m (Simple update)
(Some processing results made with Siril)
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[[File:Star-trails.jpg|600px]]
 
[[File:Star-trails.jpg|600px]]
  
M33 (©V. Cohas):
+
M33 (©V. Cohas, Processed by C. Richard):
 
*Pre-processing with darks, offsets and flats, sum stacking, color calibration, subtraction of green noise, enhancement of saturation.
 
*Pre-processing with darks, offsets and flats, sum stacking, color calibration, subtraction of green noise, enhancement of saturation.
  

Revision as of 13:49, 29 October 2014

Some processing results made with Siril

The Moon (©V. Hourdin):

  • 19 raw images manually aligned, unsharp mask, white balance, crop.

Lune-TFG-2014-04-07.jpg

A star trail image (©C. Richard):

  • Pre-processing with darks and offsets, no alignment required, pixel maximum stacking, background extraction, subtraction of green noise, enhancement of saturation.

(The image above has been reduced and converted to PNG format)

Star-trails.jpg

M33 (©V. Cohas, Processed by C. Richard):

  • Pre-processing with darks, offsets and flats, sum stacking, color calibration, subtraction of green noise, enhancement of saturation.

M33.jpg

NGC7635 (©S. Billot):

  • Pre-processing with darks, offsets and flats, sum stacking.

37 x 180" ISO1600

NGC7635.jpg

M8 & M20 (©Astro Romain, Processed by C. Richard)

  • Pre-processing with Winsorized Sigma Clipping algorithm, background extraction, color calibration, midtones transfer function, green noise reduction and enhancement of saturation.

Siril M8-M20 processed.png