Difference between revisions of "January 19, 2013"
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=Seaing Into Humboldtianum= | =Seaing Into Humboldtianum= | ||
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| − | <em>image by [mailto:jocelyn.serot@free.fr Jocelyn Serot], France</em><br /> | + | <em>image by [mailto:jocelyn.serot@free.fr" rel="nofollow Jocelyn Serot], France</em><br /> |
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You were mentioning yesterday that few lunar images were submitted these days.<br /> | You were mentioning yesterday that few lunar images were submitted these days.<br /> | ||
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Unfortunately, I could not find the name of the buried crater in M. Humboldtianum in the <em>21st Century Atlas</em>.. nor in the <em>VMA</em>. Is it named ?<br /> | Unfortunately, I could not find the name of the buried crater in M. Humboldtianum in the <em>21st Century Atlas</em>.. nor in the <em>VMA</em>. Is it named ?<br /> | ||
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| − | <em>[mailto:jocelyn.serot@free.fr Jocelyn Serot]</em><br /> | + | <em>[mailto:jocelyn.serot@free.fr" rel="nofollow Jocelyn Serot]</em><br /> |
| − | <strong>Note from CAW:</strong>Thanks, Jocelyn for a hard-won image! The authoritative source for nomenclature is the IAU [http://planetarynames.wr.usgs.gov/Page/MOON/target Gazetteer of Planetary Nomenclature], and looking at chart [http://planetarynames.wr.usgs.gov/images/Lunar/lac_15_lo.pdf 15] shows that <em>VMA</em> and the <em>21st Century Atlas</em> are correct - the crater has no designation.<br /> | + | <strong>Note from CAW:</strong>Thanks, Jocelyn for a hard-won image! The authoritative source for nomenclature is the IAU [http://planetarynames.wr.usgs.gov/Page/MOON/target" rel="nofollow Gazetteer of Planetary Nomenclature], and looking at chart [http://planetarynames.wr.usgs.gov/images/Lunar/lac_15_lo.pdf" rel="nofollow 15] shows that <em>VMA</em> and the <em>21st Century Atlas</em> are correct - the crater has no designation.<br /> |
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<strong>Technical Details</strong><br /> | <strong>Technical Details</strong><br /> | ||
Revision as of 21:41, 4 January 2015
Seaing Into Humboldtianum
image by " rel="nofollow Jocelyn Serot, France
You were mentioning yesterday that few lunar images were submitted these days.
You're right; the weather conditions have been awful for these past weeks.
The rare clear nights are spoiled by a very bad seeing.
It's a pity because the waxing Moon is very high at this period of the year in the evening sky.
And the nights are long - if cold.
Who said astronomy is a school for patience?
Attached is an image that i've managed to take on Dec 28, 2012.
I had to select 200 images out of 5000 and resort to IR-pass filter to get a decent image on this evening. And even with this, most of my AVIs ended up in the trash.
Anyway, this is a kind of view i specially appreciate, with grazing light on the extreme limb..
Unfortunately, I could not find the name of the buried crater in M. Humboldtianum in the 21st Century Atlas.. nor in the VMA. Is it named ?
" rel="nofollow Jocelyn Serot
Note from CAW:Thanks, Jocelyn for a hard-won image! The authoritative source for nomenclature is the IAU " rel="nofollow Gazetteer of Planetary Nomenclature, and looking at chart " rel="nofollow 15 shows that VMA and the 21st Century Atlas are correct - the crater has no designation.
Technical Details
2012-12-28, 23h48 UT, 12" Dall-Kirkham refl at prime focus (F=5m), IR-742 filter, DMK31 cam, 200 frames stacked. Processing : Autostakkert2 + Registax6. 75%
Related Links
Rükl plate 7
21st Century Atlas charts 9, B1 & L1.
