... Imagine that for every pixel in the color image, you take its luminance value (that's how bright it appears). ... In the end, you will have a histogram which counts how many times each luminance value appears in the image (that histogram can be used to analyze the distribution of the luminance values in the image). ... For the watermark effect, we want to use the same value that we used in the Stretch Contrast step, so that the lightest color will be in fact white (255), and nothing will get clamped...

... It s caused by sunlight reflecting off dark cosmic dust in the Solar System. ... By combining the power of four very large telescopes into one super-telescope, astronomers have given themselves the ability to peer closely at almost 100 distant stars. And they discovered ghostly zodiacal light glowing around nine of them exactly as we see it in our own Solar System! ... In fact, out of almost 2000 planets that have been discovered around distant stars, only around 20 have been photographed! ...

To create a tarfile containing several files: tar cvf data.tar *.dat . This creates a tarfile data.tar containing all the files in the current directory which have the filename extension .dat . ... To create a tarfile of a directory: tar cvf project.tar Project Project/README Project/Makefile Project/Makefile Project/main.c Project/screen.c Project/menus.c Project/calculator.c Project/setup/configuration . ... This creates a tarfile book.tar containing the directories text and illustrations . ...

Next: An example of Up: Association of images Previous: Association of images . The two sets of selection criteria (``first choice'' and ``second choice'') have to be entered in a table containing four columns: . FUNCTION --character column (max 256 char) . This column defines the different selection criteria and shall contain mathematical expressions in which the variables may be the columns of the OST. ... RANGE_1 --character column (max 256 char) . ... WEIGHT --real column . ...

... Light from the Heart Nebula . ... The large emission nebula dubbed IC 1805 looks, in whole, like a human heart . ... A close up spanning about 30 light years contains many of these stars is shown above . ... The Heart Nebula is located about 7,500 light years away toward the constellation of Cassiopeia . ... NASA Official: Jay Norris. ... Публикации с ключевыми словами: emission nebula - эмиссионная туманность . Публикации со словами: emission nebula - эмиссионная туманность . ...

... Here we will look at line plots. We will go through steps, such as changing linestyles and symbols, you can use to modify your line plots. ... IDL> plot, num, line . ... IDL> plot, num, line, psym = 1 . ... IDL> plot, num, line, linestyle = 1 . ... Line Style . ... IDL> plot, num, line, linestyle=2, thick=3 . ... IDL> plot, num, line, psym = 8, symsize = 2.0 . ... IDL> plot, num, line, charsize=2.0, title='GHRS spectrum . ... IDL> plot, num, line, charsize=2.0, xcharsize=0.8, xtitle='wavelength' . ...

... Creation of Space transportation system on the base of large length rope utilization . ... A given address contains the proposal to equip the International Space Station with the long rope and to create on that base a Space transportation system. ... A given system has the multifunctional purpose. ... The rope system could be the base for creating of alternative system of station angular orientation. To utilize the rope system to launch small satellites from the station and to return them back. ...

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. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... the star might be able to see the lead- and zirconium-rich . ... Naslim Neelamkodan, Simon Jeffery, Natalie Behara and Alan Hibbert are studying the surfaces of small hot stars, known as helium-rich subdwarfs. ... Now studying a group of similar stars, they have discovered two which have surfaces containing ten thousand (10,000) times more lead than is present on the surface of the Sun. ... Prof Simon Jeffery . ...

... This paper describes the main algorithms used by the Einstein Level One processing to create the exposure masks and the background maps for Einstein IPC images, and how these algorithms were recreated in the IRAF environment. Our goal was to recreate the algorithms used by the Level One Processing to create exposure masks and background maps for Einstein Image Proportional Counter (IPC) data (cf. sections 2.5 and 2.7 of Harnden et al. ...

... Bojan Nikolic web pages (r. 329) . ... Building CASA . ... XML Schema for the tools description ( casa.xsd ) . These are my notes on how to create a new tool for CASA, in particular in this case a new tool to implement WVR phase correction. ... include <wvrphase_cmpt.h> . ... All of the files below need to be placed in the casa/code/xmlcasa/implement/synthesis directory and the tool will be built and accessible from Python. ... create (); wvrphase . ... How to create a new tool in CASA . ...

ALBUM: planets Artist: Eloy Album: Planets Transcription in progress, e-mail corrections to datta@cs.uwp.edu DRAFT .1 @ SONG : Introduction Instrumental @ SONG : On The Verge Of Darkening Lights warming rays are shadowed by threatning clouds while hissing winds create the oddest sounds linked to the power and speed of a beam. ion is cast to this strange and fake scene forced into isolation ...

... PmWiki . ... Cookbook (addons) . ... The files in this directory include: . ... PmWiki will then analyze your system configuration and provide instructions (if needed) for creating the wiki.d/ directory which will be used to hold the pages created for your site. ... Use this method when "safe mode" is activated in the servers PHP installation. 3b. On some systems you can let PmWiki create wiki.d/ by temporarily changing the permissions on the directory containing the pmwiki.php file to 2777. ...

Classroom Activity: Making a Rainbow . ... When white light from the Sun or a light bulb passes through a prism, the light splits into its component wavelengths. ... Red, blue, green colored filters - if possible, cut 1x4-inch pieces of the filters for each student . ... Many students have the misconception that filters somehow dye the light a certain color. ... Younger students can draw the rainbow and make up a mnemonic for remembering the order of the colors (such as, ROY G. BIV). ...

... In Samara State Aerospace University will establish development and manufacture of electronic and optoelectronic components for the space industry. ... SSAU held a meeting on the development of the centre of microelectronics for the aerospace industry. It was attended by the representatives of the University, the Ministry of Economic Development, Investments and Trade of Samara Region, Russian engineering company ELTEKH and the Swiss Centre for Electronics and Microtechnology CSEM 1 . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... By admin April 29, 2013 Posted in: Armagh Planetarium . The Dragons of Azrael is the brainchild of Martin Ryan from D-Signs and Displays Ltd.€а Based in Coalisland, the company are unique, creative and forward thinking. €аThey design and manufacture a wide range of visual displays for the sign, display, exhibition, theatre and film industries. ... Image credit: Sinead McNicholl) . ... Image credit: Armagh Planetarium) . ...

... Table files like the ones created in the section on imcnts can be displayed, printed and manipulated using the tasks contained in the stsdas.ttools package. ... sp> tables # Load the relevant package ta> tprint rp90_cnt prpar=yes # .tab extension assumed # the hidden parameter prpar is set to display the header # as well as the data ta> tprint rp90_cnt # Displays only the data info ta> tprint rp90_cnt prdata- prpar+ # Displays only the header info ta> tprint rp90_cnt prparam=yes | ...

Next: Binary Radiopulsars with Black Up: Black Holes in Binaries Previous: Black Holes in Binaries . Two different types of stellar BH formation exist: (1) direct core collapse   of a massive star and (2) AIC of a NS. A BH of the first type presumably will have a mass comparable to that of the collapsing star and can be born both from a single star and in a binary system. ... Next: Binary Radiopulsars with Black Up: Black Holes in Binaries Previous: Black Holes in Binaries Mike E. Prokhorov . ...

... STScI-PRC95-45a CRUCIBLE OF CREATION: PANORAMIC HUBBLE MOSAIC ZOOMS IN ON MAELSTROM OF STAR BIRTH This spectacular color panorama of the center the Orion nebula is one of the largest pictures ever assembled from individual images taken with NASA's Hubble Space Telescope. ... Though this 2.5 light-years wide view is still a small portion of the entire nebula, it includes almost all of the light from the bright glowing clouds of gas and a star cluster associated with the nebula. ...

... Does the time it takes different methods to create all the elements coincide with the universeт??s accepted age? ... Illinois Urbana-Champaign) Different kinds of stars create elements at different rates, all of which are consistent with the age of the universe. Get instant access to subscriber content on Astronomy.com! ... Registration is FREE and takes only a few seconds to complete. If you are already registered on Astronomy.com, please log in below. ...