望远镜: Takahashi TOA-130NS
赤道仪:Sky-Watcher EQ8-R Pro
曝光:Chroma Blue 50 mm: 15×60″(15′)Chroma Green 50 mm: 15×60″(15′)Chroma Red 50 mm: 15×60″(15′)
DISCOVER NEW HORIZONS
史蒂芬五重星系(IOTD 20230801) 望远