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Mel Helm | all galleries >> Images From SRO-1 by Mel Helm > M 71
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M 71

M 71

OBJECT: M 71 (Globular Cluster)
DATE(S): August, 2011
OPTICS: Dream 16 Corrected Newtonian @F3.75
MOUNT: Chronos HD32 HPO
CAMERA: QSI 583-WSG
GUIDING: Starlight Xpress LodeStar
FIELD SCALE: 0.74 arc seconds per pixel
CHIP TEMP: -20 C
FILTER(S): AstroDon Generation II, LRGB
LOCATION: Sierra Remote Observatories, Shaver Lake, CA, 4,610 feet
EXPOSURES: Red (10 min X 7), Green (10 min X 7), Blue (10 min X 7)
BINNING: 1 X 1
CAMERA CONTROL: ACP
PROCESSING: CCDStack, PhotoShop CS5


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