(IAAC) Obj: Sigma Sco - Inst: 4.5" homemade Dobson reflector, f/8

  Observer: Ante Perkovic
Your skills: Intermediate (some years)
Date/time of observation: August 20th 2003, 21.40h
Location of site: above Sevid, near Trogir, Croatia (Lat 43.5 N, Elev 200m)
Site classification: Rural
Sky darkness: 6.0 <Limiting magnitude>
Moon presence: Minor - crescent or far from object
Instrument: 4.5" homemade Dobson reflector, f/8 ("babydob")
Magnification: 25x, 48x
Filter(s): None
Object(s): Sigma Sco
Category: Multiple star
Constellation: Sco
Data: mag 2.9, 9.2  size 20"
- 25x: Can't resolve it.
- 48x: Fainter component barely visible.
The star was 13 deg above the horizon.