adapted from Observe: Eclipses, published in 1979 by the Astronomical League and "Safe Solar Filters," by B. Ralph Chou, Sky and Telescope, August 1981) . ... Tape TWO pieces of film together into a sandwich, and tape this over the opening in the cardboard. ... The cardboard frame will act as a shade from the bright Sun, while you safely observe through the film sandwich. ... Undeveloped film is not safe. ... tape . ... At the end of one of the tubes, tape the aluminum foil, and make a tiny pinhole. ...

... Description . ... The SCORPIO-2 project: . ... The multi-mode spectrograph SCORPIO-2 was developed using the experience of observations at the 6-m telescope BTA with the SCORPIO focal reducer . ... The focal reducer consists of several units ('floors') mounted in the common case in the following order (from the telescope focal plane): . ... The focal reducer is connected with the platform-adapter which used for guiding by offset stars and for illumination the spectrograph by calibration lamps. ...

neutral density filters . broad band filters (bandpass > 30nm) . ... Takes 50-mm square filters, up to 8-mm in thickness. Note: These filters are mounted in the slit mask wheel. ... The slit mask wheel pull down menu in the Remark DIS interface lists the filters and slits currently mounted in the wheel in the spectrograph. ... Will probably be able to accommodate 50-mm square filters, up to 20-mm in thickness (?) ... Takes 1.40-inch square filters, up to 0.315-inch in thickness. ...

... Made with Swarovski Elements - известный бренд, специализирующийся на производстве одежды и аксессуаров, украшенных кристаллами Swarovski. ... В нашей акции представлена богатая коллекция кожаных женских сумок, инкрустированных кристаллами.Артикул: 00_92_BLUE_JEANЦвет: синийСостав: 100% натуральная кожаОсобенности: кожаная сумка с двумя ручками на молнии, украшенная кристаллами Swarovski. ... Тип: Сумка . ... Сумки . ... Тип гриля: Электрический . ... Полезный объем духового шкафа: 66 . ...

... I have compiled a list of throughput filter curves from a variety of telescopes, instruments, and surveys. Click on the name of the filter to download it. The first line of each filter is the zeropoint for that filter. If the filter is in the AB system, it is listed as 0.0 (or in otherwords -48.55). ... Filter . Effective Wavelength . ... A_V . ... 0.987 . ... 0.050 . ...

Main Page Data Structures File List Data Fields Globals . Array element. More... #include < exchange.h > . char . ... diameter . double . ... Corresponds to one row of an OI_ARRAY FITS table. char _element::tel_name[17] . char _element::sta_name[17] . int _element::sta_index . float _element::diameter . double _element::staxyz[3] . The documentation for this struct was generated from the following file: . exchange.h . ...

... To overcome this limitation we propose Cryogenic Phase Locking Loop (CPLL).The CPLL has been developed for phase locking of a Flux-Flow Oscillator (FFO) in the SIR. ... The CPLL operating frequency has been increased from 400 MHz up to 4 GHz to decrease a loop filter delay to 0.5 ns. ... We have realized an integrating loop filter for the CPLL. ... Phase noise of the FFO phase-locked with: "1" ­RT PLL; "2" ­ CPLL without integrating loop filter; "3" - CPLL with integrating loop filter. ...

... Apply filter function ; fft_filter, template , dw, g_cen, g_sig, tempfilt COMMON fitsblock COMMON procblock COMMON xcorblock, ccfx, ccfy , ccf2y, ccf2n, nccf , afits, efits, template COMMON colorblock ;; Announce programme and options print, 'XCORRELATE, star , gplot' print print, 'Cross-correlate a series of spectra with a template ' print IF ( star eq 0) THEN $ print, ' star =', star , '; template = mean spectrum' IF ( ...

... 2016 January 25 . Where Your Elements Came From . ... Explanation: The hydrogen in your body, present in every molecule of water, came from the Big Bang . ... The carbon in your body was made by nuclear fusion in the interior of stars, as was the oxygen . ... Elements like phosphorus and copper are present in our bodies in only small amounts but are essential to the functioning of all known life . ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to E-ELT Armazones . ... Survey Telescopes . ... Images . ... Star Clusters . ... Usage of ESO Images and Videos . ... Usage of ESO Videos and Images . ... Stars@ESO . ... ESO Science Newsletter . ... Catch a Star 2013 . ... The pie-chart shows the starтАЩs composition: it is almost entirely made from hydrogen and helium with only a tiny trace of heavier elements. ...

Next: RSOG Pre-Observation Products . ... Mission Elements . ... The main mission elements (ME) are: . The RSOG, based at ASC, which is responsible for the science operation of the RadioAstron Mission. ... The Main Ballistic(Navigation) Center (MBC) belonging to Lavochkin Association coordinates preparation and exchange of orbit determination and orbit reconstraction ptoducts. ... Experiment codes of five characters are used in naming GRT related files. ... RSOG . ... Corr (GTS?) ... Corr (RSOG?) ...

To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...

. Input New Element: Entered element: . Number elements: . Filled array .

... Оборудование (Модераторы: LifeIsGood , Hornet ) > . Baader Protuberanz filter или фотографирование Солнца . ... Оффлайн . ... Благодарностей: 245 . ... 05 Декабрь 2009, 14:16:39 ? Где можно почитать о этом фильтре Baader Protuberanz filter с шириной пропускания 1.5A на 1.25". поиск не увенчался успехом.. ... Цитата: MAKsutik от 05 Декабрь 2009, 14:16:39 Где можно почитать о этом фильтре Baader Protuberanz filter с шириной пропускания 1.5A на 1.25". поиск не увенчался успехом.. ...

previous next contents attributes index . ... abbreviated form (e.g., WWW, HTTP, etc.) ... bold text style . ... large text style . ... table caption . ... table column . ... table column group . ... deleted text . ... directory list . ... heading . ... HTML . ... document root element . ... italic text style . ... form field label text . ... strike-through text style . ... small text style . ... table header cell . ... table header . ... teletype or monospaced text style . ... underlined text style . ...

... Астрофорум - астрономический портал ? ... Астрономическое оборудование и аксессуары (Модераторы: zlyden , Denk36 ) ? Light-Green & Violet Filters . ... Сообщений: 3 056 . Рейтинг: +12/-0 . ... 09.11.2006 [11:42:41] ? ... filter_set.jpg (65.09 КБ, 363x226 - просмотрено 120 раз.) . ... 47-H_violet.jpg (17.7 КБ, 344x260 - просмотрено 120 раз.) Записан . ... Сообщений: 2 768 . ... Ответ #1 : 09.11.2006 [11:43:32] ? ... Последнее редактирование: 09.11.2006 [11:47:33] от Вячеслав ? ...

... Plastic forming and welding of optical elements for laser technologies and optical telecommunications. A set of technological processes of manufacturing of optical elements with sophisticated profiles for laser technologies and optical telecommunications has been developed in the Institute of Solid State Physics . ... тАв€а to form optical surfaces with non-spherical and rather sophisticated profiles, improving essentially effectiveness of laser technologies and optical telecommunications; . ...

. Computer Ephemeris. Elements of osculating planetary orbits. Explanations. Each row contains at 0h of Time Dynamical Terrestrial of specified date in system of mean equator and ecliptic J2000.0 the ecliptic osculating elements of heliocentric orbit: inclination of orbital plane (degrees), longitude of ascending node (degrees), argument of perigelion (degrees), semimajor axis (astronomical units), mean motion (degrees per day), eccentricity (dimensionless), mean anomaly (degrees).

Общая Астрономическая Конференция > Все про астрономическое оборудование > Астрономическое оборудование > Baader Semi-APO filter . ... Просмотр полной версии : Baader Semi-APO filter . ... http://www.alpineastro.com/filters/filters.htm#SemiAPO . ... 15.12.2005, 08:38 . ... И получаешь EDшку из ахромата типа 120\600!! ... Это типа в пересоленый борщ сахару добавить. :mrgreen: . ...

... SSAU History . SSAU roadmap . ... Engineers of SSAU laboratory of additive technologies started to carry out experiments in the field of 3D-printing of metal parts, components and assemblies. The research of Samara scientists will allow producing highly complex and non-standard elements of spatial forms required for design and creation of advanced aviation and space technology. ... SSAU Laboratory of Additive Technologies is established in 2011. ... e-mail: ssau@ssau.ru . ...