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21. Your First Telescope - an Astronomy Net Article
Your First Telescope . Articles | ... Modern amateur telescopes can be divided into three classes: . 1) The refractor is what most people think of when they hear the word "telescope". ... Refractor disadvantages: Some secondary color ("chromatic aberration") still visible in all but the best units, large aperture instruments can be massive, most expensive of the three designs (often by a large margin), "Guilt By Association" with horrible department store refractors. ... www.astronomy.net . ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.net/articles/7/telescopes.html -- 16.7 Кб -- 09.04.2016
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22. Practical Astrophysics
Subject, Object and Problems of Astrophysics. Practical and Theoretical Astrophysics. ... Visual Telescope; Problems Which Are Solved with the Its Help. ... Resolution of Telescopes. ... Effectiveness of Telescope in Respect of Resolution. ... Optical Power of Telescopes for Star-like and Extensive Objects. Boundary Magnitude. Reasons of Light Dissipation in Telescopes. ... Spectral Instruments in Astrophysics. ... Basic Photometrical Ideas, Magnitudes and Their Measurement. ...
[ Сохраненная копия ]  Ссылки http://space.univ.kiev.ua/courses/pract_astroph_e.html -- 7.6 Кб -- 23.02.2005
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23. Izmccd
Download Izmccd (~2.7 MB). ... a) a choice of the best mode of measurements of stars and objects ("Properties/Measurement"), . b) a choice of reference stars. ... 1) necessity of presence on an image of a plenty of stars (we recommend to apply this mode, if on the frame of reference stars is more 100) . ... Sx and Sy depend from residuals at all reference stars (reference stars are marked by blue color). ... These residuals are the image of the star a minus function of a profile for each pixel. ...
[ Сохраненная копия ]  Ссылки http://www.izmccd.puldb.ru/izmccd4e.htm -- 7.6 Кб -- 17.09.2007
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Еще в разделе: (Показать все результаты (>13) - www.izmccd.puldb.ru/ )

24. Galaxy sector, archive 2004
... 2004: . ... An increase in star brightness is followed by a decrease in asphericity and wind velocity to the point where stationary and even accreting fraction of the wind appears in extremely bright objects together with a flowing out fraction. ... Based on an analysis of observations obtained with BTA and on the published data it was found that degree of abnormality of energy distribution in continuum of magnetic chemically peculiar stars increases with an increase of their rotation period. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/Doc-en/Science/results/ar_galaxy/res2004.html -- 7.5 Кб -- 10.04.2016
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/Doc-en/Science/results/ar_galaxy/res2004.html -- 7.5 Кб -- 10.04.2016
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25. http://www.mrao.cam.ac.uk/projects/OAS/coast_visual_intro/
A satellite view of the COAST telescope . ... How the COAST telescope works . ... Four telescopes are focused on the object of interest and the image from each telescope passes through aluminium tubes into the beam combining building . ... The incoming light is reflected from the siderostat mirror onto the primary mirror, which focuses the light on a small mirror. ... Part of each light beam is used in the guiding system which makes sure the telescopes are kept pointing at the object of interest. ...
[ Сохраненная копия ]  Ссылки http://www.mrao.cam.ac.uk/projects/OAS/coast_visual_intro/ -- 11.0 Кб -- 21.02.2013
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26. ASP: The New and Improved Hubble Space Telescope
... We can help students grasp the significance of Hubble's extremely keen eye, and learn a bit about angles and math in the process, with the following in-class activity. ... Looking through binoculars or telescopes allows us to magnify a small section of the sky. To measure sizes or distances in that small section, astronomers divide a degree into 60 smaller pieces called arcminutes, and further subdivide minutes into 60 smaller sections called arcseconds. ... 30 feet = . ... 36 seconds . ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/26/hubble2.html -- 16.0 Кб -- 02.10.2012
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27. Recreational telescopes
RECREATIONAL TELESCOPES . ... ASTRONOMICAL TELESCOPES . ... The first line of LOMO® amateur telescopes 60 – 80 mm in diameter was produced in 1938. Now, under the ASTELE™ name, LOMO PLC and LOMO America are glad to offer you a new line of recreational astronomical telescopes ranging from 70 to 254mm in diameter, and a new line of spotting scopes from 30 to 95mm in diameter. ... Our line of recreational telescopes consists of several groups of scopes based on their optical parameters. ...
[ Сохраненная копия ]  Ссылки http://www.lomoplc.com/recreatetelescopDataPage.htm -- 11.0 Кб -- 09.04.2016
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28. http://www.naic.edu/~gibson/pleiades/press/press_release.txt
... The latter will also help scientists construct a three-dimensional map of the nebula and should answer some questions about how it is interacting with the Pleiades cluster. Already Gibson and collaborators Kenneth Nordsieck of UW-Madison and Mark Holdaway of the National Radio Astronomy Observatory have added substantial evidence to the theory that the dust and gas the Pleiades nebula is composed of does not come from the famous cluster of stars that gives the nebula its name. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~gibson/pleiades/press/press_release.txt -- 4.4 Кб -- 24.01.1996
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29. Stellarium: Supernova Class Reference
Stellarium 0.12.3 . ... Classes . ... Supernova Class Reference . ... Supernova (const QVariantMap &map) . ... Get a QVariantMap which describes the supernova. ... getSelectPriority (const StelCore *core) const . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getVMagnitude (const StelCore *core, bool withExtinction=false) const . ... getAngularSize (const StelCore *core) const . ... getPositionInfoString (const StelCore *core, const InfoStringGroup &flags) const . ...
[ Сохраненная копия ]  Ссылки http://astro.uni-altai.ru/~aw/stellarium/api/classSupernova.html -- 40.3 Кб -- 28.02.2014
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30. Images Taken by Mike Shade of the Sonoita Hills Observatory
... These images were provided to Winer Observatory by Mike Shade of Sonoita Hills Observatory as an example of the outstanding work done by local Sonoita amateur astronomers. ... All images on this page were taken with a 6-inch Astro-Physics aprochromatic refractor at Sonoita Hills Observatory using an SBIG ST-7 camera. ... Object: Galaxy Messier 100 . ... Date: March 2001 . ... All images on this page were taken with an f/5 Newtonian reflector at Sonoita Hills Observatory using an SBIG ST-7 camera. ...
[ Сохраненная копия ]  Ссылки http://www.winer.org/About/Mike_Shade.php -- 14.0 Кб -- 09.04.2016
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31. The galaxy M100
An image of the grand design of spiral galaxy M100 obtained with NASA's Hubble Space Telescope resolves individual stars within the majestic spiral arms. ... Hubble has the ability to resolve individual stars in other galaxies and measure accurately the li