Basic object information

Object name: M 1
Popular name: Crab Nebula
Object type: Supernova remnant
Magnitude: 8.4
Size: 6.0'x4.0'
Surface brightness: 11.0
Description: vB,vL,E135,vglbM,r
Notes: Crab Nebula;Rosse saw filaments;cent pulsar 16 mag; 3C144

Catalog information

RA (J2000.0): 05h 34m 30.0s
Dec (J2000.0): +22 01' 00"

Constellation: Taurus

Observer: Iiro Sairanen
Obs. place: Salo-Issakka, Imatra, Finland
Date/Time: 7/8.2.2007 22:15

Telescope: Newton 110/805 mm

Magn: 94x


Field: 32'

NE Lim.mag: 6.0

Background sky: 3

Seeing: 3

Visuality: II

Height: 46

Weather: Chilly, -28C

A very easy supernova remnant in Taurus. Appears as a blurred and shelvy S-letter which is somewhat brighter in the middle.