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1. APOD: 2006 September 7 - Colorful Moon Mosaic
... 2006 September 7 . Colorful Moon Mosaic . ... Explanation: No single exposure can easily capture faint stars along with the subtle colors of the Moon. ... The fascinating color differences along the lunar surface are real, though highly exaggerated, corresponding to regions with different chemical compositions . And while these color differences are not visible to the eye even with a telescope, moon watchers can still see a dramatic lunar presentation tonight. ... About APOD | ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap060907.html -- 4.7 Кб -- 02.10.2012
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2. A Colorful Lunar Corona
... A Colorful Lunar Corona . ... 14.06.2015 . ... Credit Copyright: Sergio Montгfar Explanation: What are those colorful rings around the Moon? ... Rings like this will sometimes appear when the Moon is seen through thin clouds. ... The featured lunar corona was captured around a Strawberry Moon on June 2 from La Plata, Argentina. ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: Moon - clouds - corona . Publications with words: Moon - clouds - corona . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/msg/1337637 -- 15.1 Кб -- 15.06.2015
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3. Why do some stars appear to flash a variety of different colors when you look
... Tonight's Sky . ... Sky this Month . ... Star Atlas . ... stars . ... The Sky This Week: April 1 - 10 . ... Observing springtime deep-sky objects with a large telescope . ... Why do some stars appear to flash a variety of different colors when you look at them through a telescope? ... So, Earthт??s atmosphere will bend some colors from especially bright stars more so than others, which makes the source look like itт??s flashing colors. Get instant access to subscriber content on Astronomy.com! ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/magazine/ask-astro/2012/05/atmospheric-effects -- 63.0 Кб -- 10.04.2016
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4. NICMOS Data Handbook
... NICMOS Data Handbook > Chapter 5: Data Analysis > 5.4 PSF Subtraction . ... PSF subtraction for NICMOS data can be very effective, especially for images from cameras 1 and 2, thanks to a few important features of this instrument: . ... The factors are: focus variations due to OTA breathing, cold mask irregular motion (?wiggling?) on an orbital time scale, PSF color dependence. ... Table 5.5: Effect of focus variation, cold mask wiggling, and PSF color dependence on PSF subtraction. effect of: . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/hst/nicmos/documents/handbooks/DataHandbookv8/nic_ch5.9.5.html -- 138.1 Кб -- 05.02.2013
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5. APOD: May 22, 1996 - Star Cluster in the Rosette Nebula
... May 22, 1996 . Star Cluster in the Rosette Nebula . ... Explanation: Embedded in the center of the colorful and photogenic Rosette Nebula is a bright, young open cluster . The bright blue stars in this cluster, labelled NGC 2244, emit ultraviolet light that knocks electrons away from hydrogen atoms . ... The Rosette Nebula is thousands of light years distant, but light would take only about 100 years to cross it. ... Tomorrow's picture: The Violent Star Cluster 30 Doradus . ... About APOD | ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap960522.html -- 4.7 Кб -- 02.10.2012
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ViaLattea/rosette_umich_big.html -- 4.3 Кб -- 02.03.2001
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6. Low Surface Brightness Galaxy Gallery
In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/sb2.html -- 4.8 Кб -- 26.05.2000
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7. Meade Series 4000 Photo-Visual Color Filters
... 11 Yellow-Green (78% transmission): Contrasts well with the red and blue characteristics of surface features on Jupiter and Saturn. ... 82A Light Blue (73% transmission): Useful on the Moon, Mars, Jupiter, and Saturn, this subtle pale blue filter enhances areas of low contrast while avoiding significant reduction of overall image brightness. ... Meade Series 4000 Photo-Visual Color Filters may be ordered individually or in the following sets: . ... Meade Series 4000 Broadband Nebular Filters . ...
[ Сохраненная копия ]  Ссылки http://www.meade.com/catalog/meade_4000/meade_series_4000_filters_02.htm -- 21.5 Кб -- 06.10.2007
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8. Color Chilled 3-chip CCD Camera C5810
... The Chilled 3-chip Color CCD Camera C5810 was developed to provide real color imaging in low light level conditions. This camera incorporates 3 CCD chips coupled to a trichromatic beam splitter that reproduces real colors at all microscope intensities. ... Peltier elements are used to cool the CCDs to reduce thermal noise to minimal levels while fixed pattern noise such as illumination shading and any remaining thermal noise can be removed with the built-in image subtraction feature. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/drabek/CCDP/Hamamatsu/USA/CCD-CAMERAS/C580-cam/index.html -- 5.0 Кб -- 09.01.1999
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9. ESO - My data shows an extended, bright feature - what can this be?
... Observatory . ... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > My data shows an extended, bright feature - what can this be? ... Observing Facilities . ... Observing with ESO Telescopes . ... Science Data Products Forum . ... ESO Data . ... You might also want to check http://www.eso.org/sci/observing/PublicSurveys/useful_links/OmegaCAM_images.html where we provide a collection of example OmegaCAM images, illustrating some special data features. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/sci/data-processing/faq/my-data-shows-an-extended-bright-feature-what-can-this-be.html -- 22.7 Кб -- 10.04.2016
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10. Набор ножей Fiskars 857197 Featuring куртка
... title='Набор ножей Fiskars 857197' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> . Бренд: FEATURING . Цвет: натуральный . Размер: M . ... Возраст от месяцев: -2147483648 . ... Пол: Унисекс . ... Он отлично сохраняет тепло, позволяя малышам играть на полу. ... Свободный крой, капюшон, удобные карманы и чуть укороченный дизайн - хлопковая куртка Sorrento Jacket поможет Вам создать непринужденный образ и дополнить Ваш лук прохладным летним вечером. ...
[ Сохраненная копия ]  Ссылки http://astrokuban.info/astroku7135.html -- 21.4 Кб -- 14.02.2016
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11. M42 Color Images
... As an experiment, I made some three-color images of Messier 42, more commonly known as the Great Nebula of Orion. ... green enhanced . ... halfsize or fullsize . ... Each image is a ``true color'' composite of three monochromatic images, in which the red, green, and blue intensities each correspond to the intensity of one of the original images. ... The HST image is assembled from different filters than mine: red is Nitrogen [II] at 6583 , green is H-alpha at 6563 , and blue is O [III] at 5007 . ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~gibson/m42/ -- 7.0 Кб -- 19.08.2004
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12. ASP: Black Holes to Blackboards: Seeing the Light
... Another option is to buy slides of astronomical objects at different wavelengths to show students why astronomers use different bands of the spectrum to bring out specific characteristics in celestial objects. ... He then uses the camera to scan the entire classroom, asking students to identify what they are seeing. ... Once students see light in action, they can investigate its properties - such as frequency, wavelength, and interference - with wave experiments. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/pubs/mercury/9801/lockwood.html -- 12.0 Кб -- 02.10.2012
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13. Uranus Picture List
Uranus . ... Miranda . ... 1998 image from HST showing bright clouds html . ... Two views of Uranus' darkspot 107k gif ; 40k jpg . normal and false color views 102k gif ; 40k jpg . ... Infrared image of Uranus B 33k gif . Infrared image of Uranus 2 B 37k gif . Infrared image of Uranus 3 B 56k gif . ... Infrared image of Uranus 5 B 43k gif . Infrared image of Uranus 6 B 34k gif . Infrared image of Uranus 7 B 36k gif . ... Uranus' rings (false color) 78k gif ; 35k jpg ; 211k gif . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/nineplanets/pxuranus.html -- 11.2 Кб -- 31.03.1999
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14. A Quasar Primer
... The picture shows sketches of the optical and ultraviolet (top, left) and X-ray (top, right) spectra of a typical quasar or AGN (Active Galactic Nucleus). These spectra are full of sharp features due to the interaction of atoms with light ('atomic features'). They can be high (= bright) points, called 'emission lines' or low (= dark) points, called 'absorption lines' . ... Broad Emission Lines ("BELs") [seen in 100% of AGN], . ... Broad Absorption Lines ("BALs") [see in only 10% of AGN], . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/~elvis/primer.htm -- 2.8 Кб -- 01.10.2012
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15. http://www.atnf.csiro.au/computing/software/gipsy/sub/pgctab.dc2
... Description: SUBROUTINE PGCTAB(L, R, G, B, NC, CONTRA, BRIGHT) INTEGER NC REAL L(NC), R(NC), G(NC), B(NC), CONTRA, BRIGHT Use the given color table to change the color representations of all color indexes marked for use by PGIMAG. ... In the following, the term 'color table' refers to the input L,R,G,B arrays, whereas 'color ramp' refers to the resulting ramp of colors that would be seen with PGWEDG. ... CONTRA (input) : The contrast of the color ramp (normally 1.0). ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/computing/software/gipsy/sub/pgctab.dc2 -- 4.1 Кб -- 31.10.2001
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16. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Are colored dwarfs actually colored or are they different kinds of stars? ... Therefore a white dwarf is very bright, and a brown dwarf is very dark. ... Brown dwarfs are a newly discovered type of object, which are midway between stars and planets. ... Several brown dwarfs have been recently discovered orbiting normal stars; you can find more about them at one of my favorite web sites, The Nine Planets , on the page called "Other Solar Systems?" ...
[ Сохраненная копия ]  Ссылки http://www.badastronomy.com/mad/1997/dwarfcolor.html -- 20.4 Кб -- 09.04.2016
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17. Feature enhancement: normalizing
Next: Feature enhancement: local Up: No Title Previous: Feature enhancement: filtering . ... As a result, a common magnitude scale (contour lines on the maps above, or color scale on Fig.1) will poorly display the short-duration events in a signal. Normalizing each line of the map (fixed duration) so it has unit variance (in effect dividing the energy map by the mean energy spectrum) at each duration restores more details of small-scale activity (Fig. ...
[ Сохраненная копия ]  Ссылки http://crydee.sai.msu.ru/~vab/Wavelet.rsc/Tutor.dir/node20.html -- 3.2 Кб -- 12.04.1998
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18. The 2175? feature
... Laboratory and theoretical modelling of the UV bump on the interstellar extinction curve is a very popular topic in dusty investigations. ... feature is illustrated by Fig. 10 where the profiles were calculated using the model of graphite spheres. Figure 10: Normalized extinction efficiencies for graphite spheres. ... The lower panel shows the summary extinction of two graphite spheres with radii and (from upper panel) taken in equal proportions. ...
[ Сохраненная копия ]  Ссылки http://www.astro.spbu.ru/DOP/8-GLIB/ASTNOTES/node4.html -- 13.3 Кб -- 19.11.2010
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19. Featured Image | International Year of Astronomy in Ireland | Astronomy 2009
... International Year of Astronomy in Ireland . ... Christmas Moon", painting by Miruna Popescu, Armagh Observatory, featured as " Lunar photo of the Day " and " Astronomy Sketch of the Day " on 25 December 2009. ... To mark the 400th anniversary of GalileoтАЩs first use of the telescope to observe the sky, 2009 has been celebrated worldwide as the International Year of Astronomy. Moon over Armagh - link to Astronomy Sketch of the Day on 25 December 2009 . ... Monday, 11 May 2009 23:54 . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/scholars/iya/fiw/ -- 17.3 Кб -- 31.12.2009
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20. Bus Hound
... Bus Hound may be the very first product of its kind -- a software bus analyzer for capturing device I/O and protocol. ... When the capture buffer fills to capacity, Bus Hound can be configured to stop the capture process or continue capturing, keeping the most recent acquired data. ... IDE : Bus Hound captures command and data transfers for ATA and ATAPI devices. ... B us Hound captures I/O using a device driver. ... The below figure demonstrates how Bus Hound captures data for SCSI devices. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/sts/othe/bushou/details.htm -- 14.0 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/sts/othe/bushou/details.htm -- 14.0 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/sts/othe/bushou/details.htm -- 14.0 Кб -- 24.02.2010
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