NGC 6888 in Ha grayscale by Robert Starzynski

Robert Starzynski | all galleries >> Bob Starzynski Astro Imaging >> Nebula > NGC 6888 in Ha grayscale

NGC 6888 in Ha grayscale

Image taken on 6/18/2010 from Hillsborough NJ.
3 hours and 30 minutes total exposure time

Orion 190mm Mak-Newtonian astrograph
Celestron CGE ST-4 guided
Modified Canon XT and Astronomik 13nm Ha filter
21*600 second 800iso sub exposures
Ambient temperature 65.9/56.5
Processed in ImagesPlus and PSCS

other sizes: small medium large original auto

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