... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

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• VISTA - Visible and Infrared Survey Telescope for Astronomy

... Meade Instruments Corporation . ... How to Calculate Power . How to Calculate Power: The magnification, or power, at which a telescope is operating is a function of the focal length of the telescope's main (objective) lens (or primary mirror) and the focal length of the eyepiece employed. ... Example: The Meade DS-2070AT telescope has an objective lens focal length of 700mm; when this telescope is used with a 25mm eyepiece, a power of 700/25 = 28 power (written as "28x") results. ... about meade | ...

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• Meade Instruments Corporation - How Telescopes Work

Key Abbreviation (Click on the key for the list of scientists with this affiliation) . N of Sci Number of Scientists from main and active lists affiliated in this institute . CI 86 Main citation index (total number of citations made after 1986.) ... Landau Institute for Theoretica l Physics RAS . ... Lebedev Physical Institute RAS . ... MSU Chem . ... Steklov Mathematical Institute RAS . ... B.P.Konstantinov Petersburg Nuclear P hysics Institute RAS . ... Institute of Solid State Physics RAS . ...

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Central Bodies Masses of Selected Globular Clusters N.A.Shakht, A.A.Kiselev, Yu.N.Gnedin and E.A.Grosheva. The Main Astronomical (Pulkovo) Observatory RAS 47 Tuc ­NGC 104 RA 00 24 .1 Dec -72° 04 .9 Size = 30.9 mvis + 4. 0 m D from = 12,1 kpc, h m Cen - NGC 5139 NGC 6397 (Ara) RA 17 h40.m7 Dec -53o 40'.4 Size = 31',0 mvis + 5,3m D from =2.3 kpc RA 13h 26m .8 Dec -47° 28 6 Size = 36.3 m vis +3. 7 m D from =15.8 ±1.1 kpc, 12109 years, Age: 10109 years, (13.4 ± 0.8)109 years. ...

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• Pulkovo Databases
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... PubliУ? le 02/08/2011 par Thierry Guillard . Date : 02/08/2011 . Lieu : Chasselay_RhУДne . MatУ?riel de prise de vue : Kodak 3.1megapixels + Dobson 405 . Commentaires : Photo Уљ main levУ?e Уљ l'occulaire du Dobson. ... L'ensemble des groupes ce 2 aoУЛt 2011. ... Commentaires : La difficultУ? des photos Уљ main levУ?e est l'inУ?galitУ? des zones de luminositУ? du au changement d'angle de l'appareil photo plaquУ? sur l'occulaire...et puis quand vous n'У?tes pas motorisУ? ...

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• http://www.cieletespace.fr/node/7604?thickbox=1&width=800&id=7303
• http://www.cieletespace.fr/node/10217?thickbox=1&width=800&id=10160
• http://www.cieletespace.fr/node/8067?thickbox=1&width=800&id=7699

Main News Phones Research area Brief history Institute Structure Experimental Base Observational data English/Russian . ... 677980 Yakutsk, Russia . ... 7(4112)390400 . Fax: . ... Magnetic Observatory . ... the Yakutsk magnetic observatory is located at a distance of 9-10 km to the south from Yakutsk . ... absolute and variation measurements of the Earth?s magnetic field . ... facilities for absolute measurement of the geomagnetic field i.e. the proton magnetometer, the QHM-magnetometer . ...

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... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...

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. [FrontPage Save Results Component] . 1:Put breakout3.html with the rest of your Web pages. 2:Paste the following script between the and tags in your main page. 3:Paste this link where you want in your main page. Break Out

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