15  July  2017
 
  Sh2-308 
   
   

                                                                                                               
   
By    Alan Van
astro-noodle.blogspot.hk )

Object : Sh2-308 Date : 30Dec.2016-3Jan 2017 Place : Meizhou , Guangdong Province Telescope : C11/HyperStar (SX), OS RH200(ASI),
Mount : SkyWatcher AZEQ6 Camera : SX-H694(-10ºC) , ASI1600MM(-20ºC), Filter : Baader Oiii (SX) ,
Astrodon RGB/Oiii (ASI) Exposure : Oiii  300sx138  (11.5hr)  , R 300sx21 , G 300sx18, B 300sx17  (RGB ~4.7hr)
Guiding : Borg50/lodestar Processing : PI、PS-CC


 

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