... 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...

... Sir, Maxim Vadisiavovich Tarasenko, a leading Russian independent space researcher was killed by a hit-and-run driver in May. ... In 1992, he published his ground-breaking book Military Aspects of the Soviet Cosmonautics - the first ever independent Russian study on the Soviet military programmes, which immediately became a best-seller and was sought by Russian-speaking space and weapons experts all round the world. ... US National Air & Space Museum . Volunteer Researcher . ...

... Remote Observing with the Keck Telescope: ATM Networks and Satellite Systems P.L.Shopbell, J.G.Cohen, and L. Bergman 1 California Institute of Technology, Pasadena, CA. ... As a technical demonstration project for the NASA Advanced Communications Technology Satellite (ACTS), we have implemented re­ mote observing on the 10­meter Keck II telescope on Mauna Kea from the Caltech campus in Pasadena. ... The ACTS network is being used to enable true remote observing, as well as remote eavesdropping. ...

... 03.32 AM - the first impulse is performed using the Progress M1-5 eight thrusters to construct the pre-descent orbit. ... maximal distance from earth surface - 219 km . minimal distance from earth surface - 188 km . ... 05.00.24 AM - the second impulse is performed using the Progress M1-5 eight thrusters to construct the pre- descent orbit. ... 08.08 AM - the final third breaking impulse is performed using a combination of the Progress M1-5 main engine and eight thrusters to deorbit Mir OC. ...

... supernova images . Supernova Search and . ... How to report a supernova discovery . ... General Supernova information When you are looking for information on the latest Supernovae, the first place to look (Besides the Bright Supernovae page ) is the Recent IAU Circulars page, Recent CBET Circulars and IAU 's List of Recent Supernovae and List of All Supernovae , as well as the Headlines page web page. ... Arcturus Observatory SN images . ... Joseph Brimacombe's supernova images New 2009/12/17 . ...

Super Rocket Targets . NPO MOLNIYA has been designing rockets-targets for over 30 years using the great experience in crea-ting anti-aircraft guided rockets (AGR) for C-25M. On the basis of B-300 anti-aircraft rockets which expired their service life, there were designed, tested and put into the serial production the following types of the rocket - ... The analogue of this system successfully passed the state tests with the ZVEZDA-4 rocket-target. ...

Тема : C/2014 A4 (SONEAR) _ CK14A040 _ S002239 object - 1-ая SONEAR (Southern Observatory for Near Earth Research) .. ... C/2014 A4 (SONEAR) _ CK14A040 _ S002239 object - 1-ая SONEAR (Southern Observatory for Near Earth Research) .. ... 11.11052 TT) обсерватория Southern Observatory for Near Earth Asteroids Research ( SONEAR Obs. ) в Oliveira (Brazil) (code Y00) 12.03-04p3 и 13.23-24p3 января 2014 года, El Catalejo Obs. 13.08-10p3 января 2014 года, Robert Holmes via Cerro Tololo Inter-American Obs. ...

... Оргкомитет 27 января 1998 г. ПРЕДЛОЖЕНИЯ О РАБОТЕ Date: Wed, 18 Feb 1998 20:44:43 +0300 (MSK) From: "Kim Iraida S. 939-2245" Subject: Employment opportunity in Colombia Dear colleagues, Prof. Benjamin Calvo (Bogota, Colombia) requested me about young Russian PHD who could join him for solar researches in Colombia. ... Please, let me know if you hear of astronomers who eventually want to work in Colombia, doing astronomical research and helping forming people in astronomy seriously. ...

The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. ... LIG acknowledges partial support from the European Commission's TRM Programme, "Access to Large-Scale Facilities", under contract ERBFMGECT950012 and the European Commission's TRM programme, Research Network Contract ERBFMRXCT 96-0034 "CERES". ... the US Naval Observatory (USNO) Radio Reference Frame Image Database (RRFID), . ...

... Астрофорум - астрономический портал ? ... Астрономическое оборудование и аксессуары (Модераторы: zlyden , Denk36 ) ? Manfrotto 701HDV . ... Сообщений: 1 548 . Рейтинг: +60/-0 . ... 25.12.2010 [11:29:05] ? Manfrotto 701HDV Pro Fluid Video Mini Head, давно хотел взять для птичек и вот решился. ... Не знаю кто в ответе за мелкую тряску, ЛХ, головка, штатив или хлипкий деревянный пол, думаю что последний. ... Записан . ... Ответ #1 : 25.12.2010 [11:29:44] ? ... Сообщений: 1 587 . ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Premi†иres images dтАЩun syst†иme plan†йtaire . ... Pour l'†йquipe dirig†йe par le Canadien Christian Marois, la d†йcouverte est encore plus spectaculaire : avec les t†йlescopes hawa†пens Gemini et Keck, les astronomes ont tir†й le portrait de tout un syst†иme plan†йtaire...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... Новости . ... NASA: на Марс полетит Linux . 20-09-2006 19:01 РОЛ . ... С этой новостью связаны: . ... Что увидел бы человек с борта марсианского орбитального зонда MRO . ... Американский зонд Mars Reconnaissance Orbiter (MRO) вышел на орбиту Марса 10 марта этого года. ... NASA открыло образовательный сайт для детей . ... NASA запустило специальный образовательный сайт для детей - NASA Kids. Сайт рассчитан на детей от 5 до 10 лет и разработан с целью развития их .. ... Карта сайта . ...

. VLBI Laboratory . VLBI topics: . AGN . Quasars . polarisation mapping . maser sources (OH, H 2 O, SiO) . interstellar scattering . radio supernova remnants in extragalaxies . intraday variability . space VLBI . Other fields: . methods and equipment of VLBI . interferometry observations . Pushchino VLBI station : . coordinates: . telescope RT-22(in Russian) . technical data . site of RT22(in Russian) . Webmaster Subaev I.A. Last update 23.Jule.2002.

... M. Makarov Yuzhny Machine-Building Plant (Yuzhmash), Production Association . Pavlograd Mechanical Plant, State Company . Dnipropetrovsk State Design Institute . Ukrainian Engineering Technology Research Institute, Public Company . ... State Research and Engineering Center for Space Technique Certification . Radio Measurement Research Institute, Public Company . ... Kurs Research and Production Complex, Public Company . ... Lviv Center NSAU-NASU Space Research Institute . ...

East Dubuque,Illinois, USA . Greetings from our East Dubuque School to Zelenogorsk. ... Our classes are in the high school link. ... East Dubuque is a small town of about 2,000 people. ... Our high school here in East Dubuque is also pretty small, it only has about 190 . ... I go to school in east Dubuque IL This is a very small town . ... I am now 16 years of age, and a junior at East Dubuque High School. ... I am a senior at East Dubuque High School. ... people in the town of East Dubuque. ...