... A non-linear relationship is observed between the sky brightness on clear and overcast nights, with a change in behavior near the rural to urban landuse transition. ... The great variation in skyglow radiance observed from site-to-site and with changing meteorological conditions underlines the need for a long-term international monitoring program. he introduction of artificial light has caused an unprecedented disruption to the nighttime environment over large areas of the Earth. ... Data processing...
Общая Астрономическая Конференция > Форумы общей направленности > Любые вопросы от новичков > Помогите найти . ... Просмотр полной версии : Помогите найти . ... A total of 373 objects was found which yielded a surface density of 8.6 UVX/deg/sup 2/ with B< or approx.^=20 mag.^ ... The surface density in this region is 7.2 UVX/deg/sup 2/ at Bapprox.19 mag and approximately a factor of 2 larger than the one found by Savage and Bolton (1979) in two 25-deg/sup 2/ fields near the SGP.^ ...
... KENTAUR . ... HOME . ... ABOUT LOMO . PRODUCTS . ... NIGHT VISION DEVICES . ... Home Products Night Vision Devices Kentaur . See the world differently with the Day/Night Vision Scope — Kentaur . Half Night Vision Scope, Half Telescope — Kentaur is the choice, day or night — 24 hours a day! ... Combination Day/ Night Vision Scope . Day” Channel : features LOMO’s world-renowned Maksutov design utilizing mirrors, instead of lenses . ... NIGHT… . ... 847) 215-8800, Fax: (847) 215-9073 . ...
Russian version of HP . ... StarCalc is the fastest professional astronomy planetarium & star mapping program for Windows 9x/ME/NT/2000/XP (StarCalc version for PocketPC computers you can found here ). ... Extensibility : This program is based on common "Plugin StarCalc interface to catalogs and object groups", which allows program to add new modules as Plugins. ... Welcome to the Pocket StarCalc Home Page: . ... Some bugfixes in eclipses" and line" plugins - see the new versions in downloads page. ...
Introduction The suggested invention relates to attitude control system of a spacecraft. ... Systems without interaction with ambient (Systems with jet engines) Here, for instance, we can put systems, which can generate torque because of jettisoning any particles or gas. ... The main element of the suggested attitude control system is an electrical motor, which main feature is absents of a stator. ... 3 Block diagram of an attitude control system on a jet engines base. ... It is a system with| | ...
[
Текст
]
Ссылки http://www.cosmoworld.ru/spaceencyclopedia/publications/el_motor%2003engl.doc -- 59.5 Кб -- 07.03.2005 Похожие документы
... Тhis new concept touches our simple lives, yet for those intrigued by the natural sciences, especially experts deeply engaged in the 'eternal' questions of general geology and astronomy, it is all the more fascinating. The problems to be faced by any theory for the formation of the Solar System . Any theory has to account for certain rather tricky facts about the Solar System. These are in addition to the obvious facts that the Sun is at the centre with the planets in orbit around it. ...
... Астрофорум - астрономический портал ? ... Астрономические наблюдения (Модераторы: LeMay , Александр Репной , Грудцын Алексей ) ? О визуальных наблюдениях . ... Ответ #60 : 26.08.2005 [12:11:09] ? ... Согласно последней редакции NGC для этой галактики: . B Magnitude: 12.9 . ... при визуальных наблюдениях ориентируемся на последнее число (визуальная зв. величина), при фотографических (ч/б) - на первое (зв. вел. в голубых лучах). ... Galaxy . ... NGC 7600 . ... NGC 7600 MCG -1-59- 19 . ...
Solar Physics (2006) 233: 89-106 DOI: 10.1007/s11207-006-2850-y C Springer 2006 ON THE POSSIBLE CONNECTION BETWEEN PHOTOSPHERIC 5-MIN OSCILLATION AND SOLAR FLARE MICROWAVE EMISSION A. G. KISLYAKOV and V. V. ZAITSEV Institute of Applied Physics, Nizhny Novgorod, Russia (e-mails: agkis@appl.sci-nnov.ru; za130 Dynamic spectra of low-frequency modulation of microwave emission from solar flares are obtained. ... PHOTOSPHERIC 5-MIN OSCILLATION AND SOLAR FLARE MICROWAVE EMISSION 93 Figure 2. ...
B-tree code on c. Version of A.N.Krutiakov (added new types of data). Aladin.jar . conVOT.jar . HalphaSky.fits . Pallas.tsv . Topcat.jar . Voplot.jar . Astronomical Software Documentation Service . Back
... Поход в Турцию, 29 октября - 8 ноября 2015 . Поход в Армению, 14 - 29 августа 2015 . Поход в окрестности Нижнего Новгорода, 30 апреля - 4 мая 2015 . ... Поход в Крым, 12-21 октября 2012 года . Поход на Кавказ, 18 июля - 1 августа 2012 года . Поход в Белоруссию, 27 апреля-3 мая 2012 года . Лыжный поход в Ловозерские тундры (Кольский полуостров), 7-18 марта 2012 года . Лыжный поход на Белое море, 1-9 января 2012 года . Поход в Крым, 14-23 октября 2011 года . ...
... GRIN lenses for telecommunication optics applications ? GTC (gradient telecom) lenses. ... GTC lenses are used in different fiber-optic devices: collimators, couplers, isolators and WDM etc . ... 2.Diameter . GTC lenses diameters are 1.0 mm, 1.8 mm, 3.0 mm and 4.0mm. ... 1.0 mm -3.0 mm diam GTC lenses are supplied in 0.22P, 0.23P, 0.25P, 0.27P and 0.29P length. 4.0 mm diam GTC lenses are supplied in 0.11P length. ... GTC . ... 3 scratches with 5mkm max width and 200mkm max length are allowed . ...
Download Izmccd (~2.7 MB). ... a) a choice of the best mode of measurements of stars and objects ("Properties/Measurement"), . b) a choice of reference stars. ... 1) necessity of presence on an image of a plenty of stars (we recommend to apply this mode, if on the frame of reference stars is more 100) . ... Sx and Sy depend from residuals at all reference stars (reference stars are marked by blue color). ... These residuals are the image of the star a minus function of a profile for each pixel. ...
my home page . Field of research interest . High Energy Astrophysics, . Compton effect, . Gamma ray generation, . Pulsars . Position . PhD 2000 in Astrophysics . Department Number . 01 (Theoretical Astrophysics) . Postal Address . Astro Space Center . of P.N.Lebedev Physical Institute . of Russian Academy of Sciences . Profsoyuznaya St. 84/32 . Moscow 117997 . RUSSIA . Telephone Number . +7(495) 333 3366 . FAX Number . +7(495) 333 2378 . E-mail . masha@lukash.asc.rssi.ru . Last modified: 29 June 2007
GCVS Variability Types and Distribution Statistics of Designated Variable Stars According to their Types of Variability ======================================================================== I. GCVS Variability Types. ... Amplitudes usually do not exceed 0.1 mag. ... RR Variables of the RR Lyrae type, which are radially-pulsating giant A-F stars having amplitudes from 0.2 to 2 mag in V. Cases of variable light-curve shapes as well as variable periods are known. ... RV Variables of the RV Tauri type. ...
2 June 2006 2007-2009 Work Plan v1 2007-2009 WORK PLAN: TOWARD CONVERGENCE DRAFT 1 for Technical Review COVER NOTE The following is the first version for a three-year plan for GEO, 2007 to 2009. ... Page 1 of 38 2 June 2006 2007-2009 Work Plan v1 ACRONYMS ADM AMDAR AMMA APAN AVHRR CBD CEOS CERN DAPHNE DEM EC EPA EPIDEMIO FAPAR FDSN GEANT GEO GEOSS GIS GMES GOFC-GOLD GOS GPM GSN IGCO IGDDS InSAR INSPIRE IPY ITU MODIS NASA NGO NIEHS SAR SBA SPOT -VGT SST THORPEX UN UNFCCC COP ... Task No. ...
... Any of you who are new to the AAAP should take time to chat with one of the officers or other members of the club to find out more about our remote observatory up in the Jenny Jump State Park near Hope, New Jersey. ... What a night at Jenny. ... If you want to catch a few more glimpses there is a nice set of images on the Sky and Telescope web site under Aurora Delights. ... Another service is provided by Sky and Telescope at http://skyandtelescope.com/observing/ proamcollab/astroalert/default.asp. ...
[
Текст
]
Ссылки http://www.princetonastronomy.org/newsletters/octnewsletter.pdf -- 1209.7 Кб -- 27.04.2003 Похожие документы
... Local and Regional Coordinators, and OBSERVERS are needed for Friday night's spectacular Aldebaran Occultation and Graze Aldebaran is the brightest star, other than the Sun, that can be occulted by the Moon. ... Use your camcorder (or a borrowed camcorder) to record a strong local television station. ... Encourage other amateur astronomers, and other friends and relatives in the region of visibility to record the occultation with camcorders. ... This event is called an "occultation" by astronomers. ...
The Youth Space Center ( YSC ) was established in Bauman Moscow State Technical University (BMSTU) in 1989 to provide primary aerospace education for young people, stimulate youth creative research thinking, promote space science and technology achievements and develop cooperation with other youth organizations in the international aerospace community. ... BMSTU students can participate in such YSC activities as annual international workshop for space enthusiasts and Practical Cosmonautics course. ...