The Cocoon Galaxy (まゆ銀河) NGC4490,NGC4485
A galaxy that makes it difficult to tell whether it is processing a galaxy or a nebula.
There are some small galaxy blue dots around NGC4485 above, but the catalog number was unknown.
全くもって銀河をProcessingしてるのか、星雲をProcessingしているのかわからなくなる銀河。
上のNGC4485の周りにいくつか小さい銀河が青い点で写ってるが、カタログ番号は不明でした。
Place: Backyard East Pattaya (Bortle Class 6, Moon Phase 39.7%)
Shot Date 3days :7th,15th,21st / Apr / 2022 01:11 (UTC+7) Start
TS RC10 Truss Prime Focus(250mm F/8 f/2000mm)
filter: SVbony LRGB,Optolong Ha 3nm
Lum: 20X180 secs 60 minutes
Red: 7X180 secs 21 minutes
Green: 7X180 secs 21 minutes
Blue: 7X180 secs 21 minutes
Ha: 7X180 secs 21 minutes
Total 2hours 24 minutes
Palette: L-HaRGB
Gain: 120 Offset 30,BIN2
CCD: ASI294mm Pro
Gain: 10 Offset 76,BIN1
CCD: QHY183C
Mount :iOptron CEM70G
Guide: SVbony 60mm F/4 f/240mm , QHY 290C
Controler:NINA,PHD2 Dithering 5pix, 2 frames each
Pre-Processing APP (Drizzle X2.0, Droplet 0.8 )
Post-Processing PI,PS
Shot By Taro Seki Astropical.uk
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