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SH2-129 - Fail to get Ou4 from Light Polluted City Sky, 



    
        

            Kai Yang
SH2-129 - Fail to get Ou4 from Light Polluted City Sky
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SH2-129 - Fail to get Ou4 from Light Polluted City Sky

Technical card


Dates:Nov. 15, 2019

Frames:
Baader Ha 7nm 36: 24x1200" bin 1x1
Baader OIII: 102x1200" bin 1x1

Integration: 42.0 hours

Darks: ~30

Flats: ~30

Bias: ~30

Avg. Moon age: 17.61 days

Avg. Moon phase: 91.09%

Bortle Dark-Sky Scale: 8.00


Basic astrometry details

Astrometry.net job: 3054501

RA center: 21h 8' 48"

DEC center: +59° 38' 34"

Pixel scale: 4.495 arcsec/pixel

Orientation: 264.303 degrees

Field radius: 1.839 degrees


Resolution: 1880x2268

Locations: Backyard, Fremont, CA, United States

Data source: Backyard

Description

First light of the William Optic Cat 51.
More than 20HR O3 data from the light polluted sky does not help.
8300 CCD is also very insensitive in blue light.

Comments

Author

KaiYang
Kai Yang
License: None (All rights reserved)
1000
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Revisions

  • Final
    SH2-129 - Fail to get Ou4 from Light Polluted City Sky, 



    
        

            Kai Yang
    B

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Sky plot

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SH2-129 - Fail to get Ou4 from Light Polluted City Sky, 



    
        

            Kai Yang