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M3 at F/7

Contains: M 3, NGC 5272

Technical card

Resolution: 3236x2432

Frames: 125x180"

Integration: 6.2 hours job: 1686647

RA center: 205.476 degrees

DEC center: 28.283 degrees

Pixel scale: 1.297 arcsec/pixel

Orientation: 3.301 degrees

Field radius: 0.729 degrees

Locations: Backyard pier, Celina, Texas, United States


April is a good globular time.. This was 7 hours on M3 with the SW120 Esprit and the supplied field flattener. Plate solve to be F/7.2. Crisp to corners. I'm not so good at processing globulars judging from the ones I see here :-).



Ron Crouch

Sky plot

Sky plot


M3 at F/7, Ron Crouch