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Cropped view M 13 photo

This image is a cropped 1000x600 center area of the original image. The full fame image is below and is 3072 x 2048 pixels

IMAGE 

Camera:
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DETAILS

Canon 20D Modified 
800
6 images at 5 minutes each
APM  105/650 at f/6.3 telescope with a TS optics flattener
IDAS (light pollution reduction)
DeepSkyTracker, Kolev Raw preprocessed, Adobe Photoshop CS3, Adobe Lightroom
Large metro area - near San Francisco (moderate to heavy light pollution)
45 degrees F

Notes: This is a cropped image from the image below. This image is developed entirely within Photoshop using "add" functions such as "linear dodge" and "screen". This image was not processed with conventional "Average", "Mean" or "Sigma" image processes. This is experimental.

The blue smudge to the lower left of M 13 is a galaxy identified as NGC 6207

 

 

 

The full frame, 3072 x 2048 pixel, image of M 13

M13

IMAGE 

Camera:
ISO:
Exp. time:
Lens:
Filters:
Image Proc:
Location:

Temperature:

DETAILS

Canon 20D Modified 
800
6 images at 5 minutes each
APM  105/650 at f/6.3 telescope with a TS optics flattener
IDAS (light pollution reduction)
DeepSkyTracker, Adobe Photoshop CS3, Adobe Lightroom
Large metro area - near San Francisco (moderate to heavy light pollution)
45 degrees F

Notes: This is a full frame image from the Canon 20D modified - this image is uncropped - the original image is 3072 x 2048 pixels. The blue smudge above right side of this test box is a galaxy identified as NGC 6207 - A difficult galaxy for amateurs to image. Here is a brilliant image of 6207 galaxy photographed by Dr. Dietmar R. Hager, M.D. at: http://www.stargazer-observatory.com/L-OSC.html The image of 6207 is just below the amazing image of M 13. Dr. Hager has a 9" (230 mm) custom made TMB scope and a large observatory!

This image is developed entirely within Photoshop using "add" functions such as "linear dodge" and "screen". This image was not processed with conventional "Average", "Mean" or "Sigma" image processes. This is experimental.

 

 

 

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