... 2009 September 30 . Saturn at Equinox . Credit: Cassini Imaging Team , ISS , JPL , ESA , NASA . Explanation: How would Saturn look if its ring plane pointed right at the Sun? ... Every 15 years, as seen from Earth, Saturn's rings point toward the Earth and appear to disappear . The disappearing rings are no longer a mystery -- Saturn's rings are known to be so thin and the Earth is so near the Sun that when the rings point toward the Sun, they also point nearly edge-on at the Earth. ...

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• APOD: 2011 September 4 - In the Shadow of Saturn
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• APOD: 2006 September 5 - Bright Cliffs Across Saturns Moon Dione

... Saturn at Equinox . ... Credit Copyright: Cassini Imaging Team , ISS , JPL , ESA , NASA Explanation: How would Saturn look if its ring plane pointed right at the Sun? ... Every 15 years, as seen from Earth, Saturn's rings point toward the Earth and appear to disappear . The disappearing rings are no longer a mystery -- Saturn's rings are known to be so thin and the Earth is so near the Sun that when the rings point toward the Sun, they also point nearly edge-on at the Earth. ...

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... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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... 2000 September 6 . Emerging Planetary Nebula CRL 618 . ... ESAIC , HST , ESA , NASA . Explanation: CRL 618 may look to some like an Olympian declaring victory. ... Since then it has run out of core material to fuse and so has started to become a planetary nebula . In its current proto-planetary nebula phase, CRL 618 is evolving quickly, expelling hot gasses in complex jets and rings moving outwards faster than 700,000 kilometers per hour. ... About APOD | ... NASA Technical Rep.: ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...

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... i.e., the interaction of light (generally from the sun or moon) with stuff in the air: molecules, water: ice and drops; crud; smoke.. ... Ice crystals: halos, sun pillars: the whiteness and brightness of snow . ... What to look for: common halos; coloured and white structures; symmetry and asymmetry . ... How crystals float in the air; the specific orientations mean that some halos change shape and position as the sun changes altitude . ... What do halos look like and how do we recognise them? ...

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In 2001, Westerbork observations of the disturbed galaxy named VV-29 (alias Arp-188, UGC-10214) showed that there is second smaller galaxy (named VV-29c) that appears behind the western side of the main body of the distorted galaxy. ... The galaxy was featured as the May 2, 2002 Astronomy Picture of the Day . ... When VV-29 had its 15 minutes of fame in May 2002, it appeared under the name "The Tadpole Galaxy," but based on the images above, we will always think of it as "The CHAINSAW"! ...

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... 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" . ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Hand-annotated sky chart showing meteors emanating from the constellation Auriga . ... That was the case for comet C/1911 N1 Kiess and its associated meteor stream, the alpha Aurigids. This activity of this stream is typically very low, only a few meteors per hour, but on certain years of the 20th century, significant outbursts of ~100 meteors per hour were observed. ... Meteor camera at Fremont Peak Observatory . ...

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• HISTORICAL BACKGROUND

Last modified: 13 September 1999 . ... V codes are for AO1 experiments W codes are for AO2 experiments VS experiment codes are VSOP Survey Observations VT Test/Calibration Observations ------------------------------------------------------------------------ EXPNO SOURCE FRQ Corr DOY DY: DATE UT RANGE #TEL TELESCOPES VS06a J0525-45 C Pent 244 We:Sep-01 23:00 - 03:00 3 HH MP HO W081e2 J1635+38 C* Socr 245 Th:Sep-02 18:00 - 05:20 11 VLBA EB V093a W055h J1640+39 C ...

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Astronomy Discussion Forums . ... Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... New model: How do the Sun and Moon appear to move across the sky - mito111 - September 15, 2011 - 04:22 UTC . ... Note the change - rick_crockett - April 19, 2007 - 09:38 UTC . ... A Question Regarding Photons and Absolute Zero - inalitalllane - December 25, 2004 - 22:06 UTC . ... Virtual Space Agency - dupagepilot - November 18, 2003 - 12:03 UTC . ... www.astronomy.net . ...

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• You Can Make Stellar Images Brighter - an Astronomy Net Article
• Articles written by astronomers for astronomers of all ages.
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... 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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... Circumstellar disc of beta Pictoris: constraints on grain properties from polarization. To appear in the Astronomy & Astrophysics . abs , src , ps ] . ... Dust influx to Titan from Hyperion . ... abs ] . ... Characteristics of bulges and disks in interacting galaxies . ... Dust grains around Herbig Ae/Be stars: porous, cometary-like grains? ... To appear in the Astronomy & Astrophysics Supplement . ... Finally, Links may lead you to more options (e.g. via the LANL preprint system). ...

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M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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. Enigmatic Iapetus appears two-faced: Its trailing hemisphere glows much brighter than its leading hemisphere. In this view, a small part of the trailing hemisphere appears at the imageтАЩs bottom. Cassini will get its best view of Iapetus when it flies by in September. NASA/JPL/SSI

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B791584F8-B2ED-4798-B335-538FC86BCE70%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B23D6F17B-BB3E-484A-A3DC-FF6F6B88C8B5%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B1D9CCD4E-CDE4-4B91-897F-535B924AC5BE%7D

... Berry, Richard Discover the Stars. ... An excellent brief guide if you want more detailed star charts and information than our kit has, in an easy-to-read format. ... A 50-Year Astronomy Field Guide. ... Handy book by an amateur astronomer with many clear guides to what to see when in the night sky, including specific moon and planet information for half a century. ... Web Sites . ... Weather Underground Star Maps: http://www.wunderground.com/sky/index.asp . ...

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Seven months ago, on Mar 19, 2008, at 09:12 Moscow time, a new star appeared on the sky. The Sun had already risen over the Russia, but people of the Western hemisphere might be able to see by their eyes a faint starlet near one of Bootes constellation stars. This starlet appeared and faded by an order of magnitude in a minute. Astronomers named it GRB080319B or, informally, the Naked-Eye Burst, as it was twice as bright as human eye can see a star. ... Royal Astronomical Society . ...

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... 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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... Home Education Workshops at Adorama Astro Imaging Workshop: Deep Sky Astro Imaging with a DSLR ? September 14, 2014 . ... Astro Answers . ... 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 . ... Presented by€а Adorama €аFor the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• Total Lunar Eclipse ? September 27, 2015 ? Amateur Astronomers Association of
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Making HST Pictures: Examples and Illustrations . ... These illustrations represent some of the steps and techniques used to produce “pretty pictures” from HST images. ... TIFFs (ftp) . ... Separate images are exposed through different color filters. ... An alternate way to make color images . ... Eight bit (one byte) images contain 256 different values that may be represented by 256 shades of gray or 256 arbitrary colors from a color map (or palette) of all possible colors. ...

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