adapted from Observe: Eclipses, published in 1979 by the Astronomical League and "Safe Solar Filters," by B. Ralph Chou, Sky and Telescope, August 1981) . ... Tape TWO pieces of film together into a sandwich, and tape this over the opening in the cardboard. ... The cardboard frame will act as a shade from the bright Sun, while you safely observe through the film sandwich. ... Undeveloped film is not safe. ... tape . ... At the end of one of the tubes, tape the aluminum foil, and make a tiny pinhole. ...

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• ASP: December's Total Lunar Eclipse
• ASP: Sharing the Universe
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Next: Accretion Disks with Up: StarsStellar Populations, Previous: Spectroscopic Analysis of . ... We present and discuss spatially resolved spectra of the accretion disk and the gas stream region as a function of distance from disk center, the spectrum of the uneclipsed light, and the radial temperature distribution in the ultraviolet. Keywords: Accretion disks, Cataclysmic variables . ... In this paper we report on the HST spectral mapping of the nova-like UX UMa. ...

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• The Spectroscopic Orbit of the Evolved Binary HD 197770
• Home Page of Kailash Sahu

Peremennye Zvezdy", . ... Star Name: . GSC 3710-00312, USNO-A2.0 1425-04252279 . ... Variability type: . ... USNO-A2.0 1425-04252279 is located at the distance of 15?.7 from the X-ray source 1RXS J031707.9+572942, which is larger than the position error of the source (12?), but its hardness ratio HR1 = 0.03 0.29, typical of chromospherically active stars, and its character of variability allow us to assume that the star is related to the X-ray source. ... Eclipsing variability . Sine wave 1 . ...

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• Combined Solar Eclipse Corona from Earth and Space
• Астронет > Combined Solar Eclipse Corona from Earth and Space
• Sunspots and Solar Eclipse

... The storm began quite unexpectedly. The strongest geomagnetic storm for the last seven months began on Earth almost precisely at the same time as the solar eclipse reached its maximal stage, the culmination of which occurred at GMT 02:35 (06:35 Moscow time). ... Oscillations of such amplitude in the magnetic field have not been observed since October, 11th of last year, which is more than seven months ago. ... We can only add that the magnetic storm lasted approximately 9 hours. ...

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• The X-ray Solar Eclipse
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... We present a computer program for modelling energy flux distribution and light curves of eclipsing binaries from far ultraviolet to infrared regions. The Roche model is assumed. Proximity effects of components (reflection of radiation and surface gravity darkening) are taken into account. ... Figure 1: The surface temperature distribution for Algol A-B system before (upper plot) and after (lower plot) correction for temperature due to the irradiation effect. ...

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• ESO C Library for an Image Processing Software Environment (eclipse)

... In particular, members of the project regularly organize events dedicated to various interesting astronomical phenomena and events - solar and lunar eclipses, transit of Venus, etc. On November 3rd a team of astronomers will venture deep into Turkana National Park, Kenya and attempt to broadcast the magic of a total solar eclipse to the world. ... Solar eclipse . A solar eclipse occurs when the Moon passes between the Sun and Earth, and the Moon fully or partially blocks the Sun from our view. ...

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Probing the Eclipse Region of a Binary Millisecond Pulsar . B. W. Stappers (MSSSO, Australia), . M. Bailes (ATNF, CSIRO, Australia and University of Melbourne, Australia), . A. G. Lyne (NRAL, Jodrell Bank, UK), . R. N. Manchester (ATNF, CSIRO, Australia), . ... T. M. Tauris (Aarhus University, Denmark and ATNF, CSIRO, Australia), . ... Abstract We report the discovery of a new eclipsing millisecond binary pulsar system, PSR J2051-0827. ...

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• Eclipsing MSPs
• UBV Photometry of the Massive Eclipsing Binary TT Aur
• eclipsing_binary_pics.html

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Lightcurve of HW Vir from images obtained using the Faulkes Telescope South, operated by Las Cumbres Observatory . The blue triangles show the difference between two stars whose brightness is constant. ... This shows the value of the Faulkes Telescopes in the follow-up observations of eclipsing binaries with the aim to detect and characterise additional circumbinary companions. ...

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• Solar Eclipse Observed Armagh Observatory
• Lunar Eclipse of 31 December 2009 | International Year of Astronomy in Ireland
• Total Solar Eclipse

Educator's Guide to Eclipses . ... In a solar eclipse you observe the Sun (using only safe methods, of course). ... In a lunar eclipse you observe the Moon. ... Because of the geometry described below, you can only view a solar eclipse when the Sun is up, and the Moon is nowhere to be seen. ... Eclipses occur when the Sun, Earth and Moon line up. ... In a solar eclipse the Moon passes directly in front of the Sun. ... In a lunar eclipse the Moon moves into Earth's shadow. ...

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• Lesson Plans and Activities
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Catalogue of eclipsing variables (CEV) is the world's principal database of eclipsing binary systems with available classification. CEV contains identifications, classifications, photometry, periods, eclipses data, spectral types, references and notes for 7179 systems. Format of the current CEV . CEV main table (~1.0MB) . ... List of systems, erroneously classified as eclipsing binaries in GCVS (they are not included in the CEV main table) Download all files as a single archive (~0.6MB) . ...

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XMM-Newton EPIC TTD Meeting Preparation for next eclipse season 7th Feb 2001 Mauro Casale ESA H/Q: 7th February 2001 XMM 1 Facts / lessons learned from previous eclipses 1) the eclipses will occur before perigee in the period 19-03- 2001 / 24-04- 2001 2) the shortest time between end of eclipse and Perigee time is about 22 minutes; in most of the other cases it is around 30-31 ... T0 - 1.6/1h: Eclipse start. ... ESA H/Q : 7th February 2001 XMM 7 ...

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• http://xmm.vilspa.esa.es/calibration/documentation/epic_cal_meetings/200106/casale_ops_status.pdf
• http://xmm.vilspa.esa.es/calibration/documentation/epic_cal_meetings/201203/calderon-cal-2012.pdf
• http://xmm.vilspa.esa.es/calibration/documentation/epic_cal_meetings/201003/calderon_Status-Oper-2010.pdf

... The ESO Conference "Towards Other Earths: DARWIN/TPF and the Search for Extrasolar Terrestrial Planets" (Germany, Hidelberg, 2003), V.P.Grinin, L.V.Tambovtseva,"Dusty disk winds in the young binary systems with the low-mass secondary components" . ... Barsunova, V.P. Grinin, S.G. Sergeev, "Unusual eclipsing system KH 15D: new photometric data", oral . ... Barsunova, V.P. Grinin, S.G. Sergeev, L.V. Tambovtseva, "Photometric activity of the peculiar young stars", oral . ... V.P. Grinin, N.Ya. ...

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• Explanation of eclipsing binaries
• ESO - Eclipse
• Solar Eclipse 2011-01-04 (enhanced)

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2014 October 25 . Sunspots and Solar Eclipse . ... Explanation: A New Moon joined giant sunspot group AR 2192 to dim the bright solar disk during Thursday's much anticipated partial solar eclipse. ... But the timing of solar eclipses is easier to predict. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

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• APOD: 2001 June 20 - Total Eclipse of the Active Sun
• APOD: 2013 November 11 - An Active Sun During a Total Eclipse
• APOD: 2012 May 20 - A Partial Eclipse Over Manila Bay

ECLIPSES, TRANSITS OF MERCURY AND VENUS . Year 1999 . Year 2000 . Year 2001 . Year 2002 . Year 2003 . Year 2004 . Year 2005 . ... Total solar eclipse . ... Transit of Mercury across the solar disk . ... Total lunar eclipse . ... Partial solar eclipse . ... Partial lunar eclipse . ... Annular solar eclipse . ... Penumbral lunar eclipse . ... big map . ... Transit of Venus across the solar disk . ... Annular-total solar eclipse . ... Non-central annular solar eclipse . ...

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• AE (eclipses, transits)
• Supplemental information
• Calendar_Mar_2015_Eclipse

... Solar Eclipses in 2009 : . There are two eclipses of the Sun (an annular eclipse on January 26 and a total eclipse on July 21-22 ) in 2009. ... Annular Solar Eclipse . ... Annular Eclipse of the Sun on January 26, 2009 . ... Beginning of northern limit of umbra . ... Beginning of center line; central eclipse begins . ... Central eclipse at local apparent noon . ... Total solar eclipse . ... An annular eclipse occurs when the apparent disk of the Moon is smaller than that of the Sun. ... Umbra: . ...

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• Celestial calendar - Eclipses of the Moon
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• Internet telescope

... Photos . Rainbow in Cambridge . ... Different phases of the lunar eclipse . ... Копосов Сергей , 2003-2007 . Koposov Sergey , 2007 ...

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• List of publications
• Natural Satellites Service. Mutual occultations and eclipses of the major
• Photos from the ADASS conference and the trip to Spain and Portugal

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . Sun . ... March . ... The extent of the solar eclipse of 3 November€а 2013 at 13:22 UTC as seen from Accra, Ghana. We will see a similar sight.€а (Image credit: Kwabena under Creative Commons Licence) . ... Your viewing location is not important as long as it offers an unobstructed view of the south eastern sky.. ... You can use ?eclipse glasses? to view the Sun, these are made from aluminized Mylar filter material. ...

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• - Part 5
• Solar System | Astronotes - Part 2
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -

... 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). ...

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• http://mavr.sao.ru/hq/eclipse/eclipse_BTA.html
• Solar eclipse
• SOLAR GROUP-NEWS

Proposal Identification No.: P1919 Date Received: 2004-Feb-02 23:39:55 Technical Page Proposal Type: General Category: Observation Category: Total Time Requested: Prop osal Title: Regular Pulsars Galactic 57 Hours Observations of Two Eclipsing Millisecond Pulsar Binary Systems in Globular Clusters ABSTRACT: The precise mechanism that drives eclipsing millisecond pulsar systems is not yet certain, although various eclipse mo dels exist that do seem to supp ort many observations. ...

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• http://www.naic.edu/vscience/schedule/tpfiles/FerdmantagP1919tp.ps
• http://www.naic.edu/vscience/schedule/tpfiles/SplavertagP1406tp.ps
• http://www.naic.edu/vscience/schedule/tpfiles/ArchibaldtagP2552tp.pdf