Measurement of Sky Brightness at the Iranian National Observatory Davoud Afshari1 and Sadollah Nasiri1,2 1Physics Department, Zanjan University, Zanjan 45195-313, Iran; Institute for Advanced studies in Basic Science (IASBS), Zanjan 45195-1159, Iran; Measurement of light pollution 2 Introduction Among 34 candidate sites at the central part of the country, 5 sites namely Garkesh (in Kashan ), Kolahbarfi(in Kashan ), Deynava (in ... One of these is light pollution. ...

Prague, August 16, 2006 . I am going to suggest the IAU Division V and Commission 27 a draft of a new GCVS classification scheme. ... It will also be available, after the GA, at the GCVS web site ( http://www.sai.msu.ru/groups/cluster/gcvs/ ) . We will start applying the scheme in the nearest future but are ready to take into account the future C27 suggestions, probably to be finally approved during the next GA of the IAU. ...

Operating Instructions Starlock PEC Utility Tool For use with Meade Starlock Equipped Telescopes Only PEC Utility The PEC Utility Tool allows you greater control over the Periodic Error Correction functions of your Starlock equipped telescope. ... Sharpening: The sharpening function makes the error corrections determined by Starlock be applied more aggressively while chasing small variations in the tracking. ... Sharpening, on the other hand, tends to increase the magnitude of the corrections applied. ...

... In electron-positron colliders, effect of the lattice modification by opposing bunch focusing on the equilibrium radiation emittance is important at high values of the space charge parameter, so one should correctly evaluate this dynamic radiation emittance of the weak beam, which may differ a lot from the nominal emittance, already in the linear beam-beam force model. ... The linearized beam-beam force is equivalent to focusing insertion in linear lattice of the collider. ...

GENERAL INFORMA T ION ABOUT How does my LOMO® Night Vision Device Work? ... LOMO® NIGHT VISION DEVICES & FAQs When using a Night Vision Device, you are actually looking at an image that is projected by the intensifier tube located inside the unit (Fig. ... Light enters the Night Vision Device through the objective lens and hits the photocathode in front of the intensifier tube. ... Infrared (IR) Illuminator Microchannel Plate (Gen.2 Only) When do I use my LOMO® Night Vision Device? ... Fig. ...

Russian Version [ MS-Win ] . ... Satellite data ] . ... The program is a powerful tool for multi-purpose image analysis and processing. It operates on files in main standard image storage formats: TIFF, BMP, GIF, PDF. The program contains a rich collection of operations for visual image quality improvement: linear and logarithmic normalization, equalization, brightness transformation by arbitrary look-up table, etc. ... ALMAZ-1 satellite data processing . NOAA satellites data processing . ...

The ICRF -3: Status, plans, and progress on the next generation International Celestial Reference Frame Zinovy Malkin1, Christopher Jacobs2, and ICRF -3 Working Group (1) Pulkovo Observatory and St. Petersburg State University, St. Petersburg, Russia (2) Jet Propulsion Laboratory/NASA, Pasadena, CA, USA Journees 2014 SystХmes de rИfИrence spatio-temporels , St. Petersburg, Russia, 22-24 Sep 2014 1 Overview · ... Median RA precision now 85 µas matching ICRF2 for the 525 common sources. ...

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

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New data - Magnetograms of Geophysical Observatory "Paratunka" 1967-2006 ! ... Solar Activity and Interplanetary Medium . Cosmic Rays . Ionospheric Phenomena . Geomagnetic Variations . Other STP Data . List of CD-ROMs in WDC for STP, Moscow . ... STP Data Online . ... Daily Forecasts of Geomagnetic Activity Geofor , (IZMIRAN) . Weekly Bulletin of Solar and Geomagnetic Activity Forecast , (IZMIRAN) . ... STP Data from other WDC's and Institutes and Observatories: . ...

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