M81 Bode's Galaxy LRGB further Experimentation during Galaxy Season (Brandon Tackett)

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

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M81 Bode's Galaxy LRGB further Experimentation during Galaxy Season

Revision title: Dec 2022 Redo Edit with RC Astro Tools

Powered byPixInsight

M81 Bode's Galaxy LRGB further Experimentation during Galaxy Season

Revision title: Dec 2022 Redo Edit with RC Astro Tools

This past May I was dabbling with bin RGB channels in 2x2 binning with 1x1 Lum. Based on my set up with my 9.25 Edge, this provides better sampling. Ideally with 2"second seeing with the range of twice my set up with comes to .95" arc sec.

My attempt at M81 was my second brief galaxy project after my first with M104 .

My Dad passed away unexpectedly in late May which took a lot out of me. So I shelved it for another day. I finally got around to another day.

The data is limited and still quite noisy. I was also trying to use the ZWO OAG with varying and mostly sub-optimal success. I believe for the Lum data I gave up on the OAG and switch back to my Celestron 600 mm guide scope.

The galaxy is a grand design spiral galaxy in Ursa Major (The Bear). Approximately 12 million light years away and estimated to be 70,000 light years across. it is estimated to be250 million solar masses in size.

I tried a different affect on the final version with more blue saturation in the our spiral arms. I also purposefully kept the black point high to bring out some of the surrounding IFN (interflux nebula).

M81 is a fun galaxy to track my progress through the hobby over the last two years. I have added my first DSLR image, my first HA+DSLR, and OSC color from last year for a fun comparison.

B

Description: DSLR

Uploaded: ...

C

Description: ASI 294 OSC

Uploaded: ...

D

Description: DSLR+DSLR HA (what was I thnking)

Uploaded: ...

E

Description: Less stylized and saturated

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F

Title: Dec 2022 Redo Edit with RC Astro Tools

Description: Redo edit using Noise and Blur Xterminator

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	6811627
PixInsight job	EWFG5CVMMITTG54XFMIH66N8P7IHM3R5
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h55m33s.102
RA (top/left)	09h57m54s.195
RA (top/right)	09h53m57s.906
RA (bottom/right)	09h53m14s.908
RA (bottom/left)	09h57m05s.866

Dec (center)	+69°04′06″.67
Dec (top/left)	+69°18′13″.90
Dec (top/right)	+69°21′00″.13
Dec (bottom/right)	+68°49′50″.72
Dec (bottom/left)	+68°47′09″.24

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M81 Bode's Galaxy LRGB further Experimentation during Galaxy Season

Revision title: Dec 2022 Redo Edit with RC Astro Tools

M81 Bode's Galaxy LRGB further Experimentation during Galaxy Season

Revision title: Dec 2022 Redo Edit with RC Astro Tools

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M81 Bode's Galaxy LRGB further Experimentation during Galaxy Season

Revision title: Dec 2022 Redo Edit with RC Astro Tools

M81 Bode's Galaxy LRGB further Experimentation during Galaxy Season

Revision title: Dec 2022 Redo Edit with RC Astro Tools

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