M57 Ring nebula
Messier 57 or the Ring Nebula is a planetary nebula in the northern constellation of Lyra.
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