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(IAAC) Obj: NGC654 (in moonlight) - Inst: 120mm f/8.33 refractor




Observer: Ante Perkovic
Your skills: Intermediate (some years)
Date/time of observation: March 15th 2003
Location of site: Perkovic, near Sibenik, Croatia (Lat 43.5 N, Elev 200m)
Site classification: Rural
Sky darkness: 5.3 <Limiting magnitude>
Seeing:
Moon presence: Major - gibbous or near object
Instrument: 120mm KONUS refractor, f/8.33, equatorial ("Lukrica")
Magnification: 100x
Filter(s): None
Object(s): NGC654
Category: Open cluster
Class:
Constellation: Cas
Data: mag 6.5  size 5'
Position:
Description:
Very small "nebulosity" (haze of unresolved stars), with 3
individual stars visible.

NGC654 is just 1' to 2' N of bright (mag 6 or 7) star HD10494. 
HD10494 is in the northermost pair of stars that form an arch
of 4 star-pairs that curves around NGC663.