... The highlight of the month is the total eclipse of the Moon during the night of December 20/21. ... Listed below are some of the key events, and the times they will occur, during December's total lunar eclipse. ... The eclipse is also visible in its entirety from Alaska (local time is UT тАУ 9 hours) and Hawaii (UT тАУ 10 hours), but be aware that most of the eclipse occurs on the 20th in these two regions. ... Penumbral Eclipse Begins . ... Partial Eclipse Begins . ... Total Eclipse Begins . ...

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• ASP: Munching on Lunar Cheese
• ASP: Eclipse Watching: Making a Solar Filter

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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• STScI Preprint #1204
• Limitations on the Calibration Accuracy for COS/FUV Observations of Extended
• Calibration of COS Observations of Extended Targets in Cycle 24

Magda Arnaboldi (MSSSO), Tom Oosterloo (ATNF), Francoise Combes (DEMIRM), . ... New, high resolution observations of the H I emission line and 20-cm continuum at the Australia Telescope Compact Array (ATCA) for the prototype polar ring galaxy NGC 4650A are presented. ... Keywords. galaxies: individual (NGC 4650A) - galaxies: dynamics - galaxies: dark matter. related paper: Combes Arnaboldi 1996, A 305, 763, . The dark halo of polar-ring galaxy NGC 4650a: flattened towards the polar ring ?'' . ...

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• VSOP Observing Schedule
• New HI observations of the prototype Polar Ring galaxy NGC 4650A
• VLBI Observations

... The March 20 total solar eclipse was visible over the North Atlantic and Arctic Oceans. ... Solar eclipses are of interest for radio astronomy, as they make it possible to observe individual details on the solar disc (spots, filaments, flocculi, etc.) ... On March 20, 2015 the integrated observations of the solar eclipse were carried out at the RATAN-600 radio telescope at 70 wavelengths simultaneously in the range of 1.65cm to 10cm with the 1% frequency resolution. ...

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• Total solar eclipse broadcast from Kenya with GLORIA
• GLORIA expedition to Peru to broadcast live the Total Lunar Eclips
• Detection of unique bright radio flare of X-ray binary

Astronotes Armagh Planetarium's Stellar Blog! ... March . ... Posted on May 20, 2015 | No Comments If you missed the Lyrids meteor shower in April, starting of May you had another chance to see some shooting stars as the Eta Aquarids meteor shower peaks on the [ ] . Continue Reading.. ... 3 Comments Already the year 2015 is proving to be a great year for stargazing with planets, comets and meteorites gracing the skies but prepare for March as it brings a тАШmicro [ ] . ...

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• amateur astronomy | Astronotes - Part 2

Astronomers at Armagh Observatory observed the partial eclipse of the Sun on 29 March under unusually good conditions. ... The images, taken by astronomer Miruna Popescu, shows the eclipse as seen from the Armagh Observatory at around 11:30 (Summer Time) on 29th March, and the way it was observed by astronomer Apostolos Christou with a small portable telescope equipped with a filter to protect against the Sun's dangerous radiation. ... For more images from Armagh see: Miruna Popescu's Pages . ...

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• Terry Mosely's Bulletins
• Wonderful Eclipses: The Greatest Saros - Monday 1 December 2008 | International
• Lunar Eclipse of 31 December 2009 | International Year of Astronomy in Ireland

... Tonight's Sky . ... Moon . ... Observing . ... Astronomy for Kids . ... Total lunar eclipse, December 21, 2010 . The first total eclipse of the Moon in nearly 3 years occurs the night of December 20/21. ... The totally eclipsed Moon December 20/21 lies in Taurus the Bull, near its order with Orion and Gemini. ... If you are already registered on Astronomy.com, please log in below. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Phil Harrington's binocular universe (December 2007 web extra) | Astronomy.com
• December 2015 | Astronomy.com
• December 2012 | Astronomy.com

... Gladysz, S., Redfern, M., & Jones, B. W. 2003, in ASP Conf. ... We present the results of comparison between characteristics of highly atypical shadow bands recorded during total solar eclipse of 4 December 2002 in Botswana and theory of Codona. ... application of a FFT algorithm to a single image in order to find the shape of power spectral density function, psd(k), defined by Kay and Marple (1981), as predicted by Codona, and search for shadow bands' characteristic spatial frequencies. ...

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• Modelling Spectro-photometric Characteristics of Eclipsing Binaries
• NICMOS Software: An Observation Case Study
• Modern CCD Observations of Moving Celestial Objects: Algorithms and Software

... 227Wink This paper containes an investigation of 91 sources which appear to be point sources when observed with the angular resolution of the 100-m telescope at 4.9 GHz, teta_a = 2.6', and which we expected to be HII regions. The basic search list was prepared from the 4.9 GHz survey of the galactic plane by Altenhoff et al. ... In the present paper we list 4.9 GHz flux densities only for sources for sources for which we present new observations. ... source structure indicated . ...

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• The GB/NAIC 5GHz Survey
• Observations
• The WSRT 327 MHz Galactic Plane Survey

... 2002 December 9 . Moon Shadow Moves Over Africa . ... Explanation: When the Moon's shadow reached out and touched the Earth last week, the result was a solar eclipse . ... For this eclipse, racing along at nearly 2000 kilometers per hour, the Moon's umbra obligingly crossed over land along regions of Africa and Australia . ... The above movie follows the Moon's shadow as it crossed Africa during a similar eclipse in June 2001. ... About APOD | ...

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• APOD: 2002 December 3 - Eclipse Over Acacia
• APOD: 2001 December 21 - Partial Eclipse, Cloudy Day
• APOD: 2010 December 20 - A Lunar Eclipse on Solstice Day

... Blue Sun Glaring . ... The Sun is a bubbling ball of extremely hot gas. ... On the left is a normal star field containing the constellation Orion. ... A Wolf-Rayet Star Blows Bubbles . ... Wolf-Rayet stars can blow bubbles. ... Wolf-Rayet stars generate bubbles because they continually eject their outer atmosphere as a stellar wind. ... The main suspect is the Wolf-Rayet star in the center of one of the bubbles - visible slightly below and to the right of the center of the above photograph. ...

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• Partial Eclipse, Cloudy Day
• Journal "Peremennye Zvezdy"

We present the results of our observations of the white-light corona in polarized light performed at Criciuma eclipse, Brazil. During the observation of 3.11.94 we have made five couple of pictures of the solar corona in polarization light. ... Koutchmy S., Molodensky M., Starkova L., Ershov A., Matsuura O .: ... Molodensky M., Starkova L., Koutchmy S., Ershov A .: ... Koutchmy S., Molodensky M.M., Starkova L.I . ... Koutchmy S., Molodensky M.M., Starkova L.I. Koutvitsky V. and Ershov A . ...

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... Observatory . ... Science . ... Science Users Information > Science Publications > Science Announcements . ... Observing with ESO Telescopes . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... ESO Data Access Policy . ... Science Announcements . ... Published: 19 Dec 2013 . ... In addition to the previously announced UVES data release, over 10 000 individual spectra, acquired 2003 - 2013, are now available from the Science Archive Facility . Go to Announcement . ...

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• ESO - The European ELT
• ESO - ESO-Enews #25: December 2012
• ESO - Newsletter December 2015

... Eclipses of the Moon in 2009 : . In 2009 there are four eclipses of the Moon (tree penumbral eclipses on February 9, July 7, and August 5-6 and a partial eclipse on December 31). ... Moon enters penumbra (P 1 ) . ... Moon leaves penumbra (P 4 ) . ... Eclipse, lunar : . ... It may be total (the Moon passing completely through the Earth's umbra ), partial (the Moon passing partially through the Earth's umbra at maximum eclipse), or penumbral (the Moon passing only through the Earth's penumbra ). ...

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• Celestial calendar - Solar Eclipses

... News Latest News News Archive Newsletter Quarterly Status Report . ... Data Analysis SAS News What is SAS? ... Calibration & Background Calibration Background Analysis . ... Back to Background Analysis Page . The XMM-Newton Extended Source Analysis Software package (XMM-ESAS) is developed at the NASA/GSFC XMM-Newton Guest Observer Facility (GOF) in cooperation with the XMM-Newton SOC and the Background Working Group. ... http://xmm.esac.esa.int/sas/current/doc/esas/index.html . ...

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• XMM-Newton Further EPIC Background Scripts
• scisimf

... Home Gallery Observing Events 2012 Transit of Venus Tale-of-2-Transits, 2012 Annular Eclipse and Transit of Venus . ... 2012 Annular Solar Eclipse by Stan Honda . ... History of the Transit of Venus - prelude to the June 5th, 2012 Transit of Venus. ... 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 . ...

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• Astronomy Workshop: Observing Variable Stars from the City ? February 15, 2015
• Astro Imaging Workshop: Planetary Astro Imaging with a DSLR ? December 7, 2014
• eclipse_10_08_2014 ? Amateur Astronomers Association of New York

Next: Summary Up: The Epsilon Aurigae Previous: Eclipse Lightcurves for . In this section, we attempt to account for the observed asymmetry in absorption line profiles by using a crude model of the thermal expansion of the outer edge of the disk as it rotates into the radiation field of the primary. ... Hinkle and Simon (1987) proposed that the asymmetries in the pre- and post-central eclipse line profiles are a consequence of the vaporization of grains caused by heating from the primary. ...

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• Chandra Images for G076.9+01.0
• Watching the Stars go `Round and `Round
• Chandra Images for G074.0-08.5NE

... Within the transnational Access program of SOLARNET, European investigators can apply for observing time with the European instruments IBIS and ROSA , which are installed at the Dunn Solar Telescope of the US National Solar Observatory ( DST/NSO ). ... Periodic calls for proposals will be published for requesting SOLARNET observing time with the European instruments IBIS and ROSA, installed at the Dunn Solar Telescope of the US National Solar Observatory (DST/NSO). ... SOLARNET Access . ...

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• Educator's Guide to Eclipses
• Frank's Deep Space Page
• FIRPO Runs

... The Sun of our solar system is a typical star of intermediate size and luminosity. ... The Sun has a very complex surface magnetic field created by convective flow of the electrically conducting solar material. ... The escaping hot coronal plasma is called the solar wind . ... See the table below for the observed features above the Sun's surface. ... Chromospheric features . Coronal features . ... dense clouds of material suspended above the surface of the Sun by magnetic field line loops . ...

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• The Wind Spacecraft
• Whistlers [Oulu]
• Plasma sheet and PSBL [Oulu]

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 . ...

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• The Sunspot Observer - Average annual indices of solar activity NGDC -