Basic object information

Object name: NGC 654
Object type: Open cluster
Magnitude: 6.5
Size: 6.0'
Size: 5.0' Number of stars: 60
Magnitude of brightest star: 7.4
Object classification: II 3 m
Description: Cl,iF,Ri,1*6.7m
Notes: H VII 46;In Cas OB8?;50* mags 11..14

Catalog information

RA (J2000.0): 01h 44m 00.0s
Dec (J2000.0): +61 53' 00"

Constellation: Cassiopeia

Observer: Iiro Sairanen
Obs. place: Lakasenpelto, Imatra, Finland
Date/Time: 2/3.11.2004 23:10

Telescope: Newton 110/805mm

Magn: 64x

Filter:

Field: 47'

NE Lim.mag: 5.1

Background sky: 4

Seeing: 2

Height: 65
Visuality: II
Weather: +3C, 73% Moon is rising in NE

About 5' of diameter, very compact and compressed cluster. Stars are 11 mag and fainter. There is a 7th mag star on the south side. There are a lots of unresolved members on the background. Fuzzy and granular ball with averted vision.

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