... Algorithms Two algorithms have been used to simultaneously solve for the sky, gain, and offset for simulated sets of dithered images. ... 200 Grumm & Casertano Figure 1. ... Tests on simulated MIPS HDF-N campaign (1440 pointings) converge to shot-noise-limited sky in 2 hours (single-processor 440 MHz Sun Blade 1000) · When solving for sky and gain, achieves machine precision on noiseless data; for noisy data, solution slightly different from Fixsen-Arendt solution, but within noise. ...

... Star Atlas . ... stars . ... Nuclear fusion of hydrogen into helium powers stars, but fusion requires a lot of energy. Where does this energy come from? ... You re in good company: This question also stumped the physicists who first tried to understand nuclear fusion in stars. In a star s core, all atomic nuclei have been separated from their electrons, so each hydrogen atom is really just a proton and thus holds a positive charge. ... Get instant access to subscriber content on Astronomy.com! ...

hstpolsim -- Produce simulated polarization input data frames for HST instruments . ... inint = "" [name] . ... Name of the HST instrument for which simulated polarization images are to be produced. ... Name of the instrument specific polarizing filter for simulated images (ignored for SPECIAL instrument). filtname = "" [name] . Name of the instrument specific colour filter for simulated images. ... The header parameter FILTER provides the filter name and POLANG the polarizer angle. ...

... WWW NOTE: One Photoshop file is included in the Mac distribution. ... For comments, questions, further variations there is a corresponding folder on Compuserve in the Graphics area: Go Graphics>Graphics B Vendor+ forum>HSC or Go KPT. Displace Filter Examples . ... fig 1a) . ... The white areas mean maximum horizontal movement to the left, black areas force to the right, effectively tearing the image apart left right... fig 1b) . ... Note: The image being displaced here is 200x200 pixels. ...

... Corresponding authors will receive an e-mail with a PDF file of paged proof for checking and correction. The file can be read and edited using Adobe Acrobat Reader (version 9 and higher) which can be free downloaded via the Internet ( http://get.adobe.c om/reader/ ). ... You can use text correction tools to make corrections (after selecting the necessary text fragment). ... For users of Adobe Reader 9: . ... to insert text without replacing the existing text, use the "Insert text at cursor" tool. ...

All stars derive their energy through the thermonuclear fusion of light elements in to heavy elements. High temperatures are required so that the mutual electrostatic repulsion of the protons in each fusing atomic nucleus is overcome. ... Elements with more protons in their nuclei require higher temperatures. ... This sequence is now shown in the animation below. ... First Step of the Proton-Proton Chain Narration . Second Step of the Proton-Proton Chain Narration . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Moon . ... Space Flight . ... Science Fiction . UFOs and Fringe Science . Monthly Sky Notes . ... NASA's Cassini spacecraft obtained this image of Saturn's moon Helene on June 18, 2011. Image credit: NASA/JPL-Caltech/Space Science Institute) . ... Your email address will not be published. ... Email * . ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

... Phil Creed's Astronomy Bowl! ... Hidden Hollow's Astronomy Bowl is a fast-paced question-and-answer game designed to both enlighten and challenge stargazers. ... Astronomy Bowl follows the traditional format of alternating toss-up and bonus questions, with a few tweaks. ... The host will read a toss-up question. ... Once a toss-up is correctly answered, that team is given a bonus question. ... If only 14 toss-ups are answered correctly, that means 20 toss-ups and 14 bonus questions will be read. ...

... Meade Instruments Corporation . ... Autostar Computer Controllers . 497 Autostar . ... One of the most important advances in telescope control in the past 25 years, the Meade #497 Autostar Computer Controller turns the ETX into an automatic celestial object locating system. ... The #497 Autostar Computer Controller plugs into the control panel of ETX-90EC, ETX-105EC, and ETX-125EC telescopes and enables automatic location of more than 30,000 celestial objects. ... about meade | ... Meade 4M | ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... Timothy L. Kopra (Colonel, U. S. Army, Ret.) NASA Astronaut . ... In this position, he primarily served as an engineering liaison for space shuttle launch operations and International Space Station hardware testing. ... He then served in the Space Station Branch of the Astronaut Office, where he was involved in the testing of crew interfaces for two space station pressurized modules as well as the implementation of support computers and operational Local Area Network on the station. ...

Introduction 1 Observatory Control and Astronomical Analysis System. ... OCAAS is a complete UNIX software package for the local and remote operation of an astronomical observatory. ... It controls all aspects of the telescope mount, CCD camera, filter wheel, focuser, weather instrumentation, power supply, GPS receiver, internet or phone line communications, dome and shutter hardware. ... 1.2 Main Control Features. ... OCAAS can perform an automatic focus procedure at any time under operator control. ...

... Samara region . SSAU History . SSAU roadmap . ... Events The Third Lem Reading Conference . ... September 10 - completion of reception of scientific articles for edited volume of the conference materials; . ... Proposals, suggestions and comments should be sent to Nesterov Aleksandr Yuryevich and Demina Anna Ivanovna at: lemovskiye.org@gmail.com or phil@ssau.ru marked 'The Third Lem Reading Conference' in the subject line, phone: +7 846-267- 47-87. ... Ed.) The Second Lem Reading Conference. ...

Trace: dokuwiki . start : wiki : dokuwiki . ... SAI VO Projects . ... User Space . ... Download . ... DokuWiki is a standards compliant, simple to use Wiki , mainly aimed at creating documentation of any kind. ... Check out the user forum . ... The DokuWiki engine is licensed under GNU General Public License Version 2. ... The content published in the DokuWiki at http://www.splitbrain.org/dokuwiki/ is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License Version 2.0. ...

Astronomy Discussion Forums . Forums: . ... You Are Missing The Point . ... Post Message | ... Yes, 'lieto' is a label for "something that we know not what" (i.e., if we don't speak Italian), and, yes, we can use 'lieto' as a filler for "something I know not what" but we will use it anyway just to represent whatever 'lieto' does mean. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... In this action scene, red night vision lights, green laser pointers, tripods and telescopes in faint silhouette surround intrepid sky gazers embarked on the 10th annual Iran Messier Marathon. ... To do that composers Alex Parker and Melissa Graham relied on the Canada France Hawaii Telescope (CFHT) Legacy Survey data of four deep fields on the sky monitored from April 2003 through August 2006, adopting 241 Type Ia supernovae. Space Shuttle Rising . ... The space shuttle. ... No one is sure. ...

. To read your mail enter the command: mail . A summary of your messages, made up of mail headers is displayed. At the bottom of the screen is the mail prompt " " at which you enter the commands that allow you to read your mail. Example . Reading the top of each message . Reading other mail files .

Первые чтения, посвященные памяти Марата Усмановича Сагитова, бывшего зав. отдела гравиметрии ГАИШ, были проведены в честь его 70-летия. После этого они проводятся регулярно (ежегодно в ноябре-декабре). 2008 2007 2005 2003 2001 2000 1999 1998 1997 1996 . 1995

... This book uses many authentic sources such as factual texts, newspaper articles, features and TV schedules, instruction manuals, everyday signs, stories, quizzes, emails and diary entries. ... Чернила для принтера HP HP Photosmart 425. цвета: Cyan, Magenta, Yellow, Black, емкость баночек - по 100 мл. ...

... Bad Astronomy . Misconceptions . ... Bad Astronomy : The Moon only shows one face to us because it is not rotating. Better astronomy : The Moon only shows one face because it is rotating, once every time it revolves around the Earth. ... Place the Moon model on the table about 30 centimeters (one foot) away with the X facing the Earth model. ... You'll see that to keep the X facing the Earth model, you have to rotate the Moon model as it goes around the Earth model . ... 2008 Phil Plait. ...