Lagoon is an emission nebula in the Sagittarius constellation. It is one of the most favorable objects to observe, owing to its high luminosity and large apparent size. There is also an open cluster inside the nebula, namely NGC 6530.
Telescope: GSO Newtonian
F: f/4
Focal Length: 800mm
Exposure: 16*1 min
Mount: EQ5 SynScan
Autoguiding: None
Camera: Canon EOS 50D modified
ISO: 3200
Filter: Orion SkyGlow Imaging Filter