| 3169 Ostro |
Result | Rotation Period : 0.270674 +/- 0.000003 day Amplitude : 0.572 +/- 0.003 mag, |
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| Observational date: 2009-Feb, 17 21 26 Mar, 02 07 11 12 16 (
8nights) Zero time of the graph: 2009 Feb, 17.30000day (UT) Observational site: Hamanowa Astronomical Observatory (fukushima-pref, Japan) Telescope : Pellow telescope (D=400mm fl=1800mm Newtonian F=4.5 CCD camera : SBIG ST-8 Filter system : Idas-R (UBVRI) Dark and Flat : Dark-frame and Flat-field were corrected. Light time : corrected. Remarks : |
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