2017-07-28 NGC6888 the Crescent Nebula

Post date: Sep 06, 2017 3:16:33 AM

NGC6888 the Crescent Nebula. Imaged on July 2, July 28 and July 30, 2017 from Buford Mountain Conservation Area. Total exposure of 6.5 hours at F/5, 750 mm focal length Newtonian. Processed in Pixinsight and Photoshop.

Celestron C6N with Baader MPCC on the Celestron Advanced VX mount. QSI WSG camera with Astrodon filters. Controlled with Sequence Generator Pro. Orion 50mm F/3.3 SSAG autoguider with PHD2 guiding. Luminance: 9 x 10 minutes, Ha: 6 x 30 min, R, G and B: 8 x 5 min each for a total exposure of 6.5 hours