... Tonight's Sky . ... The Magazine . ... Observing . ... 50 Greatest Mysteries . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Mercury's great display before dawn . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

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• When will Comet Halley next pass near Earth? Are there any other comets that
• Stellar effervescence on display | Astronomy.com
• near earth objects | Astronomy.com

Finding Himalia, The Fifth Brightest Moon Of Jupiter . Articles | ... Himalia is the only moon other than the Galilean moons of Jupiter that is visible in an amateur size telescope. ... I normally use “The Sky” from Software Bisque for planning my observing sessions and in helping me find objects, but it only has the Galilean moons for Jupiter so I used Red Shift (version 3 at the time) which I also had on my computer. ... www.astronomy.net . ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Geo Astro Java Applets, AstroGuide Listing
• Meade ETX, A Telescope For The Masses. - an Astronomy Net Article
• Astronomy articles, forums, listings, and other resources about Astronomy.

... In addition to bug fixes and minor changes too numerous to mention, here is a list of the more significant fixes and enhancements: - The program runs at least 3-4X faster (and more so for certain operations), and now requires 128MB instead of the 256MB previously. ... Except for Tycho- and PGC-only objects, it is possible to label all deep-sky objects, provided the current magnitude limits are set faint enough. ... Multiple labels are no longer simultaneously drawn (less clutter). ...

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• Displaying Errors with the JavaScript Console
• Fabrizio Massi's home page
• Uranus' Moon Umbriel

... Get lid on trolley . ... DONE - Re-align metrology . ... Get drive motor amp status indicators working (not vital for FDR) . Get I^2C interface working (not vital for FDR) . ... DONE - opdgui: Add constant acceleration trajectory . ... DONE - opdgui: tooltips . ... Complete the 2D detail and 2D assembly drawings of the pipe support, anchor and their interfaces with pipe for NMT's test rig. ... Printable View of http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/pmwiki.php/MROIDelayLine/FDRTodoLists) ...

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• OptInt PmWiki : PmWiki / Page Directives
• NVSS Image ftp service (5 August 1998)
• OptInt PmWiki : FDR Todo Lists

... 9a. Earth orbits Sun? . ... 10a. Scale of Solar Sys. ... If the mean distance of Earth from the Sun is 1 AU ("Astronomical Unit"), then that of Venus is 0.723 AU, of Mercury 0.387 AU and that of Mars is 1.524 AU. ... By noting (1) where on the Sun's disk is the crossing seen, (2) timing its duration at two far-apart points on Earth, and (3) comparing the times, one can calculate the distance to Venus and from it the scale of the solar system. ... One occurred in 1639--too early. ...

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• INTERBALL IB_TAIL April 2000 during operation scheduling
• INTERBALL IB_TAIL October 1999 during operation scheduling
• IB_MAG5 December 1999 during operations scheduling

... Indiana Jones is a registered trademark of Lucasfilm Ltd. ... There's the intrigue of the megaliths of Stonehenge, the ancient pyramids of Egypt, the earthen figures of Britain and Peru, and the bloody rituals of the Maya. ... To make sense of these great structures and sophisticated concepts, archaeologists and astronomers have pooled their talents. ... People could use these alignments to synchronize their calendars or track the exact path of a celestial object. ... Maya glyphs of Venus. ...

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• ASP: The Nearest Stars: A Guided Tour
• ASP: Black Holes
• ASP: Counterpoint: Where Is the Best Place to View a Solar Eclipse?

image collection >> physical phenomena >> vortices . Image ers0205130118 . ... Cyclonic eddies on the front of the Soya Warm Current, La Perouse Strait. In the SAR image, the narrow bright band ~1 km wide is caused by current shift and starts near Kamen Opasnosti (Rock of Danger) where cold waters are located (see AVHRR image ). ... The third eddy also has the cold central area with SST equal to 5°C. The coldest waters (4°C) form a band to the southeast off the eddy's centre. ... Image . ...

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• Uranus' Moon Umbriel
• Parallax
• Neptune

Instrument . ... Scanning TV-sensor with on-board data recording system for global coverage mode . ... recording, direct transmission . ... IR-radiometer for global coverage and direct data transmission modes . ... The scientific instrument package onboard the Meteor-3 spacecraft provides for regular instant acquisition of images of cloudiness and Earth surface in visible and infra-red bands, data on air temperature and humidity, sea surface temperature and clouds temperature. ...

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Next: Imaging Polarimetry with NICMOS Up: NICMOS Data Calibration and Previous: The Photometric Performance of . ... NICMOSlook and Calnic C . ... Extracting spectra from a large number of NICMOS grism images requires a convenient interactive tool which allows a user to manipulate direct/grism image pairs. ... NICMOSlook and Calnic-C are two programs that were designed to take advantage of the fact that the NICMOS grism mode typically consists of taking both a direct and a grism image. ...

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• VLT First Light
• Space Telescope-European Coordinating Facility

... The conference will be also partially hosted by the Steklov Mathematical Institute, Gubkin 8, 119991, Moscow . The nearest metro stations are: Akademicheskaya (orange line) from which there is a 15-minute walk or Leninsky Prospekt (orange line) and Universitet (red line) from which one may take a tram No. 3 or 39 to the stop ?ulica Gubkina?. ... The location of the conference room at the building of the Steklov Institute will be announced later. ... Location of the Steklov Mathematical Institute . ...

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• Conference "Flows on surfaces, symbolic dynamics and dynamics in moduli spaces"
• Conference Moduli Spaces
• Idempotent Mathematics and Mathematical Physics '07

... 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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• LED Sign Info
• ESO Press Release 06/96, 16 February 1996
• Potential Energy

... To plot the data (and model, here xitau.model), I have read the model, computed the model values for the ASTROMETRY, and used Plot|ASTROMETRY to produce the ASTROMETRY plot widget. ... First, plot the data and with Util|Ellipse and the mouse buttons interactively define an apparent ellipse to fit your data as best as you can. ... Under Util|Orbit, there is a Thiele-Innes procedure to estimate the orbital elements using your apparent ellipse and Kepler's laws! ... Back to tour page . ...

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• IRAF/STECF imaging linear polarimetry simulation and reduction package
• The plot selection widget
• Infrared/visible crossfade of the Monoceros R2 star-forming region | ESO

Large-Scale Structure of the local Universe with INTEGRAL observatory >200-300 , . ... It is now widely accepted, that practically every galaxy in the local Universe has supermassive black hole and some of these black holes are AGNs. ... 136 ( ) 49- . ... The map of the survey is shown on the left. ... Using Hard X-ray all-sky survey such important properties of nearby Universe as energetics of accretion to the supermassive black holes and large-scale mass distribution of matter were studied. ...

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• http://hea.iki.rssi.ru/conf/hea2007/bbclone/doc/options.txt

... 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

Next: RSOG Pre-Observation Products . ... Mission Elements . ... The main mission elements (ME) are: . The RSOG, based at ASC, which is responsible for the science operation of the RadioAstron Mission. ... The Main Ballistic(Navigation) Center (MBC) belonging to Lavochkin Association coordinates preparation and exchange of orbit determination and orbit reconstraction ptoducts. ... Experiment codes of five characters are used in naming GRT related files. ... RSOG . ... Corr (GTS?) ... Corr (RSOG?) ...

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• Description of the RadioAstron project, english version
• P R O T O C O L

Stellarium 0.12.3 . ... Classes . ... FileљStructure . ... Protected Member Functions | ... StelSkyImageTile Class Reference . Base class for any astro image with a fixed position. More... #include < StelSkyImageTile.hpp > . ... StelSkyImageTile (const QString &url, StelSkyImageTile *parent=NULL) . ... Definition at line 62 of file StelSkyImageTile.hpp . ... const QString &љ . ... Definition at line 100 of file StelSkyImageTile.hpp . ... Definition at line 114 of file StelSkyImageTile.hpp . ...

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• Stellarium: SpaceShipObserver Class Reference
• Great Red Spot
• Jupiter

... Fitting the observed dependence includes calculations of the polarization cross-sections averaged over particles orientation and size distribution, their normalization and the comparison of obtained dependencies with Serkowski's curve representing observational data for a chosen star. ... Variations of the polarization factors with wavelength are shown in Fig. 16 for homogeneous spheroidal particles with PF orientation. ... The distinction between prolate and oblate spheroids is also clearly seen. ...

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• Travel to Saint-Petersburg | Radiation mechanisms of astrophysical objects:

... Fig. 1a,b. Location of slit spectrograms on the HА-line image of IC10. ... Relative abun dances Relative abundances of oxygen are derived using three methods. ... Figures 2, 3, 4 show the distributions of the inferred 12+log(O/H), log(N/O), log(S/O) values along the slits; we averaged the abundances over HII re gions from the catalog of Hodge and Lee [5]. ... Relative oxygen abundance along the slits. ... Relative nitrogen abundance along the slits. ... Relative sulf ur abundance along the slits. ...

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• Small telescopes short description
• Workshop 2015
• Discovery of an isolated dwarf spheroidal galaxy neighboring the Local Group

... Bad Astronomy . ... Movies . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Why are computers not displayed accurately in movies. In most movies I have seen, computers are not displayed accurately. ... Another thing is the sounds that a computer makes. Even in movies today, each keystroke corresponds with a beep or blip sound made by the computer. ... This isn't so much a question about computers as it is about movies. ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Bad TV
• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Misconceptions: Astrology