Basic object information
Name: Do 42
Type of object: Open cluster
Size: 11.0'
Number of stars: 20
Object classification: IV 2 p n

Catalog position for epoch J2000.0
Right ascension: 20h 19m 42.0s
Declination: +38 08' 00"

Constellation: Cygnus

Observer: Iiro Sairanen
Obs. place: Lakasenpelto, Imatra, Finland
Date/Time: 16/17.10.2003 21:15

Telescope: 16" Dobson f 4.5

Magn: 244x


Field: 12'

NE Lim.mag: 5.0

Background sky: 4

Seeing: 4

Height: 63
Visuality: I

Weather: random clouds, 70% moon 7 above horizon in NE, +4C

Poor and scattered open cluster in Cygnus. Not special at all.