... Gallery . ... Wide Field Survey Images . Miscellaneous Wide Field Images . ... Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: Jewel Box . Description: NOTE: All images are copyright and must not be reproduced or mirrored in any form without written permission. ... Owner: Gallery Administrator . ... Jewel Box NOTE: All images are copyright and must not be reproduced or mirrored in any form without written permission. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Stars . ... Space Flight . ... Although they look tranquil here, observed up close such young stars would seethe and glare violently. ... Once thought to be a satellite of our own galaxy, increasingly the Small Magellanic Cloud is believed to be an interloper from the intergalactic void which has wandered into its present location and will eventually recede away into the darkness. ... Your email address will not be published. ...

... Tonight's Sky . ... Observing . ... Star Atlas . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Astronomy for Kids . ... Glittering jewels of Messier 9 . ... The Hubble Space Telescope has produced the most detailed image so far of Messier 9, a globular star cluster located close to the center of the galaxy. ... Globular cluster Messier 9 is a roughly spherical swarm of stars that lies about 25,000 light-years from Earth, near the center of the Milky Way...

... The methane band quad filter, known as the jewel-quad, was designed for a four-faceted WF/PC configuration to permit imaging with both four WFC CCDs and four PC CCDs. ... PC imaging with all four elements of the methane band jewel-quad cannot be recovered, but partial SOFA wheel rotations of -15 degrees and +15 degrees are implemented to recover two of the four methane band filters (8929 and 6193 ). ... The filter projections associated with the methane band jewel-quad are shown in Figure 3.8 . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . The transit clock, Earnshaw's first ever long-case clock, is described by him in his "Appeal to the Public" in 1808, where he states his claim to a national reward for his contribution towards the solution of the determination of longitude problem. ... The clock originally had a 9- bar gridiron pendulum of alternate steel and brass rods which was replaced in 1830 by a mercurial pendulum made by Mr Sharp, Sen., of Dublin. ...

... PmWiki . Summary: PmWiki group header. ... Summary: Predefined PmWiki styles & adding custom wiki styles:) (:Audience: administrators (intermediate) :) This page describes the predefined Wiki Styles and how a Wiki Administrator can define additional Wiki Styles as a local customization for all pages (in local/config.php) or specific groups (in local/$Group.php). All predefined Wiki Styles are setup in the global array $WikiStyle . ... red . ... WikiStyle['decimal']['apply'] = 'list'; . ...

... It would be the ultimate backpacking trip: an exploration of Saturn's rings. ... The partly hidden Sun glinting off the field of ring chunks, the gentle gravitational symphony of collective motion that carries both chunks and explorers safely around the planet, the feeling of being surrounded yet freely floating -- all disguise the fact that everything is whirling around Saturn at tens of thousands of kilometers per hour. ... Dark side of the ringed planet. ... The rings are enormous. ...

OptInt PmWiki : Pm Wiki / Images . ... http://pmichaud.com/img/misc/pc.jpg"Paper clips" | ... To create a link to an image (like http://pmichaud.com/img/misc/pc.jpg as opposed to displaying the image itself), use double brackets to mark the link, as in [[http://pmichaud.com/img/misc/pc.jpg]] or [[Attach:image.jpeg]] . ... http://pmichaud.com/img/misc/pc.jpg"PmWiki"]] . ... A caption can be added to an image using a vertical brace and the caption text. http://pmichaud.com/img/misc/pc.jpg"Paper clips" | ...

... Archives . ... Like many fields, Information theory has grown fast since the monumental debut paper by Shannon (1948) like the speed of astronomers observation techniques. ... My reason for recommending this book is that, personally thinking, having some knowledge in information theory (in data compression and channel capacity) would help to resolve limited bandwidth in the era of massive unprecedented astronomical survey projects with satellites or ground base telescopes. ... Chandra Blog . ...