Line 5: Line 5:
[[File:Lune-TFG-2014-04-07.jpg|600px]]
[[File:Lune-TFG-2014-04-07.jpg|600px]]


A star trail image:
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.
*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 ocnverted to png format)
(The image above has been reduced and ocnverted to png format)
Line 11: Line 11:
[[File:Star-trails.jpg|600px]]
[[File:Star-trails.jpg|600px]]


M 33 (©V. Cohas):
M33 (©V. Cohas):
*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.


[[File:M33.jpg|600px]]
[[File:M33.jpg|600px]]


NGC 7635 (©S. Billot):
NGC7635 (©S. Billot):
*Pre-processing with darks, offsets and flats, sum stacking.
*Pre-processing with darks, offsets and flats, sum stacking.
37 x 180"
37 x 180"
Line 22: Line 22:


[[File:NGC7635.jpg|600px]]
[[File:NGC7635.jpg|600px]]
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.
[[File:Siril_M8-M20_processed.png|700px]]

Revision as of 20:29, 22 October 2014

Some processing results made with Siril

The moon, 19 images manually aligned, unsharp mask, white balance, crop.

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 ocnverted to png format)

M33 (©V. Cohas):

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

NGC7635 (©S. Billot):

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

37 x 180" ISO1600

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.