An Open Star Cluster - Messier 23

Messier 23 is a forgotten target by astrophotographers, hardly we see an image of it. The messier catalog has many attractive objects for imaging, perhaps M23 isn't between them, but for me, every single object is always a pleasure to register!

 

* Setup:

Telescope: Refractor Orion ED80

Focal Length: 600mm

Camera: QHY163M

Mount: SkyWatcher HEQ5 Pro

Filters: LRGB Optolong

 

*Exposure:

L: 42x 180s bin1x1

R: 14x 120s bin2x2

G: 10x 120s bin2x2

B: 15x 120s bin2x2

Total: 3.4 hours

Done