... Ancient Greeks understood it quite well, and they considered astronomy not only as science, but also as art, with its Muse - Urania. ... Pushkin . ... Vulcano Island . ... Vulcano Workshop . ... Jim Beall Tree, Washington . ... Julia Tree, Pushkin . ... Tyumen, St.Peter and Pavel church . ... Binary Star . Binary System of X-ray Pulsar . Disk Accretion onto Magnetized Neutron Star . ... Discovery of X-ray stars . ... X-ray stages of binary evolution and Non X-ray stages of binary evolution . ...

... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

... Главная страница / Кометы и астероиды / "Нас не догонишь". Комета 217P/LINEAR, M42, M43, Бегущий Человек и пролетающие спутники. ... M42 , M43 , БегущийЧеловек , 217P/LINEAR . ... Комета C/2009 R1 (McNaught) . ... Все права на размещенные в галерее фотографии принадлежат их авторам. ... Киевский клуб любителей астрономии "Астрополис" . Движок галереи: 4images 1.7 ...

Contents. planet: 5 - Jupiter satellites: J5-Amalthea: 90 total number: 90 type: absolute dates: 1967-1967 observatory: 88 - Kottomia Reference. ... The observed coordinates of Jupiter (uncorrected for phase) are also published. ... Hour of the Right ascension of Jupiter (uncorrected for phase) 8. Minute of the Right ascension of Jupiter (uncorrected for phase) 9. ... Degree of the Declination of Jupiter (uncorrected for phase) 11. ... Minute of the Right ascension of Amalthea 15. ...

National Aeronautics and Space Administration . ... Story Musgrave (M.D.) . NASA Astronaut (Former) . ... Service Medal and an Outstanding Unit Citation as a member of the United States Marine Corps Squadron VMA-212 (1954); United States Air Force Post-doctoral Fellowship (1965-1966); National Heart Institute Post-doctoral Fellowship (1966-1967); Reese Air Force Base Commander's Trophy (1969); American College of Surgeons I.S. Ravdin Lecture (1973); NASA Exceptional Service Medals (1974 ...

... AstroGuide | ... Astro Images . ... Image by Michael Wyrick . ... ST-237 CCD Camera, Meade 10" @ F/12.6, 0.09 second exposure, LRGB, No Image Processing . Courtesy of Michael Wyrick . ... Web . www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil La chute dтАЩun corps c†йleste sur Jupiter vue en direct . ... Celui du 17 mars 2016 est donc le 4†иme impact observ†й directement sur Jupiter. ... 25/03/2016 - Exomars est-elle pass†йe tout pr†иs dтАЩun †йchec ? ... Etat du ciel...

... Астрофест 2014 . Астрофест 2012 . ... Астрофест 2009 . Астрофест 2008 . Астрофест 2007 . Затмение 3.10.05 . Астрофест 2005 . ... HDR-фото фаз затмения . ... Nikon 4300, телескоп Ньютон 200мм на монтировке MT-3s, окулярное увеличение, мозаики нескольких кадров, каждый из которых - сумма серий снимков Registax. ... Nikon 4300, телескоп Ньютон 200мм на монтировке MT-3s, окулярное увеличение. ... Dobson150F8 , Окулярная съемка Nikon 4300. ... 2004-2015г. Андрей Олешко ...

... Here is an example of the output header of CATS data. ... SIMPLE=T / BITPIX=8 / character information NAXIS=0 / no image data array present EXTEND=T / may be standard extensions OBJECT= CATS SEARCH / CATS search result ORIGIN=SAO RAS DATE=01/01/1997 / date of file creation END XTENSION=TABLE / F-file table extension BITPIX=8 / 8-bits ... NAXIS1=93 / No. of characters per row NAXIS2=1000 / the number of lines (sources) TFIELDS=10 / there are 16 fields per row EXTNAME= CATS / object name: ...

Saturn: The beauty of the rings. Saturn . ... Belongs to the giant planets . It has no definite solid surface. ... The free fall acceleration at the Saturn surface near equator is 9,06 m/s^2 . ... In the centre of the planet the temperature is about 20000K. The satellites . ... The rings of Saturn . ... It is proved that Saturn's rings (as well as the other planet's) are the fragments of the great cloud being near the planet with million kilometres length (see how the rings were formed ). ...

... 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 . ...

... sin f = y / r . cos f = x / r . ... They are now viewed as new definitions of the sine and cosine, for the polar angle f given by x and y ( a slightly different way of formulating this definition is described further below ). ... sin 2 f + cos 2 f = 1 . ... Angle . ... Many trigonometry texts define the sine and cosine slightly differently, using the so-called unit circle . ... Then the distance AB ("the sine line") equals sin a , and the distance OA ("the cosine line") equals cos a . ...

The starting page - The catalogues page - The list of the PUL2 fields - The list of the Pul-3(Pul-3SE) fields - The list of the PUL_ERS fields . please read short description of the access form controls . ... Right Ascension (ICRF/Tycho-2) J2000 at the central epoch of obs. (hours, minutes, seconds) (Obligatory parameter) . ... proper motion in RA (*cos(DE)) (ICRF/Tycho-2). (mas/yr) . ... Check the apropriate checkbox to output these data and radiobutton to select stars within interval. ...

... Meade Instruments Corporation . ... Meade Pictor XT-Series CCD Autoguider/Imagers . ... Take new sets of calibration frames if the temperature changes significantly.(or change the set you are using or the scaling if you are reusing calibration frames). ... You can also use scaleable dark frames called thermal frames. ... However, if you wish to reuse dark frames with images of different exposure times, you must turn the dark frame into a thermal frame by subtracting the bias information. ...

... About 10% of the time is allocated to moving the telescope to the zenith and exchanging the spectrographic cartridges. ... Focus telescope (open-loop)* . ... TOTAL TIME (seconds) . ... This assumes two 60 second arc exposures and two 55 second readouts. ... Otherwise, the arc exposure will likely consist of a 30 second integration followed by a quick 28 second readout, half the normal time. ... The flat-field exposure can be read out with a quick 28 second readout, half the normal time. ...

... Bad Astronomy . ... Every few months, one of a series of questions comes up on the USENET group sci.astro involving tides, or the rotation of the Moon, or the recession of the Moon from the Earth. ... Why the Moon's rotation period is the same as the length of time it takes to orbit the Earth (same as number 1, but phrased differently). ... But when this happens, the time it takes for the Earth to rotate once will be slowed to exactly the same time it takes for the Moon to go around the Earth once! ...

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: . ...

... Science User Portal . ... ESO, the European Southern Observatory . ... Weekend Visits to the ALMA OSF . ... Survey Telescopes . ... ALMA . ... Star Clusters . ... 2016 . 2015 . 2014 . ... Stars@ESO . ... Although HD 97300 is in the spotlight for now, the very dust that makes it so hard to miss heralds the birth of additional, potentially scene-stealing, future stars. eso1604 тАФ Science Release . ... 31 March 2016 тАФ ann16021 . ... 29 March 2016 тАФ ann16020 . ... 29 March 2016 тАФ ann16019 . ...

IV International Astronomy Olympiad . ... Text of these problems is available also . ... To solve every problem you may use constants and well-known values you know by heart. ... The apparent diameter of the Moon, as seen from the Earth, is 31'. ... Can you observe a star with magnitude . ... Consider the stars as black bodies. ... Estimate the diameter of a black hole constructed using this patent from a ship with the mass of 5000 tn (1 tn = 1000 kg). ... What stars would you observe this nigth? ...

... Meta Index / Home Page / Parameter types . Angle parameters are intended for right ascensions and declinations, where conversion from hours/minutes/seconds or degrees/minutes/seconds may be needed. ... Note that the maximum range of the angle type is [-360,360] degrees. ... xxdxxmxx[.xxx]s (degrees, minutes and seconds) xxhxxmxx[.xxx]s (hours, minutes and seconds) [(+|-)]xxx[.xxx] (decimal degrees) . ... Note: Angle parameters are accessed by the task as a real value, in degrees. ...