Messier 109 - A Barred Spiral Galaxy (Tyrel Smith)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: M 109 · NGC 3992 · PGC 2431149 · PGC 2436214 · PGC 2437949 · PGC 2438633 · PGC 2438683 · PGC 2447196 · PGC 2832093 · PGC 2832094 · PGC 2832095 · PGC 2832098 · PGC 37621 · PGC 37700 · V0486 UMa

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Messier 109 - A Barred Spiral Galaxy

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Messier 109 - A Barred Spiral Galaxy

I didn't know until after I shot this, but M109 is the most distant of the Messier objects, and one of the most dim as well at mag 9.8. It lies in Ursa Major, and the nearby Phecda at mag 2.4 caused some major headaches. In the original stacks you can see a massive star spike and flare coming from this star off frame. Most noticeable in the blue and green channels. It took lots of work to clear that our. I'll post some before and after in the revisions.

Revision D shows the original master luminance with the star spike and flare.

Revision E shows the repaired master using StarXterminator and Photoshop healing brush.

Would love to have tons of time on this galaxy to see if I could pull some structure out of the core. Alas, I'm in collector mode and itching to move on to the next target.

Here is a cool Hubble image of the core from nasa.gov.

Final
Original
D
E

D

Title: Original Lum

Description: Shows the star spike and flare from Phecda.

Uploaded: ...

E

Title: Repaired Master Luminance

Description: Removed stars from image with StarXterminator and repaired the spike and flare using healing tool in PS.

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	5501491
PixInsight job	S5QD92KHJ4VNVB63E12EG91TCQE3C4WJ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	11h57m35s.443
RA (top/left)	12h00m01s.180
RA (top/right)	11h57m05s.469
RA (bottom/right)	11h55m09s.302
RA (bottom/left)	11h58m04s.832

Dec (center)	+53°22′18″.12
Dec (top/left)	+53°17′36″.33
Dec (top/right)	+53°44′05″.56
Dec (bottom/right)	+53°26′48″.14
Dec (bottom/left)	+53°00′29″.73

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Messier 109 - A Barred Spiral Galaxy

Messier 109 - A Barred Spiral Galaxy

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Messier 109 - A Barred Spiral Galaxy

Messier 109 - A Barred Spiral Galaxy

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