Contains: NGC 2024, Horsehead nebula, IC 434, NGC 1990, M 43, NGC 1982, NGC 1977, M 42, Great Nebula in Orion, NGC 1976, NGC 1981, The star Meissa (λOri), The star ηOri, The star ιOri, The star Mintaka (δOri), The star Saiph (κOri), The star Alnitak (ζOri), The star Alnilam (εOri), The star Bellatrix (γOri), The star Betelgeuse (αOri), The star Rigel (βOri), Part of the constellation Orion (Ori)
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180 panels ultra-wide field mosaic on Orion H-alpha, Luminance and NIR - FOV 14.3° x 25.8° - The gigapixels project

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: 7.74 days

Avg. Moon phase: 53.76%

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.

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Author

David Lindemann
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180 panels ultra-wide field mosaic on Orion H-alpha, Luminance and NIR - FOV 14.3° x 25.8° - The gigapixels project, David Lindemann

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