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(IAAC) Obj: NGC2509 - Inst: 56CM, f/4.1, DOB
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Observation Poster: Jim Anderson <madmoon@bellsouth.net>
Observer: Jim Anderson
Your skills: Intermediate (some years)
Date/time of observation: 01152002/22:05EST
Location of site: Phelps Lake, NC (Lat 35:44, Elev 20')
Site classification: Rural
Sky darkness: 8/10 <1-10 Scale (10 best)>
Seeing: 7/10 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 56CM, f/4.1, DOB
Magnification: 154x
Filter(s): None
Object(s): NGC2509
Category: Open cluster.
Class: II 1 p
Constellation: Pup
Data: mag 9.3v size 8.0'
Position: RA 08:00.7 DEC -19:04
Description:
154x - The cluster is bright against the background. There is a promanent arc or stars across the North and another arc south of the center with the cusp toward the north. The brighter stars create a 3-D effect. They seem to float in front of the dimmers stars. There are 70 cluster members, per SkyMap Pro 6.0.
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