Basic object information
Object name: NGC 6939
Object type: Open cluster
Magnitude: 7.8
Size: 10.0'
Number of stars: 80
Magnitude of brightest star: 11.9
Object classification: I 1 m
Description: Cl,pL,eRi,pCM,*11..16
Notes: H VI 42;Gal N6946 38' SE

Catalog information
RA (J2000.0): 20h 31m 30.0s
Dec (J2000.0): +60 40' 00"
Constellation: Cepheus

Observer: Iiro Sairanen
Obs. place: Ania, Pirkkala, Finland
Date/Time: 16/17.9.2009 0:20

Telescope: Newton 300/1500 mm

Magn: 214x
Field: 23'
Background sky: 2 (21.1)Visuality: I

Filter: -
NE Lim.mag: 6.7
Seeing: 2
Height: 75

Weather: +7C

A moderate open cluster nearby galaxy NGC 6946. Stars are 11 mag and fainter. The brightest stars lie on the south-part.