M31 - Great Galaxy in Adromeda: central part LHa-RHa:G:B HDR composition of the Central Part of M31 Galaxy in Adromeda.

The Ha contribution has been used exclusively to enphasize the HII regions all around the halo of the galaxy.

RC-14” F/8,4
SBIG STX 16803
LRGB Filters Baader LHaRGB
Mount: Gemini Telescope Design - MOFOD Fork Mount

LHa-(RHa):G:B (60:180)-(10:180):10:10 (minutes)

SQM 21.4-21.5
Seeing: 1.7"-2.0"

Authors:
Image Acquisition: F. Antonucci -M. Angelini - F. Tagliani
Image Processing: Francesco Antonucci