Visibility I / V
137725 (1999 XY111) Filmed on the second night of the October work. The description was made for the purpose of describing Finland 100 asteroids 1446 Sillanpää, 4 other asteroids were obtained. The main zone asteroid 137725 was found in the Linear Exploration Program at the Sorocco Observatory in New Mexico on December 7, 1999. 1Picture. first picture, measured 18: 59: 59UT 01h29m12.02s + 10d46'24.3 "18.2mag, Horizon 19: 00UT 01h29m12.07s + 10d46'23.1" 18.61mag.
2Picture. last picture, measured 19: 18: 51UT 01h29m11.15s + 10d46'19.0 "18.4mag, Horizon 19: 19UT 01h29m11.34s + 10d46'19.0" 18.61 mag.
Brightness calibration used for TYC 617-185-1 v.11.42mag stars.
Summary image with marked stack asteroids http://www.taivaanvahti.fi/images/uploads/201711/67983_a559c12f0fe4d64c08948ebe5ddac26b.jpg .