Moon's giving up good librations

Oct 29

Written by:
10/29/2012 9:39 PM  RssIcon

No, no libations (though the Wisconsin Amber I had was quite tasty).  No, I figured I would pop outside for a moment and catch the just-barely-past-full Moon tonight.  Took a simple 70mm Meade refractor and - what's this?  Are those 'edge of the Moon" mare I see?  Why yes, indeed!  I spotted Mare Australe initially, then after I snapped a few (mostly bad - there are some high clouds that made the shots look poorer than I could see with my eye) pictures with my cellphone camera, I noticed I had also managed to see Mare Smythi and Mare Marginis. These are not "always seen" mare, as the Moon must be 'tilted' the correct direction for us to see it - a phenomenon known as libration.  Anyway, I thought I'd share the picture I got, bad as it is.  I added some quick labels for assistance in noticing the not-always-seen mare on the limb.  Note that left-to-right is reversed as I took the picture through a refractor with a star diagonal.

Nearly Full Moon

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The Nightlight

This blog includes what to see in the night and daytime skies, thoughts on telescopes, binoculars, and other astronomy observing accessories and equipment, plus my own occasional notes on objects I've seen and observed. Oh, and the random theater or other "my take on life" post. In other words, there is always something interesting. Check it out.