,rework of old data
Object : Sh2-308
Date : 30Dec.2016-3Jan 2017 , 1Mar 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/Ha (ASI), Optolong Ha(SX),
Exposure : Oiii 300sx120 (10 hr),Ha 300sx97(C11x49,RH200x48 ~8.1hr) ,R 300sx21,G 300sx18, B 300sx17 (RGB ~4.7hr)
Guiding : Borg50/lodestar
Processing : PI、PS-CC
Detail image :
https://cdn.astrobin...x0_b9muqi8S.png
https://astro-noodle...01/sh2-308.html