礁湖星雲 M8及三裂星雲 M20

C.L.Chan

礁湖星雲 M8及三裂星雲 M20
Lagoon Nebula & Tri-field Nebula, 2018 08 11 HKT 22:21 to 22:32, Canon 700D Camera, IR filter removed. Canon EF 55-200 set at 200 mm, ISO 6400, Exposure 30 sec. each. Use Deep Sky Stacker software to stack 29 light frames, 10 Dark frames 7 10 Bias frames. Total exposure is 14.5 minutes. Place where the photos taken is 台灣大雪山 .