HFG 1 & Abell 6(Capt. Kang)

a sea jelly in the Red sea / Heckathorn-Fesen-Gull 1 (HFG1) & Abell6 ( Hangyeol Kang ) - Astrobin 

• Photographer  : Capt. Kang 

• Date : 21st Sep, 22nd Sep, Sep 29th, Sep 30th, Oct 7th, Oct 8th, Oct 28th, Oct 29th, Nov 4th, Nov 5th, Dec 27th, Dec 28th, Dec 29th 2022​-

• Place : Seoul(bortle 9), Gimpo(Bortle 5-6), Inje(Bortle 3), Hongchen(Bortle 3)

• Telescope : RASA 8 

• Coma corrector : Paracorr type 2

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

• Guide Camera : 174mm Mini

• Camera : 294mm pro (-10 ~ -20 deg) / Gain 120 & 150 - Filter : Baader RGB 36mm & Ha / O3 Ultra-Narrowband 3.5/4nm 

• Exposure:

• R - 15s x 256 = 1hr 4min, G - 15s x 250 = 1hr 2min, B - 15s x 252 = 1hr 3min

• Ha - 180s x 527 = 26hrs 21min, O3 - 180s * 606 = 30hrs 18min 

• Total : 59 hrs 48 min 30 sec

• Software : Pixinsight and PS