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(IAAC) Obj: Basel 1 - Inst: 4.5" Homemade Dobson reflector, f/8



  Observer: Ante Perkovic
Your skills: Intermediate (some years)
Date/time of observation: August 12th 2003, 1.00h
Location of site: Tugare, near Split, Croatia (Lat 43.4 N, Elev 250m)
Site classification: Rural
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, 48x, 79x
Filter(s): None
Object(s): Basel 1
Category: Open cluster
Class:
Constellation: Sct
Data: mag 8.9  size 9'
Position:
Description:
  25x: Not visible.
  48x: 3 to 4 stars pop in and out. Averted vision brought up a faint 
close double.
  79x: Very faint and small nebulosity, probably close double seen on 48x.

The cluster was 29 deg above the horizon.