Messier 42 & NGC 1977

Copyright 2022. Yongho Ji. All right reserved

  • Photographer : Yongho Ji

  • DATE : 2022-01-15

  • Place : Gimpo in Korea(Bortle class 5)

  • Telescope : Esprit 120ED, Default flattener

  • Tripod & Mount : SONA 25-25 Harmonic EQ mount

  • Guide scope/camera : Redcat 51, f4.9, ZWO ASI462mc

  • Camera : ZWO ASI 2600mm pro(Gain 100, offset 50, Temperature -20°C)

  • Filters : ZWO 36mm, L, Ha(6nm), Sii(6nm), Oiii(6nm)

  • Exposure : Total 16.6 hours
    L : 10sec x 30
    Ha : 300sec x 20
    Sii : 300sec x 5
    Oiii : 300sec x 5

  • Software : ZWO ASIAIR pro, DeepSkyStacker, PixInsight, Photoshop