... NGC 6302: Big Bright Bug Nebula . ... The bright clusters and nebulae of planet Earth's night sky are often named for flowers or insects, and NGC 6302 is no exception. ... Missoula Crater on Mars . ... Comets Bradfield and LINEAR Rising . ... On April 23rd, the Moon along with planets Saturn, Mars, and Venus (and planet Earth of course ...) were all visible in the west at twilight, captured here from a site near Saylorvillle Lake north of Des Moines, Iowa, USA. ... Comet Bradfield Rising . ... April...

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... 2002 April 18 . Planets in the West . ... Explanation: Have you seen any bright planets lately? ... Now shining in the west as bright " stars " in the night sky, are all five planets of the solar system known to ancient astronomers - Mercury, Venus, Mars , Saturn, and Jupiter . Recorded from Holt, Michigan, USA about 40 minutes after sunset on April 14th, this digital image captures three of them, Venus, Mars, and Saturn , along with a young crescent Moon . ... About APOD | ...

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• APOD: 2015 April 9 - A Golden Gate Eclipse
• APOD: 2007 April 29 - NGC 6302: Big, Bright, Bug Nebula
• APOD: 2014 April 16 - Spica, Mars, and Eclipsed Moon

... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

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• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• Brilliant planets gather at dawn | Astronomy.com
• Animations of icy planet formation | Astronomy.com

... 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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• Armagh Observatory
• May 2002 Planetary Alignment
• ASTRONOMICAL PHENOMENA FROM MARS

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Monthly Sky Notes . ... March . ... Posted on May 9, 2012 | 9 Comments €аA globular cluster is made of hundreds of thousands or even millions of stars packed together in a pretty compact ball. ... Continue Reading.. ... 15 Comments Today Sirius, the brightest star in the night sky is an unmistakable blue-white in colour although it does twinkle a lot and can appear to change colour. ... Posted on March 29, 2012 | ... What are the stars? ...

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• Moon | Astronotes
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• observing | Astronotes - Part 2

... Abstract . ... The Ages of Globular Clusters and the Population II Distance Scale . ... HST/FGS Astrometric Search for Young Planets Around Beta Pic and AU Mic . ... Luminous and dark matter in disk galaxies from strong lensing and stellar kinematics . ... WFPC2 Imaging of Fomalhaut b: Determining its orbit and testing for H-alpha emission . ... Globular clusters are the oldest structures within the Milky Way that are directly accessible to observation. ... Past weeks: . ...

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• HST this week
• HST this week: 105
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... April 2, 1999 . Stars of NGC 206 . ... Explanation: Nestled within the dusty arms of the large spiral galaxy Andromeda (M31), the star cluster NGC 206 is one of the largest star forming regions known in our local group of galaxies. The beautiful bright blue stars of NGC 206 betray its youth - but close, systematic studies of variable stars in and around NGC 206 will also accurately reveal its distance. ... About APOD > . ...

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• APOD: 2001 January 18 - 2001: A Total Lunar Eclipse
• APOD: April 30, 1999 - Solar Shock Wave
• TRACE_IMAGES

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

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Moon, Planets And Aurora, Oh My! Articles | ... Moon | ... How often do we see several planets and the Moon together? ... Then I look northeast and see more red through all the light pollution of Washington, D.C. I snapped this 15 second photo. ... What started out as a father son photographic safari for rare planet conjunctions turned into a spectacular night of memories. ... Aha, I see some red light near Orion. ... A Very Rare Red Aurora in Northern Virginia, . ... www.astronomy.net . ...

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• Solar Eclipses At Sea - Ted Pedas Associates, AstroGuide Listing
• Total Lunar Eclipse May 15-16 - an Astronomy Net Observation_reports Forum
• You Can Make Stellar Images Brighter - an Astronomy Net Article

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. ...

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• Chronology of early astronomy,mechanics and spaceflight
• The Nine Planets
• Appendices to The Nine Planets

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to Guesthouse . ... Travel to E-ELT Armazones . ... Survey Telescopes . ... Star Clusters . ... 1986 . ... Stars@ESO . ... Solar Eclipse at ESO HQ - 11.08.1999 . ... Eclipse of Pluto on April 2, 1986. The figure shows the light curve (time vrs. magnitude (logarithmic intensity)), as observed during an eclipse when Charon passed in front of Pluto on April 2, 1986. ...

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• The occultation of dwarf planet Makemake on 23 April 2011 | ESO Ireland
• The occultation of dwarf planet Makemake on 23 April 2011 | ESO United States
• The occultation of dwarf planet Makemake on 23 April 2011 | ESO Australia

... Home Articles Best Celestial Events of 2006 . ... Clear Sky Chart . ... Beyond New York City . ... Best Celestial Events of 2006 . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• Urban Lunar Eclipses ? Amateur Astronomers Association of New York
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• Deep Sky Images by Joe DiNapoli ? Amateur Astronomers Association of New York

... The Russian TESIS (FIAN) Solar Observatory has transmitted observations back to Earth of the solar eclipse made on July 22nd, 2009. ... On the first occasion, the satellite passed through the eclipse area at 04:30 Moscow time, making it the first on our planet to see the shadow of the Moon, which was still in space and was only approaching the Earth ( film 1.2 MB, wmv format ). ... The first Moon passage over the solar disk (00:30 UT) (Movie wmv; 1.2 MB) . ...

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• The culmination of the solar eclipse coincided with the strongest magnetic
• Project's diary
• The Russian TESIS Observatory will observe two solar eclipses from space

... 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. ...

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• Phil Plait's Bad Astronomy: Misconceptions
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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
• Solar eclipse 2015

... Indeed, one alteration of orbits can be the outright ejection of a planet. When several big planets are orbiting a star under each other's influence, the system is inherently unstable. ... We know of no good reason why the smallest objects with fusion should have the same mass as the smallest objects that can form by themselves. ... 6) Mission Definition . ... I don't think this mission is impossible, and will suggest a definition in a future article in Mercury. ... Good luck! . ...

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• ASP: Counterpoint: Where Is the Best Place to View a Solar Eclipse?
• ASP: Shadow Play: 1998's Total Solar Eclipse
• ASP: Australia?s 2002 Total Eclipse of the Sun

... Dept. for Astrometry & Space Geodynamics . ... Dept. for Physics of Stars&Galaxies . ... Dept. for Physics of Planetary Systems . ... Science . ... All Pages . ... Research of the stars with planets which pass apparent star disk (transiting exoplanets). The transit method based on a detection star brightness decrease during a passing of planet in front of its disk. Observed brightness system decries when planet pass star disk and its volume depend of the relative sizes star and planet. ...

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• Internet telescope
• MAO NASU :: Topic: Meeting on planets in Vietnam (1/1)

... Astrophysics Group . ... Exoplanets . ... Exoplanet UK Community Meeting ? Cambridge, April 14-16 2014 . Posters . ... Forming Circumbinary Planets: N-body Simulations of Kepler-34 . ... Giant planets and brown dwarfs around A-F type stars : a Harps survey . ... Dust grain velocities in exoplanets and Brown Dwarfs . ... Radio signatures of lightning discharges in exoplanets and brown dwarfs . ... 2013, Astrophysics Group, Cavendish Laboratory, JJ Thomson Avenue, Cambridge, CB3 0HE . ...

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• Astrophysics Group Research and Instrumentation
• Astrophysics Group Program and talks

... The apparent path of the Sun across the sky. ... Like the planets, the Sun, too, moves around the zodiac, making one complete circuit each year. ... 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. ...

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• Solar Energetic Particles
• The Path of the Sun, the Ecliptic --lesson plan #3
• Magnetic mapping file description

... More on 51 Peg: . The discovery of a Jupiter--mass planet in orbit around the solar--type star 51Peg has been reported by Michel Mayor and Didier Queloz (Geneva Observatory) on October 6th at the 9th Cambridge workshop on "cool stars, stellar systems, and the sun" held at Florence (Italy). ... Recall that the measurements of radial velocity only yield v sin i which in turn gives us M sin i. For most values of i, sin i will be greater than 0.5 and this gives a mass estimate of 0.5 Jupiter masses. ...

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• Astronomy HyperText Book: Stellar Clusters
• Astronomy Plus CCD Images of Galaxies
• Low Surface Brightness Galaxy Gallery