Image of the day 02/11/2017

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Technical card

Imaging telescope or lens: Takahashi FSQ106ED

Mount: 10micron GM2000 HPS II GM2000

Guiding telescope or lens: Takahashi FSQ106ED

Guiding cameras: Moravian G3-8300CAlta U8300

Software: MaximDL 5PixInsight 1.8Adobe Photoshop CS5

Filters: Ha 5nmOIII 5nmSII 5nm

Accessory: Atik EFW2 Filter Wheel

Resolution: 12112x21888

Astrometry.net job: 1441068

RA center: 84.783 degrees

DEC center: 0.857 degrees

Pixel scale: 4.196 arcsec/pixel

Orientation: 179.497 degrees

Field radius: 14.576 degrees

Locations: Observatoire personnel, Vérossaz, Valais, Switzerland

Description

Composition formula HaNIRL:((HaR:G:B) + (SII:Ha:OIII))

10x180 seconds captured with a Canon EF Zoom 70-200 at 70 mm focal length on a CCD Moravian G2-8300 color
1530 raw images of 10 minutes each
366 unbinned raw images LRGB of 5 minutes each
~256h total exposure from 10/30/2015 to 12/12/2016

A full resolution of 24558x44204 pixels for a total of 1 gigapixels
FOV 14.3° x 25.8°
50 bias + 50 dark + 50 flats for calibration in CCDStack

Takahashi FSQ106ED @f/5 530mm focal length with ONAG XT, Apogee Alta U8300 monochrome @-30°C and Astrodon narrowband H-alpha 5nm and TrueBalance LRGB filters and Astrodon NIR 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 CS5 and PixInsight for non-linear streching and HDR processing.

Comments

Author

David Lindemann
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