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HORSEHEAD NEBULA in Ha

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HORSEHEAD NEBULA in Ha

IMAGER - SBIG ST 8300M
OPTICS - Nikon 300MM EDIF @ f5.4
MOUNT - Paramount MX
FILTER - Astrodon 3nm Ha
FILM - N/A
EXPOSURE - 20 X 10 Minute (unguided)
DATE - 12/27/2013
PROCESSING - Corrected, aligned and stacked in CCDStack2 then adjusted levels in Photoshop