... I would like to add my voice to those who are mourning to loss of Maxim Tarasenko. ... Maxim was born in Protva, in the Kaluga Region south of Moscow on 20 June 1962. ... This was just one of many international speaking engagements of his. ... The list of papers and international places is too long to go into at this point. ... My first trip to Moscow was in 1995, and Maxim kindly made arrangements for me for transportation and access to a number of space program related facilities in the Moscow...

... Home Observing North South Lake, Haines Falls, NY . ... North South Lake, Haines Falls, NY . ... The Amateur Astronomers Association has an agreement with the New York State Department of Environmental Conservation that allows us to have observing sessions at North-South Lake , located in Haines Falls, New York, in the Catskill Mountains.€аThis is an exceptionally dark location for deep-sky observing. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

. Webcams . Networking . Weather . Power . System health . Measurements . Sky status at Sun Apr 10 00:24:00 2016 is Clear Sky status at Sun Apr 10 00:24:00 2016 is Clear . Copyright 2007 2013.

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

СОЛНЕЧНАЯ СИСТЕМА . Астрономия - зрелый период . ... Планеты Солнечной Системы (астрономия и исследования космоса) . ... МАРС . ... 14 июля 2015 г. Зонд Новые Горизонты пролетел около Плутона, карликовой планеты Солнечной системы. ... Объявление для Любителей Астрономии и авторов: Для авторов - если у вас имеется интересный материал о планетах Солнечной системы, то вы его можете прислать на e-mail: lobandrey@yandex.ru , для ознакомления и после проверки он будет размещен в подходящем разделе. ...

... Contacting and discussing with people sharing your interests, participating in night sky observations with telescopes as well as a large choice of astronomical books, magazines and video-tapes out of our club library. ... A reasonable compromise for observing both planets and brightest deep sky objects ( nebulae, galaxies) are either a 4 to 8 inch mirror telescope ( Newton, Schmidt-Cassegrain ) or a 3 to 4 inch refracting ( lens) telescope. ... Where can I buy a telescope in Luxembourg ? ...

... The Volga Region Centre of Aerospace Education (VRCAE) (PoTsAKO) invites students and teachers to take part in the summer aerospace School that is carried through within the programme "The development of aerospace education in Russia as a new direction of complementary education". The organizers of the School are the Ministry of general and professional education of Russia, the Russia Youth Aerospace Society "Soyuz", the Administration of Nizhny Novgorod Region and PoTsAKO. ...

Prague, August 16, 2006 . To start a new GCVS edition (presumably an electronic one), combining the stars of the GCVS IV and Name Lists (and maybe eventually merged with automatic-survey variables), we need to revise the GCVS classification system. ... Our approach: the classification scheme must be simplified, more detailed classification should be given in specialized catalogs for particular types, but the GCVS classification should take into account new astrophysics. ...

. Webcams . Networking . Weather . Power . System health . Measurements . Sky status at Sat Apr 9 22:28:00 2016 is Clear Sky status at Sat Apr 9 22:28:00 2016 is Clear . Copyright 2007 2013.