(IAAC) Obj: NGC6633 - Inst: 4.5" Homemade Dobson reflector, f/8

[Ante Perkovic]

Observation Poster: Ante Perkovic <albirejo_without_j at vip.hr>

Observer: Ante Perkovic
Your skills: Intermediate (some years)
Date/time of observation: August 18th 2003
Location of site: Kasjuni beach, Split, Croatia (Lat 43.5 N, Elev 0m)
Site classification: Suburban
Sky darkness: 5.0 <Limiting magnitude>
Seeing:
Moon presence: None - moon not in sky
Instrument: 4.5" Homemade Dobson reflector, f/8 ("babydob")
Magnification: 25x
Filter(s): None
Object(s): NGC6633
Category: Open cluster
Class:
Constellation: Oph
Data: mag 4.6  size 27'
Position:
Description:
Quite elongated cluster with 20 to 30 moderately bright stars. Almost
all stars in the cluster have the same brightness. Reminds me of M48.
Great cluster for wide-field eyepiece!