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Contains:  NGC 2903, NGC 2905
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NGC2903, 



    
        

            Rich
NGC2903
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NGC2903

Technical card


Dates:Feb. 29, 2020

Frames:
Optolong B 36mm B: 8x180" -40C bin 2x2
Optolong G 36mm G: 8x180" -40C bin 2x2
Optolong H-Alpha 7nm 36mm Ha: 8x480" -40C bin 2x2
Optolong L 36mm L: 10x90" -40C bin 2x2
Optolong 36mm Red: 8x180" -40C bin 2x2

Integration: 2.5 hours

Flats: ~10

Avg. Moon age: 5.24 days

Avg. Moon phase: 27.99%


Basic astrometry details

Astrometry.net job: 3289781

RA center: 9h 32' 11"

DEC center: +21° 30' 32"

Pixel scale: 0.778 arcsec/pixel

Orientation: 90.449 degrees

Field radius: 0.398 degrees


Resolution: 3006x2130

Locations: back yard, Gales Ferry, CT, United States

Data source: Backyard

Description

Galaxy NGC2903. A target of opportunity while waiting for the Leo Triplet to clear the trees. Cropped as much as I dared, was not set up for a small object. Seeing was marginal

Comments

Author

rmannix57
Rich
License: None (All rights reserved)
390
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NGC2903, 



    
        

            Rich