The Pencil Nebula In Vela (NGC2736)
A supernova remnant in the constellation Vela.
With Hyper Star at focal lengths of 300mm and 540mm, I managed to get some shots thanks to High Speed, but with a focal length of 2000mm, it was a complete failure. This time, I finally managed to get something that looks somewhat decent (though the tips aren't perfectly clear).
There's a thin interstellar cloud in the background, so instead of Lumi, I used IR685 to increase the number of stars.
The sky above Vela is quite something with all sorts of things going on.
There's a thin interstellar cloud in the background, so instead of Lumi, I used IR685 to increase the number of stars.
The sky above Vela is quite something with all sorts of things going on.
ほ座にある超新星残骸
焦点距離300mm,540mmのHyper StarではHigh Speedのおかげで何とか撮れたが、
焦点距離2000mmは全滅だった。今回はやっとそれらしく撮れた(先端とかクリアではないけど)。
背景に薄い星間雲がるので星はLumiの代わりにIR685で星数を増してみた
ほ座の空はいろんなものがあり大変なことになってるな。
Place: Astropical@CSky Observatory Saraburi Thailand (Bortle Class 3, Moon Phase 24.3%)
Shot Date:13th / Apr / 2026 20:22 (UTC+7)
TS TSRC10T Carbon Truss Prime Focus (250mm F/8 f/2000mm)
Filter: Optolomg Ha,Oiii 3nm,SVBony IR685,RGB Sets
IR685 :5X120Secs Total 10minutes
R :5X120Secs Total 10minutes
G :5X120Secs Total 10minutes
B :5X120Secs Total 10minutes
Ha:21X 300Secs Total 105 Minutes
Oiii:21X 300Secs Total 105 Minutes
Total 4hours 10minutes
Palette: Target HOO
Star IR685-RGB
Gain: 200 , Offset 5
CCD: Player One Artemis-M Pro Bin2
Mount :iOptron CEM70G
De-Rotator : Wanderer Mini V2 (90 Deg)
Guide: SVBony 60mm F/4, QHY290C.
Controler: NINA
Pre-Processing APP Drizzle Droplet 0.9 Scale 1.0 (North-Top)
Post-Processing PI,Affinity
Shot By Taro Seki Astropical.uk

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