Astronotes Armagh Planetarium's Stellar Blog! ... Meteors and Meteorites . ... Stars . ... Monthly Sky Notes . ... This famous depiction of the Leonids was based on a first hand account of a meteor storm by a minister, Joseph Harvey Waggoner. ... In the autumn the Great Square of Pegasus is visible in the southern night sky. ... I hope this guide to the November night sky is helpful and have fun star sight-seeing! ... Tweets that mention The Leonid meteors: highlights of the November night sky | ...

Organisers: Michel Balazard (CNRS, Laboratoire Poncelet) , Michael Tsfasman (CNRS, Laboratoire Poncelet, Institute for Information Transmission Problems) , Alexey Zykin (Laboratoire Poncelet, State University Higher School of Economics) . ... General Information . ... Number theory semester web page . ... Poncelet Laboratory web page . ...

... Aurora from Space . ... Aurora Origin . ... Magnetic Storms . 30.a Chicago Aurora . ... This one was waiting when I came home from a late lecture on Monday, 5 November 2001: . Subject: Funny looking sky. ... We live just north of Chicago, and I didn't think the Aurora Borealis isvisible this far south. ... http://www.sec.noaa.gov/today.html . I had to wait a long time for that page to come up, so perhaps many people are accessing it... and maybe something interesting is indeed happening. ...

In the PROJECT we are using the following peculiar . features of RATAN-600 . ... Brightness temperature sensitivity being equal to the antenna temperature sensitivity .. ... Receiver system .. ... Using aperture averaging effect. dual- beam and dual (multi-) frequency filtration, we demonstrated full filtration of the atmosphere noise down to the receiver noise at all scales of acoustics peaks ( Fig.1 , Fig 2 ). ... We select this frequency as the central one in our project. ... Antenna surface . ...

Supernova 2007uy and 2008D in NGC 2770 . This page is devoted to information on Supernova 2007uy and Supernova 2008D in NGC 2770 . ... Information on the original web pages for many of these images can be found on the updates and links web pages. 2007uy was discovered by Yoji Hirose (Japan)). ... 2008D was discovered by the Swift/XRT satellite which was then observing 2007uy , and announced by Lick Observatory Supernova Search (USA). ... SNWeb has a 2007uy page and 2008D page . ... JM Llapasset . ...

... Proceedings of 2001 Int. Symposium on Nonlinear Theory and its Applications, . Miyagi, Japan, October 28 - November 1, 2001 , vol. 1, pp. ... Chaotic oscillators based on RC-elements and nonlinear amplifiers with sigmoid function only are discussed. The analysis of the structure a number of well-known oscillators is carried out. On the basis of that analysis the structure of the oscillators which consist of RC–elements and op-amps only and capable to show chaotic oscillations is suggested. ...

. Among the two other similar bright, hot stars close to A1 at the core of NGC 3603, a star dubbed "C" was also found to be a binary with a period of 8.92 days, although definitive masses for its components, also expected to be high, are not yet available. JPL/NASA/U Wash/U Illinois

... Telescopes ћ Binoculars ћ Microscopes . Meade Ultra-High Transmission coatings (UHTC ) Group . ... Meade Standard Coatings: The optical surfaces of all Meade telescopes include high-grade optical coatings fully consistent in quality with the precision of the optical surfaces themselves. ... These specialized, and extremely advantageous, coatings are offered here as the Meade Ultra-High Transmission Coatings (UHTC) group, a coatings group available optionally on many Meade telescope models. ...

... X-Ray Binaries I . ... In late January 2000 Cygnus X-3 made a transition from a quiescent radio state (low X-ray state) to a radio flaring state (high X-ray state). ... Throughout this activity an extensive multiwavelength campaign was undertaken. These included observations in the hard X-ray (CGRO/BATSE), X-ray (RXTE/ASM/PCA/HEXTE), radio (GBI, Ryle Telescope, VLA, RATAN-600), radio imaging (VLBA), and high resolution X-ray spectroscopy and imaging (Chandra). ...

... Do you know why we have seasons on Earth? ... Even if you offer students the great activities developed by the Harvard researchers, or the great activities in ASP's teacher resource book, The Universe at Your Fingertips , your students still won't learn anything unless they work hard and think about their work. ... But none of these are worth a hoot unless they are also accompanied by hard work on students' part. ... The key to success in astronomy is the same as it is in everything else: hard work....

ATNF ATUC MEMORANDUM To: ATUC From: Tasso Tzioumis Date: 25 November 2005 Subject: VLBI report - LBA Operations & eVLBI 1) Operations In the past 6 months there was only 1 VLBI session, 1-6 November 2005. ... The next VLBI observing session is scheduled for 9-17 March 2006. ... Correlation will be done on the Swinburne software correlator. ... 2) VLBI tests a) Real-time fringe testing Real-time fringe testing using the disk systems has now been implemented at all antennas. ...

National Aeronautics and Space Administration . ... JOHN E. BLAHA (COLONEL, USAF, RET.) NASA ASTRONAUT (FORMER) . ... EDUCATION: Graduated from Granby High School in Norfolk, Virginia, in 1960; received a bachelor of science in engineering science from the United States Air Force Academy in 1965 and a master of science in astronautical engineering from Purdue University in 1966. ... NASA EXPERIENCE: Selected as an astronaut in May 1980, Blaha has logged 161 days in space on 5 space missions. ...

... This year SSAU provides 1429 state-funded places for admission in all kinds and directions of educational programs. ... In addition, SSAU Admission Committee notes the substantial increase in interest from the foreign applicants this year. The number of applications from foreign countries has already surpassed last year's totals - 76 applications. Based on the experience of admission campaigns of previous years, SSAU expects summer 2014 to enrol about 150 foreign students in the university. ...

... Home Observing High Line Moon from the High Line . ... Lecture Series 2014-2015 . ... Clear Sky Chart . ... This Month's Sky - 2015 . This Month's Sky - January 2015 . This Month's Sky - February 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... In this section, we develop a physical model of the secondary as a disk that is centrifugally supported in the radial direction and hydrostatically supported in the vertical direction. We assume that the disk is vertically isothermal and well mixed. ... where is the mean molecular mass of the gas, is the orbital period at the outer edge of the disk in years, and all of the mass of the secondary has been assumed to be concentrated near its center, so the Keplerian approximation is valid. ...

Check out the new images (Jan 18-25) and (Jan 26-Feb 05) of the comet by Rob McNaught. ... Every few years a comet becomes bright enough to be easily seen with the naked eye but only every decade or so are these comparable with comets like Halley. ... Before Jan 13, the comet is not visible in the Australian sky after sunset. ... SOHO images . ... On Jan 12 at approximately 09:00 UT (8pm NSW time), comet C/2006 P1 McNaught appears at the 11 o'clock position in the images. ... STEREO images . ...

Variations of total ozone content and lower ozone stratosphere temperature in Antarctic Region during winter-spring period A.V. Grytsai National Taras Shevchenko University of Kyiv Astronomy and Space Physics Department assen@univ.kiev.ua Data, used in the work work Total ozone: Total Ozone Mapping Spectrometer (TOMS) measurements during 1979 - 2005 and Ozone Monitoring Instrument (OMI) ones for 2006, for http://toms.gsfc.nasa.gov/ftpdata.html. ... A long-term TOC decrease is significant. ...

New England observer Lew Gramer, fresh back from his mid-November fish observing and meteor-catching expedition in South Florida, reports that December also promises to be a great month for celestial sky-sparks!" ... Other showers adding to the mix this month include several very minor showers, such as the Chi Orionids (3 Dec), Monocerotids (9 Dec) and Sigma Hydrids (12 Dec), which usually contribute no more than 2 or 3 meteors per hour during even post-midnight observing this month. ...

... NASA's newest Great Observatory, the Chandra X-Ray Observatory (CXO) -- formally known as the Advanced X-Ray Astrophysics Facility (AXAF) -- launched on July 23, 1999 and represents such an advance. ... Hughes Danbury Optical Systems (HDOS), now Raytheon Optical Systems Incorporated, figured and polished the x-ray optics; Optical Coating Laboratory Incorporated (OCLI) coated the polished optics with iridium; and Eastman Kodak Company (EKC) mounted and aligned the optics and provided the optical...

Astronomical Data Analysis Software and Systems VII ASP Conference Series, Vol. 145, 1998 R. Albrecht, R. N. Hook and H. A. Bushouse, eds. The ISO Post-Mission Archive R.D.Saxton, C. Arviset, J. Dowson, R. Carr, C. Todd, M.F.Kessler, J-L. Hernandez, R.N.Jenkins, P.Osuna and A. Plug ESA, ISO Science Operations Centre, Vil lafranca del Castil lo, Apartado 50727, 28080 Madrid, Spain, Email: rsaxton@iso.vilspa.esa.es Abstract. ... The ISO Post-Mission Archive 439 Figure 1. ...