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Contains:  M 1, Crab nebula, NGC 1952
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M1, The Crab Nebula (RGB), 


            Ruben Barbosa
M1, The Crab Nebula (RGB)

M1, The Crab Nebula (RGB)

Technical card

Imaging telescope or lens:The Liverpool Telescope

Imaging camera:IO:O

Software:Maxim DL, Gimp

Resolution: 1836x1883

Bessell-B: 12x60"
Bessell-V: 12x60"
Sloan r': 12x60"

Integration: 0.6 hours job: 2335197

RA center: 83.633 degrees

DEC center: 22.018 degrees

Pixel scale: 0.303 arcsec/pixel

Orientation: 0.000 degrees

Field radius: 0.111 degrees


* Image acquisition by: The Liverpool Telescope.
* Processing: Ruben Barbosa.

The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant in the constellation of Taurus. Corresponding to a bright supernova recorded by Chinese astronomers in 1054, the nebula was observed later by English astronomer John Bevis in 1731. The nebula was the first astronomical object identified with a historical supernova explosion.

At an apparent magnitude of 8.4, comparable to that of Saturn's moon Titan, it is not visible to the naked eye but can be made out using binoculars under favourable conditions. The nebula lies in the Perseus Arm of the Milky Way galaxy, at a distance of about 6,500 ly from Earth. It has a diameter of 11 ly.

At the center of the nebula lies the Crab Pulsar, a neutron star 28–30 kilometres across with a spin rate of 30.2 times per second, which emits pulses of radiation from gamma rays to radio waves.

See also:



Ruben Barbosa
License: None (All rights reserved)


  • M1, The Crab Nebula (RGB), 


            Ruben Barbosa
  • Final
    M1, The Crab Nebula (RGB), 


            Ruben Barbosa

Sky plot

Sky plot


M1, The Crab Nebula (RGB), 


            Ruben Barbosa