Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  1 Per  ·  1 omi And  ·  10 And  ·  10 Cas  ·  10 Lac  ·  10 Per  ·  10 bet Cam  ·  10 nu. Cep  ·  11 And  ·  11 Cep  ·  11 Lac  ·  11 Per  ·  11 bet Cas  ·  12 Cas  ·  12 Cep  ·  12 Lac  ·  12 Per  ·  13 And  ·  13 Cas  ·  13 Cep  ·  13 Lac  ·  13 tet Per  ·  14 Cam  ·  14 Cep  ·  14 Lac  ·  14 Per  ·  14 lam Cas  ·  15 And  ·  15 Cep  ·  15 Lac  ·  And 549 more.
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Cassiopeia, 



    
        

            Wei-Hao Wang
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Cassiopeia

Getting plate-solving status, please wait...
Cassiopeia, 



    
        

            Wei-Hao Wang
Powered byPixInsight

Cassiopeia

Technical card

Imaging telescopes or lenses: Sigma 35mm F1.4 DG Art

Imaging cameras: Nikon D800 Mod

Mounts: iOptron CEM60-EC

Software: PixInsight  ·  RegiStar  ·  Photoshop CC


Dates:Oct. 22, 2017

Frames: 40x180" (2h) ISO800

Integration: 2h

Avg. Moon age: 2.53 days

Avg. Moon phase: 7.07%

Bortle Dark-Sky Scale: 2.00


Astrometry.net job: 3258591

RA center: 0h 49' 35"

DEC center: +61° 37' 33"

Pixel scale: 49.886 arcsec/pixel

Orientation: -2.927 degrees

Field radius: 36.334 degrees


Resolution: 4368x2916

Locations: Mt. Ho-Huan (Taiwan), Taichung, Taiwan

Data source: Traveller

Description

Lens stopped down to F4.

Ver.B has an effect of diffuse filter created in post processing, to make the bright stars more apparent.

Near the upper-left border of the image, you can see comet 2017 O1 (ASASSN).

Comments

Revisions

  • Final
    Cassiopeia, 



    
        

            Wei-Hao Wang
    Original
  • Cassiopeia, 



    
        

            Wei-Hao Wang
    B

Sky plot

Sky plot

Histogram

Cassiopeia, 



    
        

            Wei-Hao Wang