Basic object information
Name: NGC 1023
Type of object: Galaxy
Magnitude: 10.5
Surface brightness: 11.4 mag/sq arcmin
Size: 8.1'x3.4'
Position angle: 87
Type of object: Galaxy
Object classification: E-S0 B
Remarks: ARP 135

Catalog position for epoch J2000.0
Right ascension: 02h 40m 24.1s
Declination: +39 03' 46"

Observer: Iiro Sairanen
Obs. place: Lakasenpelto, Imatra, Finland
Date/Time: 14/15.11.2001 20:00 UT

Telescope: 16" Dobson f 4.5

Magn: 244x


Field: 13'

NE Lim.mag: ~5.0

Background sky: 4

Seeing: 2

Transparency: 4
Weather: Clear, -3C

Melko kirkas galaksi. Näkyi helposti.

Pretty bright galaxy. Easy to see.