(IAAC) Obj: Struve 750 - Inst: Orion 6" Dob

Observer: William L.Schart
Your skills: Intermediate (some years)
Date/time of observation: 1/9/00 10:31 PM CST
Location of site: Killeen, TX (Lat 31, Elev 820)
Site classification: Suburban
Sky darkness: 4.5 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: Orion 6" Dob
Magnification: 48x, 72x, 120x
Filter(s): none
Object(s): Struve 750
Category: Multiple star.
Constellation: Ori
Data: mag   size 
Position: RA :  DEC :
Easily located in a group of stars that forms the top part of the
“sword.” There are 3 stars in a flat triangle, this is at the
uppermost end. Also, there is a nearby Y-shaped asterism that almost
directly points to this pair. Couldn't split at lower powers, barely
split at 72x in momentsx of good seeing, clearly split at 120x.
Both members appear blue. A very tight pair only a few seconds apart
and the secondary is quite faint. For these reasons I did not attempt
a measurement.
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