Ruud de Vries - Dutch Backyard Astrophotography

Fighting light pollution.....

M33, Triangulum Galaxy

The Triangulum Galaxy is a spiral galaxy approximately 3 million light-years from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes the Milky Way, the Andromeda Galaxy and about 44 other smaller galaxies. It is one of the most distant permanent objects that can be viewed with the naked eye

The added value of an Ha filter is clearly visible in the animated gif.

Messier 33, Triangulum Galaxy

Telescope
TS 90/600
Camera
Atik one 6.0
Mount
Skywatcher HEQ5
Flattener
TSFlat2,5
OAG
TS 2" Off Axis Guider
Exposure
84 * 300sec L, 11 * 300sec RGB, 43 * 300sec Ha