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Contains:  NGC 2071, M 78, NGC 2068, NGC 2067, NGC 2064
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M78 in Red cloud, 





    
        

            s1macau
M78 in Red cloud

M78 in Red cloud

Technical card

Imaging telescope or lens:Takahashi TSA-120

Imaging camera:ZWO ASI 1600MM Cool

Mount:SkyWatcher AZ EQ6 GT

Guiding telescope or lens:ATIK OAG

Guiding camera:Atik GP mono (OAG)

Focal reducer:Takahashi TKA31580S

Software:Photoshop CS5Pleiades Astrophoto PixInsight

Filters:Optolong RGBOptolong Ha 7nm

Accessory:polemaster

Resolution: 4239x3157

Dates:Jan. 28, 2019Jan. 29, 2019

Frames:
Optolong Ha 7nm: 31x1200" (gain: 139.00) -20C bin 1x1
Optolong RGB: 182x600" (gain: 139.00) -20C bin 1x1

Integration: 40.7 hours

Darks: ~48

Bias: ~100

Avg. Moon age: 23.23 days

Avg. Moon phase: 38.67%

Astrometry.net job: 2591727

RA center: 86.725 degrees

DEC center: 0.224 degrees

Pixel scale: 1.088 arcsec/pixel

Orientation: 217.029 degrees

Field radius: 0.799 degrees

Locations: Gemini remote observatory, Lijiang, Yunnan, China

Data source: Own remote observatory

Comments

Author

s1macau
s1macau
License: None (All rights reserved)
1622
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Revisions

  • M78 in Red cloud, 





    
        

            s1macau
    Original
  • M78 in Red cloud, 





    
        

            s1macau
    B
  • M78 in Red cloud, 





    
        

            s1macau
    C
  • M78 in Red cloud, 





    
        

            s1macau
    D
  • Final
    M78 in Red cloud, 





    
        

            s1macau
    F

D

Added 64 samples to RGB, 27 to Ha

F

Removed bad frames and added flat field calibration to all frames. The lens flare is seems caused by the Reducer, no way to be fixed so9sad

Sky plot

Sky plot

Histogram

M78 in Red cloud, 





    
        

            s1macau

In these public groups

China Lijiang Gemini Observatory