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(IAAC) Obj: M103, NGC 581 - Inst: Celestar 8" SCT, fork mount



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Observation Poster: William L. Schart <wschart@hot.rr.com>
Observer: William L. Schart
Your skills: Advanced (many years)
Date/time of observation: 11/22/01 7:15 pm CST
Location of site: Killeen, TX (Lat 31 07, Elev 600 ft)
Site classification: Suburban
Sky darkness: 3.5 <Limiting magnitude>
Seeing: 8 <1-10 Seeing Scale (10 best)>
Moon presence: Minor - crescent or far from object
Instrument: Celestar 8" SCT, fork mount
Magnification: 78x
Filter(s): none
Object(s): M103, NGC 581
Category: Open cluster. Planetary nebula. Emission nebula. Reflection nebula. Dark nebula. Supernova remnant. Asterism. Multiple star. Variable star. Cluster of galaxies. Group of galaxies. Extragalactic HII. Extragalactic O-B. Extragalactic glob. Other.
Class: 
Constellation: Cas
Data: mag   size 
Position: RA 01:33  DEC +60:4`3
Description:
A nice little OC, wedge-shaped, or maybe for this time of year, Christmas tree shaped. I make about 20 stars. There is a pair at the top of the tree, a couple others at the corners (lower limbs), and a couple of brighter stars in the body - “tree lights.” The primary of the tree-top is blue, along with one corner. One of the lights is yellow and the other blue.
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