Imaging telescope or lens: William Optics Zenithstar 66
Imaging camera: Moravian G2-8300
Mount: Skywatcher AZ-EQ6 GT
Guiding telescope or lens: SkyWatcher Finder/Guider 9x50
Focal reducer: William Optics flat 6
Reprocessing of my previous image : http://www.astrobin.com/197975/
The field is 8x5.21 deg.
Included DSOs : NGC6888 (Crescent Nebula), M29, NGC6910, NGC6914, IC1311.
Two nights of acquisition in center France during my holidays. It's the first time a make such a mosaic and it was very hard for me to process all the images. There is still a lot of noise due to the small amount of images.
July 19, 2015 : Ha
July 20, 2015 : RGB
William optics Zenithstar 66
William optics Flatener 6
Astrodon 5nm Ha filter
Astrodon TruBalance R,G,B filters.
Skywatcher 8x50 Finderscope
Skywatcher AZ-EQ6 GT
Ha : 7 x 5mn bin 1x1 for each panel (Total = 56 x 5mn).
R,G,B : 4 x 3mn bin 2x2. for each panel (Total = 96 x 3mn).
100 Bias bin 1x1, bin 2x2 (Superbias)
50 darks bin 1x1, bin 2x2
25 flats for each channel
Acquisition : Sequence Generator Pro
Guiding : PHD2
(pre)Processing : PixInsight 1.8
Mosaic and cosmetic : Photoshop CS6
Preprocessing as usual, done manually (without BatchPreprocessing).
R,G,B of each panel has been aligned on the Ha channel using 2D-Spline and disortion correction.
A HaRGB image has been made for each panel using the NBRGB script.
The mosaic has been done with Photomerge (PS CS6)
The mosaic has been processed with PixInsight 1.8
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