(IAAC) Obj: M45 - Inst: Orion 10" DSE F/5.6

anonymous at sedna.atmob.org anonymous at sedna.atmob.org
Sat Jul 24 15:39:54 EDT 2004


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Observation Poster: Brian Carter <nairbretrac at hotmail.com>

Observer: Brian Carter
Your skills: Intermediate (some years)
Date/time of observation: 7-24-04
Location of site: Covington GA (Lat , Elev )
Site classification: Exurban
Sky darkness: 5.5 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: Orion 10" DSE F/5.6
Magnification: 56
Filter(s): LPR, UHC
Object(s): M45
Category: Open cluster. Reflection nebula.
Class: 
Constellation: Tau
Data: mag 1.6  size 110
Position: RA 3:47  DEC 24:07
Description:
Viewed at lowest power I had available, and still couldn’t get it all into the
 eyepiece, I really need a wider field.  I didn’t bother to could all the stars, but I was easily catching stars down to 12th or 13th magnitude tonight, so there were considerably more stars than in my refractor.  I have a picture I drew from my 70mm and a quick glance at it makes me laugh.  In the refractor I was actually able to count and draw all the stars I could see; that is almost futile here.  Nebulosity was glaring.  Around the primary stars at first glance it appeared that my eyepiece had dewed up and that there was reflection.  But the reflection nebula began to take familiar shapes seen in pictures, very wispy.  Between it and the blue/white stars it clearly had a light bluish tint.  I just kept coming back to it, because it was very beautiful.
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