In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

... V.N. Obridko . ... Solar cycle . Coronal holes . ... webmaster@izmiran.ru . ... On the polarization of the solar coronal emission lines . Solar Physics 33 (1973) 169-175. O.G.Badalyan, V.N.Obridko, J.Sykora . ... O.G. Badalyan, V.N. Obridko, J. Ryb k and J. S kora . ... J. S kora, O.G. Badalyan, V.N. Obridko . ... O.G. Badalyan, V.N. Obridko . ... December 2005, ESA Publication Division, ESTEC, P.O. Dox 299, 2200 AG Noordwijk, The Netherlands, Ed. D.Danesy, S.Poeds, A. De Groof, J. Andres. ...

... Radio astronomical tests of the engineering model of the space radio telescope (SRT) were completed in Pushchino - see Results . ... Monitoring of the development of the upgrade on-board 1.35-cm receiver (R-SRT-1.35 cm): . ... EM Engineering Model . ... OHCFS-SRT Space Radio Telescope On-board Heterodyne and Clock Frequency Synthesizer set . OHFS-SRT Space Radio Telescope On-board Hydrogen Frequency Standard . ORFS-SRT Space Radio Telescope On-board Rubidium Frequency Standard . ...

... System concept SKA1: AA-low . ... Coffee . ... AA Pathfinders: guiding SKA design . AA Science driven technical requirements . ... Science . ... Calibration and imaging . ... SKA1 Science Requirements . ... Discussion . ... Calibration and imaging requirements . ... Redundancy calibration method in phased arrays . ... System concept SKA 1 : AA-low . ... SKA1 AA-low system design considerations . ... Dense Aperture Array Antenna Design for SKA . ... Array antenna designs for the SKA-AA-low . ...

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 . ...

The Cosmic Microwave Background Radiation Temperature Work in groups of 2-4. ... Due 1999 April 15 In this laboratory exercise, you will use the radio telescope on the roof of Science B to measure the intensity of the Cosmic Microwave Background Radiation (CMBR). ... The output of the telescope when pointing at the sky will then be 2 Tsys = Trec + Tsky : The temperature of the sky can in principle arise from two sources, radiation from the atmosphere and radiation from outer space (the CMBR). ...

... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

. Please standby and you will be automatically connected to the new location of the unframed Supernova page. Or, click on the link above. If you have questions or problems, please email me at David Bishop dbishop@vhdl.org . Last modified: Mon Aug 27 12:40:15 EDT 2001

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Flights Chronology . ... ISS Russian Segment . ... Sea Launch . ... News . ... History of flights . ... S.P. Korolev Rocket and Space Corporation Energia under the chairmanship of the Corporation President and General Designer V.A. Lopota held the General Designers Review Board devoted to the Russian Segment of the International Space Station (ISS). ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

... The ST-ECF consisted, until its closure in December 2010, of a small group of astronomers, software scientists and media specialists who support Hubble science in Europe and collaborate internationally on HST science, instrument, archive and outreach activities. provided detailed technical information about the HST and its science instruments, . supported European astronomers in the preparation of HST observing proposals . ... acted as a European centre for associated meetings and workshops, . ...

Russian . ... text in Russian) . ... The Behaviour of the Bz Component of the Magnetic Field in Coronal Mass Ejections . ... Cooperation of IZMIRAN and Sternberg Astronomical Institute in the Study of the Sublimational Component of the Solar Coronal Radiation . ... Solar Wind and Magnetic Storms in the 24th Solar Activity Cycle . ... text in English) . ... The Solar Corona in the Light of TRACE Observations . ... Expeditions of Irkutsk Astronomers to Total Solar Eclipses in 1981--2012 . ...

... V838 Mon is a member of a new class of eruptive variables which appear as a peculiar novae having late K-M type spectra in their outburst. Before its outburst, it was a wide binary system of B3V type stars. ... The B3V companion was seen in the outburst in the UV spectrum taken with HST (Rauch et al., ... In the latest spectra, the light of B3V companion was predominating in the short-wave photometric bands. ... CCD blue frames of V838 Mon before the eclipse (left) and in the eclipse (right). ...

... It is notoriously difficult to identify weak cosmic ray events in long exposure observations. ... The method is to compare the probability distribution function (PDF) of cosmic ray events between an observation and a dark frame matched in exposure time. We illustrate the basic idea using dark exposures from a Tek 1024 1024 CCD with varying exposure lengths and read-out times. ... Figure: Histogram of cosmic ray events in a two hour dark frame. ... Original PostScript figure (78 kB) . ...

Statistics of sunspot activity . The sunspot indices . My observations . NGDC's observations . The solar regions . ... 2015 . ... December . ... December, 2015 . Visual indices of solar activity by author's observations . ... Average . ...

Program Id: . ... UTC End Time: . Astronomer/PI Name(s): . ... Observer Name(s): . Nightlog Day: Sunday Monday Tuesday Wednesday Thursday Friday Saturday Month: January Febuary March April May June July August September October November December Day (DD): Year (YYYY): Full Night A (First half) B (Second half) Special Schedule . ... Note: Open this weather logfile program in another browser window. Please copy and past the resultant info below at the end of the night) . ...

... Printed in U.S.A. *CRATES: An All-Sky Survey of Flat-Spectrum Radio Sources* Stephen E. Healey , 1 Roger W. Romani , 1 Gregory B. Taylor , 2 Elaine M. Sadler , 3 Roberto Ricci , 4 Tara Murphy , 3, 5 James S. Ulvestad , 6 and Joshua N. Winn 7 /Received 2006 December 19; accepted 2007 February 5/ *ABSTRACT* We have assembled an 8.4 GHz survey of bright, flat-spectrum (? > -0.5) radio sources with nearly uniform extragalactic (|/b/| > 10 0; ) coverage for sources brighter than /S/_4.8 GHz = 65 mJy. ...

A Brief History of the Discovery of Cosmic Gamma-Ray Bursts - draft april 17, 1995 - J.Bonnell In October of 1963 the US Air Force launched the first in a series of satellites inspired by a recently signed nuclear test ban treaty. ... The event appeared to be a cosmic gamma-ray burst but at the time the constellation of satellites did not have sufficient timing resolution at the trigger to make a good determination of direction to the burst source. ...

Spain ----- (Music by Chick chorea, Words by Al Jareau) Adagio ----> Yesterday, just a photograph of yesterday.. And all it's edges folded and the corners faded sleepy brown. ... And now we know, we know this time it's for good. ... Verse I - ------- I can remember the rain in December, the leaves of brown, on the ground.. In Spain I did love and adore you! ... Bridge - ------ I can recall my desire Every reverie is on fire And I get a picture of all my yesterdays, Yesterday I can say. ...

Neutron Monitors ] [ Solar Neutrons ] [ Muon Telescopes ] [ Base Potchefstroom University ] [ Magnetometers ] [ GPS systems ] [ Ionosphere ] [ Related Data ] [ Space Weather ] . ... All Cosmic Ray Stations + InterPlanetary Data: WorldNet . Alma-AtaB (Mt.Tien Shan) DataBase of Kazakhstan Spectrograph Alma-AtaB (Mt.Tien Shan) new . ... Nagoya Muon Telescope and DATA or mail . ... Belgrade Muon Telescopes and DATA or ">mail . ... Real-Time database for Cosmic Ray Anisotropy (DB10) . ...

... Recent Topics . ... MAO main . ... December Issue: World Changing Ideas . ... Тема: December Issue: World Changing Ideas . To view this email as a web page, go here. links.email.scientificamerican.com/servl.. ODAyMzY2Njk2S0 =0 . ... World Changing Ideas . ... Since 1845, Scientific American has chronicled ideas and inventions that have changed the world. ... Board Categories MAO main - Info - MAO - news - Flame Technical - Technical Support(Forum)(Техподдержка(Форум)) . ... MAO NASU . ...