Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Horsehead nebula  ·  IC 423  ·  IC 426  ·  IC 431  ·  IC 432  ·  IC 434  ·  IC 435  ·  NGC 1990  ·  NGC 2023  ·  NGC 2024  ·  Part of the constellation Orion (Ori)  ·  The star 31Ori  ·  The star Alnilam (εOri)  ·  The star Alnitak (ζOri)  ·  The star Mintaka (δOri)  ·  The star σOri
Getting plate-solving status, please wait...
Orion The Tristar, 



    
        

            Yuichi Kawamoto
Orion The Tristar
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Orion The Tristar

Getting plate-solving status, please wait...
Orion The Tristar, 



    
        

            Yuichi Kawamoto
Orion The Tristar
Powered byPixInsight

Orion The Tristar

Technical card

Imaging telescopes or lenses: Borg 55FL  ·  BORG 67FL

Imaging cameras: QHYCCD QHY16200A Mono  ·  QHYCCD IC8300

Mounts: CEM60

Guiding telescopes or lenses: Takahashi GT-40

Guiding cameras: QHYCCD QHY 5L-II mono

Focal reducers: BORG Reducer 0.8x DGQ55 [7880]  ·  Borg 7108

Filters: IDAS HEUIBII


Dates:Nov. 26, 2016Nov. 24, 2017Nov. 25, 2017

Frames:
B: 18x300" (1h 30') -20C bin 1x1
G: 16x300" (1h 20') -20C bin 1x1
Lum: 41x300" (3h 25') -20C bin 1x1
R: 16x300" (1h 20') -20C bin 1x1

Integration: 7h 35'

Darks: ~10

Flats: ~50

Bias: ~50

Avg. Moon age: 12.83 days

Avg. Moon phase: 25.21%


Basic astrometry details

Astrometry.net job: 1844528

RA center: 5h 36' 42"

DEC center: -1° 11' 49"

Pixel scale: 3.964 arcsec/pixel

Orientation: 0.751 degrees

Field radius: 2.874 degrees


Resolution: 1634x1290

Locations: Asagiri Plateau, Fujinomiya City, Shizuoka-City, Japan; Mitsumine Heliport, Chichibu City, Saitama, Japan

Data source: Traveller

Description

First shot of the twin cooled CCD configuration.

Acquisition details:

L Images: Borg 67FL+7108 Flattener, f=324mm, F4.8
QHYCCD QHY16200A Cooled monochrome CCD camera, -20 degrees
300sec x 41 frames

RGB Images: Borg 55FL+7880 reducer, f=200mm F3.5
QHYCCD IC8300 Cooled monochrome CCD camera, -20 degrees
R: 300sec x 16 frames
G: 300sec x 16 frames
B: 300sec x 18 frames

Comments

Sky plot

Sky plot

Histogram

Orion The Tristar, 



    
        

            Yuichi Kawamoto