Beskrivning
Asteroiden 1991TB1. Under en natt rör sig asteroiden tydligt. 48 individuella bilder sammansatta till en sekvens visar rörelsen i förhållande till stjärnorna.
GIF Animation composed of 48 individual frames
Time of observation : March 20 1999, 19.30 - 21.20 UT.
Telescope : Celestron 14 operating at f/7.
Mount : Software Bisque Paramount GT-1100
CCD : Apogee AP7. Each exposure 1 min. No filter.
Postprocessing with CCDSoft.
Note the satellite streak in the first image. The signal fading in parts of the sequence was caused by clouds.
Observer : Jan Sonnvik
