... Night Sky Questions . Q. I saw a bright light streak across the sky last night. ... A. Meteors are the bright trails left by fragments of natural space debris called meteoroids (usually chunks of rock or metal) falling through the EarthтАЩs atmosphere. ... As the Earth moves around the Sun over a year, planets will move in and out of view, so the sky changes.To confirm if it was one of the planets, go to www.heavens-above.com . ... Q. I saw a bright light moving steadily across the sky last night. ...

... These data were originally part of a PhD-thesis at Leiden Observatory by M.H. Wieringa (1991). 1 name Name of source (char8, example : '76W0771*') 2 freq MHz Frequency of source detection in MHz (int, example : 327 or 608 ) 3 ra_1950 radians B1950 Right Ascension (in radians) ( real , example : 2.328327) 4 ra_1950_deg degrees B1950 Right Ascension (in degrees) ( real , example : 133.403290) 5 ra_err seconds Error in RA ( ... 70W : Umi, 327 MHz only, one field. ... Columns 21 Rows 5850...

To change your password: passwd Old password: enter your current password New password: enter your new password Retype new password: re-enter your new password . Enter the command passwd and then respond to the prompts by entering your old password followed by your new one. ... The passwords will not appear on the screen as you type, to prevent other people from seeing them. If you make a mistake, the message Mismatch - password unchanged. is displayed and your password remains unchanged. ...

... Today this year's largest group of sunspots will cross the Sun's central meridian. ... The next day, the number of spots in the group reached five, and the day after, on June 2nd, it was possible to count thirteen sunspots on solar disk, which had been clear prior to this. ... This year's two most powerful active areas, which passed across the solar disk at the beginning of May, 2009, are set to appear in the Sun's eastern sector in two days, on June 6th. ...

... 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. ...

Supernovae 2010jl in UGC 5189A . This page is devoted to information on Supernova 2010jl in UGC 5189A . ... Astronomy Magazine's Supernova SN 2010jl . ... Bad Astronomy's SN 2010 JL in weird UGC 5189 . SpaceBanter.com 2010jl post . Blogbaker's 2010jl post . Joseph Brimacombe widefield color image . ... 2010/11/04.50 . ... 2010/11/05.203 . ... Joseph Brimacombe . 2010/11/05.467 . ... mirror . ... JM Llapasset . ... 2011/01/15.160 . ... Back to Bright Supernovae - 2010 . ...

OptInt PmWiki : Pm Wiki / Wiki Style Examples . Wiki styles | ... PmWiki uses WikiStyles for styling text with color and other attributes. PmWiki 2.0 introduced the ability to control the styling further and to even place styles on blocks. ... In addition, an author can define a style "shortcut" by using the define= property. For example, to define a style of %red% , one can use: . define=mystyle color=red% Here is some %mystyle% red text created using a style shortcut. ...

The Telescope:Pointing Data script takes set of pointing error measurements of pointing reference stars across the sky. ... To retry measuring the star, fix the problem (e.g. by adjusting focus, exposure time or offset) and press Continue . ... For each point in the az/alt grid the script will find and slew to a nearby pointing reference star, measure the star, write the pointing error to a data file whose path is displayed, and correct the pointing error. ...

Jean Ballet, CEA/SAp 01 February 2005 Column rejection in the MOS The core of soft sources is removed by the standard emchain. Due to very large fluctuations in count rate from one column to the next at low energy. ... New columns with very bad (too low) energy were discovered in 1E 0102. ... 0831_0125911901, MOS 1, CCD 1, GD 153 (SW mode) Standpixeas alotsrs moved Bad ard l n n y ie The columns running through the source core are rejected by embadpixfind 1.20 in SAS 6.1. ...

... So after a parent process fork() s a child process, it must wait() (or waitpid() ) for that child process to exit. ... Here's an example of how to use fork () : #include stdio.h #include stdlib.h #include errno.h #include unistd.h #include sys/types.h #include sys/ wait .h main() { pid _t pid ; int rv; switch( pid = fork ()) { case -1: perror( fork ); /* something went wrong */ exit (1); /* parent exits */ case 0: printf ( CHILD : This is the child process !\n ); ... exit()...

... 295 Astronomical Data Analysis Software and Systems XII, eds. H. E. Payne, R. I. Jedrzejewski, & R. N. Hook (San Francisco: ASP), 411 . ... Observations by the Chandra X-Ray Observatory are made in a coordinate frame that is essentially fixed. Most objects observed with Chandra, such as supernova remnants, quasars, or pulsars, are at infinity for all practical purposes and the observations produce sharp, focused images. ... Figure 2: Jupiter in ICRS and Object Centered coordinates . ... 2002). ...

An introduction to the celestial sphere, describing its . apparent rotation and the special role of the pole star. ... This lesson plan supplements the web page listed below. Originally named "The sky above us" , it was split into two parts, each of which now has a lesson plan. ... Celestial sphere, constellation, zodiac, celestial pole, the Pole Star ("Polaris"), celestial equator, rotation of the Earth, planets [theodolite, equatorial axis]. ... What makes the Pole Star special? ...

. Ordinate X (Date) . - . relative time of recent update of Web Site / relative time of recent update of a group of Web Sites. Ordinate Y (Size) . - . may be the quantity of letters, pages, outside links, pictures, binaries, error links, or given keywords in the HTML pages of Web Site / a group of Web Sites. Ordinate Z . - . item of list. Brightness (in one-color worlds) . - . the quantity of links to the outside in the HTML pages of Web Site.

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

... click image to view discuss) . ... This is a quick shot of the near-Earth asteroid 2005 YU55 using four consecutive exposures from the Harvard MicroObservatory robotic telescope in Amado, Arizona, on the night of Nov. ... 10, 2015 . This is Comet Lovejoy C/2014 Q2 as it appeared at about 10:30 pm Saturday, Jan. 10, 2015, from my back yard in Belmont, MA, about 5 miles west of downtown Boston. ... Main image: 0.6 second exposure. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

This module provides an environment variable with a unique identifier for each request. ... The unique identifier is even unique across multiple machines in a properly configured cluster of machines. ... On Unix machines, Apache creates several children, the children process requests one at a time. ... To distinguish time we will use a Unix timestamp (seconds since January 1, 1970 UTC), and a 16-bit counter. ... The actual ordering of the encoding is: time stamp, IP address, pid, counter. ...

... Structure of Data . ... Catalog . ... The SAI OCL Catalog site provides several VO-enabled modes of operation: . VO-enabled catalog data analysis from a browser . ... Endpoint URL is http://ocl.sai.msu.ru/catalog/conesearch/ . ... VO-enabled catalog analysis from a browser . Presently, this recipe works with Firefox (Windows, MacOS, Linux), Internet Explorer (Windows) and Opera (Windows) browsers with Java plugin 1.6 installed. ... Main TOPCAT window with SAI OCL catalog loaded will appear. ...