DISCLAIMER: The larger the aperture, the more light a telescope will gather and the fainter the object you can see. Here is a range of magnitudes you might expect to see. Given excellent sky conditions and good optics, a well trained eye can sometimes add up to 0.8 magnitude to these values. Limiting Magnitude depends on much more than the instruments aperture. ... One formula is for aperture in inches the other is for aperture in millimeters. ... Aperture (inches) . ... 15.2 . ...

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... Solar Data: f.e. X-ray . Night Sky Live . ... Heavens-Above: Sky chart, Satellites, Iridiums and astronomical objects For Moscow For SAO Baksan . ... ESO-MIDAS page . ... Tutorials for Astronomy . ... Asteroid and Comet Hazard . ... Observable Comets: This page lists links to orbital elements and ephemerides of (potentially) observable comets. ... Leonid page - a lot of information for years Comets and Meteor Showers . The American Meteor Society . ... North American Meteor Network Home Page . ...

... Горизонты науки о Вселенной (Модераторы: Дмитрий Вибе , AlAn ) ? Новейшие исследования аномалий гравитации в лаборатории ЭТВЕША! . ... Трудно сказать наверняка, возможно недостаточная точность четырех описанных установок, возможно имеет место тот самый эффект, который описан в первоначальном сообщении, но не учтен в данных исследованиях. ... Anatoly Rykov! - аномалии абсолютных измерений G - Ваши мысли вслух?О ПОГРЕШНОСТИ АБСОЛЮТНЫХ ИЗМЕРЕНИЙ СИЛЫ ТЯЖЕСТИ, . ...

... Column Fmt Description ---------------------------------------------------------------------- 1 A1 Blank 2- 5 I4 Year (19__) 6- 8 A3 Blank 9-10 I2 Month 11-13 A3 Blank 14-15 I2 Day 16-17 A2 Blank 18-21 I4 Begin time 22-25 A4 Blank 26-27 I2 Number stations reporting an A event 28 A1 Letter A -- denotes very remarkable event observed 29-31 A3 Blank 32-33 I2 Number of stations reporting a B ...

АНОНС НАУЧНЫХ КОНФЕРЕНЦИЙ 1998-99 гг. ... An AAS Electronic Announcement Dear Colleague: NASA has approved development of a Wide Field Camera 3 (WFC3) for installation in the HST on the 2002 Servicing Mission. A Scientific Oversight Committee (SOC) is being established to ensure that the broad interests of the scientific community are represented in the development of WFC3. The primary task of the SOC will be to advise the HST Project and STScI in all areas of scientific performance of WFC3. ...