Astrometry.net job: 1522550
RA center: 99.761 degrees
DEC center: 7.783 degrees
Pixel scale: 2.018 arcsec/pixel
Orientation: -90.222 degrees
Field radius: 6.192 degrees
Locations: Observatoire personnel, Vérossaz, Valais, Switzerland
30 panels mosaic of H-a, SII and OIII + 104 panels Red and Blue from POSS2 (Digitized Sky Survey http://www.astro.caltech.edu/~wws/poss2.html)
LRGB composition Hybrid Cannistra bi-color (http://www.starrywonders.com/bicolortechniquenew.html) narrowband and broadband palette
363 raw narrowband images of 10 minutes each
208 raw broadband images from POSS2
60.5h total exposure during 10 nights
A full resolution of 11278x19004 pixels for a total of 214 Megapixels
50 bias + 50 dark + 50 flats for calibration in CCDStack
Takahashi FSQ106ED @f/5 530mm focal length with ONAG XT (http://www.innovationsforesight.com/),
Apogee Alta U8300 monochrome @-30°C and Astrodon narrowband H-alpha, OIII and SII 5nm filters on 10micron GM2000 HPS II
Software: MaximDL to capture - SkySurveyor to calculate mosaic tiles and to automatically move the scope to the next tile coordinate - SharpLock to keep the optical train perfectly focused - CCDStack to calibrate, register, normalize, data reject and combine - Registar and PixInsight for mosaic assembly - Photoshop CE and PixInsight for non-linear streching.
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