... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2003 November 21 . Sunset Moonlight . ... Hoping to view the celestial shadow play from the Earth's night side near Cologne, Germany, about 400,000 kilometers from the lunar surface, amateur astronomer Markus Strassfeld packed a digital camera and telescope and drove about 10 kilometers outside the city to escape the bright city lights . ...

Еще в разделе: (Показать все результаты (>8391) - www.sai.msu.su/ )

• APOD: 2010 January 22 - Millennium Annular Solar Eclipse
• APOD: 2010 December 23 - The Solstice Moon s Eclipse
• APOD: 2013 May 13 - Partial Solar Eclipse with Airplane

... 21.11.2003 . ... Credit: Markus Strassfeld Explanation: November's lunar eclipse was one of the shortest in recent years and also one of the brightest -- demonstrating that the Earth's shadow is not completely dark. The eclipsed Moon remained easily visible during totality, reflecting reddened light filtering on to its surface from all the sunsets and sunrises , as seen from the lunar perspective , around the edges of a silhouetted Earth. ... Publications with keywords: total lunar eclipse . ...

Еще в разделе: (Показать все результаты (>163998) - www.astronet.ru/ )

• Full Moon in Earth's Shadow
• Астронет > Sunset Moonlight
• Journal "Peremennye Zvezdy"

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. ...

Еще в разделе: (Показать все результаты (>1333) - www.astrosociety.org/ )

• ASP: Shadow Play: 1998's Total Solar Eclipse

... Contact . ... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Development of the 20 March 2015 partial solar eclipse as seen from Northern Ireland from first contact at 08:26 to eclipse maximum at around 09:30. ... Armagh Observatory reports that the largest partial solar eclipse visible from Northern Ireland since 1927, when 97 percent of the SunтАЩs disc was obscured, occurs between 08:26 and 10:38 on the morning of Friday 20 March 2015. ...

Еще в разделе: (Показать все результаты (>2642) - star.arm.ac.uk/ )

• Solar Eclipse Observed Armagh Observatory
• Solar Eclipse 2008 August 1st
• Solar Eclipse, 3 October:

Having studied the solar corona and its radio emissions sunspot cycles ago, I was keen to verify its existence optically during the total solar eclipse of Wednesday, 4 December 2002, the first on Australian soil since 1976. The moon's shadow was to travel from the south-Atlantic west of The Congo, across southern Africa, the Indian Ocean and into the Great Australian Bight, finally making Australian landfall at Ceduna, South Australia (SA). ... The favoured site to observe the eclipse was Ceduna. ...

Еще в разделе: (Показать все результаты (>12883) - www.atnf.csiro.au/ )

... This year's eclipse is unique in duration. ... Although, at the present time, there are 6 solar observatories belonging to leading space agencies in orbit around the Earth, the eclipse of 22 July, 2009, will only be seen by two of them: the Russian CORONAS-PHOTON satellite equipped with TESIS telescopes and Japan's HINODE satellite fitted with an XRT space telescope. ... TESIS will be the first of the two devices (and the very first on Earth) to witness the solar eclipse. ...

Еще в разделе: (Показать все результаты (>64) - www.tesis.lebedev.ru/ )

• Project's diary

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. ...

Еще в разделе: (Показать все результаты (>2801) - www.armaghplanet.com/ )

• Astronotes | Armagh Planetarium's astronomy news from across the Universe -
• Rings Around an Asteroid | Astronotes
• Kepler-10c: the First Mega-Earth | Astronotes

... August 30, 1999 . Looking Back on an Eclipsed Earth . ... Explanation: Here is what the Earth looks like during a solar eclipse. ... Only observers near the center of the dark circle see a total solar eclipse - others see a partial eclipse where only part of the Sun appears blocked by the Moon . This spectacular picture of the 1999 August 11 solar eclipse was one of the last ever taken from the Mir space station , as Mir is being decommissioned after more than ten years of productive use. ...

Еще в разделе: (Показать все результаты (>6691) - www.arcetri.astro.it/ )

• APOD: 2000 July 26 - Lingering Lunar Eclipse
• APOD: 2001 January 18 - 2001: A Total Lunar Eclipse
• APOD: August 18, 1999 - Sun Block

This section describes the calculation by which Aristarchus used the duration of a total lunar eclipse to deduce the distance of the Moon. ... This lesson plan supplements: "How Distant is the Moon--1", section #8c: on disk Shipprc2.htm , on the web . ... The shadow of the Earth at the Moon's distance is narrower than the Earth, because the Sun is seen not as a point but as a disk 0.5 degrees wide. ... An eclipse of the Moon is the passage of the Moon through the shadow of the Earth. ...

Еще в разделе: (Показать все результаты (>914) - www.cosmos.ru/ )

• The Sun
• Estimating the Moon's Distance
• Our View of the Sun--Lesson Plan #37

The apparent path of the Sun across the sky. ... The path of the Sun across the celestial sphere is very close to that of the planets and the moon. ... In one year, as the Earth completes a full circuit around the Sun (drawing above), the Earth-Sun line and its continuation past Earth sweep the entire plane. ... Since the Sun and Earth are in the plane of the ecliptic, the line is automatically in that plane too; if the moon is also on the same line, it must be in the plane of the ecliptic as well. ...

Еще в разделе: (Показать все результаты (>656) - www.iki.rssi.ru/ )

• The Sun
• The Sun's Corona
• Precession

... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...

Еще в разделе: (Показать все результаты (>3) - www.astronomer.ru/ )

XMM­Newton CCF Release Note XMM­CCF­REL­324 EPIC MOS HK GTI Selection M.J.S. Smith February 2, 2015 1 CCF Components Name of CCF VALDATE EVALDATE Blocks XSCS Changed Flag EMOS1 HKPARMINT 0011.CCF 2014­11­06T15:15:00 2014­12­23T20:55:00 HKPARMINT NO EMOS2 HKPARMINT 0010.CCF 2014­11­06T15:15:00 2014­12­23T20:55:00 HKPARMINT NO 2 Changes During the 2014 winter eclipse season, gaps in ground station coverage around perigee resulted in delays in stabilising to the nominal MOS focal plane (FP) temperature. ...

Еще в разделе: (Показать все результаты (>4160) - xmm.vilspa.esa.es/ )

• Stage Three: ``filter''
• Filtering

... Обзор LPR фильтра. Впечатления от наблюдений с LPR фильтром. ... Характеристики цветных фильтров Baader-Planetarium . Мой перевод pdf- файла о фильтрах с сайта Baader-Planetarium (379 кб) . ...

Еще в разделе: (Показать все результаты (>17) - www.shvedun.ru/ )

• Baader NEODYMIUM (Moon & Skyglow) filter

... 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: . ...

Еще в разделе: (Показать все результаты (>378) - www.mao.kiev.ua/ )

... Bad Astronomy . ... This first Snack of the year 2000 (yes, I am one of those who says the Millennium begins in 2001) will talk a little about a wonderful event: a total lunar eclipse. On the evening of Thursday, January 20 (or the early morning Friday, January 21 if you lives east of England) the Moon will go undergo one of the best eclipses it can. ... The Moon stays in the Earth's shadow in a lunar eclipse longer the Earth stays in the Moon's shadow during a solar eclipse. ... 2008 Phil Plait. ...

Еще в разделе: (Показать все результаты (>396) - www.badastronomy.com/ )

• Phil Plait's Bad Astronomy: Info

... Home Observing Central Park ? ... 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 . ... The AAA hosts solar observing in Central Park one Sunday afternoon€аeach month.€а WeтАЩre located right by Bethesda Terrace and Fountain , middle of Central Park, just north of 72nd street. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by ....

Еще в разделе: (Показать все результаты (>623) - www.aaa.org/ )

• Julian Parks Gallery ? Amateur Astronomers Association of New York
• Solar Bridge Across New York Harbor ? Amateur Astronomers Association of New
• Poe Park, The Bronx ? Solar Observing ? Amateur Astronomers Association of New

12feb07 Measuring the SEFD around 1100 Mhz . ... bandpass filter low frequency falloff around 1130 Mhz . ... A 500 Mhz bandpass centered on 1100 Mhz (via the spectrum analyzer) showed a 6 db difference between 1100 Mhz and the noise floor at 1000 Mhz. ... The interim correlator was used with 25 Mhz bands centered at: 1040, 1060, 1080, and 1100 Mhz. ... 1040 Mhz cfr trking src(.gif) There is probably not very much sky signal getting into this band so it looks better than it should. ...

Еще в разделе: (Показать все результаты (>2302) - www.naic.edu/ )

• Power line filters
• Polyphase Filter Bank
• lowpass digital fitlers

... First Contact Moon begins to move over Sun from West Starts at ~5:44:45 AM (about 10 minutes after sunrise) Must observe sun with filter! Good time to check and adjust mount tracking and alignment Watch for sunspots 6/21/ 2001 - Zambia ( Mario Motta ) First Contact Crescent images of Sun Natural pin-holes such as leaves on trees Pin-holes in cardboard Mario Motta Watch sky and environment Gradually darkens Temperature drops 8/11/1999 Hungary (Eric Pauer) ~1 min Before Second ...

Еще в разделе: (Показать все результаты (>66617) - www.atmob.org/ )

... Tonight's Sky . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Filtered solar views . ... With the range of filters and telescopes available for solar observing these days, we have never had a better opportunity to safely observe the Sun from the comfort of our backyards. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

Еще в разделе: (Показать все результаты (>6545) - www.astronomy.com/ )

• How do light pollution filters work? Do they actually help? | Astronomy.com
• Using filters | Astronomy.com
• Maximize a minimum filter | Astronomy.com

... White Dwarf Spectra . ... New Paper! 9.24.2012 The WIRED Survey III: An Infrared Excess around the Eclipsing Post-Common Envelope Binary SDSS J030308.35+005443.7 , accepted to ApJ. ... Debes Sigurdsson, 2002 reaches 100 citations 2.20.2012 One of my first papers as a graduate student and the subject of my second year project, "Are There Unstable Planetary Systems around White Dwarfs?", has just broken the 100 citation count. ... I've accepted a new position! ... Welcome to my new webpage! ...

Еще в разделе: (Показать все результаты (>14335) - www.stsci.edu/ )

• Differential Photometry Across the Detectors
• Filters and Spectra GPI Data Pipeline 1.0 documentation
• Linear Ramp Filters