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M104 - Sombraro

Object name / Catalog Number: M104 - Sombrero Galaxy
Camera (specific model): Meade DSI-Pro (LUM) and Meade DSI (Color)
Number of Exposures & Exposure length: DSI-Pro: LUM 20 x 3 Minutes, DSI: Color 10 x 3 Minutes
Scope: Model, Aperture and F ratio: Meade LX90 8 Inch with Meade 6.3 Focal Reducer (apx F8)
Filters used: Meade IR


Additional Information
Guide camera/scope: Megrez 80 guidescope, DSI Color for guiding and DSI Pro for guiding when imaging wiht the DSI C
Image Capture Software: Envisage
Processing software: Drizzle combined in Envisage to Double Size, Imported individual channels into PhotoShop for standard curve, level, and color balance asjustments as well as RGB combine.  Reduced to 66 perdcent of Drizzle size.
Other:

Original Photo
 

Photo Comments

ChuckR54 wrote:
"Qualified" - 5 points

1) Focus/Sharpness - Yes
2) Composition - Yes
3) Star Quality - Yes
4) Processing Skills - Yes - although technically speaking the core is clipped, I have never seen an image that really shows the full dynamic range of this exceptionally difficult object that does not exhibit at tleast some clipping in this area. The transition from the cetral core to the outer halo is exceptionally well managed in this case.
5) Exposure/Depth - Yes
6) Technical Bonus - N/A

A fine image, and all the more remarkable for having been taken with the original DSI-Pro!

1:14 PM on July 18, 2007

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  • Posted By: E2Pilot
  • Viewed: 964
  • Comments: 1
  • Ratings: 1 vote(s)
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  • Date/Time: 05-15-2005 12:20 PM

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