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Contains:  NGC 7640
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NGC 7640 - 8" RC, 


            Andrew Burwell
NGC 7640 - 8" RC

NGC 7640 - 8" RC

Technical card

Resolution: 4531x3223

Dates:Oct. 22, 2019

Frames: 545x120"

Integration: 18.2 hours

Avg. Moon age: 23.18 days

Avg. Moon phase: 39.09% job: 3007432

RA center: 23h 22' 5"

DEC center: +40° 50' 42"

Pixel scale: 0.692 arcsec/pixel

Orientation: 263.133 degrees

Field radius: 0.534

Locations: Home Observatory, Pearland, Texas, United States

Data source: Backyard


First light on an 8" GSO RC. Seeing was poor, and I had an average FWHM of around 5-6. But still wanted to get out and get an image over a string of 3 clear nights.



Andrew Burwell
License: None (All rights reserved)

Sky plot

Sky plot


NGC 7640 - 8" RC, 


            Andrew Burwell