Basic object information
Name: NGC 4631
Type of object: Galaxy
Magnitude: 9.2
Surface brightness: 12.6 mag/sq arcmin
Size: 15.2'x2.8'
Position angle: 86
Object classification: SBcd
Description: vB,vL,eE70,bMN,* att n
Notes: H V 42;P w NGC 4627 @ 2.5'

Catalog position for epoch J2000.0
Right ascension: 12h 42m 11.4s
Declination: +32 32' 38"

Constellation: Canes Venatici


Observer: Iiro Sairanen
Obs. place: Lakasenpelto, Imatra, Finland
Date/Time: 12/13.4.1999 23:20

Telescope: TAL-1 N110/805mm

Magn: 96x

Filter:

Field: 25'

NE Lim.mag: 6

Background sky:

Seeing: 3

Visuality:
Weather:

Sikarin muotoinen hehku, jossa kirkas ja laaja-alainen ydin. Himmeä tähti heti ytimen pohjois-puolella.

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