The Southern Ring Nebula (南のリング星雲) NGC6563

QHY183C First Light
The Unity Gain of this CMOS is 10, and the 294C made by the same QHY is 1600.
ZWO's ASI294MC is 120.
I wonder if Gain can be standardized more.
A planetary nebula in the Milky Way in summer.

このCMOSのUnity Gainは10、同じQHY製の294Cは1600。

Place: Backyard East Pattaya (Bortle Class 6, Moon Phase 74.4%)
Shot Date :11th / May / 2022 03:51 (UTC+7) Start
TS RC10 Truss Prime Focus(250mm F/8 f/2000mm)
filter: Optolong L-eXtreme
L-eXt 59X60 secs 59 minutes
Total 59minutes
Palette: Manual RGB
Gain: 10 Offset 76 BIN1
Mount :iOptron CEM70G
Guide: SVbony 60mm F/4 f/240mm , QHY 290C
Controler:NINA,PHD2 Dithering 5pix, 3 frames each
Pre-Processing APP Drizzle X2.0 Droplet 0.8
Post-Processing PI,PS
Shot By Taro Seki