(IAAC) Obj: M26 - Inst: 4.5" Homemade Dobson reflector, f/8

Ante Perkovic albireo at vip.hr
Mon Aug 9 10:42:45 EDT 2004


  Observer: Ante Perkovic
Your skills: Intermediate (some years)
Date/time of observation: July 18th, 2004. 0:50h
Location of site: Konjevrate, near Sibenik, Croatia (Lat. 43.6 N, Elev. 
450m)
Site classification: Rural
Sky darkness: 6.5 <Limiting magnitude>
Seeing: 9.5 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 4.5" Homemade Dobson reflector, f/8 ("babydob")
Magnification: 28x, 53x, 87x
Filter(s): None
Object(s): M26
Category: Open cluster
Class:
Constellation: Scutum
Data: mag 8.0  size 15'
Position:
Description:
28x: Very small, moderately bright nebulosity, 3' in diameter. One star
  (I later found it to be of mag. 9) is significantly brighter than the
  others. 3 more stars (mag=10) and faint nebulosity are also visible.
53x: I see 6 stars inside 3', with faint nebulosity in the background
87x: 7 to 8 stars, no nebulosity, no granulation.




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