Messier 3 (Simon)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: HD119025 · HD119081 · HD119391 · HD119686 · HD119748 · M 3 · NGC 5263 · NGC 5272

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Messier 3

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Messier 3

With an 81% illuminated moon out, I guess I was pushing my luck with taking this object - but then I was not after faint nebulosity, so the affect of the moon was less concerning. I partly imaged last night because I wanted to check the guiding. I have had the Declination graph's line shooting off at weird angles, right off the screen, in PHD, for no apparent reason - so I tightened up the axes because there was some play in them. But then there have been quite gusty winds recently, so maybe it is all to do with that - I really do not know. The scope acts like a bit of a sail in relative winds.

Up close the stars are still not as round as they were the other week and I threw away quite a few subs - either because of cloud cover or because the stars were too misshapen. I am a little stuck at the moment. We will have to see...

I took 25 subs at 4 minutes long each, using my 8" reflector and modified DSLR. I am quite pleased with it...

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Other
Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Status	Advanced success
Started	...
PixInsight job	9ROLF0Q267OTKDRGPZMHNCPRMTT63123
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	13h42m14s.67
RA (top/left)	13h44m12s.16
RA (top/right)	13h45m03s.11
RA (bottom/right)	13h40m14s.96
RA (bottom/left)	13h39m28s.00

Dec (center)	+28°21′42″.5
Dec (top/left)	+27°30′55″.4
Dec (top/right)	+29°05′09″.4
Dec (bottom/right)	+29°12′23″.9
Dec (bottom/left)	+27°38′04″.3

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