Basic object information
Object name: NGC 2309
Object type: Open cluster
Magnitude: 10.5
Size: 5.0'
Object classification: II 2 m
Description: Cl,pL,pRi,mC,st13
Notes: H VI 18

Catalog information
RA (J2000.0): 06h 56m 06.0s
Dec (J2000.0): -7 10' 00"

Constellation: Monoceros

Observer: Iiro Sairanen
Obs. place: Los Cancajos, La Palma, Spain
Date/Time: 31/1.4.2008 22:10

Telescope: Newton 110/805 mm

Magn: 115x

Filter:

Field: 43'

NE Lim.mag: 6.0

Background sky: 4

Seeing: 3

Height: 48
Visuality: III
Weather: +17C, scattered clouds

This sketch has been made from our hotel's backyard just for fun. Limiting magnitude and seeing were pretty bad but temperature was nice. There are about 30 stars visible in this cluster.