Horse Head and Flame Nebulas in Ha by Robert Starzynski

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18-DEC-2009

Horse Head and Flame Nebulas in Ha

Taken over 2 nights from Hillsborough NJ
11/21 and 12/11 2009

24*600 second 1600 iso sub exposures
Orion Mak-Newtonian F/5.3
CGE ST-4 guided
Canon XT and Astronomik 13 nm Ha filter
15Dark/30Flat/30Bias calibration frames each set

Ambient temp 38 degrees F first night
Ambient temp 22 degrees F second night

other sizes: small medium large original auto

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