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Contains:  M 31, Great Nebula in Andromeda, NGC 224, M 32, NGC 221, M 110, NGC 205, The star νAnd, The star 32And
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M31, 





    
        

            Dave Venne
M31

M31

Technical card

Resolution: 2501x1589

Dates:Nov. 10, 2016

Frames: 58x120" ISO400

Integration: 1.9 hours

Darks: ~16

Avg. Moon age: 10.13 days

Avg. Moon phase: 77.58%

Bortle Dark-Sky Scale: 5.00

Temperature: 10.00

Astrometry.net job: 1326673

RA center: 10.609 degrees

DEC center: 41.118 degrees

Pixel scale: 8.860 arcsec/pixel

Orientation: 63.678 degrees

Field radius: 3.646 degrees

Locations: StarHome Observatory, Stacy, Minnesota, United States

Description

Mainly a test of an old lens--a 200mm Zuiko f/4 (used here at f/5.6) built for Olympus SLRs. I picked this up for $40 and added a $15 Olympus-to-Canon adapter. The above image is full frame, and scaled by 50%.

Comments

Author

davevenne
Dave Venne
License: None (All rights reserved)
1260
Like

Revisions

  • M31, 





    
        

            Dave Venne
    Original
  • Final
    M31, 





    
        

            Dave Venne
    B

B

The revision tries to correct a couple of dark areas caused by a mobile dust mote.

Sky plot

Sky plot

Histogram

M31, 





    
        

            Dave Venne