Iiro's DeepSky Sketches

Name: IC 4996Other name: Cr 418
RA: 20h 16.5m DEC: +37° 38'
Constellation: CYG
Type: Open cluster
Magnitude: 7.3
Size: 6.0'
Number of stars: 15
Brightest star: 8.5
Classification: I 3 p n
Description: Cl,st 8...13
Observer: Iiro Sairanen
Location: Lakasenpelto, Imatra, Finland
Date: 20/21.10.2003 23:00
Instrument: Newton 406/1830 mm
Magnification: 244xFilter: -
Field: 12'Seeing: 3
Background sky: 3NE lim mag: 5.3
Visuality: IHeight: 50°
Weather: -3°C, random clouds
Description: A detached and strongly compressed cluster. Nice startrio in the center of cluster.
Updated: 8.11.2003 22:22