Time Travel Research Center © 2005 Cetin BAL - GSM:+90  05366063183 - Turkey / Denizli 

                                                      Spiral Galaxy NGC 891

             

 

Technical Details

Optics: 14" f/10 RCOS Ritchey-Chrétien Cassegrain at f/7,Takahashi FRC-300 focal reducer.
Mount: Astro-Physics AP1200GTO.
Camera: SBIG ST-10XME, CFW-8.
Filters: SBIG Standard LRGB.
Dates/Times: 21, 24 November 2003.
Location: my backyard observatory in Austin, Texas.
Exposure Details: LRGB = 180:30:30:60 minutes (5-minute sub-exposures).
Processing: MaxImDL (combine), CCDSharp (deconvolution), Photoshop (levels, curves, etc.), ImagesPlus (deconvolution, smoothing).
 

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