M101 PINWHEEL GALAXY (Nina1955)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: HD122007 · HD122149 · HD122471 · HD122865 · M 101 · NGC 5422 · 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 · NGC 5484 · NGC 5485 · NGC 5486 · Pinwheel galaxy

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M101 PINWHEEL GALAXY

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M101 PINWHEEL GALAXY

Took these shots on my one week travelling trip at LA PALMA island bortle2
80 subs of 300s (mixed 50 UV/IR cut 30 and L extreme filters)
My automatic focusser did not work (it asked for a upgrade but I could not do it because I had no latpop with me so I took the EAF down and shot bu use of handfocussing)
Unfortunately did not bring a Bahtinov did a trial error focussing but the focussing shifted during the capturing of the UV/IR cut subs the final stacked result was very blurry !
(and also the tracking was not good got lots egg shaped stars subs)
The other day I got the L extreme subs, they were sharp!

I processed the UV/IR cut ones and the L Extreme ones separately and removed the stars of both
I recombined the starless stacks and worked on noise remove and sharpening etc...
Then combined this starless result with the sharp stars of the L extreme stack

Finally I got this result of which I am pleased with!

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Backyard
Traveller
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Professional, scientific grade data
Mix of multiple sources
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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Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Status	Advanced success
Started	...
Astrometry.net job	7443350
PixInsight job	D8GMRV1GPRU4ULWMXP6NZ4CEHI3VRS64
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	14h02m57s.91
RA (top/left)	13h57m23s.99
RA (top/right)	14h11m14s.85
RA (bottom/right)	14h08m52s.87
RA (bottom/left)	13h54m21s.57

Dec (center)	+54°20′20″.3
Dec (top/left)	+53°05′58″.1
Dec (top/right)	+53°29′05″.3
Dec (bottom/right)	+55°33′48″.6
Dec (bottom/left)	+55°09′16″.1

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M101 PINWHEEL GALAXY

M101 PINWHEEL GALAXY

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M101 PINWHEEL GALAXY

M101 PINWHEEL GALAXY

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