M109 aka NGC 3992 is a barred spiral galaxy with a set of weak inner rings surrounding a prominant central bar.
It is located in the constallation Ursa Major at a distance of about 67 Million light-years from Earth.
Image acquisition and processing information:
Date: April 20th, 2023
Telescope 1: Celestron Edge HD 14" telescope using a Hyperstar v4 lens
Mount: Astro-Physics AP-1200 GTO CP3
Camera: ZWO ASI-2400MC Pro one-shot-color camera (gain 158)
Guiding: Telescope: AstroTech AT72ED, Camera: ASI-120 MM
Exposures: 66 one-minute exposures using a IR/UV cut filter
Image acquisition and guiding: ASIAIR Plus
Telescope 2: Celestron C11 telescope using a Hyperstar v4 lens
Mount: Celestron CGE Pro
Camera: ZWO ASI-6200MM Pro monochrome camera
Guiding: Telescope: Orion 60mm with helical focuser, Camera: ASI-120 MM
Exposures: 57 one-minute exposures using a IR/UV cut filter
Image acquisition and guiding: ASIAIR Plus
Image processing Software: PixInsight v. 1.8.9.1