... Liyong Liu (NAOC) . Site testing on seeing conditions of the astronomical observatories over China are briefly reviewed, including Xionglong station of NAOC, Gaomeigu station of Yunnan Observatory, Delingha station of Purple Mountain Observatory. ... PDF [3.0€аMB] October 8, 09:55 10:20 . ... In this paper, we will review the site survey activities in the past years, and present the site-testing results on the Oma site, including cloud cover, seeing, water vapor, transparency and sky brightness. ...

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...

La Tour Eiffel . La tour Eiffel construite en 1889 l'occasion de l'exposition Universelle organisee pour commemorer le centenaire de la Revolution de 1789 est aujourd'hui le monumant le plus connu de Paris. ... L'endroit d'ou l'on apprecie le mieux la Tour Eiffel disait un humariste de l'epoque c'est sa troisieme plate - forme ... on ne la voit pas". Aux yeux de Maupassant, la Tour Eiffel etait tres laid: " J'ai quitte Paris et m me la France parce que la Tour Eiffel m'ennuyait trop". ...

... The bright supernova (hereafter SN) in the galaxy NGC 4527 was first sighted by S. Knight (USA) on April 13.17UT at magnitude ~14.0v. The report of the sighting was subsequently forwarded by phone to the AAVSO. ... SN 1991T. The galaxy NGC 4527 is an Sb(s)II type galaxy with an apparent Blue magnitude of 11.32 (Shapley-Ames, 1981). ... An analysis of this event utilizing visual observations by amateurs, plus a light curve is presented.. ... THE LIGHT CURVE: . ... ISN SN 1991T web page . ...

... Bojan Nikolic web pages home . ... We have posted today three reports on ALMA phase correction performance when using the WVRGCAL program. ... Sarah F. Graves: WVRGCAL performance: early 2011 observations & smoothing, March 2012 . Marcel Clemens, The performance of wvrgcal тАФ The 4 quasar, band 9 experiment, uid A002 X2d1a7d X35b.ms , November 2011 . Marcel Clemens, The performance of wvrgcal тАФ The influence of self-cal, September 2011 . ... Copyright 2012, Bojan Nikolic feedback welcome ...

Ilya M. Chertok . A researcher of the Solar and Solar-Terrestrial Physics . ... by I. M. Chertok, A. V. Belov, V. V. Grechnev . ... by Chertok I. M., Grechnev V.V., and Meshalkina N.S. Astronomy Reports , Vol. ... Solar Events of October-November 2003 by IZMIRAN Radio Observations , . ... by I.M. Chertok, V.V.Grechnev, H.S. Hudson, and N.V. Nitta. ... by Chertok I.M., Fomichev V.V., Gorgutsa R.V., and Sobolev D.E. · Slowly Drifting Fine - Structure Radio Continuum of 4 April 2001 , by Chertok I . ...

... 2002 . I half-year . ... 2003 . ... 2004 . ... 2005 . ... 2006 . ... I half-year (pdf) . ... 2015 . ... Last update: 17/11/2015 ...

... The versatile and efficient INVERTOSCOPE? combines the highest optical performance with unsurpassed mechanical quality, and is backed by LOMO's unique lifetime warranty, the most comprehensive in the industry. ... A 15X focusing eyepiece with two interchangeable reticles (a 10mm/100div scale and a 10mm x 10mm/400sq grid) for convenient measuring and counting. ... A set of stage inserts and extension plates to accommodate a variety of sample vessels such as Petri dishes, flasks, microtest plates, etc...

... Sun as a Source of Perturbation of Near-Earth Medium and Solar System Bodies. ... Tidal Influence of the Sun on the Earth. ... Structure of Solar Atmosphere. ... Observing Manifestations of Solar Activity. ... Forecasting of Solar Activity. ... Influence of Solar Activity on the Structure and Dynamics of Terrestrial Atmosphere. ... Problem of Mechanism of Solar-Troposphere Connections. ... Phenomenons in Auroral Zones of the Earth as a Result of the Sun Influence on the Terrestrial Atmosphere. ...

Solving of the ACH Problem in the Project "Interplanetary Solar Stereoscopic Observatory" . ... Petersburg State University, St. Petersburg, Russia Abstract: . ... Very Long Baseline Interferometry (VLBI), Near Earth Objects (NEOs), Project "Interplanetary Solar Stereoscopic Observatory", ACH Problem, NEO-observation errors, accuracy of the distance to an asteroid, revolution period, maximal distance of the NEO, synchronous on-board long-focus astrograph observation, 3D-vector of the NEO's position. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualitГїs . des reportages . ... les plus belles images de l'Univers dГїcryptГїes pour vous . ... des pages consacrГїes Г la publication de vos photos Mais c'est aussi une vraie communautГї avec laquelle partager votre passion et nourrir votre curiositГї. Accueil Г? la une Voir l'univers, la rГїvolution en images . ... Figure de proue des tГїlescopes les plus performants au monde, Hubble a eu bien du mal Г voir le jour. ...

... OH, = 18 cm Nancay Radio Telescope, OH 18-cm line observations , since 1969 F, Jy 6 4 2 0 0 -1 -2 0 -1 -2 0 -2 -4 -6 30 40 50 1612 MHz I HU Pup August 5, 2009 1665 MHz 4 2 0 0.5 0.0 - 0.5 -1.0 -1.5 1.0 0.5 0.0 - 0.5 4 3 2 1 0 -1 1667 MHz I I 1.0 0.5 0.0 0.5 0.0 22-meter telescope, Pushchino Radio Astronomy Observatory H2O F, Jy 1.0 0.5 0.0 0.4 0.2 0.0 -0.2 -0.4 0.4 0.2 0.0 -0.2 -0.4 -0.6 0.6 0.4 0.2 0.0 -0.2 -0.4 -70 -60 -50 -40 -30 -20 -10 0 Mira-type star R Leo. ...

... As an obligatory preparing for the application a short report of National Olympiad of the current year has to be presented by the applicating team (see the necessary actual points of the report, its form and examples in the Supplementary Instructions N 10 ). ... For the countries, starting their activity at the International Astronomy Olympiad (see the Supplementary Instructions N 3 ), the requirements for the short report are not strong. ... The (age) groups are defined by rules 4.5.2-4., i.e.: . ...

Observing the World Around Us An Introduction for Teachers and Parents Our everyday experience of the world around us is an invitation to question and explore and wonder: s s During the day, we see a bright sphere called the Sun move across the sky. ... This is the essence of science: to be explorers of our own world, to engage ourselves in the Spirit of Inquiry by observing what is around us, asking questions and looking for answers that are consistent with our experience. ... Topics: Life cycles. ...

... Kulikov kulikov@karazin.ua History of Ukraine Department V.N. Karazin Kharkiv National University Teaching course Construction and deconstruction of Soviet human through everyday life experience 1 Modules and themes Theme 1. ... Soviet identity. ... Socio-economic development in the USSR in 1961-1985 years through the prism of everyday life. ... The proposed course aims attracingthe processes of forming the Soviet human through everyday life experience and the resistance to these processes. ...

... Recent Topics . ... MAO main . ... Fw: ASTRONET: Task 5.4 - observing schools . ... Subject: Re: ASTRONET: Task 5.4 - observing schools . ... second half of September, and which will be funded by the training and . ... www.iap.fr/opticon/neon_schools/2014/index.html . ... intended for master and starting PhD students. ... actions on observing schools, providing access for students, Master . ... observing schools for master students. ... in form of observing schools for pre-PhD students. ... MAO NASU...

... Seminar archive . ... Type Ia Supernovae (SNe Ia) have an important role to measure a distance to an anonymous galaxy because they have a good correlation of the decline rates of the light curves with the absolute luminosity. ... First, super-Chandrasekhar SNe which have extremely high luminosity, slow decline rate of the light curves, slow expansion velocity and strong carbon features. ... As another example of diversity of SNe Ia, I would like also to introduce Type Iax SNe. ... All seminars: . ...

Next: Mission Operations Data Transfer . ... VLBI Tape Management . VLBI Tapes . ... When: As soon as the correlator is satisfied with the correlator output. back to top . ... What: Each correlator will maintain a data base including the status of all VLBI tapes under its control. ... The correlators will distribute tapes to mission elements based on the Observation Summary File produced by the RSOG ( Observation Summary File ) to ensure each element has enough tapes to support SVLBI observations. ...

... 9) Oknyanskij V.L. 1994, "Optical-radio time delays in Q0957+561", Odessa Astronomical Publ., ... 11) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", in Proceedings of Int. Conf. ... 1994. 12) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", Astrophys. and Space Science, 222, p.157. ... 14) Oknyanskij V.L., van Groningen E., 1997, "Optical spectral variability of NGC4151 in 1990", Astronomical and Astrophys. ...