The Ring Nebula is a planetary nebula in the northern constellation of Lyra, about mid-way between the prominent stars Beta and Gamma Lyrae. It is also catalogued as Messier 57, M57 and NGC 6720. The nebula was discovered by Charles Messier in 1779. It has an apparent visual magnitude of 8.8, which is too faint to be visible with the naked eye, but it can be readily observed with a small telescope.
Object Designations: M57, Messier 57, NGC6720
Also known as: Ring Nebula
Constellation: Lyra
Object Type: planetary nebula
Distance: 2,570 light-years away
Magnitude: 8.8
Discovery: Charles Messier
Telescope: Celestron 9.25 SCT 2350 mm / f10
Camera: ZWO ASI2600 MC Pro – No Filter
Mount: Celestron CGEMII – With CPWI Software
Guiding: Celestron StarSense Autoguider
SharpCap Imaging Software
Processing Software
AstroSharp Ltd SharpCap
Pleiades Astrophoto PixInsight
Russell Croman Astrophotography BlurXTerminator
Russell Croman Astrophotography NoiseXTerminator
Russell Croman Astrophotography StarXTerminator
Stanley Dimant EZ Processing Suite
This final image is:
20 – 240 second subs at 100 gain, no filter
White Bal (B) = 39
White Bal (R )= 86
Brightness = 12
Camera Temperature = 19.3
LastPlateSolveData=Plate solve result was RA=18:54:44.5,Dec=+33:04:14 with mount at RA=18:54:49.4,Dec=+33:04:44, FOV 0.891×0.596 degrees, up is 89.85 degrees East of North
