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NGC 6357 by John Ebersole
Submitted January 14, 2016 by Planewave Instruments
NGC6357 Core in HST Narrowband Palette
Planewave CDK700
Location: iTelescope, Siding Spring, Australia
CCD: FLI PLO 9000
Filters: Astrodon 6nm Ha, OIII, SII
Exposures: Ha – 100 min 1×1, OIII – 120 min 2×2, SII – 80 min 2×2