Globular Cluster M15 in a Rich Hydrogen-Alpha Field

Image Title: M15

Copyright: Cédric Humbert

Date image was taken: August 30, 2025

Location: Texas

Data Acquisition Method: Other

Description and Details: Here is Messier 15 (M15), also known as NGC 7078, a spectacular globular cluster located in the constellation Pegasus.

It lies about 33,600 light-years from Earth and has a diameter of about 175 light-years.

With an apparent magnitude of 6.2, it is easily observable with binoculars, and even with the naked eye under a good sky.

Telescope: Takahashi FSQ-106EDX4
Camera: Player One Astronomy-M Pro
Mount: Zwo AM5
Accessories: Player One FHD-OAG MAX · Player One Phoenix Wheel 7x36mm
Filters: Antlia LRGB + H (3nm)
• H: 178 × 600s
• L: 101 × 300s
• RGB: 3 × 36 × 300s

Software:
Adobe Photoshop · PixInsight · Siril · GraXpert

HA LRGB version

Name: Cédric Humbert

Website or Facebook Profile: https://www.astrobin.com/users/diabolumberto/