Lectures . ... Home Lectures Lecture Series 2009-2010 . ... Lecture Series 2014-2015 . Lecture Series 2013-2014 . Lecture Series 2012-2013 . ... Lecture Series 2009-2010 . ... Clear Sky Chart . ... Beyond New York City . ... Lecture Series . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Supernova discovery statistics for 1999 . ... Sorted by Name For the year 1999 , 198 supernovae and 11 extragalactic novae were reported. 198 of these supernovae were named by CBAT, 0 were given possible supernova designations, and 0 were not reported to CBAT. 49 supernovae were found in NGC/IC galaxies, 84 were found in named galaxies 64 objects were discovered by amateurs 0 were brighter than 13th Magnitude 21 were brighter than 16th Magnitude 65 were brighter than 18th Magnitude 115 ...

. В&K : Статьи и литература : . И.А. Климишин. Заметки о нашем календаре . История нашего календаря . И сказал Бог: да будут светила на тверди небесной, . для отделения дня от ночи, и для знамений, . и времен, и дней, и годов... И создал Бог два светила великие: . светило большее, для управления днем, . и светило меньшее, для управления ночью, и звезды. И поставил их Бог на тверди небесной, . чтобы светить на Землю, . и управлять днем и ночью, и отделять свет от тьмы. И увидел Бог, что это хорошо. И был

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... StarNavigator Series . ... These telescopes come with all necessary equipment in the box and feature an altazimuth mount that allows for easy and quick viewing. ... StarNavigator 130mm Altazimuth Reflector with AudioStar . ... Meade StarNavigator 130mm reflecting telescope #20130. ... The StarNavigator 130mm reflecting telescope features a lens diameter of 130mm (5.1") for clear, bright images and a focal length of 1000mm; focal ratio f/7.7. ...

Next: CCD Operation Up: Charge Coupled Devices (CCDs) Previous: Charge Coupled Devices (CCDs) . ... However it is only now that a number of important X-ray astronomical applications of CCDs have reached critical development stages, so that this is an appropriate time to review the application of space-borne CCD instruments to cosmic X-ray astronomy, and highlight the particular concerns which are being addressed for X-ray instruments, as distinct from optical applications. ...

... ARC 3.5m | ... 2.1 Choosing and Exposure Time . 2.2 Choosing the CCD Gain . ... 3.2 Read Times and Read Noise . ... At the slow read rate of 100 KHz to be used for exposure times longer than a few seconds, we determine an average read noise of order 3.7 ? ... Table 2: Exposure time must be greater than the readout time by at least 0.03 s. The Agile CCD camera has two readout amplifiers, one of which is capable of reading at the fast readrate of 1MHz while introducing a read noise of order 7 ? ...

Astronomical Data Analysis Software and Systems VII ASP Conference Series, Vol. ... Integrating the ZGSC and PPM at the Galileo Telescope for On­line Control of Instrumentation F. Pasian, P. Marcucci, M. Pucillo and C. Vuerli Osservatorio Astronomico di Trieste, 34131 Trieste, Italy Email: pasian@ts.astro.it O. Yu. ... The two CD­ROMs make for relatively slow access times. ... The ZGSC and PPM catalogs will be accessed by means of the GUIDARES and XSKYMAP for a number of di#erent purposes including: . ...

... Observatory . ... THE HISTORY OF AAAP . ... After introductory remarks by Robert Sanders, founder of the Association, it was moved that the name of the organization be Amateur Astronomers Association of Princeton. ... 2/72 First issue of Sidereal Times, so named by Editor Roxanne Tobin. ... 5/72 Election of officers: Norman Sperling, Director; John Church, Assist. ... Sidereal Times, John gives the following report: . ... Sidereal Times.) ... Amateur Astronomers Association of Princeton Т? 2015. ...