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  <title>Album galaxy fields from Ko Hummel</title>
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    <title>Album galaxy fields from Ko Hummel</title>
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  <pubDate>Sat, 19 Sep 2026 02:09:35 +0000</pubDate>
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    <title>Galaxies in Virgo cluster</title>
    <link>https://www.ipernity.com/doc/kohummel/51857552/in/album/1299462</link>
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    <pubDate>Sat, 15 Apr 2023 07:55:59 +0000</pubDate>
    <dc:date.created>2023-04-14T10:01:13+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/51857552/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/75/52/51857552.f7501013.240.jpg?r2" width="240" height="160" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;&lt;/div&gt;</description>
    <media:title>Galaxies in Virgo cluster</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/51857552/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/75/52/51857552.f7501013.240.jpg?r2" width="240" height="160" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;&lt;/div&gt;</media:text>
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    <media:credit role="author">Ko Hummel</media:credit>
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    <title>The Markarian Chain of galaxies</title>
    <link>https://www.ipernity.com/doc/kohummel/51857328/in/album/1299462</link>
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    <pubDate>Fri, 14 Apr 2023 21:03:02 +0000</pubDate>
    <dc:date.created>2023-04-14T07:38:16+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/51857328/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/73/28/51857328.3a876021.240.jpg?r2" width="240" height="160" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;in the Virgo vluster of glaxies. (https://de.wikipedia.org/wiki/Virgo-Galaxienhaufen)&lt;br /&gt;
&lt;br /&gt;
Canon 700D attached to Techsky refractor f=360 mm. T=50x30sec, ISO 3200&lt;/div&gt;</description>
    <media:title>The Markarian Chain of galaxies</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/51857328/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/73/28/51857328.3a876021.240.jpg?r2" width="240" height="160" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;in the Virgo vluster of glaxies. (https://de.wikipedia.org/wiki/Virgo-Galaxienhaufen)&lt;br /&gt;
&lt;br /&gt;
Canon 700D attached to Techsky refractor f=360 mm. T=50x30sec, ISO 3200&lt;/div&gt;</media:text>
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    <media:credit role="author">Ko Hummel</media:credit>
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    <title>N 6946 and N 6939</title>
    <link>https://www.ipernity.com/doc/kohummel/51003192/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2021-10-05,doc-51003192</guid>
    <pubDate>Tue, 05 Oct 2021 10:35:25 +0000</pubDate>
    <dc:date.created>2021-10-05T01:34:40+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/51003192/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/31/92/51003192.03abb5fa.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Left pictures (pos and neg): Canon 700D, T=15 sec, f=85 mm, ISO 1600, f/2, 50% cropped&lt;br /&gt;
Right picture: Canon 700D attached to telescope, T=5x1 min, ISO 3200, f=750 mm f/5&lt;br /&gt;
&lt;br /&gt;
The picture is an area in the constellation Cepheus. N 6939 is an open starcluster in "our" Milkyway and is at a distance of ~3900 Ly. N 6946 is a galaxy like "our" Milkyway and is at a distance of 20 Mio Ly&lt;/div&gt;</description>
    <media:title>N 6946 and N 6939</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/51003192/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/31/92/51003192.03abb5fa.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Left pictures (pos and neg): Canon 700D, T=15 sec, f=85 mm, ISO 1600, f/2, 50% cropped&lt;br /&gt;
Right picture: Canon 700D attached to telescope, T=5x1 min, ISO 3200, f=750 mm f/5&lt;br /&gt;
&lt;br /&gt;
The picture is an area in the constellation Cepheus. N 6939 is an open starcluster in "our" Milkyway and is at a distance of ~3900 Ly. N 6946 is a galaxy like "our" Milkyway and is at a distance of 20 Mio Ly&lt;/div&gt;</media:text>
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    <media:thumbnail url="https://cdn.ipernity.com/200/31/92/51003192.03abb5fa.240.jpg?r2" width="240" height="120"/>
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    <media:credit role="author">Ko Hummel</media:credit>
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  <item>
    <title>The galaxie NGC 2903 (view on black)</title>
    <link>https://www.ipernity.com/doc/kohummel/49836108/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2020-03-31,doc-49836108</guid>
    <pubDate>Tue, 31 Mar 2020 07:31:41 +0000</pubDate>
    <dc:date.created>2020-03-22T22:50:27+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49836108/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/61/08/49836108.192056a1.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Left:  Samyang lens f=85 mm, f/2,8, ISO 800, T=50x15 sec.&lt;br /&gt;
Middle: same as left but negative to show details better&lt;br /&gt;
Right: used telescope f=750 mm D=15 cm (i.e. f/5). T=130x15 sec ISO 3200&lt;/div&gt;</description>
    <media:title>The galaxie NGC 2903 (view on black)</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49836108/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/61/08/49836108.192056a1.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Left:  Samyang lens f=85 mm, f/2,8, ISO 800, T=50x15 sec.&lt;br /&gt;
Middle: same as left but negative to show details better&lt;br /&gt;
Right: used telescope f=750 mm D=15 cm (i.e. f/5). T=130x15 sec ISO 3200&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/61/08/49836108.227d9bf3.1024.jpg?r2" type="image/jpeg" width="1024" height="512" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/61/08/49836108.192056a1.240.jpg?r2" width="240" height="120"/>
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    <media:credit role="author">Ko Hummel</media:credit>
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    <title>The galaxy NGC 2683 (view on black)</title>
    <link>https://www.ipernity.com/doc/kohummel/49826046/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2020-03-27,doc-49826046</guid>
    <pubDate>Fri, 27 Mar 2020 09:27:08 +0000</pubDate>
    <dc:date.created>2020-03-23T06:39:56+01:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49826046/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/60/46/49826046.d8fa1536.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Left:  Samyang lens f=85 mm, f/2,8, ISO 800, T=50x15 sec.&lt;br /&gt;
Middle: same as left but negative to show details better&lt;br /&gt;
Right: used telescope f=750 mm D=15 cm (i.e. f/5). T=130x15 sec ISO 3200&lt;/div&gt;</description>
    <media:title>The galaxy NGC 2683 (view on black)</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49826046/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/60/46/49826046.d8fa1536.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Left:  Samyang lens f=85 mm, f/2,8, ISO 800, T=50x15 sec.&lt;br /&gt;
Middle: same as left but negative to show details better&lt;br /&gt;
Right: used telescope f=750 mm D=15 cm (i.e. f/5). T=130x15 sec ISO 3200&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/60/46/49826046.54003623.1024.jpg?r2" type="image/jpeg" width="1024" height="512" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/60/46/49826046.d8fa1536.240.jpg?r2" width="240" height="120"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/60/46/49826046.d8fa1536.100.jpg?r2" width="100" height="50"/>
    <media:credit role="author">Ko Hummel</media:credit>
  </item>
  <item>
    <title>Virgo cluster II: More than 1000000000000 Suns</title>
    <link>https://www.ipernity.com/doc/kohummel/44753128/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2017-05-06,doc-44753128</guid>
    <pubDate>Sat, 06 May 2017 06:32:13 +0000</pubDate>
    <dc:date.created>2017-04-26T23:27:33+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/44753128/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/31/28/44753128.b5ac4734.240.jpg?r2" width="160" height="240" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;5 exposures combined&lt;br /&gt;
&lt;br /&gt;
Marked the brightest galaxies, there are more to be seen&lt;/div&gt;</description>
    <media:title>Virgo cluster II: More than 1000000000000 Suns</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/44753128/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/31/28/44753128.b5ac4734.240.jpg?r2" width="160" height="240" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;5 exposures combined&lt;br /&gt;
&lt;br /&gt;
Marked the brightest galaxies, there are more to be seen&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/31/28/44753128.c8c48fa7.1024.jpg?r2" type="image/jpeg" width="683" height="1024" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/31/28/44753128.b5ac4734.240.jpg?r2" width="160" height="240"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/31/28/44753128.b5ac4734.100.jpg?r2" width="67" height="100"/>
    <media:credit role="author">Ko Hummel</media:credit>
  </item>
  <item>
    <title>Virgo cluster I negativ</title>
    <link>https://www.ipernity.com/doc/kohummel/44744816/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2017-05-04,doc-44744816</guid>
    <pubDate>Thu, 04 May 2017 17:29:14 +0000</pubDate>
    <dc:date.created>2017-04-27T00:28:26+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/44744816/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/48/16/44744816.e0f9490d.240.jpg?r2" width="160" height="240" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Auf dem Negativ erkennt man die schwache ausgedehnte Galaxien besser als auf dem Positiv&lt;/div&gt;</description>
    <media:title>Virgo cluster I negativ</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/44744816/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/48/16/44744816.e0f9490d.240.jpg?r2" width="160" height="240" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Auf dem Negativ erkennt man die schwache ausgedehnte Galaxien besser als auf dem Positiv&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/48/16/44744816.63e50349.1024.jpg?r2" type="image/jpeg" width="683" height="1024" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/48/16/44744816.e0f9490d.240.jpg?r2" width="160" height="240"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/48/16/44744816.e0f9490d.100.jpg?r2" width="67" height="100"/>
    <media:credit role="author">Ko Hummel</media:credit>
  </item>
  <item>
    <title>Virgo cluster I (view on black)</title>
    <link>https://www.ipernity.com/doc/kohummel/44742256/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2017-05-04,doc-44742256</guid>
    <pubDate>Thu, 04 May 2017 08:39:19 +0000</pubDate>
    <dc:date.created>2017-04-27T00:28:26+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/44742256/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/22/56/44742256.fb9f1214.240.jpg?r2" width="160" height="240" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Find the seven galaxies.&lt;br /&gt;
&lt;br /&gt;
Combined 5 exposures&lt;/div&gt;</description>
    <media:title>Virgo cluster I (view on black)</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/44742256/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/22/56/44742256.fb9f1214.240.jpg?r2" width="160" height="240" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Find the seven galaxies.&lt;br /&gt;
&lt;br /&gt;
Combined 5 exposures&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/22/56/44742256.f31ab947.1024.jpg?r2" type="image/jpeg" width="683" height="1024" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/22/56/44742256.fb9f1214.240.jpg?r2" width="160" height="240"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/22/56/44742256.fb9f1214.100.jpg?r2" width="67" height="100"/>
    <media:credit role="author">Ko Hummel</media:credit>
  </item>
  <item>
    <title>Leo group</title>
    <link>https://www.ipernity.com/doc/kohummel/49875812/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2020-04-17,doc-49875812</guid>
    <pubDate>Fri, 17 Apr 2020 11:16:53 +0000</pubDate>
    <dc:date.created>2020-03-23T08:15:12+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49875812/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/58/12/49875812.4199a8ad.240.jpg?r2" width="240" height="180" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;The Leo group is a group of galaxies in the constellation Leo.&lt;br /&gt;
&lt;br /&gt;
Left:  Samyang lens f=85 mm, f/2,8, ISO 800, T=50x15 sec. An area of 10x15 degrees&lt;br /&gt;
Middle: same as left but negative to show details better.Ten galaxies of the Leo group are indicated. Inset cropped picture to show the better known galaxies better.&lt;br /&gt;
PiP: used telescope f=750 mm D=15 cm (i.e. f/5). T=130x15 sec ISO 3200&lt;/div&gt;</description>
    <media:title>Leo group</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49875812/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/58/12/49875812.4199a8ad.240.jpg?r2" width="240" height="180" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;The Leo group is a group of galaxies in the constellation Leo.&lt;br /&gt;
&lt;br /&gt;
Left:  Samyang lens f=85 mm, f/2,8, ISO 800, T=50x15 sec. An area of 10x15 degrees&lt;br /&gt;
Middle: same as left but negative to show details better.Ten galaxies of the Leo group are indicated. Inset cropped picture to show the better known galaxies better.&lt;br /&gt;
PiP: used telescope f=750 mm D=15 cm (i.e. f/5). T=130x15 sec ISO 3200&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/58/12/49875812.87609403.1024.jpg?r2" type="image/jpeg" width="1024" height="768" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/58/12/49875812.4199a8ad.240.jpg?r2" width="240" height="180"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/58/12/49875812.4199a8ad.100.jpg?r2" width="100" height="75"/>
    <media:credit role="author">Ko Hummel</media:credit>
  </item>
  <item>
    <title>Leo Triplet</title>
    <link>https://www.ipernity.com/doc/kohummel/49879694/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2020-04-18,doc-49879694</guid>
    <pubDate>Sat, 18 Apr 2020 16:51:51 +0000</pubDate>
    <dc:date.created>2020-04-12T14:21:26+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49879694/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/96/94/49879694.7947eed7.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;The Leo Triplet are three well known galaxies in the constellation Leo.&lt;br /&gt;
&lt;br /&gt;
Left:  Samyang lens f=85 mm, f/2,8, ISO 800, T=50x15 sec. An area of 10x15 degrees&lt;br /&gt;
&lt;br /&gt;
Middle: same as left but negative to show details better.. &lt;br /&gt;
&lt;br /&gt;
Right a  cropped picture to show the galaxies better.&lt;br /&gt;
&lt;br /&gt;
PiP: used telescope f=750 mm D=15 cm (i.e. f/5). T=40x30 sec ISO 3200&lt;/div&gt;</description>
    <media:title>Leo Triplet</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49879694/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/96/94/49879694.7947eed7.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;The Leo Triplet are three well known galaxies in the constellation Leo.&lt;br /&gt;
&lt;br /&gt;
Left:  Samyang lens f=85 mm, f/2,8, ISO 800, T=50x15 sec. An area of 10x15 degrees&lt;br /&gt;
&lt;br /&gt;
Middle: same as left but negative to show details better.. &lt;br /&gt;
&lt;br /&gt;
Right a  cropped picture to show the galaxies better.&lt;br /&gt;
&lt;br /&gt;
PiP: used telescope f=750 mm D=15 cm (i.e. f/5). T=40x30 sec ISO 3200&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/96/94/49879694.c0ced2b9.1024.jpg?r2" type="image/jpeg" width="1024" height="512" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/96/94/49879694.7947eed7.240.jpg?r2" width="240" height="120"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/96/94/49879694.7947eed7.100.jpg?r2" width="100" height="50"/>
    <media:credit role="author">Ko Hummel</media:credit>
  </item>
  <item>
    <title>Virgocluster impressions</title>
    <link>https://www.ipernity.com/doc/kohummel/49919988/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2020-05-04,doc-49919988</guid>
    <pubDate>Mon, 04 May 2020 17:43:05 +0000</pubDate>
    <dc:date.created>2020-04-26T15:59:07+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49919988/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/99/88/49919988.a9c8a116.240.jpg?r2" width="240" height="216" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Pictures made with Canon 700D in prime focus of d=15 cm and f=750 mm Newton reflector. &lt;br /&gt;
&lt;br /&gt;
The Virgo cluster contains about 5000 galaxies, each galaxy contains more than 1000000000 stars&lt;/div&gt;</description>
    <media:title>Virgocluster impressions</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49919988/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/99/88/49919988.a9c8a116.240.jpg?r2" width="240" height="216" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Pictures made with Canon 700D in prime focus of d=15 cm and f=750 mm Newton reflector. &lt;br /&gt;
&lt;br /&gt;
The Virgo cluster contains about 5000 galaxies, each galaxy contains more than 1000000000 stars&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/99/88/49919988.d4c9c554.1024.jpg?r2" type="image/jpeg" width="1024" height="919" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/99/88/49919988.a9c8a116.240.jpg?r2" width="240" height="216"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/99/88/49919988.a9c8a116.100.jpg?r2" width="100" height="90"/>
    <media:credit role="author">Ko Hummel</media:credit>
  </item>
  <item>
    <title>Virgo cluster</title>
    <link>https://www.ipernity.com/doc/kohummel/49907974/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2020-04-30,doc-49907974</guid>
    <pubDate>Thu, 30 Apr 2020 09:08:37 +0000</pubDate>
    <dc:date.created>2020-04-28T07:25:00+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49907974/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/79/74/49907974.fc1978eb.240.jpg?r2" width="240" height="114" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Lucky to have in April more than a week clear skies. Time for the Virgo cluster. This galaxy cluster contains more than 5000 galaxies. It hosts a number of "famous" galaxies, a.o, M87 the jet and black hole elliptical galaxy&lt;br /&gt;
&lt;br /&gt;
To the left: 10 x 15 degree area centered on the Virgo cluster&lt;br /&gt;
In the middle: a negative rendition of the left picture&lt;br /&gt;
Top right: a cropped version of the picture on the left&lt;br /&gt;
Lower right: a telescopic picture of the centre of the Virgocluster&lt;/div&gt;</description>
    <media:title>Virgo cluster</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/49907974/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/79/74/49907974.fc1978eb.240.jpg?r2" width="240" height="114" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Lucky to have in April more than a week clear skies. Time for the Virgo cluster. This galaxy cluster contains more than 5000 galaxies. It hosts a number of "famous" galaxies, a.o, M87 the jet and black hole elliptical galaxy&lt;br /&gt;
&lt;br /&gt;
To the left: 10 x 15 degree area centered on the Virgo cluster&lt;br /&gt;
In the middle: a negative rendition of the left picture&lt;br /&gt;
Top right: a cropped version of the picture on the left&lt;br /&gt;
Lower right: a telescopic picture of the centre of the Virgocluster&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/79/74/49907974.99e0eb13.1024.jpg?r2" type="image/jpeg" width="1024" height="483" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/79/74/49907974.fc1978eb.240.jpg?r2" width="240" height="114"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/79/74/49907974.fc1978eb.100.jpg?r2" width="100" height="48"/>
    <media:credit role="author">Ko Hummel</media:credit>
  </item>
  <item>
    <title>Galaxies in Ursa Major (view on black)</title>
    <link>https://www.ipernity.com/doc/kohummel/50048456/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2020-06-18,doc-50048456</guid>
    <pubDate>Thu, 18 Jun 2020 08:54:09 +0000</pubDate>
    <dc:date.created>2020-05-29T08:14:10+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/50048456/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/84/56/50048456.865a2141.240.jpg?r2" width="240" height="180" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Left:  Samyang lens f=85 mm, f/2,8, ISO 1600, T=50x15 sec. An area of 10x15 degrees&lt;br /&gt;
Right: same as left but negative to show details better. A large number of galaxies (not all) have been indicated by a red bar&lt;/div&gt;</description>
    <media:title>Galaxies in Ursa Major (view on black)</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/50048456/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/84/56/50048456.865a2141.240.jpg?r2" width="240" height="180" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Left:  Samyang lens f=85 mm, f/2,8, ISO 1600, T=50x15 sec. An area of 10x15 degrees&lt;br /&gt;
Right: same as left but negative to show details better. A large number of galaxies (not all) have been indicated by a red bar&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/84/56/50048456.71a9d7ea.1024.jpg?r2" type="image/jpeg" width="1024" height="768" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/84/56/50048456.865a2141.240.jpg?r2" width="240" height="180"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/84/56/50048456.865a2141.100.jpg?r2" width="100" height="75"/>
    <media:credit role="author">Ko Hummel</media:credit>
  </item>
  <item>
    <title>M51 field</title>
    <link>https://www.ipernity.com/doc/kohummel/50770876/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2021-05-18,doc-50770876</guid>
    <pubDate>Tue, 18 May 2021 15:06:21 +0000</pubDate>
    <dc:date.created>2021-05-15T12:27:43+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/50770876/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/08/76/50770876.600c8d3d.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Alkahid is a bright star in Ursa Major&lt;br /&gt;
&lt;br /&gt;
Left:  Samyang lens f=85 mm, f/2,0, ISO 1600, T=25x15 sec.&lt;br /&gt;
Middle: same as left but negative to show details better&lt;br /&gt;
Right: used telescope f=750 mm D=15 cm (i.e. f/5). T= 50x8 sec ISO 3200&lt;/div&gt;</description>
    <media:title>M51 field</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/50770876/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/08/76/50770876.600c8d3d.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Alkahid is a bright star in Ursa Major&lt;br /&gt;
&lt;br /&gt;
Left:  Samyang lens f=85 mm, f/2,0, ISO 1600, T=25x15 sec.&lt;br /&gt;
Middle: same as left but negative to show details better&lt;br /&gt;
Right: used telescope f=750 mm D=15 cm (i.e. f/5). T= 50x8 sec ISO 3200&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/08/76/50770876.7ab2faf1.1024.jpg?r2" type="image/jpeg" width="1024" height="512" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/08/76/50770876.600c8d3d.240.jpg?r2" width="240" height="120"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/08/76/50770876.600c8d3d.100.jpg?r2" width="100" height="50"/>
    <media:credit role="author">Ko Hummel</media:credit>
  </item>
  <item>
    <title>NGC 5907, a galaxy seen edge-on</title>
    <link>https://www.ipernity.com/doc/kohummel/50796910/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2021-06-02,doc-50796910</guid>
    <pubDate>Wed, 02 Jun 2021 08:39:49 +0000</pubDate>
    <dc:date.created>2021-06-01T08:32:08+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/50796910/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/69/10/50796910.094e3f03.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Left and middle a positive and negative display of whole field, taken with  Canon 700D and Samyang lens: f=85 mm, f/2.0, ISO 3200, T=50x15 sec.&lt;br /&gt;
&lt;br /&gt;
Picture on the right taken with Canon 700D attached to telescope: f=750 mm, f/5, ISO=3200, T=40x15 sec.&lt;br /&gt;
&lt;br /&gt;
Finally a nice clear sky and a possibility to find NGC 5907, an edge-on galaxy I studied ~40 years ago with the WSRT radiotelescope in the Netherlands&lt;/div&gt;</description>
    <media:title>NGC 5907, a galaxy seen edge-on</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/50796910/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/69/10/50796910.094e3f03.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;Left and middle a positive and negative display of whole field, taken with  Canon 700D and Samyang lens: f=85 mm, f/2.0, ISO 3200, T=50x15 sec.&lt;br /&gt;
&lt;br /&gt;
Picture on the right taken with Canon 700D attached to telescope: f=750 mm, f/5, ISO=3200, T=40x15 sec.&lt;br /&gt;
&lt;br /&gt;
Finally a nice clear sky and a possibility to find NGC 5907, an edge-on galaxy I studied ~40 years ago with the WSRT radiotelescope in the Netherlands&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/69/10/50796910.6ecdca41.1024.jpg?r2" type="image/jpeg" width="1024" height="512" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/69/10/50796910.094e3f03.240.jpg?r2" width="240" height="120"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/69/10/50796910.094e3f03.100.jpg?r2" width="100" height="50"/>
    <media:credit role="author">Ko Hummel</media:credit>
  </item>
  <item>
    <title>M101, a galaxy seen face-on</title>
    <link>https://www.ipernity.com/doc/kohummel/50799946/in/album/1299462</link>
    <guid isPermaLink="false">tag:ipernity.com,2021-06-04,doc-50799946</guid>
    <pubDate>Fri, 04 Jun 2021 08:45:00 +0000</pubDate>
    <dc:date.created>2021-06-01T09:05:37+02:00</dc:date.created>
    <author>nobody@ipernity.com (Ko Hummel)</author>
    <description>&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/50799946/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/99/46/50799946.c483e010.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;M 101 is a galaxy in the constellation Ursa Major (in which Alkaid is one of the brighter stars). The halo around the bright stars is due to lens errors.&lt;br /&gt;
&lt;br /&gt;
Left and middle a positive and negative display of whole field, taken with  Canon 700D and Samyang lens: f=85 mm, f/2.0, ISO 1600, T=50x15 sec.&lt;br /&gt;
&lt;br /&gt;
Picture on the right taken with Canon 700D attached to telescope: f=750 mm, f/5, ISO=3200, T=50x15 sec.&lt;/div&gt;</description>
    <media:title>M101, a galaxy seen face-on</media:title>
    <media:text type="html">&lt;p class="who"&gt;&lt;a href="https://www.ipernity.com/home/kohummel"&gt;Ko Hummel&lt;/a&gt; has posted:&lt;/p&gt;&lt;p class="preview"&gt;&lt;a href="https://www.ipernity.com/doc/kohummel/50799946/in/album/1299462"&gt;&lt;img src="https://cdn.ipernity.com/200/99/46/50799946.c483e010.240.jpg?r2" width="240" height="120" alt=""/&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="description"&gt;M 101 is a galaxy in the constellation Ursa Major (in which Alkaid is one of the brighter stars). The halo around the bright stars is due to lens errors.&lt;br /&gt;
&lt;br /&gt;
Left and middle a positive and negative display of whole field, taken with  Canon 700D and Samyang lens: f=85 mm, f/2.0, ISO 1600, T=50x15 sec.&lt;br /&gt;
&lt;br /&gt;
Picture on the right taken with Canon 700D attached to telescope: f=750 mm, f/5, ISO=3200, T=50x15 sec.&lt;/div&gt;</media:text>
    <media:content url="https://cdn.ipernity.com/200/99/46/50799946.f2c28c4d.1024.jpg?r2" type="image/jpeg" width="1024" height="512" duration="0" isDefault="true"  />
    <media:thumbnail url="https://cdn.ipernity.com/200/99/46/50799946.c483e010.240.jpg?r2" width="240" height="120"/>
    <media:thumbnail url="https://cdn.ipernity.com/200/99/46/50799946.c483e010.100.jpg?r2" width="100" height="50"/>
    <media:credit role="author">Ko Hummel</media:credit>
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