The Whale Galaxy (クジラ銀河) NGC4631,NGC4627

Last season,all the signal were squishy, and the power of the sea king "whale" wasn't there at all, so this season I'm processing with a focus on issues in that area.
It was Lucky that the red in the center was unexpectedly picked up.


Place: Backyard East Pattaya (Bortle Class 6, Moon Phase 26.7%)
Shot Date :6th / Apr / 2022 01:11 (UTC+7) Start
TS RC10 Truss Prime Focus(250mm F/8 f/2000mm)
filter: SVbony LRGB
Lum: 20X180 secs 60 minutes
Red: 7X180 secs 21 minutes
Green: 7X180 secs 21 minutes
Blue: 7X180 secs 21 minutes
Total 2hours 3 minutes
Palette: L-RGB
Gain: 120 Offset 30,BIN2
CCD: ASI294mm Pro
Mount :iOptron CEM70G
Guide: SVbony 60mm F/4 f/240mm , QHY 290C
Controler:NINA,PHD2 Dithering 5pix, 2 frames each
Pre-Processing APP (Droplet 0.8 Drizzle X2.0)
Post-Processing PI,PS
Shot By Taro Seki