Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 6946
Optolong LRGB @ NGC 6946烟花星系 , 



    
        

            LYAstro
Optolong LRGB @ NGC 6946烟花星系
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Optolong LRGB @ NGC 6946烟花星系

Optolong LRGB @ NGC 6946烟花星系 , 



    
        

            LYAstro
Optolong LRGB @ NGC 6946烟花星系
Powered byPixInsight

Optolong LRGB @ NGC 6946烟花星系

Acquisition details

Basic astrometry details

Astrometry.net job: 785219

RA center: 20h34m49s.9

DEC center: +60°0856

Pixel scale: 1.249 arcsec/pixel

Orientation: -92.147 degrees

Field radius: 0.256 degrees

Resolution: 1200x857

File size: 610.2 KB

Description

Optolong LRGB @ NGC 6946烟花星系

主镜:RC8 + TS 1x 平场

赤道仪:AZ-EQ6

相机:QHY9m

导星:SX AO + OAG

Filter:Optolong LRGB

曝光:累计3.5h曝光

后期:CCDStack叠加,MDL合成彩色,PS合成LRGB,CaptureNX最后出图

Photo by Tiantian(China)

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Optolong LRGB @ NGC 6946烟花星系 , 



    
        

            LYAstro