Ian Dunbar
Messier 101
This is an image of the Pinwheel Galaxy, Messier 101, at around 170,000 light years in diameter and an estimated one trillion stars it's a large galaxy. It's a face-on spiral galaxy located in the constellation Ursa Major and is estimated to be around 21 million light-years away from Earth.
Location: West Midlands, UK
Scope: Orion Optics CT10 @f/4.8
Camera: Atik 460EX, Baader LRGB filters
Mount: CEM60-EC, OAG guiding
Integration: L - 40 x 300s bin x1, RGB - 12 x 300s each bin x2
Acquisition: SGP
Processing: PI and Photoshop
Messier 101
This is an image of the Pinwheel Galaxy, Messier 101, at around 170,000 light years in diameter and an estimated one trillion stars it's a large galaxy. It's a face-on spiral galaxy located in the constellation Ursa Major and is estimated to be around 21 million light-years away from Earth.
Location: West Midlands, UK
Scope: Orion Optics CT10 @f/4.8
Camera: Atik 460EX, Baader LRGB filters
Mount: CEM60-EC, OAG guiding
Integration: L - 40 x 300s bin x1, RGB - 12 x 300s each bin x2
Acquisition: SGP
Processing: PI and Photoshop