船帆座超新星爆炸殘骸 (Vela Supernova Remnant) 及 古姆星雲 (Gum 12)
SHO palette
2015年4月22日‧Wentworth, Australia
拍攝資料
Camera : CentralDS Astro A7s (cooled at -9C)
Telescope/Lens : f/2.8 @ Sigma 50mm f/1.4
Filter : Optolong Ha, SII, OIII
ISO : 6400
Tracking Mount : SkyWatcher Star Adventure
Autoguide : none
Total Exposure Time : Ha:48mins, SII:44mins, OIII:52mins
w Dark Frames, Bias Frames
process w PI, PS5
Ha, SII, OIII 濾鏡由 Optolong 提供