... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

INTEGRAL observations of SS433 : new results Anatol Cherepashchuk Sternberg Astronomical Institute, Moscow University, Russia In collaboration with: Rashid Sunyaev ... Eleonora Antokhina, Nikolai Shakura, Darja Kosenko, Elena Seifina,Sergey Molkov (IKI) 1 Overview · Introduction · · · · Observations Analysis of hard X-ray spectra Analysis of hard X-ray eclipses Discussion and conclusions December 26, 2007 ...

To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) METEOR OBSERVATIONS WITH MINI-MEGATORTORA WIDE-FIELD MONITORING SYSTEM S. Karpov, 1, 3 N. Orekhova2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Ivanov,2 E. Katkova,2 A. Perkov, and V. Sasyuk3 RESUMEN 2 Favor de prop orcionar un resumen en espanol. ... The faintest detected meteors has the peak brightness about 10 mag, while the ma jority - from 4 to 8 mag. ... 2010; Karpov et al. 2013; Beskin et al. ...

... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

... Today this year's largest group of sunspots will cross the Sun's central meridian. ... The next day, the number of spots in the group reached five, and the day after, on June 2nd, it was possible to count thirteen sunspots on solar disk, which had been clear prior to this. ... This year's two most powerful active areas, which passed across the solar disk at the beginning of May, 2009, are set to appear in the Sun's eastern sector in two days, on June 6th. ...

http://hubblesite.org/newscenter/archive/releases/1996/22/text/ Probing the mysterious heart of the Crab Nebula, the tattered remains of a stellar cataclysm witnessed more than 900 years ago, astronomers using NASA's Hubble Space Telescope have found that the Crab is even more dynamic than previously understood, based on a cosmic "movie" assembled from a series of Hubble observations. ... Because of this flickering, the neutron star is also called a "pulsar." ...

Text of these problems is available also in other languages : . ... What can one see in the Moon's sky more often - the Sun or the Earth? ... There are about of 250 millions of stars in the elliptical galaxy M32 (a satellite of Andromeda galaxy). ... The masses of Capella's components. ... You are proposed to estimate the masses of Capella's components, using our observational data. ... A galaxy's mass. ... Estimate the mass of FGC 1908 and compare it to the mass of our galaxy. ...

... Schubert calculus and Gelfand­Zetlin polytopes (with Valentina Kiritchenko and Vladlen Timorin), 32 pages, preprint, 2011. Available on arXiv:1101.0278. ... Springer fiber components in the two columns case for types A and D are normal (with Nicolas Perrin), Bulletin de la Sociґ ґ Mathґ ete ematique de France, to appear, 2011. ... Bruhat order for two subspaces and a flag, 30 pages, preprint, 2007. Available on arXiv:math/0704.3061. ... English translation: Moscow Univ. Math. ...

... 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: . ...

. Russion version . Last updated on May, 2008 . RadioAstron Mission .

... He was born in Cholmogory - a village where one generation before him saw the first Russian observatory and Lomonosov was able to use the angle gaude. ... But the atmosphere of Venus was so "rich" that no only during four last years of Lomonosov's life, but even two centuries after his death the astronomers didn't go far away from his investigations. 200 years exactly after "the star year" of Lomonosov in 1961 the Soviet spaceship - the first in the world went to Venus. ...

Cosmic Ray laboratory of . ... Neutron Monitor (Cosmic Ray Observations) . is situated in Irkutsk (Russia) . ... Height - location above sea level . ... Height: . ... For recording the CR (Cosmic Rays) neutron component at Irkutsk, . neutron monitor NM-64 is used, which is an installation with 18 two-meter proportional counters filled with BF 3 (boron trifluoride gas) in which the B 10 90 per cent of the total boron. ... The neutron monitor is located at 475m above sea level. ...

. Additional settings . Number of observations found: . 17 . ADS number: . 03353 . WDS number: . 04385+2656 . Components: . AB . All (17) . Photo (15) . CCD (2) . Epoch . JD . Separation . e(S) . N(S) . e1(S) . Pos.angle . e(P) . N(P) . e1(P) . N . Orient. Meas.code . Detector . Back . Abbreviations . Main Page .

... We thank the Swift team for their rapid scheduling of this observation. ... 2455705.20851 V 14.15 0.03 2455707.83079 V 14.10 0.03 2455710.84028 V 13.53 0.02 2455713.64631 V 13.66 0.02 2455714.65479 V 14.11 0.03 2455714.71823 V 14.12 0.02 2455714.78596 V 14.20 0.02 2455717.39593 V 14.37 0.03 2455726.62861 V 14.83 0.04 2455727.16343 V 14.57 0.04 2455730.50586 V 14.57 0.03 2455730.57329 V 14.56 0.03 2455730.70360 V 14.66 0.04 2455738.32865 V 14.00 0.02 2455742.86146 V 14.21 ...

... Collaborations | ... Special Astrophysical Observatory of Russian Academy of Sciences (SAO RAS) . ... Lebedev Physical Institute of Russian Academy of Sciences Astro Space Center (ASC) . Moscow, Russia . Institute of Applied Physics of Russian Academy of Sciences (IAP RAS) . ... Institute of Problems of Microelectronics Technology and High Purity Materials of Russian Academy of Sciences . ... A.M. Prokhorov General Physics Institute of Russian Academy of Sciences (GPI RAS) . ... IREE RAS ...

... SSAU scientists, specialists and students were engaged in creation of new scientific equipment for the new satellite for about two years. ... It will participate in the first launch campaign from the space-launch complex Vostochniy. ... The first launch from Vostochniy will perform the Samara carrier rocket Soyuz-2.1a , which will orbit another device created by SSAU scientists and students - nanosatellite SamSat-218 , as well as the university spacecraft Mikhail Lomonosov (Moscow State University)....

... Upper limits (3 sigma) to any radio flux density were established on the following dates: July 2.01 UT, < 0.585 mJy at 22.460 GHz (wavelength lambda = 1.3 cm); 3.00, < 0.900 mJy at 14.940 GHz (lambda = 2.0 cm) and < 0.189 mJy at 8.460 GHz (lambda = 3.5 cm); 8.968, < 0.291 mJy at 8.460 GHz and < 0.918 mJy at 22.460 GHz; 22.038 < 0.161 mJy at 8.460 GHz and < 0.464 mJy at 22.460 GHz; Aug. 9.00, < 0.129 mJy at 8.460 GHz; 14.837, < 0.187 mJy at 8.460 GHz and < 0.372 mJy at 4.860 GHz (lambda = 6.2 cm). ...

... ASCOM FITS driver/ . 08-Sep-2007 12:16 . ... 24-Jan-2006 13:45 . ... 2.6K . ... Apache/2.2.14 (Ubuntu) Server at vega.inp.nsk.su Port 80 ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... LX600 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... MeadeтАЩs LX90 ACF is a favorite of astronomers making the jump to their first, serious, larger aperture telescope. ... Astronomer InsideтДв then takes you on a guided multimedia tour of the best objects in your sky. ...

New GCVS Version (GCVS5) FileName Explanations ----------------------------------------------------------------- ReadMe This file GCVS5 The ... ------------------------------------------------------ 1- 2 I2 --- Constell [1/88]Constellation numeric code 3- 6 I4 --- Number Star number within the constellation 7 A1 --- Component *Component identification 9- 18 A10 --- GCVS * Variable ... Field is non-blank if magMin is a magnitude or amplitude given in a system other than that indicated by magCode. ...