Messier 15 is a globular cluster in the constellation Pegasus. It was discovered by Jean-Dominique Maraldi in 1746 and included in Charles Messier's catalogue of comet-like objects 18 years later.
At an estimated age of 12500 million years, it is one of the oldest known globular clusters.

https://en.wikipedia.org/wiki/Messier_15

https://en.wikipedia.org/wiki/Giovanni_Domenico_Maraldi

Time: 22:54UT 2026-08-19 Filter & Exp. R(20x30) G(20x30) B(20x30)Sec
Tel: C14 @ f/6.6 Camera ASI 174 MM Mini Mono @ +17°C 0.52"/pix Paramount GT-1100S

Time: 22:160UT 2026-08-19 Exp. 36 x 30 sec.
Tel: Meade 4" SC @ f/6.60 ASI662MC @ +24°C 1.77"/pix Paramount GT-1100S
Odd Trondal, My lucky Obs.code 238 (Uranium). Oslo Norway.