deep-sky
nebula (planetary)
M57 – Ring Nebula
Messier 57 also known as the Ring Nebula is a planetary nebula in the constellation Lyra.
This type of nebula is formed when a shell of ionized gas in expelled by a red giant star when it is passing through the final stage in becoming a white dwarf.
The nebula was discovered by French astronomer Charles Messier in January 1779.
The nebula lies at a distance of 2300 light-years and is an easy target in a moderately sized telescope.
Other / older versions :
Image information:
Object info
Name: M57 – The Ring Nebula
Type: Nebula (planetary)
Constellation: Lyra
Distance: 2300 ly
Date & location
Date: August 5, 2018
Location: Landgraaf, The Netherlands
Equipment & optics
Total integration: 2h12m
Camera: SBIG ST-8300M
Optics: Orion Optics SPX 10″ Newton
Mount: Losmandy G-11 Gemini
Image comments
Reasonably good conditions. Not much processing besides curves & level adjustments and high pass filter.
