M81 and M82 William Optics FLT 132 (John Noble)

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

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M81 and M82 William Optics FLT 132

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M81 and M82 William Optics FLT 132

I can't tell you how many hours I've spent on this data set but it's a lot! I've struggled with gradients odd red hues dust donuts etc etc. Anyway I kept at it and with the magic of PixInsight I think I finally cracked it. The keys to me were DBE, PCC, Noise Exterminator and then BlurExterminator.

I rolled two data sets into this one from my backyard with the FLT132 and FLT 91 and a second from a Bortle 4 site with the FLT 91 and ZS 61. I used the latter to enhance the RGB. I used Bill Blansham's utility to merge Ha with both the Luminance and RGB then averaged the two sets of color data.

Bortle 7 Back Yard FLT 132 and ASI 2600 MM Pro

LUM FLT 132 24 by 5 mins (2 hours)
RGB FLT 132 ASI 2600 MM Pro 12 by 600 s each (6 hours)
Ha FLT 132 ASI 2600 MM Pro 56 by 600 s (9 hours 20 mins)

Bortle 4 RGB Z 61 and ASI 2600 MM Pro

Z61 each 10 by 300 s (2 hrs 30 mins)

Total ~ 20 hrs

Suburban Astrophotography
Multiscope Setup
ZWO ASI2600MM Pro
ZWO ASIAIR PRO USERS

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
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.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
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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Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	6820784
PixInsight job	5FLR5PXXS2RFL48IT7ND2DJG7YHVF9HS
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h55m29s.60
RA (top/left)	09h52m09s.87
RA (top/right)	09h51m28s.61
RA (bottom/right)	09h58m38s.91
RA (bottom/left)	09h59m39s.94

Dec (center)	+69°21′10″.4
Dec (top/left)	+69°51′35″.7
Dec (top/right)	+68°53′28″.2
Dec (bottom/right)	+68°50′30″.10
Dec (bottom/left)	+69°48′31″.5

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M81 and M82 William Optics FLT 132

M81 and M82 William Optics FLT 132

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M81 and M82 William Optics FLT 132

M81 and M82 William Optics FLT 132

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