Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Nebula in Orion  ·  M 42  ·  M 43  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1982  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri
Getting plate-solving status, please wait...


            Yasushi Fukunaga
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Technical card

Imaging telescopes or lenses: Astro Physics 160EDF f7.5

Mounts: Astro-Physics 1100GTO-AEL

Guiding telescopes or lenses: Baader Planetarium Vario Finder 10x60

Guiding cameras: Starlight Xpress Ultrastar M

Focal reducers: Astro Physics 160TCC

Software: Adobe Photoship CC  ·  PixInsight

Filters: Red Filter  ·  Luminance  ·  Blue Filter  ·  Green Filter

Accessory: FLI Centerline CL-1-10

Dates:Nov. 1, 2019

Frames: 52x300"

Integration: 4.3 hours

Avg. Moon age: 4.62 days

Avg. Moon phase: 22.26%

Basic astrometry details

Astrometry.net job: 3031868

RA center: 5h 35' 15"

DEC center: -5° 19' 19"

Pixel scale: 2.438 arcsec/pixel

Orientation: 0.819 degrees

Field radius: 1.149 degrees

Resolution: 2400x2397

Locations: Yanamodake Observatory, Hokuto, Yamanashi, Japan

Data source: Traveller


First light of FLI KL4040. The CMOS camera is so high speed and the exposure should have been 2 min instead of 5 min that caused the saturation against the core of bright stars and the nebula.
Also realize the black horizontal belt probably because of the nebula saturation. I need more test to gain confidence.


Sky plot

Sky plot




            Yasushi Fukunaga