Contains: NGC 2112, The star 59Ori, The star 56Ori
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LDN1622 HaRGB Wide Field

Technical card

Imaging telescope or lens: Stellarvue SV70T

Imaging camera: ZWO ASI1600MM-Cool

Mount: Astro-Physics Mach1GTO

Guiding telescope or lens: Finder Guider

Guiding camera: ASI 120MM-S

Focal reducer: Stellarvue SFFR-70APO

Software: KDE Project Kstars/EkosINDILibPhotoshop CS3

Filters: Astrodon Ha 1.25" 5nmBaader RGB 1.25''

Resolution: 1814x1344

Dates: Dec. 10, 2017Dec. 11, 2017Dec. 12, 2017Dec. 13, 2017

Baader B 1.25'' CCD Filter: 60x90" (gain: 76.00) -20C bin 1x1
Baader G 1.25'' CCD Filter: 60x90" (gain: 76.00) -20C bin 1x1
Astrodon Ha 1.25" 5nm: 150x300" (gain: 200.00) -20C bin 1x1
Baader R 1.25'' CCD Filter: 60x90" (gain: 76.00) -20C bin 1x1

Integration: 17.0 hours

Avg. Moon age: 23.77 days

Avg. Moon phase: 33.56% job: 1866770

RA center: 88.430 degrees

DEC center: 1.469 degrees

Pixel scale: 5.801 arcsec/pixel

Orientation: 24.315 degrees

Field radius: 1.819 degrees


An experiment trying an HaRGB composition using RGB data collected from my SQM 19 backyard. I went for a more subtle processing style as the noise level of the RGB undermined my attempts to be more aggressive. It is interesting to be able to add some color to what would otherwise be a monochrome Ha-only image.




Sky plot

Sky plot


LDN1622 HaRGB Wide Field,