... Advises . Contact Advises . As an advise for amateurs we would like to underline: if it's possible, try to observe 3 asteroid positions per night and do not neglect to observe the Numbered Minor Planets in your telescope field of view as a "by product" of your observational programs. ... We think such estimations ought to be produced every morning after CCD observations of the moving celestial objects by observer himself. ...

... При помощи калькулятора убедитесь, что следующая таблица заполнена правильно: LMe1 N LMe3 N n + 5 n2 + 5 n2 j j OP Q OP Q 1 1 2 2 3 5 3 4 7 4 6 10 5 8 13 6 9 15 7 11 18 8 12 20 9 14 23 10 16 26 11 17 28 12 19 31 натуральных чисел m и n должны быть выполнены неравенства m < k < k + 1 < m + 1 , 13 21 34 14 22 36 15 16 17 18 24 39 25 41 27 44 29 47 n < k < k + 1 < bg bn + 1g , которые мы преобразуем к виду m k < 1 < m +1 n 1 n +1 << , . ... Доказательство. ... Но такого для натуральных чисел не бывает!...

J/AstL/vol/page SAI Open Clusters Catalog (Glushkova+, 2009) ================================================================================ Automated search for star clusters in large multiband surveys. ... Color excesses E(B-V), distance moduli and ages were determined for 141 new and 27 known, but poorly studied clusters. We present the Sternberg Astronomical Institute Open Clusters Catalog (SAI OCL Catalog) of coordinates, diameters and main physical parameters of these clusters. ...