... 2008 October 11 . 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. ... So far the sighting of a such a bright bolide meteor , produced as a space rock is vaporized hurtling through Earth's atmosphere, really is a matter of luck . ... About APOD | ...

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• APOD: 2015 October 17 - Bright Spiral Galaxy M81
• APOD: 2007 October 6 - X-Ray Stars of Orion
• APOD: 2007 October 11 - Bright Planets, Crescent Moon

Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

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... October 9, 1997 . Hale-Bopp and the North American Nebula . ... Explanation: Comet Hale-Bopp 's recent encounter with the inner Solar System allowed many breath-taking pictures. Above, Comet Hale-Bopp was photographed on March 8th in the constellation of Cygnus . ... The North American Nebula is about 1500 light years away, much farther than the comet, which was about 8 light minutes away. ... About APOD > . ...

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• APOD: October 16, 1995 - Starburst Galaxy M94
• APOD: 2000 November 8 - October Skylights
• APOD: October 18, 1999 - NGC 3603: An Active Star Cluster

... 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. ... While no ground-based sightings of the fireball seem to have been reported, this first ever impact prediction was confirmed by at least some detections of an air burst and bright flash on October 7th over northern Sudan . ...

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• October Mars
• Астронет > October Mars
• Kepler s SNR from Chandra, Hubble, Spitzer

Astronomy Articles . Articles | ... Moon | ... Astronomy Terms - To Help You Study The Universe - by Scott Gray, October 2006 . ... Find The Perfect Gift For Your Favorite Astronomy Nut - by Scott Gray, October 2006 . ... Astronomy Binoculars - The Skies The Limit - by Scott Gray, September 2006 . ... Magnification (Power) and Using Eyepieces - by Telescopes.com, September 2005 . ... Finding Himalia, the fifth brightest moon of Jupiter - by Rick Scott, October 2003 . ... This article explains. ...

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• Polish Amateur Astronomers Society - Krosno Branch, AstroGuide Listing
• John Brown New Orleans Sidewalk Astronomer, AstroGuide Listing
• Woman Astronomer, The, AstroGuide Listing

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Monthly Sky Notes . ... Posted on January 30, 2012 | 1 Comment If you look towards the west just after sunset this February you will see a very bright star in the darkening sky. ... Continue Reading.. ... Posted on December 5, 2011 | 4 Comments Which is the brightest star in the sky (apart from the Sun)? ... Posted on November 10, 2011 | 19 Comments What was the Star of Bethlehem? ... Posted on October 10, 2011 | ...

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• constellations | Astronotes - Part 5
• meteors | Astronotes
• october night sky wonders | Astronotes

... 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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... Home Education Classes AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . ... AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . AAA Winter Astronomy Class: Measuring Distances in Space тАУ Dec 2015 тАУ Feb 2016 . AAA Spring Astronomy Class: The Physics of Astronomy тАУ February - March 2016 . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ...

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• Lecture Series 2015-2016 ? Amateur Astronomers Association of New York
• Brooklyn Museum Plaza ? Amateur Astronomers Association of New York
• Amateur Astronomers Association of New York ? Amateur Astronomers Association

... Things to see in the morning skies, from Terry Moseley, IAA : . ISS IN MORNINGS: The International Space Station is making a series of morning passes at the moment - see www.heavens-above.com Look out for it when it passes close to.. BRILLIANT MORNING STAR VENUS: Venus is still the brightest object in the morning sky. ... Photo: Four planets photographed by Paul Evans on 8 October 2009, from Larne . ... International Year of Astronomy, Ireland National Node . ...

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• Armagh Observatory
• Objects in the Sky
• Galilean Nights: 22 and 23 October | International Year of Astronomy in Ireland

... Classical nova V2362 Cyg (N Cyg 2006, 21:11:32.34, +44:48:03.9, 2000 [position in ATel 928 is incorrect!] ) undergoes gradual increase of its brightness since middle of August, 2006 from the level of V = 11.9. ... Full width of Halpha line is 5900 km/s, and that one of Hbeta is 5300 km/s. We identified the strongest emission features as CIII+NIII blend centered on 4652A, [OIII]+NII blend on 5010A, NII+[NII] blend on 5708A, NaI+OI blend on 5920A. Absence of HeI lines at 6678 and 7065A is surprising. ...

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• http://jet.sao.ru/jet/~goray/comet17p/17p.htm
• http://jet.sao.ru/jet/~goray/838/v838ecl.htm
• http://jet.sao.ru/~goray/838/v838capture.htm

... all new HIPASS galaxies (Table 2.4) that have no yet been observed with the ATCA . ... Table : Remaining ATCA target list (sorted by RA) -------------------------------------------------------------------------------- Name RA DEC ID Max mom0 mom1 mom2 w50 w20 -------------------------------------------------------------------------------- ZSS 13 07:33:16 -28:41:07 new -HIZSS013 0.151 9.2 2077.6 21.6 52.8 144.6 HIP 358 07:44:56 -41:47:02 ESO311-G006/7 0.262 30.9 1049.4 34.5 127.1 149.5 ...

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• Pulsar Group Main/Visitors
• October 2008 ATUC meeting agenda and supporting documents
• October 2011 ATUC meeting agenda and supporting documents

In autumn 1994, two groups of astronomers announced that they had discovered Cepheid variable stars in a distant cluster of galaxies. ... As the term suggests, variable stars change in brightness over time. ... Variable stars are an ideal way to get high-school students doing real science, with real data, from the real sky. ... a sky chart to find the stars . ... Students can use the nearby stars to estimate the magnitude of Delta. ... Locate the star Delta in Cepheus and estimate its brightness . ...

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• ASP: Monster Comet Promises Big Show
• ASP: Contents, September/October 1997
• ASP: Contents, September/October 2006

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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• University of Oregon Center for High Energy Physics - Public Lectures
• Galaxy Gallery Page II
• U of O High Energy Physics Seminars

... Yes, Exploding Comet 17P/Holmes is one of the strangest things ever seen by astronomers - professional and amateurs alike. ... We also had some club members who received some Astronomical League awards...and we'd like to congratulate them! ... It is again a potluck, and is being held at the Masonic Temple in Galion ( 1252 State Route 598, Galion , OH 44833) Here's a map: Map of 1252 State Route 598 Galion, OH 44833-9367, US And, along with the party come RAS elections for 2008! ... Comet 17P/Holmes ...

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... 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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• default

... October 8, 15:00 15:40 . ... PDF [7.2б MB] October 8, 15:40 16:10 . ... The sky brightness, atmospheric extinction, cloud coverage and auroral appearance are obtained from these images. ... Aurorae are identified by comparing the observed sky brightness to the sky brightness expected from this model. ... The identification of few potential sites for future's larger facility require several instruments, measuring various site characterizing parameters. ...

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• General information
• Methods and instruments to measure/monitor major site properties
• Observatories

... Abstract . ... An Efficient ACS Coronagraphic Survey for Debris Disks around Nearby Stars . ... The Dynamic State of the Dwarf Galaxy Rich Canes Venatici I Region . ... High-resolution HST image of the face-on debris disk in the G2 dwarf, HD 107146 . ... Simulations of a nearby dwarf galaxy, a nearby giant galaxy and a distant giant galaxy; note that the last is similar in angular size to the dwarf, but has a much smoother brightness distribution (simulations from Ned Wright's ABC of distances . ...

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• STAN - October 2003
• October 2015 STAN
• October 2013 STAN

October 30-31, 1992 . ... Modified images of the October 30-31, 1992 event. (a) - This NRH image is adapted to show a very bright loop-like source over AR 7321 near the SW-limb identified with the X1.7 soft X-ray LDE event peaked on 30d at 17:30 UT (see the GOES-7 soft X-ray plot also at the upper right corner). ... Here and hereafter, the white features are radio filaments. (c) - This modified NRH image shows some large scale microwave blob chains and structures. ...

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• http://www.izmiran.rssi.ru/~ichertok/CHAINS/ANNOUNC/radio.htm
• October-November 2003

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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• Ganymede
• The Opening - 16 October 2006
• Behind house 16/17, the Bachelors Quarters, built 1950, demolished October...

... 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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• Star Names
• Buying a Star: the Facts
• Astronomers Demonstrate the Global Internet Telescope