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Mel Helm | all galleries >> Galleries >> ASTROPHOTOGRAPHY > Sadr and Nebulosity in Tricolor Narrowband
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Sadr and Nebulosity in Tricolor Narrowband

OBJECT: Sadr and surrounding nebulosity

DATE(S): 08-25-09, 08-26-09, 08-29-09

OPTICS: Dream 16” Corrected Newtonian @ F3.75 with 4" corrector

MOUNT: Chronos HD32

CAMERA: FLI MicroLine 16803

GUIDING: Starlight Xpress LodeStar with MOAG/PhD Guiding software

FIELD SCALE: 1.24 arc seconds per pixel

CHIP TEMP: -20C

FILTER(S): AstroDon 50mm Square 5nm Ha, OIII, SII

LOCATION: Sierra Remote Observatories, Shaver Lake, CA, 4,610 feet

EXPOSURES: Four, 1-hour exposures for Ha, 8 30-min exposures for OIII and SII

BINNING: 1 X 1

CAMERA CONTROL: Maxim DL

PROCESSING: CCDStack, PhotoShop CS


other sizes: small medium large original auto
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