Celestial 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

Equipment

Imaging Telescopes Or Lenses
Borg 55FL · Borg 67FL
Imaging Cameras
QHYCCD QHY16200A · QHYCCD IC8300
Mounts
CEM60
Filters
G · R · B · Lum · IDAS HEUIBII
Accessories
BORG Reducer 0.8x DGQ55 [7880] · Borg 7108
Guiding Telescopes Or Lenses
Takahashi GT-40
Guiding Cameras
QHYCCD QHY5L-II M

Acquisition details

Dates:
Nov. 26, 2016 ·  Nov. 24, 2017 ·  Nov. 25, 2017
Frames:
B: 18×300(1h 30′) -20°C bin 1×1
G: 16×300(1h 20′) -20°C bin 1×1
Lum: 41×300(3h 25′) -20°C bin 1×1
R: 16×300(1h 20′) -20°C bin 1×1
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: 05h36m42s.10

DEC center: -01°1149

Pixel scale: 3.964 arcsec/pixel

Orientation: 0.751 degrees

Field radius: 2.874 degrees

Resolution: 1634x1290

File size: 1.8 MB

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