... This program was created for correlating chosen regions in the series of fts images. ... Chosen regions' . ... In this section the program counts the integral for each region of the grid for each image. ... As a matter of fact, the integral is total brightness of the region and it is counted by 'int_tabulated' IDL function. ... In addition, the program will show the count of the regions which correlate with the corresponding region (the brighter region means the bigger count) and its contour. ...

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

Next: A box, to include Up: To produce a region Previous: To produce a region . select cursor and circle . When in the image window, the mouse now has a box shape with an arrow at the upper left corner. The mouse buttons act as follows: . LEFT - to move the center of the circle at the position of the arrow point. ... RIGHT - idle. center the circle at the point source by positioning the arrow point and clicking on the LEFT mouse button. A circle will appear at the arrow position. ...

Astronomy Discussion Forums . ... Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... New Model: How Do The Sun And Moon Appear To Move Across The Sky . ... Post Message | ... focused on the Sun and the Moon as they appear from the given location of the Earth surface: . ... 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" . ...

Program: TRANSFORM Purpose: Transform a (sub)set using rotation, scaling, translation etc. ... This set will be transformed to OUTSET=, using a concatenation of simple operations like rotation, scaling, translation etc. ... POS= Enter position of centre: [0,0] All operations are defined with respect to a central point. ... If, for example, you want to rotate an object about its centre, then determine the position of this centre (e.g. -6.2 8.5) and enter these numbers here (e.g. POS= -6.2 8.5). ...

... Next, the screen displays "Press 0 to align or Mode for Menu." Press "0" if you wish to begin Automatic alignment (or Easy Align, depending on your telescope model), or press Mode if you wish to choose a manual alignment method ("Automatic Alignment" displays, and you can press MODE to go through the menu to find other alignments). ... Note: If you press the "?" key while "Ctr Brightest Star" displays, the alignment star that AutoStar has chosen will display. ... Alignment successful" displays. ...

Contents] [Prev page] [Next page] [Index] . Navigator 4 from Netscape, which is part of the Communicator product suite, includes three new areas of functionality that taken together give you Dynamic HTML. The three components of Dynamic HTML are style sheets, content positioning, and downloadable fonts. Used together, these three components give you greater control over the appearance, layout, and behavior of your web pages. ... Introducing Downloadable Fonts . ...

The following are some standard questions that observers have about their fixed target confirmation charts. ... Why doesn't my target appear to be centered on the cross hairs? ... How is proper motion handled? ... Target well centered . If your target is not perfectly centered in the cross hairs, see the questions below for why it may not be centered and how well centered it must be . ... So, targets to be acquired by STIS should appear well centered in the cross hairs on the confirmation chart. ...

Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

... Meta Index / Home Page / Poissonian statistics and source / Source detection limits . ... as well. subroutine minDetPoissonCountsVector(bkgCounts, likelihoodCutoff , detectableSrcCounts, detectableSrcCountsUncert, srcCountRatios , status) real (single), intent (in) :: srcCountRatios (:), bkgCounts(size( srcCountRatios )), likelihoodCutoff real (single), intent (out) :: detectableSrcCounts( size( srcCountRatios )) real (single), intent (out) :: detectableSrcCountsUncert( size( ...

... The first of the equations defines the position of the spectral orders, m , in the raw image, while the second equation gives, for each order, the dispersion relation in one dimension. ... where the coefficients are computed using least squares techniques on a grid , i.e. sample number and line number of points located within the spectral orders of the image. These points in the grid are found automatically by an order--following algorithm, normally using the FLAT or STD image. ...

Tutulemma: Solar Eclipse Analemma . ... Credit Copyright: Cenk E. Tezel and Tun Tezel ( TWAN ) Explanation: If you went outside at exactly the same time every day and took a picture that included the Sun, how would the Sun's position change? ... Analemma s created from different latitudes would appear at least slightly different, as well as analemmas created at a different time each day. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...

... Positions in 2000 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2001 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2002 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2003 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2004 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . ...

Moving text amounts to picking up words and placing them in a new position. To move a block of text do the following: . ... Define the 'region' . ... Type ^W to 'wipe' the 'region'. ... Move the cursor to the place where you want the text to go. ... Type ^Y to 'yank' the text. A copy of the text moves from the 'kill buffer' and appears in its new location. The text remains in this buffer until it is replaced by something else or until you finish using MicroEMACS. ...

... Apache HTTP Server Version 2.2 . ... User-specific directories . ... A request for http://www.example.com/~bob/one/two.html will be translated to: . ... http://www.example.com/users/bob/one/two.html . ... http://www.example.com/bob/usr/one/two.html . ... With a request for http://www.example.com/~bob/one/two.html , will try to find the page at ~bob/public_html/one/two.html first, then /usr/web/bob/one/two.html , and finally it will send a redirect to http://www.example.com/bob/one/two.html . ...

... It runs on unix, MacOS and possibly on Windows. ... On MacOS or Windows, double-click TUI. If MacOS complains that the application is unsigned then right-click TUI and select Open. ... If you have never run TUI before, set up your preferences before proceeding (for help on any item, right-click on the control and select Help from the menu that appears): . ... To save your window positions and remember which windows to open at startup, select Save Window Positions from the TUI menu. ...

Have you ever heard the name of a star or constellation and wondered what it meant? ... I've compiled a table of commonly known star names and their definitions in the Western tradition, grouped by constellation. ... Following each constellation entry are any named stars found therein (in order from brightest to faintest), listing the Bayer (Greek letter) or other common designation, the star name, and English translation. ... Some other sites with star name information: . ...

This module provides for user-specific directories. ... Source File: mod_userdir.c . ... Module: mod_userdir . ... Use of the enabled keyword, or disabled with a list of usernames, is only available in Apache 1.3 and above. ... Directory-filename is one of the following: . ... A request for http://www.foo.com/~bob/one/two.html will be translated to: UserDir public_html -> ~bob/public_html/one/two.html UserDir /usr/web -> /usr/web/bob/one/two.html UserDir /home/*/www -> /home/bob/www/one/two.html . ...

... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...