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1. APOD: September 4, 1998 - Nozomi: Earth and Moon
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. September 4, 1998 . Nozomi: Earth and Moon . Credit: Nozomi MIC Team , ISAS . ... This stunning picture of the crescent Earth-Moon system was taken by Nozomi's onboard camera on July 18 from a point in space about 100,000 miles from the Earth and 320,000 miles from the Moon. ... About APOD > . ...
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Ссылки http://www.sai.msu.su/apod/ap980904.html -- 4.7 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sistemasolare/Terra/earthmoon_nozomi_big.html -- 4.6 Кб -- 12.12.2000
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sistemasolare/Terra/earthmoon_nozomi_big.html -- 4.6 Кб -- 12.12.2000
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2. APOD: 2006 September 5 - Bright Cliffs Across Saturns Moon Dione
... 2006 September 5 . Bright Cliffs Across Saturn's Moon Dione . Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA . Explanation: What causes the bright streaks on Dione? Recent images of this unusual moon by the robot Cassini spacecraft now orbiting Saturn are helping to crack the mystery. ... The bright ice-cliffs run across some of Dione 's many craters, indicating that the process that created them occurred later than the impacts that created those craters. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap060905.html -- 5.5 Кб -- 02.10.2012
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3. Bright Bolide
... Credit Copyright: Howard Edin ( Oklahoma City Astronomy Club ) Explanation: On September 30, a spectacular bolide or fireball meteor surprised a group of amateur astronomers enjoying dark night skies over the Oklahoma panhandle's Black Mesa State Park in the Midwestern US. ... Earlier this week the discovery and follow-up tracking of tiny asteroid 2008 TC3 allowed astronomers to predict the time and location of its impact with the atmosphere. ... Publications with keywords: bolid - meteor . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1231347 -- 15.2 Кб -- 13.10.2008
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4. Low Surface Brightness Galaxy Gallery
In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...
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Ссылки http://zebu.uoregon.edu/sb2.html -- 4.8 Кб -- 26.05.2000
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5. Fireball of 21 September 2012: Image of the Month | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . Colin Johnston . ... Space Flight . ... Monthly Sky Notes . ... September . ... By admin September 24, 2012 Posted in: Comets and Asteroids . Space debris on a one-way trip.( Image credit:Colin Campbell) . Here is how Colin describes how he captured this remarkable image: . ... It really was quite stunning, like a slow moving firework. ... Posted September 25, 2012 at 3:23 PM . ... Fireball of 21 September 2012 | ...
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Ссылки http://www.armaghplanet.com/blog/a-fireball-in-the-night-image-of-the-month.html -- 42.7 Кб -- 09.04.2016
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6. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... September Perseid meteors captured by the . ... Its occurrence provides astronomers with interesting new data about the hidden trails of meteoroids тАФ small bodies ranging in size from fine dust particles to objects of marble-size and larger тАФ in the solar system and their supposed sources: comets and asteroids passing through the inner solar system. ... The particular comet that created the September Perseids is unknown...
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Ссылки http://star.arm.ac.uk/press/2013/meteor-outburst.html -- 9.3 Кб -- 18.09.2013
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7. Главная - Астрономия и Телескопостроение
... 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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8. What can astronomers tell us about the different colors on the surface of
... Moon . ... What can astronomers tell us about the different colors on the surface of Jupiter's moon Europa? ... We can use the colors of Europa s surface to tell us about the chemical compounds that make up the surface and subsurface of the jovian moon. Even before the first spacecraft made a close visit to Europa, astronomers on Earth used telescopes to study the moon and were able to use a technique called spectroscopy to determine that Europa s surface is composed mostly of water ice. ...
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Ссылки http://www.astronomy.com/magazine/ask-astro/2013/10/europa -- 63.5 Кб -- 10.04.2016
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9. Astro Imaging Workshop: Deep Sky Astro Imaging with a DSLR ? September 14, 2014
... 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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Ссылки http://www.aaa.org/education/workshops-at-adorama/astro-imaging-workshop-deep-sky-astro-imaging-with-a-dslr-september-14-2014/ -- 100.6 Кб -- 10.04.2016
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10. Stellar Photometry
... In order to obtain a quantitative estimate of the accuracy and reliability of our data reduction procedures and results, we have performed a data reduction pipeline based on the following steps: i) define a set of simulated HST-like images with synthetic globular cluster stellar distributions, which provide the ``true'' data for comparison; ii) convolve these images with appropriate assumptions of PSF and noise in order to construct simulated `` observed '' ... It contains 470 stars. b) ...
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Ссылки http://www.stsci.edu/stsci/meetings/irw/proceedings/fusipeccif.dir/section3_2.html -- 9.2 Кб -- 15.04.1994
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11. http://www.mso.anu.edu.au/~geoff/HEA/Magnitudes.pdf
Definitions of Magnitudes and Surface Brightness 1 The magnitude system 1.1 Apparent magnitude Astronomers are stuck with the antiquated old system of magnitudes and so a clear explanation of what this system is and how it relates to more sensible units is important. ... 1.2 Absolute magnitude Absolute magnitude is a logarithmic luminosity scale. ... One usually goes by the round about process of referring to the absolute magnitude of the sun. ... Magnitudes and surface brightness 6/6 ...
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Ссылки http://www.mso.anu.edu.au/~geoff/HEA/Magnitudes.pdf -- 15.0 Кб -- 12.04.2000
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12. Articles written by astronomers for astronomers of all ages.
Astronomy Articles . Articles | ... Moon | ... Astronomy Binoculars - The Skies The Limit - by Scott Gray, September 2006 . ... Astronomy Terms - To Help You Study The Universe - by Scott Gray, October 2006 . ... Himalia is the only moon other than Europa, Ganymeade, Callisto and IO visible with small telescopes. ... The Harvest Moon refers to the Full Moon that comes closest to the autumnal equinox, or the first day of autumn. ... Think the study of stars is best left to professional astronomers? ...
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Ссылки http://www.astronomy.net/articles/ -- 20.1 Кб -- 09.04.2016
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13. Astrophysics Group Surface Imaging of Betelgeuse
... Astrophysics Group . ... COAST . COAST Astronomical Results . Surface Imaging of Betelgeuse . ... Betelgeuse is a nearby red supergiant star, about 500 times larger than the Sun. ... Each image was taken through a different colour filter. From left to right, the images show how Betelgeuse appears in red (a wavelength of 700 nanometres), very near-infrared (905 nm), and near-infrared (1290 nm) light. To show this, we have coloured the images different shades of orange and red. 700 nm . ...
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Ссылки http://www.mrao.cam.ac.uk/outreach/radio-telescopes/coast/coast-astronomical-results/surface-imaging-of-betelgeuse/ -- 17.2 Кб -- 10.04.2016
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14. http://www.eso.org/public/news/eso1136/kids/
... If you were playing the card game Top Trumps about the different types of stars in the Universe, you would definitely want a Yellow Hyper-Giant star in your hand. Just take a look at the stats for the Yellow Hyper-Giant shown in this photo: It is about 20 times heavier, 1000 times wider and it shines 500,000 times more brightly than the Sun! ... When the star was burning hydrogen fuel in order to shine brightly like our Sun does now it was much smaller in size. ...
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Ссылки http://www.eso.org/public/news/eso1136/kids/ -- 9.7 Кб -- 11.04.2016
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15. Phil Plait's Bad Astronomy: Misconceptions
... Bad Astronomy . ... Bad Astronomy: The North Star, Polaris, is a very bright star. Good Astronomy: Polaris is a middling-bright star, easily missed. ... He said it was close to Polaris, the North Star, but he also said it was in the East. ... It's natural, I suppose, to think that such an important star should be bright, but really, that's a conceit, like thinking that the Earth is at the center of the Universe. If more people knew just why Polaris is the North Star, this Bad Idea would stop. ...
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Ссылки http://www.badastronomy.com/bad/misc/badpole.html -- 23.8 Кб -- 09.04.2016
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16. Sunspots and active regions September 09, 2008
... Sun images . ... Sun flares . ... Active areas . September : 2008 . ... No sunspots and sunspot groups can be currently observed on the Sun's surface . No H-alpha plages without spots can be currently observed on the Sun's surface . Last updated: September 10, 2008 00:00 UT . ... 1953-2016 Laboratory of X-ray astronomy of the Sun, LPI RAS, Russia . ... 7(499)132-65-96, Fax: +7(499)132-65-97 . ...
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Ссылки http://www.tesis.lebedev.ru/en/active_areas.html?m=9&d=9&y=2008 -- 15.6 Кб -- 11.04.2016
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17. The Pleiades
... 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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Ссылки http://www.naic.edu/~gibson/pleiades/ -- 29.7 Кб -- 07.02.2015
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18. Focus sweep data
... We had a unique diagnostic tool for determining whether or not the secondary was fractured during the dark run in that we had 3 sets of focus sweep data for the imaging camera taken on the nights of 05 October 1999, 11 October 1999, and 14 October 1999. ... Figure: 05 October 1999, CCD g1 . ... Surface plot. ... Figure 32 plots the same data but for CCD g3. ... Figure: Comparison of normalised brighness for the out-of-focus doughnuts for the nights of 05, 11, and 14 October 1999 for CCD g1. ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/SDSS/mirror_report/node5.html -- 15.2 Кб -- 24.11.1999
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19. Surface brightness measurements of extended galactic nebulae
... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Publications overview . ... Careers overview . ... ATNF facilities . ... Parkes radio telescope . Australia Telescope Compact Array . ... Parkes | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Surface brightness measurements of . extended galactic nebulae . ...
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Ссылки http://www.atnf.csiro.au/pasa/15_1/stark/paper/index.html -- 53.4 Кб -- 08.04.2016
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20. HyperLEDA documentation: compilation of surface brightness (a105)
Compilation of Surface Brightness . HyperLeda home | Documentation | Search by name | ... Search an object in the surface brightness catalogue . The surface brightness in magnitudes per square arcsec (mag arcsec -2 ) . ... Surface brightness at effective radius . ... Effective mean surface brightness within the effective radius (equivalent radius in which half the total flux is emitted). ... Quality Flag The quality flag has the following meaning: . ... regular measurement . ...
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Ссылки http://www.sao.ru/fetch/HL/leda/rawcat/a105.html -- 5.3 Кб -- 23.12.2013
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