... every new catalog of objects has to be contained in the UNIX directory having the same name as the catalog of objects; . ... the programs for local operations (programs of low level) with the catalog of objects are also in the same directory; . brief characteristics and names of the programs and file with the description of the catalog are stored in the file cats_descr ; . ... All astronomical catalogs have a different format and list different observables. ...

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• SCORPIO-2 project: description
• Image directory

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Products . Telescopes . LX850 Series . ... Coronado€о Solar . ... H-Alpha Filters . ... Blocking Filters . ... Coronado 5mm Blocking Filter . ... Blocking filter for Coronado primary filters . ... Coronado BF-5 right angle (1.25" diagonal) type secondary blocking filter. The blocking filter is the second element in any Coronado H-alpha system, it is just as crucial to your safety and the system's performance as the front element. ...

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• Coronado 10mm Blocking Filter - Blocking Filters - Coronado€о Solar - Products
• Coronado 30mm Blocking Filter - Straight through - Blocking Filters -
• Coronado 15mm Blocking Filter - Blocking Filters - Coronado€о Solar - Products

. Name . Last modified . Size . Description . Parent Directory . - . polA_rolloff.ps . 25-Apr-2008 21:36 . 88K . polB_rolloff.ps . 25-Apr-2008 21:37 . 89K . Apache/2.2.3 (CentOS) Server at www.naic.edu Port 80

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• Index of /~phil/hardware/pdev/filters
• GALFA System Description
• Arecibo Observatory L-Wide Band Receiver

... 18-Jan-2010 16:46 . ... 22K . ... 39K . ... 38K . ...

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• Index of /stp/data/cosmic.ray/G L E/C00x/filter

... SFIT is a general-purpose code designed to optimize theoretical stellar spectra to an observed spectrum. ... While the programme expects input from "stdio", it is more natural to save commands in a file (eg "sfit_input") and run the code simply by . ... If the spectra to be fitted have a filename "star_spectrum", then the best fit spectrum will be written out, together with the renormalized input spectrum, to a file called "star_spectrum.fit". ... sets up model spectrum grid (and for 2nd star) . ...

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• Background
• Knockmany Chambered Cairn
• The /etc directory

... Tonight's Sky . ... Observing . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... How do light pollution filters work? Do they actually help? ... Light pollution reduction (LPR) filters work because many outdoor lighting sources do not shine evenly across the visible spectrum. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Using filters | Astronomy.com

... index.php (1) | bbclone/ | ... To do you can use the following sample and point your browser to it. <?php define("_BBC_PAGE_NAME", "Test"); define("_BBCLONE_DIR", "bbclone/"); define("COUNTER", _BBCLONE_DIR."mark_page.php"); if (is_readable(COUNTER)) include_once(COUNTER); ?> ... Create the file "count.php" and add the following: <?php define("_BBCLONE_DIR", "/the/path/that/leads/to/bbclone/"); define("COUNTER", _BBCLONE_DIR."mark_page.php"); if (is_readable(COUNTER)) include_once(COUNTER); ?> ...

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• Fast search through RTT150 data archive
• RTT150 Technical Description

splitxyz - filter to divide (x,y,z[, distance ,heading]) data into (x,y,z) track segments . splitxyz [ xyz [ dh ] file ] -C course _ change [ -A azimuth / tolerance ] [ -D minimum _ distance ] [ -F xy _ filter / z _ filter ] [ -G gap _ distance ] [ -H [ nrec ] ] [ -M ] [ -N namestem ] [ -S ] [ -V ] [ -Z ] [ -: ] [ -bi [ s ][ n ] ] [ -bo [ s ] ] ... If xy _ filter is non-zero, the data is first divided into segments and then the x,y values of each segment are filtered separately. ...

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• http://xray.sai.msu.ru/~ivan/gmt/man/gmtdefaults.html
• http://xray.sai.msu.ru/~ivan/gmt/man/grdfilter.html
• http://xray.sai.msu.ru/~ivan/gmt/man/gmtselect.html

This directory contains material for running demonstrations of the routines in the IRAF.STECF package impol To run these demonstrations IRAF/ STSDAS is mandatory and the impol package must be loaded The directory is composed of the following files : reflneb.fits A 512x512 intensity image of a model reflection nebula demo_foc.cl demo_nicmos.cl IRAF cl scripts for running the demo's for the demo_wfpc2.cl three HST instruments and a SPECIAl (non-HST) demo_special.cl ...

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• DER_SNR: A simple and general spectroscopic signal-to-noise measurement
• ASNCOMBINE (Nov98) --- nictools --- ASNCOMBINE (Nov98)
• Software Develpment: ST-ECF IRAF Package

... Previous: Background Fluctuation Analysis from the Multiscale Entropy . ... A new measure of information is defined which is based on noise modeling and incorporates resolution scale. Properties of this measure are discussed. ... Additionally it allows for image noise modeling, and subsequent noise removal. ... Hence information- and entropy-based processing technologies will be necessary for the effective design and implementation of large, future generation, image databases. ...

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• A Graphical User Interface for a Development Environment (GUIDE)
• LINN?, a Software System for Automatic Classification
• PICsIM - the INTEGRAL/IBIS/PICsIT Observation Simulation Tool for Prototype

... Information about a variety of different calendars for different cultures (e.g., Christian, Jewish, Muslim, Chinese, Hindu etc.) ... In addition, the Chinese had two different ways of interpreting and observing celestial events. One way the Chinese used astronomy was known as lifa; it was a discipline that aimed to understand the regularities and the predictable events in the celestial system through careful, observations, measurements and records. ... back to Teachers' Newsletter Main Page ...

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Ground Support of RadioAstron . Control and Tracking Stations . RadioAstron satellite control (command transmission, telemetry, orbit measurements) will be conducted from Evpatoria and Bear Lake control stations. ... Coarse orbit measurements will be carried out from control stations. Each measurement takes ten minutes. ... Orbit measurements at tracking stations give only radial component of spacecraft velocity but the measurements are going continuously during observing sessions. ...

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• GOCG Pre-Observation Products
• Help for xxx E-Print Archive (index)

... l - the mean galactic longitude; . ... mul - the median proper motion along galactic longitude of the stars of the OB-association, in units of 0.001 arcsec year -1 ; . dml - the estimation of mul dispersion in the OB-association, in 0.001 arcsec year -1 ; . mub - the median proper motion along galactic latitude of the stars of the OB-association, in units of 0.001 arcsec year -1 ; . dmb - the estimation of mub dispersion in the OB-association, in 0.001 arcsec year -1 ; . ...

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• Technical Details
• HSFA 2 technical description Technical Details
• IDL programs

XEphem Forum Message . Forums: . ... Post . ... Filter Based On Catalogs? ... Post Message | ... Posted by Rob Knop on December 27, 2000 17:52:25 UTC . ... Re: Filter based on catalogs? - ecdowney - December 27, 2000 - 18:54 UTC . Re: Re: Filter based on catalogs? - rknop - December 27, 2000 - 20:53 UTC . ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Re: Re: Filter Based On Catalogs? - an Astronomy Net XEphem Forum Message
• Re: Filter Based On Catalogs? - an Astronomy Net XEphem Forum Message
• Re:Suggestions For Light Pollution Filters Wanted - an Astronomy Net Eyepieces

... Обзор LPR фильтра. Впечатления от наблюдений с LPR фильтром. ... Характеристики цветных фильтров Baader-Planetarium . Мой перевод pdf- файла о фильтрах с сайта Baader-Planetarium (379 кб) . ...

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• Baader NEODYMIUM (Moon & Skyglow) filter

... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...

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• Description of system SEDs

Posting Observations . ... You will need to subscribe to vsnet-acc (to allow you access to post your observations). ... VSNet has several different e-mail sigs, and sub sigs. ... These list are controlled by a software package called " Majordomo ", which allows you to subscribe and unsubscribe yourself from these list with an e-mail message (automated). ... Once you have subscribed to vsnet-acc (which will only send you a welcome message back and nothing else) you can post to the other list. ...

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• Supernova 1998ey in NGC 7080

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. ...

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• AI SPbU library of scattering codes

Astronomy Picture of the Day . ... 11.06.2004 . ... Revealing a network of cells and dark filaments against a bright solar disk with spicules and prominences along the Sun's limb, his telescopic picture was taken through an H-alpha filter. ... But in H-alpha pictures like this one, sunspot regions are usually dominated by bright splotches (called plages ) on the solar chromosphere. ... June 2004 . ... Publications with keywords: sunspot - H-alpha . Publications with words: sunspot - H-alpha . ...

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• Simeis 147: Supernova Remnant
• Bakasa Eclipse Sequence
• Journal "Peremennye Zvezdy"

The IAA RAS . ... View details . ... Observatories 'Svetloe' and 'Zelenchukskaya' participate in frequent VLBI-observation sessions organized by the International VLBI Service for Geodesy and Astrometry . ... As part of collaboration with the U. S. Naval observatory in the areas of EOP determination and analysis the USNO uses IAA RAS daily EOP data obtained from SLR and VLBI. ... The IAA RAS and the Centre National d'Etudes Spatiales carry out joint DORIS observations on the Badary observatory. ...

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• (Untitled)