... Tonight's Sky . ... Sky this Month . ... space physics . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Sky Events . Get to Know the Night Sky . Tour the Deep Sky . Sky Guide . ... Observing springtime deep-sky objects with a large telescope . ... Johns Hopkins University Applied Physics Lab, Laurel, Maryland . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... Persons interested in participating the MSS-09 Conference should send applications before April 25, 2009 to IOC to one of the following e-mail addresses : . ... Preliminary title of the talk . ... Postal address . ... E-mail address for further communications . ... The detailed preparation instructions the full volume papers submitting and their publication will be sent later. The visas info and hotel accommodation one will be submitted later. ...

... IR-Light Emitters & Detectors . Russian High Technologies . ... Infrared detectors and light emitters are key components that are used for applications including radiometry, guidance, gas analysis, medicine etc. ... Devices are operating in spectral range of 1.0-5.0 um and have high efficiency. ... Light Emitters . ... Spectral response of PRX 27.. ... Applications . ... Among the features there are high speed response, high efficiency, wide temperature range. ... IR-Light Emitters and Detectors | ...

... Interstellar matter (Diffuse Interstellar Bands), Astrospectroscopy, chemical composition of stars, model atmosphere method, variable stars. ... Klochkova V.G., Galazutdinov G.A. "The spectra of blue stars in the globular clusters" Preprint SAO N71 1991 . ... Galazutdinov G.A., Krelowski J., Musaev F.A., Bikmaev I.F., "On the relation between the carriers of diffuse interstellar bands and the simple molecular species", MNRAS, 1997, V.292, P.414-418 < Download gziped PostScript file . ...

... 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 ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit†йs . ... des interviews, des portraits . les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Macrocosme a son application, MC2 . ... La version num†йrique ipad du premier num†йro de Macrocosme, l'application MC2, est disponible sur l'App Store. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The white dashed line shows the region studied in this paper, with a radius of 1.5 centered on the massive star system HD 206267 (O6.5V), which is the main ionizing source of the region. ... We demonstrate how the survey can be used to (1) reliably select classical T Tauri star candidates and (2) constrain the mass accretion rates with an estimated relative uncertainty of 0.6 dex. ...

... astro-ph . ... Whitespace-separated words are treated as AND ed. Show 10 50 100 articles per page in Full Compact mode . ... Quasar Variability in the Framework of Poissonian Models . ... It is shown that in this very general framework the well established anti-correlation between variability amplitude and wavelength can only be understood as an effect of an underlying spectral component which remains stable on long time-scales, and is redder than the variable component. ...

... 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 . ...

... Buchachenko A.L., Oraevsky V.N., Sorokin V.M., Chmyrev V.M., The model of seismo-ionospheric interaction and its application to the study of ionospheric earthquake precursors with use of alpha station. Abstracts. ... Sorokin V.M., Chmyrev V.M., Sinelnikov V.M., Yaschenko A.K., The physical model underground nuclear explosion and earthquake precursors space monitoring. ... Sorokin V.M., Chmyrev V.M., Yaschenko A.K., Strong DC electric field in the ionosphere related to typhoons and earthquakes. ...

... Project page . ... Project workpage . Turbulence in the Multiphase Interstellar Medium . Project I | ... Project highlight | ... Towards simulating turbulence with adaptive meshes . ... A. Kritsuk, P. Padoan, M. Norman . ... A. Kritsuk M. Norman . ... A. Kritsuk, M. Norman, P. Padoan . astro-ph/0411626 | ... P. Padoan, A. Kritsuk, M. Norman, A. Nordlund . ... Introducing Enzo, an AMR Cosmology Application . B. O'Shea, G. Bryan, J. Bordner, M. Norman, T. Abel, R. Harkness, A. Kritsuk . ...

... Sun images . ... Sun flares . ... Active areas . April : 2016 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . ... Group length (in degrees) . ... Coordinates and other characteristics of active regions are issued for April 09, 2016 00:31 UT The following H-alpha plages without spots can be currently observed on the Sun's surface . ... Coordinates and other characteristics of active regions are issued for April 09, 2016 00:31 UT . ...

reu-program@naic.edu . ... The Arecibo Observatory in Puerto Rico invites applications for its undergraduate summer research progrm. Students selected for the program will work with staff scientists on projects related to ongoing research or instrumentation development. ... Applications for the REU program should be made via the online form. ... After email verification, we will send you a link to upload your supporting documents. ... Online Application Open . ... Online Application Deadline . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

Publications by members of the optical interferometry team relevant to the theory and practice of Adaptive Optics (AO) are listed below. ... SPIE require us to publish the following statement: . ... In D. Bonaccini Calia, B. L. Ellerbroek, and R. Ragazzoni, editors, Advancements in Adaptive Optics , volume 5490 of Proc. SPIE , pages 1315+. ... In D. Bonaccini Calia, B. L. Ellerbroek, and R. Ragazzoni, editors, Advancements in Adaptive Optics , volume 5490 of Proc. SPIE , pages 966+. ...

... Most Important Journals . Less Popular Astronomical Journals . Physics . Space, Selectial mechanics, .. Russian Journals . ... Astrophysics & Astronomy . ... Astronomical Journal . ... New Astronomy . ... Publications of the Astronomical Society of the Pacific . ... STScI News . Space Telescope Insitute Newsletter . ... Journal of Astronomical Data . ... Journal of High-Energy Physics (mirror in CERN ) [astro, grav, hi-energy .. ... Journal of Experimental and Theoretical Physics . ...

... A tussle in the distant Universe. This Hubble Space Telescope image shows evidence for a merger between a quasar and a companion galaxy. The quasar is the bright object just beneath the image center, and the wisps of material around it are remains of a galaxy disrupted by the interaction between it and the quasar. ... Galactic Nuclei: Old Quasars? Quasars as Probes of the Distant Universe . ... Quasars. ... The name quasar is made up with parts of the words "quasi-stellar radio." ...

... ACCESSORIES . ... OEM COMPONENTS . ... ABOUT LOMO . ... MICROSCOPES . ... OEM OPTICAL COMPONENTS . ... MICROSCOPE APPLICATION GUIDE AND MODEL SELECTOR . ... LOMO stereo microscopes deliver crisp images for such demanding applications as industrial inspection, electronic component manufacturing, biological and botanical studies, classroom teaching, etc. ... LOMO manufactures the widest range of microscope accessories and components such as objectives, eyepieces, condensers, illuminators, stages, etc....

June 14-19, 2004 . IAU Symposium 223 "Multi-Wavelength Investigations of Solar Activity" will take place on June 14-19, 2004, St. Petersburg, Russia, hosted by Pulkovo Astronomical Observatory. ... This announcement also contains information on visa applications and financial support.The abstract, registration and financial support forms are found on the meeting Web site at http://sun.stanford.edu/IAUS223 . ... Deadline for Financial Support Applications (including abstracts) . ... Abstract Form . ...

... Submitted by Al Takeda on 12/24/2012 23:40:10 . Large Magellanic Cloud (LMC) . The larger of the 2 Magellanic Clouds, this dwarf galaxy spans an area of 650-minutes x 550-minutes (10-degrees) and is 160,000 light years away on the border of the constellations of Dorado and Mensa. ... The LMC was the host galaxy to supernova 1987A. 7 images x 27-second subframes, Total= 3 minutes 9-seconds. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...