from Sunnyvale CA on 2016/12/4~5 Type: SAB(rs)cd Orion 10 inch Austrograph of 1000mm FL 27 frames (ISO: 800) – total exposure: 27 mn 0 s Dark: 10 frames (ISO : 800) exposure: 1 mn 0 s Dark Flat: 10 frames (ISO : 1600) exposure: 30 s Flat: 10 frames (ISO: 1600) exposure: 30 s 9 frames (ISO: 800) – total exposure: 18 mg step 2 ->n 0 s Dark: Dark: 10 frames (ISO : 800) exposure: 2 mn 0 s Dark Flat: same Flat: same