M 81 - Bode's Galaxy (Nicla.Camerin_Maurizio.Camerin)

M 81 - Bode's Galaxy

Taking up the work of M 81 and M 82 I decided to try the possibility of processing it again from the beginning with the hope of getting more details of both galaxies and a bit of the IF. The base frame stars was done stacking in 2 drizzle DSS and Siril and integrated both results.

Same was done with the stacks in 2 drizzle from Enhance, Extreme and Triad Ultra filters but this time I selected the best frames, that presented lower FWHM, better sky and roundness stars. From Siril was used the Photometric Color Calibration, Background extraction, the HT and GHT. It help a lot the fine tuning from GHT.

In Ps was done several steps in Cam Raw working the starless version done from Star Exterminator and StarNet V2 after cropped the image in reasonable way. I found both programs did not do a good job in the fullframe 2 drizzle image so doing a first half crop, worked as intended.

Looking the final result after so many tests, I am not satisfied with the result obtained. I hope to retake it with new data in other opportunity. A final crop was done for framed the galaxy in this position and scaled to 150%.

The acquisitions were made in March, April and November 2021 and January 2022.

Total integration: 42h 26′ 10″

Filters:    L-Pro 21h1' 1121 frames
          Enhance 2h38'   34 frames
          Extreme 13h56' 160 frames
      Triad Ultra 3h15'   40 frames

This was reprocess November 2022

Many thanks for visit us and we hope you enjoy the work.

Reprocess December 2022

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Status	Advanced success
Started	...
Astrometry.net job	6597348
PixInsight job	ZAJBPTBCP3CY9AZ8NNIG39ZY5S2SMAPN
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h55m31s.36
RA (top/left)	10h00m03s.31
RA (top/right)	09h55m48s.97
RA (bottom/right)	09h50m57s.56
RA (bottom/left)	09h55m15s.50

Dec (center)	+69°04′06″.9
Dec (top/left)	+68°56′15″.2
Dec (top/right)	+69°29′38″.8
Dec (bottom/right)	+69°11′31″.3
Dec (bottom/left)	+68°38′39″.2

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M 81 - Bode's Galaxy

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