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Old 14-12-2013, 01:41 PM
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broca (Steve Coates)
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Join Date: Jun 2013
Location: Ocala, Florida USA
Posts: 88
Barnard 33, the Horsehead nebula in HaRGB

Here is the latest from Southeast U.S. (where it dipped into the 50's one night )! This was imaged over several nights in November and December using the AT8RC and QSI 683 wsg-8.
RGB data: 50 minute Red, Green and Blue (binned 2x2)
Ha: 5 hours (binned 1x1) using the 8 inch RCT.
Processed in Photoshop CS5
Imaging telescope: Astro-Tech 8" Ritchey-Chrétien (FL 1625mm).
Imaging camera: QSI 683 wsg-8
Losmandy G-11 with Gemini II
Astrodon Tru-balance E-Series Generation II LRGB filters
Astrodon 5nm Ha filter
Please click the image for a higher resolution image. Comments and suggestions are always welcome.
Attached Thumbnails
Click for full-size image (Horsehead 2013 HaRGB20.jpg)
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Click for full-size image (Horsehead 2013 HaRGB25.jpg)
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Last edited by broca; 15-12-2013 at 12:25 AM. Reason: Updated photo
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