Basic object information
Name: Harvard 20
Type of object: Open cluster
Magnitude: 7.7
Size: 7.0'
Number of stars: 15
Magnitude of brightest star: 9.8
Object classification: III 2 p
Description: pL,lC,* 11...
Notes: 40 faint * in 12';has two centers

Catalog position for epoch J2000.0
Right ascension: 19h 53m 06.0s
Declination: +18 20' 00"

Constellation: Sagitta

Observer: Iiro Sairanen
Obs. place: Lakasenpelto, Imatra, Finland
Date/Time: 21/22.8.2003 0.05

Telescope: Dobson 406/1830mm

Magn: 146x

Filter:

Field: 21'

NE Lim.mag: 5,7

Background sky: 3

Seeing: 3

Height: 45
Visuality: I
Weather: +11C

Köyhä joukko, jossa 2 noin 9 mag tähteä ja parikymmentöä himmeämpää.

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