M81 (Bodes Galaxy) LHaRGB - Feb/Mar 2020 (Geof Lewis)

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

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M81 (Bodes Galaxy) LHaRGB - Feb/Mar 2020

Revision title: Neutralised background

Powered byPixInsight

M81 (Bodes Galaxy) LHaRGB - Feb/Mar 2020

Revision title: Neutralised background

Original
C
D
E
Final
G

C

Description: Reprocessed using mask to reduce blown core region

Uploaded: ...

D

Title: Complete rework of old data using PixInsight

Description: Another Galaxy plus Ha image where I previously struggled getting a good blend of Ha regions whilst retaining accurate galaxy and star colours. The new tools in PI (GraXpert, BlurXT, StarX. NoiseX, PCC, Continuum Subtraction, etc.) make it so much easier to process, rather than fight the data.

Uploaded: ...

E

Title: Reduced red

Description: My original attempt in PI looked too red, so used Histogram Transformation tool midpoint slider to lower the red channel a tad before applyng the L layer, which I also adjust a little.

Uploaded: ...

G

Title: Neutralised background

Uploaded: ...

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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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Status	Advanced success
Started	...
Astrometry.net job	9396775
PixInsight job	UT8IEH3DX4T80S2H9K1M9J4PSEMURD2S
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h55m31s.678
RA (top/left)	09h56m57s.871
RA (top/right)	09h57m16s.162
RA (bottom/right)	09h54m03s.727
RA (bottom/left)	09h53m48s.789

Dec (center)	+69°03′46″.68
Dec (top/left)	+68°51′48″.78
Dec (top/right)	+69°14′33″.67
Dec (bottom/right)	+69°15′42″.71
Dec (bottom/left)	+68°52′55″.39

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M81 (Bodes Galaxy) LHaRGB - Feb/Mar 2020

Revision title: Neutralised background

M81 (Bodes Galaxy) LHaRGB - Feb/Mar 2020

Revision title: Neutralised background

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M81 (Bodes Galaxy) LHaRGB - Feb/Mar 2020

Revision title: Neutralised background

M81 (Bodes Galaxy) LHaRGB - Feb/Mar 2020

Revision title: Neutralised background

Equipment

Acquisition details

Comments

Revisions

C

D

E

G

Sky plot

Histogram

In these collections

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