Globular Star Cluster In Centaurus (NGC5286,C84)

A globular cluster in the constellation Centaurus

A small globular cluster located southeast of the Omega Centauri star cluster.
It is said to be a star cluster formed by the impact of a galaxy that collided with our galaxy 8 to 10 billion years ago.
After finishing photographing the main target, I still had about two hours left, and
I thought the contrast with the 4.6 magnitude M Cen star just to the southeast would be interesting, so I took a picture.
The stars in the center appear faint, and the density of stars in the image is very low.
It is said to be the oldest globular cluster in the Milky Way galaxy, 12 to 12.5 billion years old, and contains a black hole.
Just adjusting the colors with SPCC resulted in a boring image, so I tried the red and blue boost effect that NASA sometimes uses with Hubble images.
Because it was at a low position, there were tree branches in the optical path, resulting in six spikes, similar to JWST.

ケンタウルス座にある球状星団

オメガ・ケンタウリ星団の南東にある小さな球状星団。
80−100億年前に私たちの銀河に衝突した銀河との影響で作られた星団だとのこと。
メインのターゲットの撮影が終わり、まだ2時間ほど時間があったのと、
すぐ南東に有る4.6等星のM Cen星とのコントラストが面白そうだったので撮影してみた。
中心部の星は淡いようで、写っている星の密度がとても低い。
天の川銀河の球状星団の中では最も古い球状星団で120億ー125億年の年齢で内部にはブラック・ホールも存在するそうだ。
普通にSPCCで色の調整しただけではつまらない写真になってしまったので、NASAがHabbleの写真で時々やる赤と青のドンシャリにしてみた。
低い位置なので光路に木の枝があり、JWSTのように6本スパイクになってしまった。

Place: Astropical@CSky Observatory Saraburi Thailand (Bortle Class 3, Moon Phase 80.0%)
Shot Date:7th / Apr / 2026 1:11 (UTC+7)
TS TSRC10T Carbon Truss Prime Focus (250mm F/8 f/2000mm)
Filter: SVBony RGB Sets
R :20X120Secs Total 40minutes
G :20X120Secs Total 40minutes
B :20X120Secs Total 40minutes

Total 2hours

Palette: Sky RGB
Star RGB
Gain: 200 , Offset 20
CCD: Player One Artemis-M Pro Bin2
Mount :iOptron CEM70G
De-Rotator : Wanderer Mini V2 (0 Deg)
Guide: SVBony 60mm F/4, QHY290C.
Controler: NINA
Pre-Processing APP Drizzle Droplet 0.9 Scale 1.0
Post-Processing PI,Affinity
Shot By Taro Seki Astropical.uk

C84_RGB-Edit01-Finish


NGC5286-RGB_1-crop-Edit01-Finish