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Jeremy Perez
Carpal Tunnel
Reged: 08/12/04
Posts: 1677
Loc: Flagstaff, Arizona, USA
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Re: Wading Through Some Summer Planetaries
07/31/08 05:33 PM Attachment (20 downloads)
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NGC 6210
I had been working on a sketch of M16 at Anderson Mesa one night last month, but increasing clouds to the south made it impossible to continue. So I took a break and decided to look for something in a part of the sky not dancing with clouds. Hercules was in decent position, so I scanned my SkyAtlas 2000.0 for something in the vicinity and picked out this beautiful planetary nebula.
It showed up as a non-stellar, blue-green object at 37X and took magnification well. I really could have used more power than 240X. It held on to its blue-green color at high power, and appeared to have a faint outer halo surrounding an irregular inner core. These irregularities gave this nebula the appearance of a rectangle with rounded corners or nodules. These corners appeared at the 1:00, 5:00, 7:00 and 10:30 positions as seen in the eyepiece. The core was not stellar, but slightly brighter.
The full report and larger sketch can be found here: NGC 6210
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