... During all period of our investigations Dr. N.Sumzina from the Institute of Applied Astronomy of RAS had prepared the Numbered Minor Planet positions from MPC Database for our processing with kind permission of the Director of Minor Planet Center Prof. Braian Marsden. ... Our extensive processing of the MPC data allows us to conclude that CCD observations of the Numbered and Unnumbered Minor Planets have the errors, sometimes very crude. ...

Statistics of sunspot activity . ... The solar regions . ... NOAA 11300's . ... The description of the solar regions . ... The long bipolar group crossed the Sun disc since 25.01 to 5.02.02 along the low latitudes of the Northern hemisphere. ... The high latitude bipolar sunspots were observed in the Southern hemisphere since 27.01 to 30.01.02, in the Western part of the Sun disc. ... The fine bipolar sunspots were observed since 29.01 to 8.02.02 at the Eastern district of the big region 09802. ...

... Multiexposition 34 images Sun 1/1000 sec f/22 and 1 image background. ... It shows position of the Sun on the sky in the same time of a day during one year. Analemma - a trace of the annual movement of the Sun on the sky - is well known among experts of sun-dials and old Earth's globes as a diagram of change of seasons and an equation of time. ... Previously, the position of the Sun on the sky was calculated with computer as well as optimal moments of time for taking each of the exposures. ...