Contains: M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1973, The star 45Ori, The star ιOri, The star θ2Ori, The star θ1Ori, The star 42Ori
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Great Orion Nebula HaRGB

Technical card

Imaging telescope or lens: Takahashi FSQ106ED

Guiding telescope or lens: Takahashi FS60-CB

Guiding camera: Atik 16IC

Software: Adobe Photoshop CS5

Filter: Ha 5nm

Accessory: Atik EFW2 Filter Wheel

Resolution: 3326x2504

Dates: Nov. 13, 2013

Integration: 0.0 hours

Avg. Moon age: 10.74 days

Avg. Moon phase: 82.78%

Astrometry.net job: 112561

RA center: 83.842 degrees

DEC center: -5.351 degrees

Pixel scale: 2.102 arcsec/pixel

Orientation: 1.889 degrees

Field radius: 1.216 degrees

Locations: Observatoire personnel, Vérossaz, Valais, Switzerland

Description

Great Orion Nebula - M42 - HaRGB - TrueHDR - LRGB composition

Captured 11/13/2013 with Takahashi FSQ106ED @f/5 530mm focal length with Apogee Alta U8300 monochrome and Astrodon H-a 5nm narrowband filter and TrueBalance RGB filters.

19 x 1s H-a unbinned = 19s
19 x 4s H-a unbinned = 1m16s
9 x 30s H-a unbinned = 4m30s
4 x 60s H-a unbinned = 4m
5 x 120s H-a unbinned = 10m
3 x 300s H-a unbinned = 15m
3 x 600s H-a unbinned = 30m
3 x 1200s H-a unbinned = 1h
4 x 300s R binning 2x2 = 20m
4 x 300s G binning 2x2 = 20m
4 x 300s B binning 2x2 = 20m

Total exposure time 3h6m5s

Software: MaximDL to capture, calibrate, register, normalize, data reject and combine - Photoshop CS5 and PixInsight for non-linear streching and color combine.

Comments

Author

David Lindemann
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Great Orion Nebula HaRGB, David Lindemann