... The extinction in terrestrial atmosphere. ... A star was observed at different zenith distances during one night at the Engelgardt's Astronomical Observatory in the program of atmospheric extinction study at blue. ... Calculate the air mass for given zenith distances in 1st 54.9 11800 column, and write the result into the 2nd column. ... Spectral observations. ... Calculate the radial velocity Vr of the star on each date, the results of measurements and write calculations into the table. ...

Еще в разделе: (Показать все результаты (>894) - www.issp.ac.ru/ )

• http://www.issp.ac.ru/iao/2015/booklet/b10_ia15_p_en_a.pdf

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 . ...

Еще в разделе: (Показать все результаты (>115) - space.univ.kiev.ua/ )

• Physics of Heliosphere
• Solar-Terrestrial Connections
• History of Astronomy and Space Physics Department

... Archives . ... Diab Jerius follows up on LOESS techniques б with a very nice summary update and finds LOCFIT to be very useful, but there are still questions about how it deals with measurement errors and combining observations from different experiments: . ... LOESS has been succeeded by LOWESS and, finally LOCFIT, which is the 800lb gorilla of local regression fitting. The LOCFIT algorithm uses local regression (i.e. fits over samples of the data) to generate smooth curves. ... Chandra Blog . ...

Еще в разделе: (Показать все результаты (>2279) - hea-www.harvard.edu/ )

• Quantum Efficiency Correction (a.k.a. `flat-fielding')
• The AstroStat Slog Blog Archive different views
• The AstroStat Slog Lowess

Herschel Guaranteed-Time Key Projects . at Arcetri . ... Both regard spectroscopic observations of different classes of star-forming regions in the Galaxy. WISH: WATER IN STAR-FORMING REGIONS WITH HERSCHEL . ... HS3F: HERSCHEL SPECTRAL SURVEYS OF STAR FORMATION REGIONS . ... Since gas cools mostly by line emission, knowing what molecules are formed and which lines are emitted in the different regions at different times is mandatory to understand the gas thermal balance. ...

Еще в разделе: (Показать все результаты (>9041) - www.arcetri.astro.it/ )

• Arcetri Solar Physics Group: High Resolution Studies
• Tracing Dust in Spiral Galaxies
• IBIS - Flat Fielding

Peremennye Zvezdy ( Variable Stars ) 35 , No. ... We present the results of our new observations of QS Draconis, a recently discovered double-mode high-amplitude Scuti variable, HADS(B) type. ... Our CCD observations in the Johnson bands were performed at the Tien Shan Astronomical Observatory of the V.G. Fesenkov Astrophysical Institute, at the altitude of 2750 m above the sea level. ... The finding chart (Fig. 1) identifies the variable star, comparison star, and check star. ... Fig. ...

Еще в разделе: (Показать все результаты (>57430) - www.astronet.ru/ )

• XWare > APOD

Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...

Еще в разделе: (Показать все результаты (>3) - aberrator.astronomy.net/ )

.

Еще в разделе: (Показать все результаты (>350) - zebu.uoregon.edu/ )

• Astronomy 123 Fall 1999
• Venus and Mars

Diffuse interstellar bands (DIBs) and atomic lines are observed as interstellar absorptions in GALAH and other massive spectroscopic stellar surveys. By observing a given DIB toward many stars which are nearly in the same direction, but at different distances, one can reconstruct absorption sites along the line of sight. ...

Еще в разделе: (Показать все результаты (>592) - www.mso.anu.edu.au/ )

• Clearing the library. Note the different floor levels. There were at least 4
• Summary
• Student Briefing

RadioAstronomy department of SAI was found in 1953 by prof I.S. Shklovsky. The basic direction of our works is development of new methods and devices for astronomical observations in different spectral regions, making observations and its interpretations. Department includes: laboratory RATAN-600, Infrared Group and several another scientific workgroups, that leads any big different projects. ... Go back to RadioAstronomy Dept ] . Andrew A. Martis . martis @ sai.msu.ru . ...

Еще в разделе: (Показать все результаты (>139) - comet.sai.msu.ru/ )

• Description of different types of shell
• Using a different printer
• Example of using a different printer

MAIN METROLOGICAL CENTER RUSSIAN FEDERATION National Research Institute for Physical-Technical and Radio Engineering Measurements (VNIIFTRI) e ­ mail: pasynok@vniiftri.ru, ru bezmenov@vniiftri.ru JOURNEESE 2014 VNIIFTRI as the Russian Main Metrological Center of Time, Frequencies and Earth Rotation Service th ti carried out the rapid EOP processing based on GNSS, VLBI and SLR observations for many years. 2 VNIIFTRI takes participation in GNSS and SLR observations of IGS and ILRS too. ...

Еще в разделе: (Показать все результаты (>329) - www.gao.spb.ru/ )

• RADIOSUN Workshop 2014
• Pulkovo NEO Page: Observations

... It allows observations of extended and starlike objects in different modes: CCD photometry, panoramic spectroscopy with the Fabry-Perot interferometer, spectroscopy and spectropolarimetry with a "long-slit", slit-free spectroscopy, multi-object spectroscopy. ... Digital servo drives that were installed have improved the reliability of the complex, extended the range severalfold, and reduced the telescope's speed control step. ... A software and hardware set for the BTA control system was implemented...

Еще в разделе: (Показать все результаты (>313) - mavr.sao.ru/ )

• RCJ0311+0507
• Solar system sector, archive 2011
• Solar eclipse 2015

... 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. ...

Еще в разделе: (Показать все результаты (>105) - selena.sai.msu.ru/ )

• http://selena.sai.msu.ru/Symposium/lipskiy.pdf
• http://selena.sai.msu.ru/Symposium/lipskiy.doc

E.T. MATVEYEVA, R.V.Shchepetnov Сatalogue of geomagnetic pulsations of Pc1 type on observation data at the Antarctic Observatory Mirny Geophysical Observatory Borok, Institute of Physics of the Earth RAS, Russia The catalogue is based on the analysis of long-term and continuous observations of pulsations such as Pс1 on the Antarctic Observatory Mirny( ? ... C?- traces of Pc1. ... The period of Pc1 in seconds (Ts) is determinated as averaged prevailing in the given time interval. ...

Еще в разделе: (Показать все результаты (>283) - www.wdcb.ru/ )

• http://www.wdcb.ru/stp/data/catal_pc/1_catal.txt
• Index of /stp/data/Images_of_f-plots/TABL/Tables of different Parameters/M3000
• Index of /stp/data/Images_of_f-plots/TABL/Tables of different Parameters/fo Es

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

Еще в разделе: (Показать все результаты (>299) - www.astro.spbu.ru/ )

• Database of interstellar extinction and polarization curves
• Nebular Abundances For PNe of Different Central Star Masses
• Database of Optical Properties -- Level: subpage

... It is found that the correlation coefficients between these two parameters calculated separately inside and outside the sunspot formation zone ±30 have cyclic variation and occur in anti-phase. This suggests different mechanisms of formation of the corona in the fields of small, medium, and large scales. ... The relationship between the coronal green line brightness (CGLB) and the magnetic field strength (MFS) has been investigated by constructing the corresponding synoptic maps for the 1977-2001. ...

Еще в разделе: (Показать все результаты (>447) - www.izmiran.rssi.ru/ )

• projects
• Prognoz
• Distribution of the analyzed SEPs with different >100 MeV proton fluxes (J100)

... Studies of the sea surface in the coastal area and for support of satellite observations. ... Two-polarization high resolution radar with digital interface forms radar images, with which following tasks can be solved: . measurements of spatial-frequency spectra of sea waves, . ... determination of an interchange of energy between the ocean and the atmosphere from to the observations of the surface wave breaking, . ... determination of the sea bottom topography. ... M. Raev, Head of laboratory . ...

Еще в разделе: (Показать все результаты (>1075) - www.cosmos.ru/ )

• Martian mini station (MMS)
• Two points (INTERBALL-1 and MAGION-4) observations of magnetopause motion
• Space Research Institute (IKI) Seminar

This page is devoted to information on Supernova 1999gn in NGC 4303 (= M61 ) Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main supernova page. Information on the original web pages for many of these images can be found on the Supernova links web page. ... SEDS has a Supernova 1999gn page . ... Seiichi Yoshida has a 1999gn page . ... Kopernik 's M61 and supernova 1999gn page . ... vsnet-alert 3835 ] SN 1999gn in NGC 4303 = Messier 61 . ...

Еще в разделе: (Показать все результаты (>813) - www.rochesterastronomy.org/ )

• Nova in M31 2000 3
• Posting to VSNet
• Supernova 2006E in NGC 5338

Cosmic ray intensities (left) compared with predictions (right) from IBEX. The similarity between these observations and predictions as evidenced by the similar color regions supports the local galactic magnetic field direction determined from IBEX observations made from particles at vastly lower energies than the cosmic ray observations shown here. The blue area represents regions of lower fluxes of cosmic rays. ...

Еще в разделе: (Показать все результаты (>3445) - www.astronomy.com/ )

• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BD81CCFBB-32A9-45FF-820D-B4A05A7DFDC1%7D
• Why do some stars appear to flash a variety of different colors when you look

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) . ...

Еще в разделе: (Показать все результаты (>30) - www.aal.lu/ )

• AAL Homepage

... 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. ...

Еще в разделе: (Показать все результаты (>27) - site2010.sai.msu.ru/ )

• Media files