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Contains:  M 81, Bode's nebulae, NGC 3031
Getting plate-solving status, please wait...
M81, 





    
        

            keving
M81

M81

Technical card

Resolution: 2610x2118

Dates:Feb. 9, 2018Feb. 12, 2018Feb. 13, 2018

Frames:
Baader Planetarium B 1" 1/4: 12x300" -15C bin 1x1
Baader Planetarium G 1" 1/4: 12x300" -15C bin 1x1
Baader Planetarium L 1" 1/4: 30x300" -15C bin 1x1
Baader Planetarium R 1 1/4": 12x300" -15C bin 1x1

Integration: 5.5 hours

Darks: ~1

Flats: ~13

Bias: ~1

Avg. Moon age: 25.87 days

Avg. Moon phase: 16.12%

Astrometry.net job: 1953982

RA center: 148.871 degrees

DEC center: 69.064 degrees

Pixel scale: 0.636 arcsec/pixel

Orientation: 353.025 degrees

Field radius: 0.297 degrees

Locations: Home Observation, Sheffield, United Kingdom

Data source: Backyard

Description

An old favourite, but used to test an Astro-Physics compressor with my RC 10in

Comments

Author

keving
keving
License: None (All rights reserved)
1421
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Revisions

  • M81, 





    
        

            keving
    Original
  • Final
    M81, 





    
        

            keving
    B

Sky plot

Sky plot

Histogram

M81, 





    
        

            keving