. True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . Images show regions used to extract spectra . Regions with red strikes are excluded . Background was subtracted from a region around or close to the SNR. Back to J0454.4-6713 Index . Chandra Supernova Remnant Catalog . Main Page | Galactic SNR | Magellanic Cloud SNR . True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR .

... Satellite data ] . SMIS ] . The program is designed to process the specific AVHRR instrument data for calculation and analysis of temperature fields on the sea surface and upper level of clouds. It performs brightness correction for visible channels with regards to clouds altitude. ... The program features a wide variety of classification algorithms (including two-dimensional histogram analysis) and enables to construct personal procedures for classification. ... Back to SMIS Home Page . ...

EMBARGOED UNTIL 3:30 p.m. MST, January 11, 1995 HUBBLE CAPTURES MERGER BETWEEN QUASAR AND GALAXY This NASA Hubble Space Telescope image shows evidence fo r a merger between a quasar and a companion galaxy. ... The bright central object is the quasar itself, located several billion light-years away. The two wisps on the (left) of the bright central object are remnants of a bright galaxy that have been disrupted by the mutual gravitational attraction between the quasar and the companion galaxy. ...

... Tonight's Sky . ... The Magazine . ... Observing . ... 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 . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...

... 1b. Pole Star . ... Two bright constellations occupy opposite sides of the pole star--the Big Dipper and Cassiopeia . ... The Big Dipper consists of 7 bright stars, forming a dipper, a small pot with a long handle. ... It shows the 7 stars of the Big Dipper and Polaris, the north star. ... Ursa Minor , the "Small Bear" or "Little Dipper" is a constellation somewhat resembling the Big Dipper, and Polaris is the last star in its tail. ... Questions from Users: About the stars of the Big Dipper . ...

Microsymposium 38, MS083, 2003 (A4 format) MERCURY: LOCAL VARIATIONS OF THE PHOTOMETRIC RELIEF. ... Because of trajectory and pointing angle constraints the planet could be observed from Mariner 10 only over a small range of phase angles between about 75o and 110o. Therefore the photometric investigations are restricted to measuring the distribution of brightness on the Mercurian disk. ... Raw versions of real-time processing pictures FDS 0000984 and FDS 0000986 were used (images 196 and 202). ...

... 145, 1998 R. Albrecht, R. N. Hook and H. A. Bushouse, eds. The Co-Addition Technique Applied to Images of Galaxy Cores W. W. Zeilinger Institut fur Astronomie, University of Vienna, Turkenschanzstraúe 17, ¨ ¨ A-1180 Wien, Austria P. Crane, P. GrosbÜl and A. Renzini European Southern Observatory, Karl-Schwarzschild Straúe 2, D-85748 Garching, Germany Abstract. ... Introduction Cores of galaxies are one of the main thrusts of present extragalactic research. ... References Crane, P. et al. ...

... Ðàçâèâàþùàÿ èãðóøêà Ëÿãóøêà Bright Starts ïðèâëå÷åò ðåáåíêà êðàñî÷íûì âèäîì, ïîäàðèò íîâûå îùóùåíèÿ è âñêîðå ñòàíåò ëþáèìîé èãðóøêîé, ïðèÿòíîé è âåñåëîé. ... Öâåò: ðîçîâûé . ... Öâåò: Êîðè÷íåâûé . ... Öâåò: íàòóðàëüíûé . ... Êðóæêà èìååò ñèëèêîíîâóþ êðûøêó îðàíæåâîãî öâåòà ñ ïðîðåçüþ äëÿ ïèòüÿ. ... Öâåò: ñèíèé . ...

. Ïåðâàÿ ñòðàíèöà Íàçàä Ïðîäîëæèòü Ïîñëåäíÿÿ ñòðàíèöà Îáçîð Ãðàôè÷åñêèå îáúåêòû .

1) Find the variable star and the comparison stars marked in the map. 2) Seeing the the variable star, try to imagine its location in the brightness interval between the reference stars. 3) Looking at the specially prepared scale, try to reproduce the location of variable in the brightness scale from memory. ... The grades of arbitrary scale are marked relative to brightness intervals between the reference stars. ...

Apr 13 2015 Sagitta - The Arrow IC 4997 12mmT4 17mmT4 Planetary Neb 1 PB,PS,R,CENTRAL REGION BRT ,W/OIII,HELPS MUCH,BM,FHALO DET AROUND MIDDLE,R=G VB,MS,BNUC,HISB,W/OIII,BRIGHT BLUE, BRT CENTRAL DISC WITH FAINT HALO,ALMOST *,R=G Jul 05 2008 31 Sep 10 2004 31 NGC 6838 M71 Globular CL,VL,VRI,PMC,*11.16 Mar 22 2004 12.5 12mmT4 25mm Sep 23 2003 31 25mm Aug 20 2003 31 Jul 30 1981 12.5 ...

XMM-Newton Science Analysis System . epatplot (epatplot-1.13.5) [xmmsas_20041122_1834-6.1.0] . ... interactive analysis . ... Figure 1: Example of epatplot output using a weak source from the Lockman Hole (Rev.70) observation . Figure 2: Example of epatplot output using a bright source (PKS2155), the pile-up is obvious in the keV range. Figure 3: Example of epatplot output using a bright source (PKS2155) where the central 20 arcsec radius has been excluded, the pile-up is gone. ...

... The Co­Addition Technique Applied to Images of Galaxy Cores W. W. Zeilinger Institut f˜ur Astronomie, University of Vienna, T˜urkenschanzstraúe 17, A­1180 Wien, Austria P. Crane, P. GrosbÜl and A. Renzini European Southern Observatory, Karl­Schwarzschild Straúe 2, D­85748 Garching, Germany Abstract. ... One may therefore take full advantage of the high resolution FOC images by co­adding them with (high signal­to­noise) ground­ based data. ... References Crane, P. et al. ...

... Bad Astronomy . ... Bad Astronomy: The North Star, Polaris, is a very bright star. Good Astronomy: Polaris is a middling-bright star, easily missed. ... He said it was close to Polaris, the North Star, but he also said it was in the East. ... It's natural, I suppose, to think that such an important star should be bright, but really, that's a conceit, like thinking that the Earth is at the center of the Universe. If more people knew just why Polaris is the North Star, this Bad Idea would stop. ...

... Àñòðîñîôò (Ìîäåðàòîð: tlgleonid ) > . UCAC2 Bright Star Supplement äëÿ Cartes du Ciel . ... Àñòðîñîôò . ... Cartes du Ciel - Sky Charts . ... 08 Àâãóñò 2008, 14:04:19 ? Òàêæå ãîòîâ êàòàëîã I/294 The UCAC2 Bright Star Supplement (Urban+, 2004), ÿâëÿþùèéñÿ ñåâåðíûì äîïîëíåíèåì ê êàòàëîãó I/289 The UCAC2 Catalogue(Zacharias+ 2003). ... Îòâåò #1 : 08 Àâãóñò 2008, 14:41:20 ? ... Ñàìàÿ ñëàáàÿ çâåçäà â êàòàëîãå UCAC2 Bright Star Supplement - ýòî 2UCA 50406212 Vmag: 15.19 â Ìàëîé Ìåäâåäèöå. ...

New England observer Lew Gramer, fresh back from his mid-November fish observing and meteor-catching expedition in South Florida, reports that December also promises to be a great month for celestial sky-sparks!" ... Other showers adding to the mix this month include several very minor showers, such as the Chi Orionids (3 Dec), Monocerotids (9 Dec) and Sigma Hydrids (12 Dec), which usually contribute no more than 2 or 3 meteors per hour during even post-midnight observing this month. ...

To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) METEOR OBSERVATIONS WITH MINI-MEGATORTORA WIDE-FIELD MONITORING SYSTEM S. Karpov, 1, 3 N. Orekhova2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Ivanov,2 E. Katkova,2 A. Perkov, and V. Sasyuk3 RESUMEN 2 Favor de prop orcionar un resumen en espanol. ... The faintest detected meteors has the peak brightness about 10 mag, while the ma jority - from 4 to 8 mag. ... 2010; Karpov et al. 2013; Beskin et al. ...

Target: Various bright stars Date: Night of 2011-01-03 - 2011-01-04 Time: See Unix timestamp in file name Telescope: CDK125 Camera: Nikon D3s Filters: None Exposure time: Various - see file name Observer: John Kielkopf Processing: John Kielkopf Images are jpgs from the camera rotated in Gimp to put N up and W to the right. If the exact time for an image is needed, extract it from the timestamp in the file name. ...

List of Participants Akim Efraim akim@kiam1.rssi.ru Keldysh Institute of Applied Mathematics, Russia Andreyanov Vladimir andre@ asc .rssi.ru ASC , Russia Baan Willem baan@astron.nl ASTRON, The Netherlands, The Netherlands Bajkova Anisa bajkova@gao.spb.ru Central Astronomical Observatory RAS , Russia Bartel Norbert bartel@yorku.ca York University, Canada Bebenin Roman ASC , Russia Beskin Vasily LPI, Russia rbeben@ ...