... Hartmann Test Using a Screen With Four Holes 2 Hartmann test with four holes screen The theoretical concept of the primary aberrations measurement by four apertures Hartmann test introduced by "Malacara" * and "SalasPeimbert et. al. ... Black curve show the calculated coefficients for phase screens which have 8 modes of Zernike aberrations and red curve show the calculated coefficient for original phase screen. (a) astigmatism 45 (b) astigmatism 090 14 Coma Coma modes of Zernike aberration. ...

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• First Announcement
• Timetable
• Information

Электронная библиотека астронома-любителя. ... архив RSN . ... Ru.Space.News: . Апрель 1998 . ... Дата: 28 апреля 1998 (1998-04-28) От: Alexander Bondugin Тема: Cassini Update - April 26, 1998 Привет всем! ... The web site also contains some audio files, including a recording of the Mode-S beacon which plays for 20 seconds. ... During the period 1998-Mar-21 to 1998-Apr-15, excellent signals have once again been received from the 145.826 MHz beacon. ... The 435.025 MHz beacon is normally off. ...

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• Электронная библиотека астронома-любителя. RU.SPACE.NEWS - архив за 10 ноября
• Электронная библиотека астронома-любителя. RU.SPACE.NEWS - архив за 22 февраля
• Электронная библиотека астронома-любителя. RU.SPACE.NEWS - архив за 11 февраля

... Maps of six sources (0420+022, 0420-014, 1308+326, 1345+125, 1803+784, and DA 193) obtained with milliarcsecond resolution are presented and discussed, together with their broadband (1­22 GHz) spectra obtained on the RATAN­600 radio telescope at epochs close to those of the VLBI observations. ... The image (Fig. 5) shows that the source structure at 18 cm is compact, consisting of a VLBI core and two jet components, with the outer component lying 5 mas (30 pc) to the northwest of the core ( = 54 ). ...

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... 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 . ... The Board of Directors shall be the governing body of the Association. ... As soon as possible after the annual meeting of the Association (cf Article VII), and no later than May 31, the President shall convene a meeting of the Board of Directors, to which any new Directors-elect shall be specifically invited. ...

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• Observing Resources for Amateur Astronomers ? Part 4: Magazines and Miscellany
• Optical Surface Cleaning Procedure ? Amateur Astronomers Association of New...
• Why is the Moon so high (or so Low)? ? Amateur Astronomers Association of New

STARTEST IMAGES GALLERY . STARTESTING TELESCOPES WITH AN AUTOCOLLIMATOR . ... This website is a joint effort of Markus Ludes from APM-Telescopes and Cor Berrevoets ( Aberrator free startesting Software ). The site aims at explaining the different aspects of star-testing telescopes. ... Markus Ludes (APM telescopes) used a high quality 10" Maksutov Newtonian (Zygo tested at 632,8 nm with the following errors: 1/10.1 wavefront p.t.v. and 1/51 wavefront RMS) as collimator in single pass scheme. ...

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... Other Planned Activities Include Solar Observing Astrophotography Presentations and CCD Demo's Field Trip to AAAP Observatory at Jenny Jump Workshop: Learning to Use Your New Telescope Plus Swimming (life guards provided), Fishing, Volleyball, Basketball, Hiking, Game room Kayaking/canoeing (bring your own) on two lakes and nearby Pequest and Paulins Kill Rivers Registration Fees Camping and RV -- $35.00 per person ($45 after June 9) Bunkhouse -- $45.00 per ...

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• http://www.princetonastronomy.org/newsletters/03_2011sidereal.pdf
• http://www.princetonastronomy.org/newsletters/01_2010sidereal.pdf
• http://www.princetonastronomy.org/newsletters/04_2006sidereal.pdf

... Астрофорум - астрономический портал ? ... Горизонты науки о Вселенной (Модераторы: Дмитрий Вибе , AlAn ) ? Международный Астрономический Союз - Комиссия 4 . ... Случайны ли величины масс планет? ... Таким образом Международный Астрономический Союз - МАС: . ... А вот по-позже я Вам покажу совершенно "удивительные" парадоксы от "Международный Астрономический Союз - Комиссия 4": . ... вещества планет. ... Ответ #6 : 16.03.2007 [12:21:05] ? ... Причем тут горизонты науки? ...

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• Еще одна Новая в Змееносце! - Астрономические наблюдения
• Гравитация и температура - стр. 3 - Горизонты науки о Вселенной
• О визуальных наблюдениях - стр. 4 - Астрономические наблюдения

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. ...

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• Buran Screensaver_english
• Vadim P.Lukashevich. Prodecessor of Shuttle and Buran. Spiral orbital aircraft