NGC 891

  • Photographer : Pierrot

  • DATE : 2021

  • Place : Danyang

  • Telescope : Sharpstar SCA260 (FL1300 mm F5)

  • Tripod & Mount : Rainbow astro RST400 and nho's pier

  • Guide scope/camera : OAG, ZWO ASI174mm mini

  • Camera : ZWO ASI2600mm (Gain 100, -20°C)

  • Exposure : Total : 95 min

L : 100 x 30 sec (baader L filter)
 RGB : each 30 x 30 sec (baader RGB filter)
Dark, Flat, Dark Flat, Bias : nothing

  • Software : PixInsight, Lightroom