Iiro's DeepSky Sketches

Name: NGC 654Other name: OCL 330
RA: 1h 44m DEC: +61° 53'
Constellation: CAS
Type: Open cluster
Magnitude: 6.5
Size: 5.0'
Number of stars: 60
Brightest star: 7.4
Classification: II 3 m
Description: Cl,iF,Ri,1*6.7m
Notes: H VII 46,In Cas OB8?,50* mags 11..14
Observer: Iiro Sairanen
Location: Lakasenpelto, Imatra, Finland
Date: 2/3.11.2004 19:30
Instrument: Newton 110/805 mm
Magnification: 64xFilter: -
Field: 47'Seeing: 2
Background sky: 4NE lim mag: 5.1
Visuality: IIHeight: 65°
Weather: +3°C, 73% Moon is rising in NE
Description: 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.
Updated: 8.11.2004 20:43