M13 – Grán Cúmulo Globular en Hércules

M13, Great Globular Cluster in Hercules
M13, Great Globular Cluster in Hercules

Imaging telescopes or lenses: Orion ED80T-CF
Mounts: Celestron CG-5
Guiding telescopes or lenses: Orion Mini 50mm Guide Scope
Guiding cameras: Orion Star Shoot autoguider (SSAG)
Focal reducers: AstroTech 0.8X Reducer/Field Flattener
Software: Stark Labs Nebulosity 2, Silicon Fields StarTools 1.3, photoshop cs5
Resolution: 1245×985
Dates: Sept. 14, 2013
Locations: Miranda Observatory
Frames: 4×300″
Integration: 0.3 hours
Avg. Moon age: 8.78 days
Avg. Moon phase: 64.69%
RA center: 16:41:38.531
DEC center: +36:27:30.012
Pixel scale: 2.77 arcsec/pixel
Orientation: -88.71 degrees
Field width: 57.37 arcminutes
Field height: 45.40 arcminutes

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