... Date : 26/07/2009 . Lieu : Soria, Spain . MatУ?riel de prise de vue : GSO Reflector 200mm f/4, Canon 350D, 21x300s@800iso . Commentaires : The Trifid Nebula (also known as Messier 20 and NGC6514) is an H II region with a remarkable collection of open cluster, emission nebula (the lower, red portion), reflection nebula (the upper, blue portion) and dark nebula (the septation within the emission nebula causing the trifid appearance, also designated Barnard 85). www.astronomica.es . ...
... Multiexposition 34 images Sun 1/1000 sec f/22 and 1 image background. ... It shows position of the Sun on the sky in the same time of a day during one year. Analemma - a trace of the annual movement of the Sun on the sky - is well known among experts of sun-dials and old Earth's globes as a diagram of change of seasons and an equation of time. ... Previously, the position of the Sun on the sky was calculated with computer as well as optimal moments of time for taking each of the exposures. ...
... Moon Phase below . ... ARTICLE: Why the moon always shows us the same face . ... Before you continue reading, you should know that this was not always the case, i.e. the Moon once was rotating with respect to the Earth, so that on every night a terrestrial observer (if there was one, because this was long, long before mankind appeared on our planet, and even before any major animals had appeared) saw another face of the Moon. ... Figure 1 (not to scale) shows how we can imagine the system Earth-Moon...
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. ...
... The solar regions . ... The description of the solar regions . ... The recurrent sunspots crossed the Sun disc since 2.03 to 14.03.03, along the mid latitudes of the Northern hemisphere. ... The fine bipolar sunspots were observed at the mid latitudes of the Southern hemisphere since 7.03 to 12.03.03, in the Western part of the Sun disc. ... The small bipolar group was observed at the 32rd parallel of the Northern hemisphere since 13.03 to 17.03.03, in the Western part of the Sun disc. ...
... B.V. Somov . head of the department . ... room 80 . ... senior research felow . ... research felow . ... research fellow . ... Our department performes the following most perspective studies: . Special analytical and numerical experimental investigations of the solar plasma involved in the magnetic reconnection process at the Sun. ... Head of the seminar: Prof. B.V. Somov. ... 27 September 2013 The Solar Physics Department was visited by journalists of the leading Russian TV channel "Vesti-1". ...
NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...
The Second U.S. Naval Observatory CCD Astrograph Catalog ( UCAC2 ) Table of Contents 1) Introduction 2) Summary of the Project a) Observations and Instrumentation b) Reductions of UCAC Observations c) Computation of Proper Motions 3) Properties of the Catalog and Important Notes For the User a) Sky Coverage b) Completeness c) Positions, Proper Motions and Error Calculations d) UCAC2 Magnitudes e) 2MASS Photometry f) Non-stellar ... All stars in the UCAC2 have proper motions. ...
... 8 s h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h h GSC / USNO-A2.0 A A A G A G A A A G A G A A G A A A G A G A A A A A G A A A A G G A A A A G A A A G A A A A A A A A A G G A G A A G ... -10884039 975-09978626 975-09980031 900-10928663 900-10939727 975-09994108 900-10948278 975-10003602 900-10962191 975-10012892 t ype LB RRA B RRA B SR: EB SRB EW RRA B EW LB RRA B LB RRA B SRB EW EW ... Variable in NSVS data. ...
... Звезды типа Миры Кита и полуправильные Среди пульсирующих переменных звезд поздних классов видное место занимают долгопериодические переменные звезды (ДПП). ... Изменения блеска мирид происходят более или менее регулярно, периоды большинства мирид находятся в интервале от 150 до 600 суток ( рис. ... В 4-м издании Общего каталога переменных звезд (ОКПЗ) ДПП (включая переменные типа Миры Кита, или мириды, и полуправильные переменные поздних классов) составляют самую многочисленную группу переменных. ...
... For reliable estimation of the accuracy of asteroid CCD observations we usually consider from ten or more various NUMBERED MINOR PLANETS (NMPs) observed during several nigths per month (more then 50 positions). ... They can be considered as an indicator of accuracy of the CCD positional observations with given MPC code. ... For any NUMBERED minor planet the (O-C) values must be zero if the errors of observations and the errors of its theory are absent. ...
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
... This is commonly referred to as CPM (cost per thousand impressions).We pay you a percentage of revenues for the ads that you and your friends view with Harry, based on current CPM rates.You will get 75% of total revenue generated from your viewing.. ... REMEMBER: for every one hour the program on Your screen You'll get paid $0.50. And when You recommend those program to Your friends, reffering to Your personal ID, You'll get paid $0.10 for every hour the program open on Your's friends computer. ...
... The author attempts to approach the problem from the positions of systems analysis with account for the ideological grounds and history of space activities in Russia and abroad, comparing its current interpretation with the initial goals posed by leading theoreticians and practitioners who stood at the cradle of the space exploration era. ... The space systems recognized in Russia as priority projects are largely developed with violations of the systems approach principles. ...
Новости компании PENTAR . ... Сразу три новых компакта от PENTAX . ... Эти компактные цифровые камеры соответствуют всем модным трендам по дизайну корпуса и могут стать отличным подарком для начинающих фотографов, а многообразием функций и качеством изображения приятно удивят профессионалов. ... Доступна новая версия микропрограммы 1.3 LightSwitch от MEADE . ... февраль (1) . ... июль (2) . ... апрель (1) . ... Компактные цифровые фотоаппараты . Зеркальные цифровые фотоаппараты PENTAX . ...
... Сегодня: 10 апреля 2016 г. Сотрудники университета штата Аризона разработали программу расчета последствий столкновения Земли с астероидами и кометами, которая так и называется Earth Impact Effects Program. Этот "калькулятор" они поместили в Интернет на специальном сайте, который находится здесь. ... На сайте есть также специальный раздел, где объясняются алгоритмы и методики всех этих расчетов. ... Калькулятор для расчета последствий столкновения Земли с астероидами . ...
Journal of Atmospheric and Solar-Terrestrial Physics Manuscript Draft Manuscript Number: ATP1021 Title: comment on the paper by Dalin , Pertsev and Romejko Significance of lunar impact on noctilucent clouds ( revised version) Article Type: Research Paper Section/Category: Keywords: Noctilucent clouds moon influence mesosphere Manuscript Region of Origin: Abstract: a critical review of the paper by Dalin , ... Reference: Dalin, P.A., N.N. Pertsev, V.A. Romejko. ...