NGC 6820

Posted by tomdiana
on Monday, August 31, 2015

This is a hybrid image taken with a 10" TPO R-C scope using an Astro-Physics CCDT67 reducer (f/6.2) on an iOptron CEM 60 mount. Guiding was done with an Orion SSAG Pro on a 300mm Komura lens. The color image was obtained with a modified Canon 650D (ISO 800, raw capture). It consisted of 12 subframes of 5 min.each. The Ha data was obtained with an SBIG ST-8300 using a Baader 7nm filter (24 5-min. exposures, binned 2x2).
The color and Ha images were aligned in RegiStar. They were combined and adjusted in Photoshop.

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