Hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  El Nath (βTau)  ·  The star 118Tau  ·  The star 125Tau  ·  The star 136Tau  ·  The star 26Aur  ·  The star Elnath
Sh2-240 (Simeis 147), 



    
        

            Toshiya Arai
Sh2-240 (Simeis 147)
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Sh2-240 (Simeis 147)

Technical card

Imaging telescopes or lenses: Carl Zeiss 135mmF2 Apo Sonnar

Imaging cameras: QSI 583ws

Mounts: Vixen AXD

Guiding telescopes or lenses: Tomytec Pencil BORG

Guiding cameras: Starlight Xpress Superstar

Software: Adobe Photoship CC 2017  ·  MaximDL 6


Dates:Oct. 17, 2015Oct. 21, 2015Nov. 6, 2015

Frames:
Astrodon H-alpha 5nm: 17x600"
Astrodon O3 5nm: 46x600"
Astrodon S2 5nm: 18x600"

Integration: 13.5 hours

Avg. Moon age: 12.33 days

Avg. Moon phase: 32.66%


Basic astrometry details

Astrometry.net job: 1635315

RA center: 5h 40' 30"

DEC center: +27° 51' 7"

Pixel scale: 8.515 arcsec/pixel

Orientation: 1.236 degrees

Field radius: 4.794 degrees


Resolution: 3244x2432

Locations: Arakine, Isumi-city, Chiba, Japan

Description

Zeiss 135mmF2 Apo Sonnar + QSI583ws twin system.
f=2.8

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Sh2-240 (Simeis 147), 



    
        

            Toshiya Arai