Barnard 33 - The Horsehead Nebula - Hydrogen alpha
Nebulae
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Description
Barnard 33 - The Horsehead Nebula - Hydrogen alpha Starting as an instrumental test shot during the moon, this is the result of 33x900" H-alpha 5nm - Total exp 8:15h in two nights. GSO RC12" @ f/6 (Riccardi reducer .75x) 10Micron GM2000 HPS2 Moravian CCD G2-4000 Astrodon 5nm H-a filter