深空、觀測記錄 20171210 IC434 – The Horsehead and Flame Nebulae 2017-12-10 admin IC434 – The Horsehead and Flame Nebulae 600s x 10 frames Takahashi FS60c(FTF mod) , 0.72x reducer Sbig STF-8300m Baader Ha 3nm filter Vixen SXP with M-GEN Lacerta kowa 100mm/2.8 guider Maxim DL Pro, PI, PS processed.