... 13 December 2003: First image with new 355-мм telescope ( Подробнее ) . 29-30 october 2003: Aurora on Moscow Sky - video! This film was obtained using special wide field video-camera working in optical and near infrared ranges between 23h 29.Oct.2003 and 04h 30.Oct.2003 (GMT+3). ... Optical aftergow GRB030329 (first image in Europe - 5 h after GRB) . Laguna and Triffida Nebulae . Photo Slefogt-Rihter camera by Gennadiy Borisov . Extra Large Image 5,4 M . ...

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 . ...

Symbolic circuit-matrix processor and evaluator . ... This software is reliable over the range of benchmark circuit complexity (both *.CIR and *.MAT file). ... SYMBOL is a symbolic-algebra package which in contrast to REDUCE, MACSYMA, MAPLE, MATHEMATICA, MathLAB, MathCAD and other known multi-purpose systems is especially intended for analysis of any lumped, linear, time-invariant circuit. ... pure ASCII text . ... CIRSYM - SYMbolic CIRcuit processor used to format ASCII text file *.out for CALCSYM. ...

... Home Education Astro Answers Astro Answers ? Icy Visitors: Comets and ISON . ... Astro Answers . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Jaclyn Avidon is a member of the Board of Directors of the Amateur Astronomers Association of New York, the Chair of the AssociationтАЩs School Outreach Committee, and an instructor for the AssociationтАЩs classes. ...

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