M109 or NGC3992

Telescope: Astrosib RC250 @ f/6 f=1500mm
Camera: QHY9
Mount: Mesumount 2
Guiding: OAG with Lodestar
Exposure: 31x10min L + 9x10min R + 9x10min G + 9x10min B
Date: April 21st & 22nd, 2015
Location: Overijse, Belgium