Horsehead Nebula, Imaged with an
AP 155 EDF
Horsehead Nebula taken with a 155 EDF refractor operating at F5.3.
STL11000 camera, 10nm Ha filter. Exposure time 4.5 hours total. Image reduced to 1/4 size.
Image by Roland Christen.
Full resolution of The Horsehead.
Extreme Horsehead Nebula.
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