Hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  Great Cluster in Hercules  ·  M 13  ·  NGC 6205
Hercules Cluster M13, 


Hercules Cluster M13
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Hercules Cluster M13

Technical card

Imaging telescopes or lenses: Meade LXD55 SC8

Imaging cameras: Canon EOS 500D / Digital Rebel T1i

Mounts: CGEM

Guiding telescopes or lenses: Celestron C80ED

Guiding cameras: Orion Star Shoot autoguider (SSAG)

Software: photoshop  ·  Cart du Ciel Cartes du Ciel

Filters: Astronomik EOS Clip CLS-CCD

Dates:July 25, 2013

Frames: 16x120" (32')

Integration: 32'

Avg. Moon age: 17.87 days

Avg. Moon phase: 89.47%

Basic astrometry details

Astrometry.net job: 143297

RA center: 16h41m43s.9

DEC center: +36°2403

Pixel scale: 0.955 arcsec/pixel

Orientation: -98.340 degrees

Field radius: 0.342 degrees

Resolution: 620x444

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!


Sky plot

Sky plot


Hercules Cluster M13,