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M42 Orion Nebula

Object name / Catalog Number: Orion Nebula M42
Camera: DSI Pro 1
Number of Exposures & Exposure length: 145 subs at 25 seconds each (total 60 mins)
Scope: Model, Aperture and F ratio: William Optics Petzvel 66 F6.1 with Meade 6.3 focal reducer piggybacked on a Celestar 8.
Filters used: Astronomik 13nm Halpha only.
Image Capture Software: Envisage
Processing software: Autostar Image Processing, Adobe Photoshop CS2 with Fits Liberator 2.
Guide camera/scope: N/A
Other: Visibility: High light pollution and half moon.

Original Photo
 

Photo Comments

ChuckR54 wrote:
Qualified - 3 points

1) Focus/Sharpness - Good
2) Composition - Would prefer to place the target higher & to the left in the frame
3) Star Quality - Good
4) Processing Skills - The black point is set too high, robbing us of the faint nebulosity surrounding the main nebula
5) Exposure/Depth - Good total time on target, more detail should be available with a lower black point setting
6) Technical Bonus -

8:22 PM on October 4, 2008

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  • Posted By: Bferry
  • Viewed: 216
  • Comments: 1
  • Ratings: 1 vote(s)
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  • Date/Time: 11-15-2007 9:15 PM

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