... We had a unique diagnostic tool for determining whether or not the secondary was fractured during the dark run in that we had 3 sets of focus sweep data for the imaging camera taken on the nights of 05 October 1999, 11 October 1999, and 14 October 1999. ... Figure: 05 October 1999, CCD g1 . ... Surface plot. ... Figure 32 plots the same data but for CCD g3. ... Figure: Comparison of normalised brighness for the out-of-focus doughnuts for the nights of 05, 11, and 14 October 1999 for CCD g1. ...

... The Same Color Illusion . ... The above illusion, called the same color illusion, illustrates that purely human observations in science may be ambiguous or inaccurate. ... Old Faithful Moon . ... Scheduled to illuminate the landscape throughout the night tomorrow, October's bright Full Moon will also be called the Harvest Moon. ... Comet and Orion . ... These colorful panels both feature a familiar northern hemisphere astronomical sight: the stellar nursery known as the Great Orion Nebula. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . Planets . ... Monthly Sky Notes . ... February . ... The ringed planet will be quite bright, but unlike Jupiter it will not be the brightest point of light in the sky, this accolade will return to Sirius which is the brightest star in our night sky in the constellation of Canis Major. ... Seven days later on February 18, the Moon will be in its full Moon phase. ... Tweets that mention Wonders of the February Night Sky | ... Astronotes . ...

... Up: Data Analysis and Processing Techniques . ... Also, a method for quality control of CCD observations is suggested. ... Everyone who observes a celestial object using a CCD detects moving celestial objects as a ``by product''. ... We hope that our investigations may be useful for near-Earth space control and also for searches of the moving celestial objects through analysis of old and new CCD frames obtained at any amateur or professional astronomical observatory. ...

... 27 May-1 June, 1993 (6 nights) Calar Alto, 1.23m. Calamai + Richichi . ... 28 June-4 July, 1993 (7 nights) Calar Alto, 1.23m. Richichi + Stecklum . ... 20-27 December, 1993 (8 nights) Calar Alto, 1.23m. Leinert + Richichi . ... 18-24 February, 1994 (7 nights) Calar Alto, 1.23m. Richichi + Stecklum . ... Photometry: only standards on 16th (SL9 run). ... 12-16 January, 1995 (5 nights) Calar Alto, 1.23m. Richichi + Stecklum . ... 18-22 November, 1996 (5 nights) Calar Alto, 1.23m. Fabbroni + Richichi . ...

... Main mirror of the radio telescope consists of 36 groups with 25 elements of each one. ... Size of a element 11.5 x 2 m. Thus total geometric area of the main circle is equal to 20000 m in square. Southern sector (nine 26-35 groups) are driving with new automatic system of the. ... Simultaneosly Southern sector could used for observations with Flat mirror. ... The asimuthal observations are possible with system: Flat mirror and Southern sector and feed-cabine #3 at arc-rail-ways. ...

Twilight observations with MASS/DIMM B. Safonov Sternberg Astronomical Institute Moscow State University Comprehensive Characterization of Astronomical Sites, 2010 B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 1 / 17 Why observe in twilight with MASS/DIMM? ... ASM includes 3 devices sensitive to background: guider, DIMM and MASS. B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 2 / 17 Background in guider. ...

... Advises . Contact Advises . As an advise for amateurs we would like to underline: if it's possible, try to observe 3 asteroid positions per night and do not neglect to observe the Numbered Minor Planets in your telescope field of view as a "by product" of your observational programs. ... We think such estimations ought to be produced every morning after CCD observations of the moving celestial objects by observer himself. ...

The major satellites of Uranus as viewed by Voyager 2 in January 1986. ... An international team of astronomers led by Apostolos Christou at Armagh Observatory has made the first ever observation of one of the satellites of the planet Uranus passing in front of another. ... Collectively, occultations and eclipses are called mutual events. ... At the time of the last Uranian mutual event season, Man had yet to walk on the Moon. ... See also: Mutual Events of the Uranian Satellites . ...

A computer controlled low light photometer for nightglow observations. Hardware units of portable photometer for low light measurements, especially night glow emission is described. ... Interface card contain three channels of 24 bit counter, 4 channels of 12 bit ADC and the buffer bus for the controlled motors of the altazimuthal fork mounting and filters wheel, the position encoders. ... Where N( ) is output signal photometer generated input light flux F( l ) . ... PMT # . 599 . ...

... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Astronomy for Kids . ... On the martian surface, would the moons Deimos and Phobos be visible to the unaided eye? ... Mars moons are easily visible at night from the surface of the Red Planet. ... From the Curiosity rover s point of view, on some evenings Phobos rises out of the slowly fading blue-gray twilight in crescent phase, transits as a quarter moon, and sets as a gibbous moon. ... Get instant access to subscriber content on Astronomy.com! ...

... GCN 8471 | ... TITLE: GCN CIRCULAR NUMBER: 8516 SUBJECT: GRB 081102: MASTER refind and final results DATE: 08/11/11 15:50:10 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski, N.Shatskiy, N.Tyurina, D.Kuvshinov, P.Balanutsa Sternberg Astronomical Institute, Moscow State University A. Tlatov, A.Parkhomenko Kislovodsk Solar Station of the Pulkovo Observatory V.Krushinski, I.Zalognikh Ural State GCN Circ 8470, Lipunov et al., ...

... Home Links International Sidewalk Astronomy Night . ... Saturday night, April 12, 2008, is the 2nd International Sidewalk Astronomy Night.€а We call on all amateur astronomers to take their telescopes and binoculars out for the public to enjoy the wonders of the night sky.€а A first-quarter Moon will be visible, as will the planets Saturn and Mars.€а More information can be found at http://www.sidewalkastronomynight.com /, where you can register so people will know where to find you. ...

... Observations of GRB afterglows with Russian-Turkish 1.5-m Telescope (RTT150) . ... The afterglow light curve was measured in detail starting from about 5 h after the GRB and over five ensuing nights. In addition, upper limits were obtained on the rapid variability of the afterglow on the first night of observations and the history of afterglow color variations was measured in detail. ... 2007) : . ... Astronomy Letters, 33, 797 (2007) , arXiv:0802.1635 , The original text in Rissian . ...

... P1724 was monitored from MTSB on 17 nights over a six week period. ... Three field stars were used for comparison (see Figure 3 ). ... The preferred frequency is 1.18 rotations per day (a 0.85 day long period), but the power at this peak is not particularly stronger than the three other strong peaks. However, the 1.21 day period (0.826 rotations per day) is excluded by the nightly trend analysis. In this case, the trend of the data is opposite to the direction of the fit (see Figure 5 ). ...

M obile A stronomical Sy stem of TE lescope- R obots MASTER-II Kislovodsk Lomonosov Moscow State University, Sternberg Astronomical Institute , Moscow Union "Optic" , Kislovodsk Solar Station Latitude = 43 o љ44'.767љN; Longitude = 42 o љ31'.417љE; Altitude = 2067љm MASTERљIIљ(8љsquareљdegress) + MASTERљVWF(VeryљWideљFieldљCameras (FOV=800 square degrees, Timeљresolutionљupљtoљ150љms, with unfiltered m_lim=14m on 5 sec. exposure, and ~10.5m with 0.15 sec) . ... 11h 38m 38.0s , -09d 59m 59s) . ...

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: . ...

... 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) . ...

... 13, Moscow 119992, Russian Federation, e-mail: busarev@sai.msu.ru; 2 Research Institute Crimean Astrophysical Observatory, p/o Nauchnyi, Crimea 334413, Ukraine, e-mail: prok@crao.crimea.ua Summary: We propose a combined method of astronomical investigations of small or distant planets incorporating registration of a set of integral spectra of an object and their frequency analysis. ... An application of the method is shown on example of asteroid 21 Lutetia. ... 6] Busarev V. V. (2002), Solar Sys. ...

... Baby Touch: Night Night is part of Ladybird's best-selling Baby Touch series, perfect for stimulating and entertaining babies from birth. It's bedtime, baby! ... Say 'night, night' to all the sleepy faces in this colourful touch-and-feel book, reading the gentle rhyme as you go. ... Цвет: голубой . ... Материал верха: текстиль . ... Материал подошвы: искусственный материал . ... Пол: Женский . Лоферы Rubi. ... Материал: текстиль. ... Возраст: Взрослый . ... Пол: Унисекс . ... Пол: мужчины . ...