... Measurements made of shadows can trace the path of the sun during the day. ... This chapter looks first at the phenomenon of shadows (how they are made), then uses measurements of shadows to track the motion of the sun across the sky. ... Topic 1: Light and Shadow . ... Try putting a pebble on the ground and asking the students to try to make a circle around it with the shadow of their fingers. ... One way to record the Sun's path is to track the shadow cast by a stationary stick. ...

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• The AstroStat Slog Blog Archive Make3D
• The AstroStat Slog make3D
• The AstroStat Slog solar images

... Home Articles Comet Hyakutake: The Great ?Earthgrazing? Comet of 1996 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... Comet Hyakutake: The Great "Earthgrazing" Comet of 1996 . 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 . ...

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• This Monthт??s Sky т?? April 2016 ? Amateur Astronomers Association of New York

... Media Files . ... There are media files (ppt, pdf of presentations shared by authors) on this page. ... Alexander Gusev (SAI), Boris Artamonov (SAI) . ... Maidanak Observatory by AZT-22 1.5m telescope observations (poster) . PDF [2.3?аMB] . ... PDF [692.6?аKB] . ... PDF [704.7?аKB] . ... Some results after 10 years of site testing at Concordia . ... Giant Magellan telescope site testing summary (poster) . ... Peter Scheglov - pioneer of site testing in the Central Asia (poster) . ...

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... LINKS . ... Founded in 1971 by a group of enthusiasts and star aficionados, our association is now counting more than 130 members.As a national association we attract hobby astronomers from the whole country to our regular night-sky observations and to the meetings in our club at Dudelange. ... Club News . ... by topic : PDF File Download (360KB) . by title : PDF File Download (640KB) . ... Article about AAL in "Le Quotidien" newspaper of Juli 21 2005 - PDF File Download (132KB) . ... SOME LINKS . ...

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Star Name . ... Crux) . ... Canis Major) . ... Centaurus) . ... Ursa Major) . ... Ursa Minor) . ... Orion) . ... Carina) . ... Canis Minor) . ...

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... Previous: Object-Oriented Experiences with GBT Monitor and Control . ... An overview of the Australia Telescope National Facility (ATNF) Parkes Multibeam Software is presented. ... The major software component is realtime, and uses advanced inter-process communication coupled to a graphical user interface, provided by AIPS++, to apply bandpass removal, flux calibration, velocity frame conversion and spectral smoothing to 26 spectra of 1024 channels each, every five seconds. ...

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• Robust, Realtime Bandpass Removal for the HI Parkes All Sky Survey Project
• Accessing Astronomical Data over the WWW using dat OZ
• Difmap: An Interactive Program for Synthesis Imaging

User catalogs allow you enter positions for your objects into a file, to save time during an observing run. ... Before diving into the details, here is an example: # default coordinate system and object # (these are the standard defaults, so if you like them you can omit this line) CSys=FK5; Date =2000; RotType= Object ; RotAng=0 # some random objects # Name Pos1 (e.g. RA) Pos2 (e.g. Dec) Options in keyword-value format NGC6543 rot 90 ... Object Data . Defaults . Catalog Options . ...

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... LUMAM . ... ABOUT LOMO . ... MICROSCOPES . ... Home Products Microscopes Lumam . ... LUMAM? microscopes include high-performance fluorescence filters specially developed by LOMO for fluorescence microscopy. ... It allows the attachment of all modules and components, such as the mechanical stage, condensers, objectives, filters, fluorescence cubes, mercury epi-illuminator and observation heads. ... The LUMAM Mercury Epi-Illumination is the standard light source system for research fluorescence. ...

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... 1 - 5 m HgCdTe Detector Material . Hybridization of 2048 x 2048 Arrays . ... Options for Extension to Visible Wavelengths . ... MBE HgCdTe Capability at Rockwell Science Center . ... Over the last two decades, dramatic improvements in the performance of 1 - 5 m infrared detector materials combined with the leap from single detectors to million pixel arrays have led to a billion-fold improvement in our ability to observe astronomical sources at these wavelengths. ...

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Разработка, исследование и изготовление мощных полупроводниковых лазеров, излучающих в диапазоне длин волн 800 - 1800 нм. ... 30-летний опыт работы по разработке и изготовлению полупроводниковых лазеров . ... Диапазон длин волн - 800 - 1800 нм . ... Ознакомление с физическими и технологическими принципами работы мощных импульсных полупроводниковых лазеров с интегрированным тиристорным переключателем . ... Мощные импульсные полупроводниковые лазеры - физические основы и практическое применение . ...

193. Amateur Telescope Makers of Boston

194. http://www.kiam1.rssi.ru/pubs/prep_2013_046.pdf