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Horsehead nebula

Object name / Catalog Number: Horsehead nebula
Camera (specific model): DSI-Pro
Number of Exposures & Exposure length: 50xL, 17xR, 13xG, 14xB  all 20 seconds
Scope: Model, Aperture and F ratio: Meade LX200GPS, alt-az mount, 8” + f/3.3 focal reducer
Filters used: Meade R,G,B, Astronomik IR

Additional Information
Guide camera/scope: None
Image Capture Software: Envisage
Processing software: Nebulosity preprocess & stack (drizzle 2x), PhotoShop CS3
Other:

Original Photo
 

Photo Comments

ChuckR54 wrote:
Qualified - 4 points

1) Focus/Sharpness - Excellent focus...but excess noise reduction in the nebula structure reduces the appearance of sharpness
2) Composition - Good
3) Star Quality - Good - nice mix of small stars
4) Processing Skills - This image is a little dark overall - I would recommend brightening (a little) with curves. The black point is set a little high...but you know this :-). The image appears a little over-smoothed to my eye....
5) Exposure/Depth - Good
6)

4:44 PM on January 26, 2008

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  • Posted By: texas
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