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(IAAC) Obj: M46 - Inst: 12.5", f 4.8 Dobsonian



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Observation Poster: Paul Money <paul_ohstbucks>
Observer: Paul Money
Your skills: Beginner (< one year)
Date/time of observation: 12/15/02 1am CST
Location of site: Kansas City, MO (Lat , Elev )
Site classification: Suburban
Sky darkness: 4.0 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: Major - gibbous or near object
Instrument: 12.5", f 4.8 Dobsonian
Magnification: 59x,118x
Filter(s): OIII 
Object(s): M46
Category: Open cluster.
Class: 
Constellation: Pup
Data: mag   size 
Position: RA :  DEC :
Description:
A beautiful star cluster with literally hundreds of stars filling the field 
of view. I noted what seemed to be a faint glow in the southwest portion of 
the cluster. I tried the OIII filter to see if it would reveal any more
detail.  While it dimmed the cluster significantly, I was shocked to see a 
mini ring nebula pop clearly into view.  It looked like a dimmer and 
smaller version of M57.  At 118x, I thought I could see a central star, but 
it could have been a superimposed star from the cluster. This was a 
fun surprise!! The mini ring stole the show!!  
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