(IAAC) Obj: Donner 832 (xi Oph) - Inst: Celestar 8" SCT, fork mount

Observation Poster: William L. Schart <wschart@hot.rr.com>
Observer: William L. Schart
Your skills: Intermediate (some years)
Date/time of observation: 7/11/02  12:21 pm CDT
Location of site: Killeen, TX (Lat 31 07, Elev 600 ft)
Site classification: Suburban
Sky darkness: 4 <Limiting magnitude>
Seeing: 8 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: Celestar 8" SCT, fork mount
Magnification: 80x, 120x, 165x, 200x
Filter(s): none
Object(s): Donner 832 (xi Oph)
Category: Multiple star.
Constellation: Oph
Data: mag 4.4-8.9  size 3.9"
Position: RA 17:21  DEC -21:07
This pair has me confused. At low power there was not much sign at all of duplicity, at mid power I thought I could get an occasional glimpse of the secondary, which was confirmed at high power. However, unless I was totally disoriented, it was in the opposite quadrant from where it should be, being to the SW rather the the NE.  Later on I had occasion to examine a DSS plate of this. It appears what I saw was a field star located near the line of sight and that I was not able to observe the true companion.
Optional related URLs: http://www.carbonar.es/s33/33.html
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