... More information on books, telescopes, clubs, etc. is available in the Getting Started section. ... For more information call 617-495-7461. Boston University Astronomy Department - Public telescopic observing is held every clear Wednesday night. ... Boston Museum of Science - For more information and admission prices call 617-723-2500. ... For information and admission prices call 508-929-2700. ... Springfield Telescope Makers , VT. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Ilya M. Chertok . A researcher of the Solar and Solar-Terrestrial Physics . ... by I. M. Chertok, A. V. Belov, V. V. Grechnev . ... by Chertok I. M., Grechnev V.V., and Meshalkina N.S. Astronomy Reports , Vol. ... Solar Events of October-November 2003 by IZMIRAN Radio Observations , . ... by I.M. Chertok, V.V.Grechnev, H.S. Hudson, and N.V. Nitta. ... by Chertok I.M., Fomichev V.V., Gorgutsa R.V., and Sobolev D.E. · Slowly Drifting Fine - Structure Radio Continuum of 4 April 2001 , by Chertok I . ...

. Name . Last modified . Size . Description . Parent Directory . - . EmbedHTML.zip . 24-Jan-2006 13:24 . 72K . Telescope_C++.zip . 24-Jan-2006 13:25 . 44K . ValidatorSetup_0_9_6.exe . 24-Jan-2006 13:32 . 807K . ascomC++Sample.zip . 24-Jan-2006 13:25 . 124K . dotnetTelescopeNSerial.zip . 24-Jan-2006 13:24 . 6.3K . Apache/2.2.14 (Ubuntu) Server at vega.inp.nsk.su Port 80

. A Perl module for accessing aviation weather information. Geo::ModMETAR is Perl module for accessing aviation weather information, normally reported in METARs. The code is distributed under the GNU Public License . Version 1.1 was released on 14 June, 2010 and based on Geo::METAR version 1.15. README . TODO . Documentation . Source via subversion . Latest Tarball .

Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...

... The weather throughout this year was so extremely favorable that I have been able to observe the Sun clearly on 312 days; however, I counted only 34 groups of sunspots.. From my earlier observations, which I have reported every year in this journal, it appears that there is a certain periodicity in the appearance of sunspots and this theory seems more and mo