Basic object information
Name: NGC 1857
Type of object: Open cluster
Magnitude: 7.0
Size: 6.0'
Number of stars: 40
Magnitude of brightest star: 7.4
Object classification: II 2 m
Description: Cl,pRi,pC,st7...

Catalog position for epoch J2000.0
Right ascension: 05h 20m 12.0s
Declination: +39 21' 00"

Constellation: Auriga

Observer: Iiro Sairanen
Obs. place: Lakasenpelto, Imatra, Finland
Date/Time: 20/21.12.2003 22:27

Telescope: Newton 406/1830mm

Magn: 146x


Field: 21'

NE Lim.mag: 5.0

Background sky: 4

Seeing: 4

Height: 66
Visuality: I

Weather: -13C

A poor open cluster which is hardly compressed. There is an orange star in the middle. About 25 stars.