Messier 101

Copyright2022.Capt Kang.All right reserved

  • Photographer : Capt. Kang

  • DATE : 8th & 9th & 27th & 28th & 29th March , 1st & 2nd & 3rd Apr

  • Place : Gangwondo, S. South Korea(Bortle 3 - 4)

  • Telescope : TS-Optics 8" f/4 ONTC Carbon Tube Newtonian telescope

  • Reducer/Flattener/Coma corrector : Paracorr type 2

  • Tripod & Mount : RST 300 & 135 / Super mount CYG48RDL with RDL 120 Halfpier

  • Guide scope/camera : ZWO OAG L with 174mm Mini

  • Camera : 2600mm pro (-20 deg)

  • Filter : Baader LRGB 36mm & 3.5nm Ha

  • Exposure : Total : 31.5 hours

L - 30s x 535 = 268 min

60s x 305 = 305 min

R - 90s x 95 = 142 min

120s x 75 = 150 min

G - 90s x 91 = 136 min

120s x 80 = 160 min

B - 90s x 80 = 120 min

120 x 61 = 122 min

Ha - 360s x 81 = 486 min

  • Software : Pixinsight