(IAAC) Obj: tau Leo and STF 1540 - Inst: Orion 6" Dob

Observer: William L.Schart
Your skills: Intermediate (some years)
Date/time of observation: April 9, 2000 9:27 pm CDT
Location of site: Killeen, TX (Lat 31, Elev 820)
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: Orion 6" Dob
Magnification: 32x, 48x, 98x
Filter(s): none
Object(s): tau Leo and STF 1540
Category: Multiple star.
Constellation: Leo
Data: mag   size 
Position: RA :  DEC :
Wide spread double easily split at any power. Located by star-hopping from theta via sigma. The primary was a nice golden color and the secondary appeared blue in contrast, although not as blue as Albiero. To the east was a triangular asterism and to the west was another pair, which I ID'ed as STF 1540. Separation for tau was 89", PA 177d. Separation on 1540 was 30:", PA 147d.
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