... 2014 June 9 . How to Identify that Light in the Sky . ... If so, and if you live near a city, the answer is typically an airplane, since planes are so numerous and so few stars and satellites are bright enough to be seen over the din of artificial city lights . If not, and if you live far from a city, that bright light is likely a planet such as Venus or Mars -- the former of which is constrained to appear near the horizon just before dawn or after dusk. ... Poll: Is APOD a Blog? ...

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• APOD: 2009 March 21 - Fermi's Gamma Ray Sky
• APOD: 2005 July 1 - Ring Around Fomalhaut

... How to Identify that Light in the Sky . ... If so, and if you live near a city, the answer is typically an airplane, since planes are so numerous and so few stars and satellites are bright enough to be seen over the din of artificial city lights . If not, and if you live far from a city, that bright light is likely a planet such as Venus or Mars -- the former of which is constrained to appear near the horizon just before dawn or after dusk. ... Publications with keywords: sky - light - airplane . ...

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• Journal "Peremennye Zvezdy"
• Fermi s Gamma Ray Sky
• Albert Einstein Describes Space and Time

... Our scientific interest is an accuracy of asteroid CCD observations obtained by amateurs and professional astronomers all over in the World. ... These data help us to analyse an accuracy of real CCD positions in the MPC Database. ... Do you test your observations of the small Solar System bodies permanently before sending them to the International Minor Planets' Center? ... Do you know a real accuracy of your positional CCD-observations in comparison with the other observatories' one ? ...

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Ioffe Physical Technical Institute . Department of Theoretical Astrophysics . Neutron Star Group . Last updated on Jul 29, 2013, by Yuri Shibanov .

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... Created: 23 February 2001 . ... SOFTWARE MAINTENANCE MANUAL . ... 9 January 2001 . ... Note: in the final document, the table of contents will be to third level] . The Software Maintenance Manual describes the procedures for installation and maintenance of the software for the Gemini Near-infrared Integral Field Spectrograph (NIFS). ... Section 19.4.3 of the document “Programmatic Requirements for Gemini Instrumentation Development” states the requirements for the Software Maintenance Manual . ...

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• Siding Spring Survey
• Gemini NIFS May 2002 First Cool Down.
• ...for the most difficult/finickity/unbelievable recorded/verified observation

... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

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... About half an hour after the BAT trigger, the first images were obtained with the SAO RAS Zeiss-1000 telescope in four BVRI filters (see Fig.1). ... The spectrum of the optical transient was obtained with the SAO RAS 6-m BTA telescope 1.54 hours after the burst, using the SCORPIO instrument in the spectroscopic mode (Fig.2). ... The spectrum of the optical transient GRB090726 with identified lines, obtained with the BTA 1.54 hours after the burst. ...

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• The dust jets in the nucleus of comet 29P/Schwassmann-Wachmann 1
• RCJ0311+0507
• Observations Support Laboratory BTA

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Asteroid . ... Site . ... The evening of October 26, 2011, Mark Trueblood, Robert Crawford, and Larry Lebofsky used the Kitt Peak 2.1-m telescope to observe Near Earth Asteroid (NEA) 2008 QT3. ... single still jpeg frame . ... The National Optical Astronomy Observatory (NOAO) issued a press release concerning Morgan's work on Monday, November 21, 2011 and posted it on the home page of their web site . ... 2013 Winer Observatory. ...

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Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... Iridium Flare . Forum List | ... Post Message | ... Actually, you were right about Iridium flare. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Observations Of Mars - an Astronomy Net Observation_reports Forum Message
• So Where Is Mars Now? - an Astronomy Net Observation_reports Forum Message
• Astronomy Terms - To Help You Study The Universe - an Astronomy Net Article

.

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• U of O High Energy Physics Seminars
• Astronomy HyperText Book
• Physics 410/510 Observational Cosmology

... The dayside auroral precipitation consist of magnetosheath related boundary layer precipitation, and plasma sheet related BPS/CPS precipitation (extensions of the nightside precipitation regions). ... For example, the much lower fluxes from the LLBL region when compared to the cusp are compensated by the bidirectional electron beams found in the LLBL: the precipitating energy fluxes in the LLBL and the cusp are not that different. ... directly through the cusp and plasma mantle . ...

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• FM-3I Instrument
• Current Solar Wind Conditions
• The Sun -- History

OPTICAL IDENTIFICATIONS OF INTEGRAL / RXTE SOURCES WITH 1.5-METER OPTICAL TELESCOPE RTT150 I.Bikmaev (1,2), M.Revnivtsev (3,4) , R.Burenin (3) R.Sunyaev (3,4) , N.Sakhibullin (1,2) (1) Kazan State University, Kremlevskaya Str., ... 1, D-85741, Garching bei MЭnchen , Germany (3 (4) ABSTRACT We present the first results of our project on optical identifications of INTEGRAL / RXTE hard X-ray sources by using scientific instrumentations of the 1.5meter joint Russian-Turkish optical telescope RTT150. ...

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• High Energy Astrophysics Department at IKI RAN
• Russian Turkish 1.5-m telescope
• RTT150 project data archive

6 hours in these observations. ... Spectroscopy of white dwarf atmospheres has revealed metal pollution indicative of active accretion of rocky material (Gansicke et al. ... We propose a non-contiguous two-week run of short cadence, high S/N, time-series photometry of bright white dwarfs that we will use to to search for planets and planetary debris orbiting the brightest white dwarfs available from APO as part of SPAMS: the Search for Planets Around post-Main Sequence stars. ...

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• Spectrograph Interface Control
• Fiber-optic plug rotation
• Observers Instructions for filling out the ARCSAT nightlog

... APT Activities and Science Results 3. ... APT Secretary Philip Edwards (ISAS) reviewed the aims of the APT (http://www.vsop.isas.ac.jp/apt/DefinitionAndAims.html). ... The Australia Telescope Compact Array, and Ceduna, Hartebeesthoek, Kashima, Mopra, Parkes, and Shanghai telescopes of the Asia-Pacific Telescope participated in these observations. ... In the absence of Tetsuo Sasao, Philip Edwards briefly described results of the APT 22 GHz observations conducted from October 1st to 5th, 1997. ...

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PENTICTON SOLAR RADIO FLUX VALUES (from SGD Explanation of Data Reports) Daily Solar Flux Values - Penticton -- Daily measurements of the integrated emission from the solar disc at 2800MHz (10.7cm wavelength) have been made by the National Research Council of Canada since 1947. ... The data are tabulated in two forms: the "observed flux" (S), and the "adjusted flux" (Sa). ... The "observed flux" values are useful in ionospheric physics and other terrestrial consequences of solar activity. ...

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Databases (NSDC) of the Natural Planetary Satellites. ... In the file of explanations, source of data or bibliographic reference is indicated. ... File of data (Data) *.txt. ... Les donnИes standard de la base NSDB (Standard Data) . ... Any bibliographic reference has the following fields (please, don't mix up these reference fields hereafter called "fields" with the search fields where you will enter the data and which are hereafter denoted as "search fields" or "text fields"): . ...

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• Y.Kupryakov, SAI, MSU
• Data bases of Natural Satellites. Documentation. Structure
• Data bases of Natural Satellites. Documentation. Sources

... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...

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An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE PROCESS OF SCIENCE: HOW DO WE KNOW? The nature of the universe, its age, its birth and life story, have been deduced through the process of science. ... In the case of astronomy, it usually starts with making careful observations and measurements -- something your students can begin to do through inspection of astronomical images, and observation of the real sky. ... An Ancient Universe - Table of Contents . ...

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• ASP: Books of Note
• ASP: Light Pollution
• ASP: Mercury Winter 2011

... Several frames taken and best selected saturn _0p15s_g_205d.fits TARGET = ' Saturn ' / target EXPTIME = 0.15 / exposure time ( seconds ) FILTER = ' (1) g (400-530) ' / filter DATE-OBS = ' 2010-03-31T04 :31:09' / date of observation (UT) saturn _0p15s_g_crop_205d.fits TARGET = ' Saturn ' / target EXPTIME = 0.15 / exposure time ( seconds ) FILTER = ' (1) g (400-530) ' / ...

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• FITS_Reader (ImageJ API)
• Measurements (ImageJ API)
• dec drive fixes

... In LABORATORY OF RADIO ASTROPHYSICS OF SPECIAL ASTROPHYSICAL OBSERVATORY OF RAS . ... History . ... Current problems of the group research interests: . study for cosmic microwave background, . study of radio galaxies (identification, evolution, statistical investigation of population), . investigation of the RATAN-600 antenna, . observations in the survey mode with RATAN-600 and their analysis, . creation of the software for data analysis. vo @ sao.ru ( Oleg Verkhodanov ) ...

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• FADPS - Flexible Astronomical Data Processing System
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• Identification of RC-catalog sources