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Contains:  M 13, Great Cluster in Hercules, NGC 6205
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Hercules Cluster M13, 


Hercules Cluster M13

Hercules Cluster M13

Technical card

Resolution: 2096x1501

Dates:July 25, 2013

Frames: 16x120"

Integration: 0.5 hours

Avg. Moon age: 17.87 days

Avg. Moon phase: 89.47% job: 143297

RA center: 250.433 degrees

DEC center: 36.401 degrees

Pixel scale: 0.955 arcsec/pixel

Orientation: -98.340 degrees

Field radius: 0.342 degrees

Locations: Gun Valley Observatory, Gun Lake, Michigan, United States


A quasi-First Light image after receiving the Orion MMAG Magnification Mini Guider. I attached the guider to my C80ED and wanted to see how well the set up would work while imaging at 2000mm F/10 on the SC-8. There was quite a bit of error, about 2-3 pixels worth at 120 second, and around 4 at 480 seconds. So this is really just a learning experience overall, but I'm thrilled with the results I'm getting. Having gone years without guiding, I'm quite happy to see what I'm able to accomplish today!



License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


Hercules Cluster M13,