Basic object information
Object name: NGC 3147
Object type: Galaxy
Magnitude: 10.6
Size: 3.9'x3.5'
Position angle: 155
Object classification: Sbc
Description: vB,L,R,vgvsvmbM
Notes: H I 79;vBN;many filam. narrow arms in lens

Catalog information
RA (J2000.0): 10h 16m 54.0s
Dec (J2000.0): +73 24' 00"

Constellation: Draco

Observer: Iiro Sairanen
Obs. place: Härskiänsaari, Ruokolahti, Finland
Date/Time: 30/31.1.2009 0:00

Telescope: Newton 457/2280 mm

Magn: 326x


Field: 15'

NE Lim.mag: 6.9

Background sky: 2 (21.34)

Seeing: 3

Height: 74
Visuality: I
Weather: -20C

An interesting galaxy which is elliptical in NW-SE direction and has clearly brighter core in the middle. There is a weak brighter area on the halo's NE part with averted vision. Also little detached round patch can be seen on the NE side of the galaxy.