M101 Pinwheel Galaxy (HaL)(RHa)GB- 3 years of improvements? (Pam Whitfield)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: HD122471 · HD122865 · M 101 · NGC 5447 · NGC 5449 · NGC 5450 · NGC 5451 · NGC 5453 · NGC 5455 · NGC 5457 · NGC 5461 · NGC 5462 · NGC 5471 · NGC 5473 · NGC 5474 · NGC 5477 · Pinwheel galaxy

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M101 Pinwheel Galaxy (HaL)(RHa)GB- 3 years of improvements?

Revision title: plus an additional 18 months to improve my processing.....

Powered byPixInsight

M101 Pinwheel Galaxy (HaL)(RHa)GB- 3 years of improvements?

Revision title: plus an additional 18 months to improve my processing.....

It's 3 years since I did this one at a lower latitude so took a different approach this time. This one is all about detail rather than my previous effort (was my laptop screen really that bad? :-D). The Ha data wasn't great largely due to sky conditions so its contribution was dialed back a bit. I also resisted the temptation to push the colour saturation to stratospheric levels!

The rebuilt mount gives much better performance and consistency so discarded subs were down to cloud / Elon Musk (or his ilk). However current circumstances mean it took quite a few nights to accumulate this much data but needs must....

It could probably do with a night with good transparency for better Ha data to finish it off but I doubt I'll get it before I hang up my CCD for the summer. The integration was drizzled so I could crop in closer but I think I prefer the framing like this.

Original
Final
B

B

Title: plus an additional 18 months to improve my processing.....

Description: L(HaR)GB for this one. Standard local normalization as opposed to NSG.

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Yorkshire Astro Imaging

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Status	Advanced success
Started	...
Astrometry.net job	6618859
PixInsight job	01B6TDZZYJHZU4BJ9FY3K81218NLG7ZN
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	14h03m10s.31
RA (top/left)	13h59m27s.63
RA (top/right)	13h59m43s.32
RA (bottom/right)	14h06m46s.79
RA (bottom/left)	14h06m44s.61

Dec (center)	+54°16′44″.3
Dec (top/left)	+54°56′45″.1
Dec (top/right)	+53°35′15″.4
Dec (bottom/right)	+53°36′22″.1
Dec (bottom/left)	+54°57′50″.1

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M101 Pinwheel Galaxy (HaL)(RHa)GB- 3 years of improvements?

Revision title: plus an additional 18 months to improve my processing.....

M101 Pinwheel Galaxy (HaL)(RHa)GB- 3 years of improvements?

Revision title: plus an additional 18 months to improve my processing.....

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M101 Pinwheel Galaxy (HaL)(RHa)GB- 3 years of improvements?

Revision title: plus an additional 18 months to improve my processing.....

M101 Pinwheel Galaxy (HaL)(RHa)GB- 3 years of improvements?

Revision title: plus an additional 18 months to improve my processing.....

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