The Leo II Dwarf Galaxy (しし座の2番目の矮小銀河)PGC34176

A very faint and dark dwarf galaxy.
A few years ago I photographed the LEO I dwarf galaxy just north of Regulus, and although it was dark, but it was dense enough to be reasonably visible.
LEO II looks like a faint open cluster with an exposure of about 2 hours.
It looks like it has to be taken in a good sky.

数年前にRegulusのすぐ北にあるLEO I 矮小銀河を撮影したことがあるが、それは暗くはあったが、密度がありそこそこ見ることができた。
LEO IIは2時間程度の露出ではまるで淡い散開星団のようだ。

Place: Backyard East Pattaya (Bortle Class 6, Moon Phase 100.0%)
Shot Date 6th / May / 2023 21:15 (UTC+7)
TS RC10 Truss  (250mm,F/8.0,f/2000mm)
filter: SVbony LRGB Filter set

L: 20X120Secs 40minutes
R: 20X120Secs 40minutes
G: 20X120Secs 40minutes
B: 20X120Secs 40minutes

Total 2 hours 40 minutes

Palette: Target :LRGB
Gain: 200 BIN1 Mono
Mount :iOptron CEM70G
Guide: SVBony 60mm F/4, QHY290C (Dithering every 5 shots)
Pre-Processing APP  Drizlle None
Post-Processing PI,PS  (resampling 50% by PI)
Shot By Taro Seki