NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...

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... The choice of the spectrograph design (Fig.2) is determined by the quantity R, the overall dimensions of the PF cage and the restrictions on the rigidity of the structure of the device. ... As the camera's objective a fast 4-lens aplanat is used having a focal distance F cam =140 mm and a relative aperture of 1:1.8, the resolution at the centre is no less than 80 gr/mm, that over the field at a distance of 3 mm from the edge along the frame ( ) diagonal is 35 gr/mm. ...

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• di_eks
• instruct
• Emission molecular bands

Basic observing: Sky flats==twilight flats. Good because get uniform light. Bad because very short time available to obtain. Also may get stars within the field; for this do several different sky patches and take the mode or median. Dome flats. ... Bad because sometimes illumination is not good enough (Saku question: what is good?) Dome flats scale by integration time. Lamps for wavelength calibrations frequently. Acquire object frequently. Sky flats==twilight flats. ...

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• activities
• Chandra Images for G016.7+00.1
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... Does the time it takes different methods to create all the elements coincide with the universeт??s accepted age? ... Illinois Urbana-Champaign) Different kinds of stars create elements at different rates, all of which are consistent with the age of the universe. Get instant access to subscriber content on Astronomy.com! ... Registration is FREE and takes only a few seconds to complete. If you are already registered on Astronomy.com, please log in below. ...

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• Why do some stars appear to flash a variety of different colors when you look
• Out-of-focus observing | Astronomy.com
• Magnetic fields, subatomic particles, etc., traveling in different directions

.

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• Description of different types of shell

Diffuse interstellar bands (DIBs) and atomic lines are observed as interstellar absorptions in GALAH and other massive spectroscopic stellar surveys. By observing a given DIB toward many stars which are nearly in the same direction, but at different distances, one can reconstruct absorption sites along the line of sight. ...

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• Siding Spring Survey Follow-up Obs
• Melted remains of Cassegrain spectrograph are on the remains of the observing
• Student Briefing

... Telescopes ћ Binoculars ћ Microscopes . How to Select the Right Binocular . Meade Sports Optics Support . ... Most commonly, binoculars utilize either porro prisms or roof prism s for this purpose. ... Example: The Meade 8x42mm Waterproof roof prism binocular has a field of view 367 ft. wide for an object 1000 yards distant from the observer, yielding a field of view specification of 367 ft. at 1000 yds. ... Example: Meade 8x21mm Folding Roof Prism. ... Meade Binoculars Instruction Manual . ...

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• Meade Instruments Corporation - ETX Astro Telescope and ETX Spotting Scope
• Meade Instruments Corporation - Pictor Manual Part 13
• Telescopes - Products

This module provides the ability to set environment variables based upon attributes of the request. ... The mod_setenvif module allows you to set environment variables according to whether different aspects of the request match regular expressions you specify. ... BrowserMatch . ... Syntax: BrowserMatch regex env-variable [= value ] [ env-variable [= value ]] .. ... Module: mod_setenvif . ... The BrowserMatch directive defines environment variables based on the User-Agent HTTP request header field. ...

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• Apache module mod_auth_digest
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... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

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• Phil Plait's Bad Astronomy: Misconceptions

... Spacecraft . 29a. Satellite looking up . ... 29e. Explorers of distant space . Space Index . ... Many "down-looking" satellites also carry out local observations, among them Polar, Viking, Freja and satellites of the GOES and DMSP series. ... Other explorers of the distant magnetosphere have included the three ISEE spacecraft (International Sun-Earth Explorers), Polar in an elliptical polar orbit with cameras observing the polar aurora, and Image observing energetic neutral atoms. ...

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• Spacecraft Observing the Sun and the Heavens above
• Ion Rockets
• Multipoint correlations of the solar wind parameters observed by several

... Contact A Problem of an estimation of accuracy of the asteroid CCD observations . The Minor Planet Center supported by the Interntional Astronomical Union is the main office for keeping observational data of the small Solar System bodies and their investigations. ... At Pulkovo Observatory we are estimating an accuracy of the CCD asteroid observations obtained by amateurs and professional astronomers all over the World using the MPC database. ...

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... 8, ``Celestial Mechanics'', 2002 The ephemerides server of the Institut de m'ecanique c'eleste et de calcul des 'eph'em'erides N. Baron, J. E. Arlot Institut de m'ecanique c'eleste et de calcul des 'eph'em'erides, Paris, France The Institut de m'ecanique c'eleste et de calcul des 'eph'em'erides (IMCCE), formerly known as Bureau des longitudes, produces, since its creation (1795), the French ephemerides for most of the bodies of the solar system. ... The code of several theoretical models is provided...

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• (Untitled)
• Observers

... Perhaps the most interesting satellites in this group are the ones sent into distant orbits, some of them extending well past the Moon--e.g. the WIND spacecraft pictured here. Among them is a long series of IMP s (Interplanetary Monitoring Platforms) which sampled the Earth's distant magnetic environment, the magnetosphere, and the surrounding interplanetary region; IMP-8 is still returning good data, more than 20 years after its launch. ...

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• Spacecraft Observing the Sun and the Heavens above
• The Sun -- History
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Astronomes Amateurs du Luxembourg a.s.b.l. " We bring the Universe to you ! Founded in 1971 by a group of enthusiasts and star aficionados, our association is now counting more than 130 members.As a national association we attract hobby astronomers from the whole country to our regular night-sky observations and to the meetings in our club at Dudelange. ... by topic : PDF File Download (360KB) . ... Article about AAL in "Le Quotidien" newspaper of Juli 21 2005 - PDF File Download (132KB) . ...

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• AAL Homepage

Pulkovo NEO Page . ... EPOS Software Package . ... EPOS ( E phemeris P rogram for O bjects of the S olar system) is the Windows PC application for study and ephemeris support of observations of the Solar system objects. ... It controls the part of common data and transfers the control to one of the programs that solve the restricted set of tasks. ... So with the EPOS software package one can calculate the accurate ephemerides for many objects and get the quick illustration of their motion as well. ...

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• Pulkovo NEO Page: Estimation of Accuracy of the Observations

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . Support of activities at the Radio telescope General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope 's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication of ... 9.4 GHz band. ...

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... Solar Corona - Basic Level of Heliosphere. ... Solar Wind, Its Characteristics by Observation on the Terrestrial Orbit. ... Shock Waves in Heliosphere - General Physical Aspect and Features of Propagation of Solar Wind in Medium. ... Solar Cosmic Rays - Morphology, Origin, Energy Spectrum, Manifestrations in Outskirts of the Earth. ... Comets as Natural Heliosphere Probes. ... Dinamics of Heliosphere Dust - Light Pressure, Sublimation, Crashing, Sweeping by Solar Wind, Falling on Planetary Bodies. ...

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• Solar-Terrestrial Connections
• A computer controlled low light photometer for nightglow observations
• Explanations to ephemeris for physical observation of the planets for Computer

... This applet generates an observing list based on an observer's location and time. ... To use this program, enter in your location, and the local times at which you wish to begin and end observing. The date you enter should correspond to the calendar day at the time at which you begin observing. For example, if you wish to observe from 9:37 PM October 23, 2007 until 3:21 AM October 24, 2007, you would enter 21:37 for the starting time, 03:21 for the finish time, and 10/23/2007 for the date. ...

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• MASTER GLOBAL ROBOTIC TELESCOPES NET

... Moore Observatory is a research and advanced teaching facility of the University of Louisville. ... The 24-inch Ritchie Chretien (RC24) telescope is a research instrument used by faculty and graduate students involved in studies of exoplanets, optical properties of the atmosphere, and the development of imaging and spectroscopic technology. ... Kent (CDK20S) are collaboratively operated by the University of Louisville and the University of Southern Queensland for both research and education. ...

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• Shared Skies Live
• Transit Finder
• Student Telescope at Moore Observatory

Text of these problems is available also in other languages : . ... What can one see in the Moon's sky more often - the Sun or the Earth? ... There are about of 250 millions of stars in the elliptical galaxy M32 (a satellite of Andromeda galaxy). ... The masses of Capella's components. ... You are proposed to estimate the masses of Capella's components, using our observational data. ... A galaxy's mass. ... Estimate the mass of FGC 1908 and compare it to the mass of our galaxy. ...

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• IV International Astronomy Olympiad, Problems to solve
• The International Olympiad of Euro-Asian Astronomical Society
• II International Astronomy Olympiad, Problems to solve