Tuesday, November 14, 2017
An other detail from the Southern Cygnus
This has been the most cloudy Autumn season in twenty years.
I'm still processing material from couple of clear nights we had this Autumn. I made another individual image out of the material, I shot for the WR 134 mosaic image.
An other nameless detail from the Southern Cygnus
Please, click for a full size photo
Image in visual spectrum
Please, click for a full size photo
The mosaic image
Please, click for a full size photo
The location in Cygnus
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The area of the mosaic image above is marked as a white rectangle.
Info about this large mosaic image can be seen HERE
Technical details
Processing work flow
Image acquisition, MaxiDL v5.07.
Stacked and calibrated in CCDStack2.
Deconvolution with a CCDStack2 Positive Constraint, 33 iterations, added at 50% weight
Color combine in PS CS3
Levels and curves in PS CS3.
Imaging optics
Celestron Edge HD 1100 @ f10 with 0,7 focal reducer for Edge HD 1100 telescope
Mount
10-micron 1000
Cameras and filters
Imaging camera Apogee Alta U16 and Apogee seven slot filter wheel
Guider camera, Lodestar x 2 and SXV-AOL
Astrodon filter, 5nm H-alpha
Astrodon filter, 3nm O-III
Astrodon filter, 3nm S-II
Exposure times
H-alpha, 21 x 1200s, binned 2x2 = 7h
O-III, 6 x 1200s binned 4x4 = 2h
S-II, 6 x 1200s binned 4x4 = 2h
Total 11h
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