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Technical card

Imaging telescope or lens: Takahashi FSQ106ED

Imaging camera: Alta U8300

Mount: 10micron GM2000 HPS II GM2000

Guiding telescope or lens: Takahashi FSQ106ED

Software: PixInsight 1.8MaximDL 5Adobe Photoshop CS5

Filter: Ha 5nm

Accessory: Atik EFW2 Filter Wheel

Resolution: 12279x22102

Dates: Feb. 4, 2017

Frames: 1530x600"

Integration: 255.0 hours

Avg. Moon age: 7.20 days

Avg. Moon phase: 48.05%

Astrometry.net job: 1435420

RA center: 84.889 degrees

DEC center: 0.859 degrees

Pixel scale: 4.200 arcsec/pixel

Orientation: 179.603 degrees

Field radius: 14.749 degrees

Locations: Observatoire personnel, Vérossaz, Valais, Switzerland

Description

1530 raw images of 10 minutes each
255h total exposure during 2 years
A full resolution of 24558x44204 pixels for a total of 1 gigapixels
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, Astrodon e-series Lum 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 CE and PixInsight for non-linear streching.

Comments

Author

David Lindemann
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