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Thursday, January 7, 2016
We have had few clear nights in this year. I was able to finalice a two frame mosaic project of the central Cygnus at freezing temperature of - 27 degrees centigrade (-17 fahrenheit) Lights are from three nights between 3. - 6. january 2016. Total exposure time 15h.
Opening image for the year 2016, Filaments of CygnusPlease, click for a large image, 1800x900 pixels and 1.7 MB
Orientation in Cygnus
More info about this photo can be found HERE.
Processing work flow
Image acquisition, MaxiDL v5.07.
Stacked and calibrated in CCDStack2.
Deconvolution with a CCDStack2 Positive Constraint, 21 iterations, added at 25% weight
Color combine in PS CS3
Levels and curves in PS CS3.
Celestron Edge HD 1100 @ f7 with 0,7 focal reducer for Edge HD 1100 telescope
Cameras and filters
Imaging camera Apogee Alta U16 and Apogee seven slot filter wheel
Guider camera, Lodestar x2 and SXV-AOL
Astrodon filter, 5nm H-alpha
Astrodon filter, 3nm O-III
Astrodon filter, 3nm S-II
H-alpha, 27 x 1200s =9h
O-III, 9 x 1200s binned = 3h