Basic object information
Object name: NGC 643
Object type: Open cluster in SMC
Size: 1.5'
Magnitude: 13.5
Description: vF,pS,R,vglbM

Catalog informationpan>
RA (J2000.0): 01h 35m 00.0s
Dec (J2000.0): -75 33' 00"

Constellation: Hydrus

Observer: Iiro Sairanen
Obs. place: Nangerwalla, Mullewa, Australia
DatDate/time: 16/17.12.2009 21:10
Telescope: Newton 110/805 mm
Magn: 124x Filter: -
Field: 33' NE Lim.mag: 7.5
SQM: 22.0 (1) Seeing: 2
Visuality: V Height: 43
Weather: +17C, smoke  
A faint cluster, difficult to see.