Basic object information

Object name: Basel 11B
Object type: Open cluster
Magnitude: 8.9
Size: 10.0'
Number of stars: 12
Magnitude of brightest star: 11.5
Object classification: II 2 m

Catalog information

RA (J2000.0): 05h 58m 12.0s
Dec (J2000.0): +21 58' 00"

Constellation: Orion

Observer: Iiro Sairanen
Obs. place: Härskiänsaari, Ruokolahti, Finland
Date/Time: 15/16.12.2006 3:45

Telescope: Newton 457/2280 mm

Magn: 183x


Field: 16'

NE Lim.mag: 6.3

Background sky: 2

Seeing: 2

Height: 39
Visuality: I
Weather: -1C, random clouds, windy

An obvious but very poor cluster of 12-15 mag stars.