M81+M82+IFN revisited (Georg N. Nyman)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Bode's Galaxy · Cigar Galaxy · HD85161 · HD85458 · HD85533 · HD85828 · HD86574 · M 81 · M 82 · NGC 3031 · NGC 3034 · NGC 3077

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M81+M82+IFN revisited

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M81+M82+IFN revisited

Again Messier 81 and Messier 82 - the two gravitationally connected galaxies in the constallation Ursus Major. Well known and often imaged. it is a good time now in the winter to grab this target, the nights are long and if clear, then the skies are usually very clear. I used two nights on my RASA11 with the QHY268C camera for this task. Due to high cirrus and some fog, I had to discard quite a lot of the subs, but at the end I was able to use about 8 hours of the accumulated 11 hours. Long accumulation was not possible from my garden due to my neighbours house - the temperature gradient above his roof is too strong for imaging - too much turbulences despite insulation.
The seeing war very good - both nights between 1.2 and 1.4 arsec/pix - which helped of course a lot!

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Status	Advanced success
Started	...
Astrometry.net job	8939912
PixInsight job	JDBZSC44NDLMITOVMI2P00NM3JYSX05Q
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h55m54s.36
RA (top/left)	10h03m53s.88
RA (top/right)	10h03m47s.90
RA (bottom/right)	09h48m39s.98
RA (bottom/left)	09h47m13s.10

Dec (center)	+69°20′03″.9
Dec (top/left)	+70°23′35″.4
Dec (top/right)	+68°17′31″.4
Dec (bottom/right)	+68°15′17″.4
Dec (bottom/left)	+70°21′07″.3

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M81+M82+IFN revisited

M81+M82+IFN revisited

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M81+M82+IFN revisited

M81+M82+IFN revisited

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