Note: this is an archived version which has been superseded. The current SNR catalogue is at

G166.0+4.3 VRO 42.05.01

Radio: Two arcs of strikingly different radii.
Optical: Nearly complete ring.
X-ray: Predominantly in SW.
Distance: HI indicates 4.5 kpc.


Last updated: 13 Aug 1998

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Dave Green/MRAO, Cambridge, UK/