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Contains:  M 31, Great Nebula in Andromeda, NGC 224, M 32, NGC 221, M 110, NGC 205
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Andromeda Galaxy (M31), 





    
        

            Dan Gallo
Andromeda Galaxy (M31)

Technical card

Resolution: 2784x4100

Dates:Sept. 1, 2019

Frames:Optolong L-Pro 2": 250x30" -15C bin 1x1

Integration: 2.1 hours

Darks: ~100

Avg. Moon age: 2.42 days

Avg. Moon phase: 6.47%

Bortle Dark-Sky Scale: 8.00

Astrometry.net job: 2899095

RA center: 10.555 degrees

DEC center: 41.238 degrees

Pixel scale: 1.544 arcsec/pixel

Orientation: 177.983 degrees

Field radius: 1.063 degrees

Locations: Home, Foster City, California, United States

Data source: Backyard

Description

I was quite surprised by how much detail I could pull out of this data from my light polluted backyard (Bortle Class 7-8). The DBE process in PixInsight really helped here!
250 light frames (30 seconds each) and 100 dark frames. No flat or bias frames were used.

Comments

Author

dgallo
Dan Gallo
License: None (All rights reserved)
2061
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Revisions

  • Andromeda Galaxy (M31), 





    
        

            Dan Gallo
    Original
  • Final
    Andromeda Galaxy (M31), 





    
        

            Dan Gallo
    B

B

De-saturated the background to make it more black.

Sky plot

Sky plot

Histogram

Andromeda Galaxy (M31), 





    
        

            Dan Gallo

In these public groups

Celestron RASA