| (87) Sylvia | Result | Rotation Period : 0.215984 +/- 0.000002 day Amplitude : 0.273 +/- 0.005 mag, |
 |
||
| Observational date: 2006-Dec, 24, 25, 2007-Jan,05,08 (4 nights) Zero time of the graph: 2006 Dec, 24.45044 day (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. Remarks : |
||