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I agreeImaging telescope or lens:LACERTA 250/1000 F4 LACERTA NEWTON
Imaging camera:ZWO 1600mm Cooled Pro
Mount:SkyWatcher EQ 8
Guiding telescope or lens:LACERTA 250/1000 F4 LACERTA NEWTON
Guiding camera:Altair Astro Altair GPCAM2 IMX224 Colour Guide / Imaging Camera
Focal reducer:GPU Pal Gyulai GPU 2" Aplanatic Coma Corrector
Software:PixInsight PinInsight 1.8 , PHD Labs PHD 2 Guiding , SGP Pro
Filters:ZWO Blue 36mn , ZWO Green 36mn , Zwo Red 36mm
Dates:Sept. 2, 2018
Frames: 57x180"
Integration: 2.9 hours
Avg. Moon age: 21.51 days
Avg. Moon phase: 56.81%
Astrometry.net job: 2365676
RA center: 19h 59' 59"
DEC center: +22° 44' 2"
Pixel scale: 0.783 arcsec/pixel
Orientation: 359.693 degrees
Field radius: 0.521 degrees
Resolution: 4200x2312
Locations: au Pied du Ventoux, Ventoux, 84, France
Data source: Own remote observatory
Dumbell M27 in RGB
2 nights the 2 and 3 septembre
20 Red subs @180s (gain 139 and -20°c )
19 Green subs @180s (gain 139 and -20°c )
18 Blue subs @180s (gain 139 and -20°c )
I use the superluminance technic to make the L and process it before adding it to the RGB.
I also use a new stretch technic to keep the colors of the star and not clip the hight ADU values
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