1 DATE 2002.01.27 STAR : TYC 2898 02776 ASTEROID : (8433) BRACHYRHYNCHUS 2 OBSERVER : Name Stefano Sposetti Abbr: SPS Address 6525 Gnosca - Switzerland E-Mail spo@bluewin.ch 3 OBSERVING STATION : Nearest city Bellinzona Latitude 46° 13'54" N Longitude 9°01'30" E Altitude 260 m. 4 TIMING OF EVENT : No occultation observed 5 TELESCOPE : Newtonian Aperture: 40 cm. CCD equipped Mount equatorial with motor drive OFF (star trail method) 6 OBSERVING CONDITIONS : Atmospheric transparency: fair (blossom eye limiting mag: 2,5) Star image stability: good Wind : none Temperature: +2°C 7 ADDITIONAL COMMENTS :I made 8 CCD 90-seconds images star trails during the intervals: 19:58:27 -19:59:57 UT 20:00:08 -20:01:38 UT 20:01:49 -20:03:19 UT 20:03:30 -20:05:00 UT 20:05:11 -20:06:41 UT 20:06:53 -20:08:23 UT 20:08:.34 -20:10:04 UT 20:10:15 -20:11:45 UT Incertitude +- 1 sec.