Here is 40 minutes (2 x 20 min) sub exposures in Ha using the QHY9 CCD Camera mounted on the TMB130 refractor combined with 6.5 hours of RGB I shot using the Canon 5D Mark II last year
www.flickr.com/photos/terryhancock/4753680594/in/set-7215...For this process I combined the Ha with the red channel of the RGB and added a Ha luminance layer.
Hydrogen Alpha
Location: DownUnder Observatory, Fremont MI
Date of Shoot 4th June 2011
Camera: QHY9M monochrome CCD by
www.astrofactors.com2 x 20 min sub exposures with 20 each dark and bias frames.
Scope: TMB 130SS using WO/TMB 68mm Field Flattener.
Autoguided: using QHY5 autoguider by
www.astrofactors.comParamount GT-1100S German Equatorial Mount (with MKS 4000)
Image processed with Photoshop CS3
RGB
Date of Shoot 28th, 29th and 30th June 2010
Camera: Canon 5D Mark II by HyperCams & Mods
26x15 min sub exposures with flat and dark frames.Stacked using Deep Sky Stacker
Scope: TMB 130SS F7 Refractor using an AT 2"Field Flattener.
Autoguided with Orion Auto Guider on TMB 80SS
CGE PRO Mount
Image Acquired using Nebulosity II, stacked with DSS and processed with Photoshop CS
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