... Red Moon, Green Beam . ... The green beam of light and red lunar disk are real enough, captured in the early morning hours of April 15. Of course, the reddened lunar disk is easy to explain as the image was taken during this week's total lunar eclipse. ... Recorded on April 15th, this total lunar eclipse sequence looks south down icy Waterton Lake from the Waterton Lakes National Park in Alberta, Canada, planet Earth. ... Spica, Mars, and Eclipsed Moon . ... That's Mars, the Red Planet. ...

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... 2014 April 17 . Waterton Lake Eclipse . ... Explanation: Recorded on April 15th, this total lunar eclipse sequence looks south down icy Waterton Lake from the Waterton Lakes National Park in Alberta, Canada, planet Earth. ... In fact, the sequence effectively measures the roughly 80 minute duration of the total phase of the eclipse . Around 270 BC, the Greek astronomer Aristarchus also measured the duration of lunar eclipses - though probably without the benefit of digital clocks and cameras. ...

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• APOD: 2014 April 30 - A Partially Eclipsed Setting Sun
• APOD: 2014 April 16 - Spica, Mars, and Eclipsed Moon
• APOD: 2003 April 19 - Spiral Galaxy In Centaurus

... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... A pair of close encounters . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine ....

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• How close does Pluto's orbit come to Neptune? | Astronomy.com
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Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Space Flight . ... April . ... 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.. ... Posted on April 10, 2015 | ... Posted on March 27, 2015 | ... No Comments Would you like to discover more about the night sky? ...

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... April 12, 1999 . Nearby Spiral Galaxy NGC 4945 . Credit: 2P2 Team , WFI , MPG/ESO 2.2-m Telescope , La Silla , ESO . Explanation: For such a close galaxy, NGC 4945 is easy to miss. NGC 4945 is a spiral galaxy in the Centaurus Group of galaxies, located only six times farther away than the prominent Andromeda Galaxy . ... Therefore galaxy-gazers searching the southern constellation of Centaurus need a telescope to see it. ... About APOD > . ...

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• APOD: April 2, 1999 - Stars of NGC 206
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From: TerryMosel aol.com Date: Tue, 15 Feb 2005 20:16:09 EST Subject: Very near miss! Eclipse Trip, Lecture Hi All, 1. A close shave! We will have our closest yet predicted near-miss by an asteroid, called MN4, on Friday 13 April! ... However, the asteroid will come so close that it will pass between the Earth and orbiting telecommunications satellites - and, at 22,600 miles, will be the nearest predicted miss yet. ... More details later. ... Clear skies, Terry Moseley . ...

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• Observations with the Faulkes Telescopes
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... Its perihelion would occur on April 1, 1997, at which point the comet would be only 0.92 astronomical units from the Sun, just within the orbit of Earth. ... Taken in April 1993, the photo showed the comet over 13 astronomical units from the Sun, well beyond the orbit of Saturn. ... Hale, as in Comet Hale-Bopp, has written a book, Everybody's Comet (available through the ASP Catalog) and coordinated an Internet project, "Hale-Bopp: Live in the American Classroom." ... Anatomy of a comet. ...

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• ASP: Editorial: Climbing a Little Closer
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... Bad Astronomy . Misconceptions . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... As much fun as the movies are to review and the news is to analyze , it's the everyday misconceptions that to me are the heart and soul of Bad Astronomy. ... Everyone knows that you can stand an egg on end on the first day of spring... or can you? ... Bad Egg: More About Egg Balancing . ... The Dark Side of the Moon" . ... July 5, 2004) . ... Topics for "Coast to Coast AM" interview (Nov. ...

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MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...

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... 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. A total lunar eclipse will occur on April 15th, 2014, the first in two and half years. ... GLORIA will travel to Peru to broadcast the event live. ... Lunar eclipse . Lunar eclipses occur when the Moon passes into the Earth's shadow. ... A partial eclipse will be visible from the Canary Islands. The broadcast . ...

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• Events archive
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The HST images of GRB 990510. The images were obtained on 8.1 June 1999 (UT), 17.9 June 1999 and 29 April 2000. ... On this page we present the Hubble Space Telescope images of GRB 990510. ... The field of GRB 990510 was imaged by HST on 8.1 June 1999 (UT) 17.9 June 1999 (UT) and 29 April 2000 with the STIS/CCD camera in Open Filter (50CCD) mode. ... The suggestion of a host in the June 1999 image, led us to re-image the field in April 2000. ... The 29 April 2000 image of the field of GRB 990510. ...

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• HST this week: 105
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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. ...

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• The Brightest Moon
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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. ...

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• May 2007 ATUC meeting agenda and supporting documents
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Asteroid 2005 YU55 was listed on NASA's "Sentry Risk Page" as having as small (about one in 10 million) chance of hitting the Earth in the next century. We observed this asteroid with the Arecibo Planetary Radar system on April 19-23 2010. ... We obtained radar images of asteroid 2005 YU55 at 11 PM local time on 2011 Nov 9 using the Arecibo Observatory Planetary Radar System in Puerto Rico and the Robert W. Byrd Green Bank Telescope in West Virginia. ... Last modified 2011 November 14 . ...

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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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• Keywords_272
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This page is devoted to information on Supernova 1999gi in NGC 3184 . ... Information on the original web pages for many of these images can be found on the Supernova links web page. ... NGC 3184 is a fairly close Mag 10.3 galaxy, only about half as distant as the Virgo cluster. ... Seiichi Yoshida has a 1999gi page . Odd Trondal's 1999gi page . ... CfA image . ... 14.5 . ... Jean Marie Llapasset image . ... vsnet-alert 3805 ] SN 1999gi in NGC 3184 . vsnet-chat 2438 ] Host galaxy of SN1999gi . ...

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• THE BRIGHT SUPERNOVA 1991T IN NGC 4527; AN AMATEURS PRESPECTIVE
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. April 7, 1998 . Fig. 1. An example of the EUV and soft X-ray large-scale chain of bright point revealed by the modified SOHO/EIT and Yohkoh/SXT images. A coinciding almost straight-line chain of the bright points extends between very distant points 1 and 2 on the SOHO/EIT (a) and Yohkoh/SXT (b) images of April 7, 1998. Back to the page of the SOHO/EIT and Yohkoh/SXT chains . Back to the parent page . Last update: 9 August 1998 .

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• http://www.izmiran.rssi.ru/~ichertok/CHAINS/ANNOUNC/sohyoh.htm

... Version 1.21.2 2002-02-18 (CB) DEPEND file ammended to fix SPR 2755. ... Added checks on input file types. ... Version 1.7: 26th March 1999 removed accuracyLevel=LOW Version 1.6: 10th December 1998 updated Dependancy file RE: mssllib Version 1.5: 28th July 1998 images moved to primary array Version 1.4: 16th June 1998 SPR 407 closed : test harness now checks values SPR 406 closed : .par file changed SPR 405 closed : permissions changed Version 1.3: 21 May ...

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• http://xmm.vilspa.esa.es/calibration/documentation/epic_cal_meetings/200904/calderon_Status_Oper_2009.pdf
• http://xmm.vilspa.esa.es/calibration/documentation/epic_cal_meetings/200204/ringberg_MOS_cooling_tests_proposal_afa.pdf
• http://xmm.vilspa.esa.es/docs/documents/CAL-SRN-0070-1-0.ps.gz

... Research School of Astronomy & Astrophysics . ANU College of Physical & Mathematical Sciences . EXPLORE ANU . ... Research . ... ANU College of . ... SEARCH . ... Search query . Search . Search query Search button . ... Intranet . MSO intranet . ANU Outlook 365 login . ... The Research School of Astronomy and Astrophysics (RSAA) website has moved to http://rsaa.anu.edu.au . Please visit the RSAA site for more information about the school, our research, or observatories. ...

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• University Problem Based Learning Exercises for Teaching Astronomy and Physics
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. Pulkovo NEO Page . Central Astronomical Observatory at Pulkovo . of Russian Academy of Sciences, St.-Petersburg, Russia . Apparent Close Approaches of Near-Earth Asteroids to the Stars for April 2016 . By these observations it is possible to obtain the positions of asteroids with higher accuracy. This page includes the ephemerides of such phenomena for some observatories, namely: . Pulkovo . CrAO . Kourovskaya . Majdanak . Pulkovo Obs. Mountain Station . Mondy .

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