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Crescent Nebula in Ha

Laurin Dave

By Laurin Dave
in Imaging - Deep Sky

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Laurin Dave

Laurin Dave

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NGC6888 the Crescent Nebula in Ha taken 22/23 August using my newly acquired Astrodon 5nm Ha filter.  Equipment used: - Skywatcher Esprit 150 on AZ-EQ6 mount, ZWO ASI600mono, EFW and OAG Astrodon 5nm filter. 52x300s subs (4hr 20) processed in Pixinsight and Photoshop CS6.  Camera set at -10deg C and Unity Gain. Subs calibrated using matched darks, flats and matched flat darks.  I'm pretty pleased with this as my first attempt at the Crescent.

Thanks for looking.

Dave 

Crescent_Int_Ha_ABE_crop_mlt_HT_Curves_ps.jpg

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