(IAAC) Obj: NGC6604 - Inst: 4.5" Homemade Dobson reflector, f/8
Ante Perkovic
albireo at vip.hr
Mon Aug 23 10:47:41 EDT 2004
Observer: Ante Perkovic
Your skills: Intermediate (some years)
Date/time of observation: August 12th 2003, 0.02h
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): NGC6604
Category: Open cluster
Class:
Constellation: Ser
Data: mag 6.5 size 2'
Position:
Description:
25x: Just one bright star.
48x: 3 more faint stars, 2 to the W and 1 to the N of the bright star.
The faintest of those 3 stars was of 10.3 magnitude.
79x: The same 4 stars.
Later, I found out that all the other stars are fainter than mag 12.5.
The cluster is 90' N of M16.
The cluster was 27 deg above the horizon.
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