... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Many meteors will be visible when the Earth encounters the 1733 trail and then the 1866 trail. ... Observers in Europe and Africa can witness the former encounter and in eastern USA and eastern Canada the latter, a day or so after the Earth passes through the orbital plane of Comet 55P/Tempel-Tuttle. The lunar phase, around last quarter, will be unfavourable. ... Go to Armagh Observatory Leonid page . ...

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• Armagh Observatory
• Faulkes Telescope
• Want to observe? Read the guide given by Tolis | International Year of

... A glance at the article might leave you assuming that the planet was discovered using a large telescope at a remote, high-elevation location or perhaps by a multi- billion dollar observatory in Earth orbit. Reading on, you may be surprised to find that astronomers actually discovered the planet with a small telescope located not too far from the city of Tucson, Arizona. ... Well, don't give up, because you can observe interesting celestial sights near low-elevation big cities. ...

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• ASP: Using Multicultural Dimensions to Teach Astronomy
• ASP: Guest Observer
• ASP: Sharing the Universe

... Fields Observed . ... Data Archive . ... Complete Optical and X-ray data for all ChaMPlane fields are available through the DS9 VO interface . ... functionality of DS9 is available to manipulate the results in addition to those provided by the "Champlane tools" You can select images, compare . ... our region of interest has been selected by drawing a red square region on the image. at bottom left the high res optical image of that selected region, and on the right is the X-ray image. ...

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• *tvimcontour* - Overlay contours and/or source positions on the display
• ChaMPlane apj_appendix
• Filtering ROSAT HRI data on the basis of background level

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

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• VISTA - Images of Camera
• VISTA Exposure Time Calculator Help v1.0

... Polish scientists at the Space Research Centre, Polish Academy of Sciences, in Wroclaw, south-west Poland, have constructed an instrument called SphinX (short for Solar PHotometer In X-rays), which is an X-ray spectrophotometer, that will obtain spectra in the energy range 0.5--15 keV in 256 energy channels with frequency of up to 100 times a second. ... SphinX is part of a package of instruments known as TESIS (PI Prof. Sergei Kuzin, Lebedev Institute, Moscow). ... Space Research Centre, . ...

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• Magnetic storms online March 09, 2012
• TESIS has photographed this year's most powerful solar flare
• Magnetic storms online June 23, 2015

The problem of solar wind data correlation for the observations onboard several spacecraft is very important for three points of view: . ... This problem is studied now in detail by systematic determination of ion flux and ion velocity data correlations by INTERBALL-1 (IKI group), WIND and IMP 8 (both - MIT group). ... Solar wind plasma correlation lengths from IMP 8, WIND and INTERBALL-1. ... Correlation of solar wind observations onboard several spacecraft: INTERBALL-1, IMP 8 and WIND data. ...

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• Lagrangian Points
• Corrected Geomagnetic Coordinates
• The Scale of the Solar System

The Wind spacecraft. ... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... For additional details and updates, see the home page of the "Wind" mission. Exploration" home page (index) Glossary . ...

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• The Sun
• Lagrangian Points
• Corrected Geomagnetic Coordinates

... Tonight's Sky . ... Mars . ... Home . ... Observing . ... Mars orbiter repositioned to phone home Mars landing . ... Two other Mars orbiters, NASAт??s Mars Reconnaissance Orbiter and the European Space Agencyт??s Mars Express, also will be in position to receive radio transmissions from MSL during its descent. ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

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• U.S. sci-tech position at risk | Astronomy.com
• First North American antenna enables next phase in ALMA Observatory |
• Adam Block | Astronomy.com

... Clouds and the Moon Move to Block the Sun . ... Explanation: High above a small church near Vienna, Austria , clouds and the Moon vied for position in front of the Sun. Such was the case on the ground late last month during a partial eclipse of the Sun visible throughout Europe and Asia . Nearing the farthest part of its orbit around the Earth , the Moon's angular size was too small to block the entire Sun, a situation that would have resulted in a total solar eclipse . ...

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• Астронет > Clouds and the Moon Move to Block the Sun
• Астронет > Англо-Русский Словарь
• Journal "Peremennye Zvezdy"

... DLTS . ... Deep Level Transient Spectroscopy ( DLTS ) is a unique and powerful tool for the study of electrically active defects (known as traps) in semiconductors. DLTS can be used in one of two modes of operation; with Schottky diodes or with p-n junctions. ... The capacitance transient is measured as a function of temperature (usually in the range from liquid nitrogen temperature to room temperature 300K or above). ...

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• LHPP ISSP RAS
• Лаборатория Спектроскопии Дефектных Структур ИФТТ РАН

... 2003 June 18 . Clouds and the Moon Move to Block the Sun . ... Explanation: High above a small church near Vienna, Austria , clouds and the Moon vied for position in front of the Sun. Such was the case on the ground late last month during a partial eclipse of the Sun visible throughout Europe and Asia . Nearing the farthest part of its orbit around the Earth , the Moon's angular size was too small to block the entire Sun, a situation that would have resulted in a total solar eclipse . ...

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• Contributions by amateurs: SN1996X.
• Light Curve Templete/Observing Form For Visual SNe Observers.
• Lighting plug-in

... Advises . Contact Advises . As an advise for amateurs we would like to underline: if it's possible, try to observe 3 asteroid positions per night and do not neglect to observe the Numbered Minor Planets in your telescope field of view as a "by product" of your observational programs. ... We think such estimations ought to be produced every morning after CCD observations of the moving celestial objects by observer himself. ...

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RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... SSRT - Receiving systems . The SSRT has two independent receiving systems for recording solar observational data, and several ancillary receivers for checking, setting up and adjusting the instrument. The base receiving systen is a multichannel filter receiver for a simultaneous recording in 180 channels with the 500 kHz band each, adjusted at steps of about 600 kHz. ... Channel's band . ...

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... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

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. A tree for site navigation will open here if you enable JavaScript in your browser. HOME . ABOUT ST-ECF . CONTACT . These pages provide links to information about HST instrumentation and how to apply for observing time. About HST . HST Documents (@STSCI) . Proposal Preparation (@STSCI) . Maintained by Harald Kuntschner <hkuntsch@eso.org> .

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• NICMOS Observes the Galactic Center
• ST-ECF IRAF package
• Imaging Polarimetry with NICMOS

... 24 } Line { SrcBlock sin SrcPort 1 DstBlock func1 DstPort 1 } Line { SrcBlock Fcn SrcPort 1 Points [0, -55] DstBlock func DstPort 1 } Line { SrcBlock (G*M) ^1/2 SrcPort 1 Points [25, 0] DstBlock func DstPort 3 } Line { SrcBlock func SrcPort 1 Points [40, 0] Branch { ...

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Stellarium 0.12.3 . ... Classes . ... Quasar Class Reference . ... Quasar (const QVariantMap &map) . ... Get a QVariantMap which describes the Quasar . ... getSelectPriority (const StelCore *core) const . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getVMagnitude (const StelCore *core, bool withExtinction=false) const . ... getAngularSize (const StelCore *core) const . ... getPositionInfoString (const StelCore *core, const InfoStringGroup &flags) const . ...

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• Stellarium: BigStarCatalogExtension::StarWrapper< Star > Class Template
• Stellarium: Supernova Class Reference
• Stellarium: Nebula Class Reference

Next: Scattering properties Up: Polarization properties (transmitted radiation) Previous: Linear polarization: wavelength dependence . Traditionally, the main problem considered in connection with circular interstellar polarization is the meaning of the wavelength where changes the sign . ... This is also demonstrated by Fig. 19 (lower panel) which shows the wavelength dependence of the factors of linear and circular polarization for particles of magnetite as was done by Shapiro ([ 1975 ]). ...

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• Database of Optical Constants -- Level: welcome
• Silicate minerals
• The 2175? feature

Brad Carter, Carolyn Brown, Rhodes Hart Drew Foster, John Kielkopf, Ron Moore University of Southern Queensland, Australia University of Louisville, Kentucky, USA OVERVIEW Mt Kent Observatory is now providing live remote observations of southern skies as part of a collaborative project between USQ, the University of Louisville, and Northern Kentucky University. ... This enables observers to make daytime use of a remote telescope during its local night-time, and image otherwise inaccessible skies. ...

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• Observing for Students and Visitors
• Moore Observatory Remote/Robotic Telescope
• Shared Skies Partnership Project

... Observing . ... Home Education Workshops at Adorama Astronomy Workshop: Observing Variable Stars from the City ? February 15, 2015 . ... 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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• Amateur Astronomers Association of New York ? Amateur Astronomers Association
• Observing Resources for Amateur Astronomers ? Part 3: Advanced Observers ?
• Poe Park, The Bronx ? Solar Observing ? Amateur Astronomers Association of New