Ruud de Vries - Dutch Backyard Astrophotography

Fighting light pollution.....

M57 Ring nebula

Messier 57 or the Ring Nebula is a planetary nebula in the northern constellation of Lyra.

Name and aliases M 57, HD 175353, NGC 6720
Common names Ring Nebula
Type Planetary Nebula
Coordinates 18:53:35.09 +33:01:44.8
Radial velocity -19.1 km/s
Magnitude 8.8 (V)
Size 3.0 x 2.4 (arcminutes)
Spectral type DA(O?)
Link Simbad
Link HyperLeda

M57 Ha + L

Telescope
Esprit 120ED APO Triplet
Camera
Atik one 6.0
Mount
Skywatcher Eq6-R
Flattener
TSFlat2,5
Guiding camera
Starlight Xpress Lodestar
OAG
TS 2" Off Axis Guider
Exposure
48 * 1200 sec Ha, 59 * 30 sec L (for the core), 20 * 1 min RGB (with TS 90/600)

Messier 57 Ring nebula

Telescope
TS 90/600
Camera
Atik one 6.0
Mount
Skywatcher HEQ5
Flattener
TSFlat2,5
Guiding camera
Starlight Xpress Lodestar
OAG
TS 2" Off Axis Guider
Exposure
120 * 120sec L filter, 12 * 120sec RGB

Messier 57 Ring nebula

Camera
Canon 60d (modded)
Telescope
TS 90/600
Mount
Skywatcher HEQ5
Flattener
TSFlat2,5
Guiding camera
Starlight Xpress Lodestar
OAG
TS 2" Off Axis Guider
Exposure
7 * 240 sec