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Contains:  NGC 2905, NGC 2903
Getting plate-solving status, please wait...

NGC 2903 Galaxy

Technical card

Imaging telescope or lens:Astro-Tech AT115EDT

Imaging camera:Canon 7D Mark II mod

Mount:Celestron CGEM II

Guiding telescope or lens:Astro-Tech 60mm Guide Scope

Guiding camera:ZWO ASI 120 MM-S

Focal reducer:Astro-Tech 2" Field Flattener


Resolution: 2400x1600

Dates:Jan. 14, 2019Jan. 20, 2020Jan. 29, 2020

62x90" ISO1600
182x120" ISO800

Integration: 7.6 hours

Darks: ~20

Flats: ~20

Bias: ~150

Avg. Moon age: 12.34 days

Avg. Moon phase: 30.21%

Bortle Dark-Sky Scale: 6.00 job: 3238366

RA center: 9h 32' 4"

DEC center: +21° 30' 32"

Pixel scale: 1.220 arcsec/pixel

Orientation: 55.702 degrees

Field radius: 0.489

Locations: The Westport Observatory (WAS), Westport, CT, United States; Paine Open Space, Easton, CT, United States

Data source: Backyard


This was one of my biggest data sets yet, and it turned out nicely with good color and detail.



Shannon Calvert
License: None (All rights reserved)

Sky plot

Sky plot


NGC 2903 Galaxy, 


            Shannon Calvert