Crab Nebula

Crab Nebula

The Crab Nebula is a supernova remnant and pulsar wind nebula in the constellation of Taurus. The nebula was observed by John Bevis in 1731; it corresponds to a bright supernova recorded by Arab, Chinese and Japanese astronomers in 1054.

Distance to Earth: 6,523 light years
Age: 1,000 years
Magnitude: 8.4
Absolute magnitude: -3.1
Coordinates: RA 5h 34m 32s | Dec 22° 0.870'

Orion Nebula

Orion Nebula

The Orion Nebula is a diffuse nebula situated south of Orion's Belt in the constellation of Orion. It is one of the brightest nebulae, and is visible to the naked eye in the night sky.

Distance to Earth: 1,344 light years
Age: 3 million years
Magnitude: 4
Coordinates: RA 5h 35m 17s | Dec 5° 23.466'
Discoverer: Christiaan Huygens

Sombrero Galaxy

Sombrero Galaxy

The Sombrero Galaxy is an unbarred spiral galaxy in the constellation Virgo located 28 million light years from Earth. It has a bright nucleus, an unusually large central bulge, and a prominent dust lane in its inclined disk.

Distance to Earth: 29,350,000 light years
Magnitude: 8.98
Apparent mass: ~1 billion M☉