Describes how spatial region boundaries are handled. The golden rule for spatial region filtering was first enunciated by Leon VanSpeybroeck in 1986: . ... With this in mind, the rules for determining whether a boundary image pixel or table row are assigned to a region are defined below. For image filtering, pixels whose center is inside the boundary are included. ... That is, an row is inside the boundary without regard to its integerized pixel value. ...

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• A Region mask for a radial profile in concentric, elliptical annuli
• A box, to include extended emission
• Region Markers

... 2014 May 6 . Orange Sun Sparking . Image Credit Copyright: Alan Friedman ( Averted Imagination ) . ... Taken only two weeks ago, the Sun was captured sporting numerous tumultuous regions including active sunspot regions AR 2036 near the image top and AR 2038 near the center. Only four years ago the Sun was emerging from an unusually quiet Solar Minimum that had lasted for years. ... Spicules cover much of the Sun's face like a carpet. ... News: Free APOD Lecture in Paris on June 17 . ...

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• APOD: 2014 February 3 - Lunar Time Lapse Panorama including Yutu Rover
• APOD: 2013 February 22 - Curiosity Self Portrait Panorama
• APOD: 2001 December 25 - Star Forming Region Hubble V

... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...

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... Star Forming Region Hubble V . ... 25.12.2001 . ... Hubble Heritage Team , NASA Explanation: How did stars form in the early universe? Astronomers are gaining insight by studying NGC 6822 , a nearby galaxy classified as irregular by modern standards but appearing more typical of galaxies billions of years ago . ... Publications with keywords: Hubble V - NGC 6822 - star formation . Publications with words: Hubble V - NGC 6822 - star formation . ... A Galactic Star Forming Region in Infrared . ...

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• The Sun Rotating
• Journal "Peremennye Zvezdy"
• Астронет > The Sun Rotating

... Radio astronomers at Arecibo Observatory observe a wide variety of phenomena in the Milky Way and in other galaxies. ... Some REU projects are carried out on pre-existing data, and others rely on obtaining new data. ... Deriving a new shape model from existing radar images has been a popular student project in past years, and there are data sets that could be used for this. We are collecting thermal infrared emission data for many of the near-Earth asteroids that are also observed with radar. ...

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• Jonathan T. Fentzke National Astronomy and Ionosphere Center (Arecibo
• I-GALFA View of a Galactic Tangent Region
• Galactic ALFA Surveys

Next: C.S. Jeffery, Research Astronomer Up: Research Previous: J.E. Chambers, Research Astronomer Contents . ... We examine spectral time-series of two lower-chromospheric lines observed with SUMER/SOHO (N I and C II ). ... Two examples of explosive events observed with SUMER/SOHO in transition region spectral lines are reported here; one detected in C IV 1548?, in a region within the northern polar coronal hole, and the other in O VI 1032?, in an active region. ...

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• C.J. Butler, Research Astronomer
• Armagh Astronomers to observe Ringing Star with Global Telescope
• Research

... A detector map is used to provide a grid of positions over which to calculate and flux weight the ARF. The default detector map is 'flat' which has a weighting of 1.0 for each detector map pixel and is rectangular having sides which just encompass the region specified in the DSS. Only detector map pixels falling within the source region are included in the ARF calculation, e.g. for a circular source box, the pixels in the corners of the detector map will be ignored. ... flat : . ...

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• Example 8: Finding the cross-region ARF
• XMM-Newton SAS: Watchout Page

... Top Attractions of Russia . ... We sincerely hope the situation will improve and we are planning to include these regions as soon as it becomes possible. ... Southern Urals (including Bashkir State Reserve) . ... Eastern Sayan Mountains (including Tunka Range) . ... Altai Mountains (including Lake Teletskoe, Altai State Reserve, Katun Range) . ... Sub-Polar and North Urals and virgin forests of North of European Russia (including Yugyd-Va National Park and Pechora-Ilych National Reserve) . ...

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• Information about different buses in Moscow Region (in Russian)

... The BL Lac objects found within DXRBS fall mostly in the range . ... A large fraction of the BL Lacs so far in our sample are at L X / L R < 10 -6.5 , the region of Figure 6 populated by LBLs. In this region of parameter space (to the left of the left-most dashed line in Figure 6), DXRBS includes objects up to two orders of magnitude fainter than the 1 Jy survey. ... For comparison, we have plotted the values for members of these three ROSAT-based surveys (DXRBS, HQS/RASS and RC) in Figure 7. ...

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• ESO - Thesis Topic: Discovery and characterisation of Pre Main Sequence stars
• ESO - Thesis Topic: Planetary Nebulae and HII regions in the Elliptical Galaxy
• AdelePlunkettAstro

... Classes . ... casa . casa::WCConcatenation . ... WCConcatenation (const PtrBlock < const ImageRegion * > &regions, const WCBox &extendRange) . ... WCConcatenation ( Bool takeOver, const PtrBlock < const WCRegion * > &regions, const WCBox &extendRange) . ... Copy constructor (copy semantics). virtual . ... Copy constructor (copy semantics). virtual casa::WCConcatenation::~WCConcatenation . ... Get the class name (to store in the record). virtual WCRegion * casa::WCConcatenation::cloneRegion . ...

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• casacore: images/Regions/WCPolygon.h File Reference
• casacore: images/Regions/WCBox.h File Reference
• casacore: images/Regions/WCExtension.h File Reference

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . Sun . ... March . ... The extent of the solar eclipse of 3 November€а 2013 at 13:22 UTC as seen from Accra, Ghana. We will see a similar sight.€а (Image credit: Kwabena under Creative Commons Licence) . ... Your viewing location is not important as long as it offers an unobstructed view of the south eastern sky.. ... You can use ?eclipse glasses? to view the Sun, these are made from aluminized Mylar filter material. ...

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• M78 off Orion: Bladerunner Nebula? | Astronotes

... June 25, 1996 . A Star Forming Region in the LMC . ... Explanation: Stars sometimes form in colorful ways. Pictured above is a small region in the nearby LMC galaxy where stars are forming. ... It may develop a strong wind which pushes away nearby gas ; it may be so hot and intense that emitted light boils away nearby dust and gas , and it may be so massive that it soon goes supernova and catapults its elements back to the interstellar medium . ... About APOD | ... Specific rights apply. ...

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• APOD: June 16, 1998 - An Active Region of the Sun
• CHIANTI: A Database for Astrophysical Emission Line Spectroscopy
• APOD: November 11, 1997 - The Annotated Galactic Center

... A typical density of energetic ions is 1 per cubic cm., and the ions are matched by electrons, generally of lower energy. ... This region is almost empty of plasma--typical density 0.01 ion/cubic cm., the "best vacuum" in the Earth's vicinity--but it contains a relatively strong magnetic field which, since it fills a large volume, can store appreciable magnetic energy, Many believe that this is the storehouse from which substorms draw their energy, releasing it quite rapidly. ...

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• The Radiation Belts
• Plasma sheet and PSBL [Oulu]
• Solar wind and IMF [Oulu]

OFFICIAL PRESS-RELEASE . ... to S.P. Korolev RSC Energia . A delegation from the House of Representatives of the US Congress headed by Congressman James Walsh has visited this afternoon S.P. Korolev Rocket and Space Corporation Energia. ... Congressmen, in the person of J. Walsh, expressed a high opinion of the progress of work on ISS in Russia with the prime role of S.P. Korolev RSC Energia, and noted the highest level of professionalism of the company's employees. ...

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• S.P. Korolev RSC Energia - News

... Science highlights . Exoplanets Disks 2016 . ... My post on the STScI science blog: "Disk, gaps, and exoplanets - a journey on the wings of a dragonfly" . ... Read here the scientific publication of this work, on the Astrophysical Journal: Banzatti Pontoppidan 2015, ApJ, 809, 167 . Read here a more poetic description on the STScI science blog: "Disk, gaps, and exoplanets - a journey on the wings of a dragonfly" . ... Do exoplanet compositions retain the imprint of large-scale disk processes? ...

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• COS Data Quality Flags
• WFPC2 Bright Star Avoidance Regions
• CoStar spectra and HII region models

... The TESIS is a set of solar imaging instruments developed by the Lebedev Physical Institute of the Russian Academy of Science, and launched aboard the Russian spacecraft CORONAS-PHOTON on January 30, 2009. The main goal of the TESIS is to provide complex observations of solar active phenomena from the transition region to the inner and outer solar corona with high spatial, spectral and temporal resolution in the EUV and Soft X-ray spectral bands. ... Solar activity hits a new low . ...

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• Sunspots and active regions September 09, 2015
• Sunspots and active regions January 01, 2014
• Sunspots and active regions January 01, 2016

... For complete information about the apparent distribution of HII-regions along the whole galactio equator o Catalogue of 698 known emission nebulae is given on the basis of 13 lists and catalogues of these objects. ... The list of objects from the source-catalogues of HII-regions excluded as SNR, planetaries and galaxies is also given. to be added S number reconstructed from MSL_OPT (Dixon) No RA(1950) DEC(1950) lll.l bb.b Dia" Source NGC,IC,M 1 00 00 18. ...

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• A 10-GHz Radio Continuum Survey
• The Parkes 6 cm Galactic Survey
• A 5-GHz VLA survey

... Moon Story . ... There is a lesson in the poem, however: We on Earth always see the same side of the Moon because the Moon rotates exactly once and revolves exactly once in a month. ... see activity . ... children learn that the Moon is a sphere, and we always see the same side . ... why do we only see one side of the Moon? ... children learn that the Moon is always facing us because of its monthly cycle of rotation and revolution, and that the Sun affects how much of the Moon we see each night . ...

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• ASP: Good Astronomy Activities on the WWW
• ASP: Miranda: A Jigsaw Puzzle World
• ASP: Astronomy Behind the Headlines

... The main research task of the LRS was an investigation of interstellar medium of our Galaxy using its line emission in radio domain with the help of the gratest RATAN-600 Radio Telescope. ... The complex investigation of the Interstellar Clouds structure on the different scales and with the different radio lines for understanding of structure, dynamics and evolution of interstar gas and its interaction with other galactic constituents and the conditions for star formation. ...

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• The C Preprocessor
• Writing programs that use comedi and comedilib

... Solar Variability Affecting NGDC-05/1 - 1 disc. This CD-ROM contains solar flare reports, sunspot numbers abd regions histories, total solar irradiance, and solar bursts. Some available data are digital geomagnetic hourly values, magnetic activity induces, cosmic ray observation, solar wind and IMF hourly values, list of magnetic storms. ... This disc contains solar emissions recorded since 1960 at ground obbservation stations, available on this CD at discrete and sweep frequencies. ...

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• http://www.wdcb.ru/stp/cat2ION.html
• http://www.wdcb.ru/stp/data/cosmic.ray/G%20L%20E/C065/GLE%2365.TXT
• http://www.wdcb.ru/stp/data/cosmic.ray/G%20L%20E/C066/GLE%2366.TXT