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Contains:  NGC 3077, M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031
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M81 M82 NGC3077, 


            Stan Smith
M81 M82 NGC3077

M81 M82 NGC3077

Technical card

Resolution: 2616x1986

Dates:April 16, 2019

Optolong Blue 1.25": 20x30" -10C bin 1x1
Optolong Green 1.25": 20x30" -10C
Optolong Lum 1.25": 20x20" -10C bin 1x1
Optolong Red 1.25": 20x30" -10C bin 1x1

Integration: 0.6 hours

Flats: ~25

Avg. Moon age: 11.45 days

Avg. Moon phase: 88.06%

Bortle Dark-Sky Scale: 4.00 job: 2647971

RA center: 149.678 degrees

DEC center: 69.222 degrees

Pixel scale: 1.682 arcsec/pixel

Orientation: 341.778 degrees

Field radius: 0.768 degrees

Locations: Home, Westminster, SC, United States

Data source: Backyard


First image with the Atik 460ex and under a full moon unfortunately. I will replace this with a better one when the moon is not a factor. Very pleased with the Atik camera.



Stan Smith
License: None (All rights reserved)

Sky plot

Sky plot


M81 M82 NGC3077, 


            Stan Smith