... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

Most of these images were obtained by Mike Bessell, Michelle Buxton, Hwankyung Sung, Ralph Sutherland and Bob Watson at SSO using a 2Kx2K Site CCD behind a Nikon or Hasselblad lens or directly on the 1m telescope. A few images are from the Hubble Space Telescope. Some of the M42 images were obtained with the KPNO 1m and ESO NTT telescope. One image is a mosaic of IRAS images. ... Details of the CCD imaging program at MSSSO. ... antenna.jpg (53KB) . ... ngc6744.jpg (59KB) . ...

Description and Specifications (html) ( pdf ) . System Block Diagram (pdf) . ... GALFA Spectrometer Setup, Operations, Basics Manual (pdf) . GALFA Diagnostic Software Overview . ... Polyphase Filter Bank . ... Design of Quadrature Downconverter Board (pdf) . Design of Low-Pass Filters (pdf) . Design of 16-Channel DAC/Gain Control Board (pdf) . ... Design of Digital Decimating FIR Filter (pdf) . ... Quadrature downconverter (August 9, 2004) . Spectrometer board (September 1, 2004) . ...

... 2010 . ... The following images are mosaics obtained on 03 August 2010 at the National Solar Observatory/Dunn Solar Telescope with the Interferometric Bidimensional Spectrometer (IBIS). ... The final images are approximately 238 x 242 arcseconds, or 4 x 4 arcminutes, with a pixel scale of 0.0976 arcseconds per pixel. ... The images show a broad range of typical chromospheric structures, including sunspots, superpenumbra, plage, filaments, and quiet internetwork. ...

... Астронет | Картинка дня | ... планета Астронет | ... Астрономическая картинка дня . ... Около равноденствия магнитное поле Земли ориентировано так, что создаются благоприятные условия для взаимодействия с солнечным ветром, которое и вызывает прекрасное северное сияние. ... Полярные сияния и магнитосфера Юпитера . ... Слегка сжатое магнитное поле словно через воронку несет заряженные частицы к полюсам Юпитера, опуская их прямо в его атмосферу. ... Туманность Пузырь крупным планом . ...

... ATCA at dusk . ... The Australia Telescope Compact Array (ATCA) outside of Narrabri, NSW, at dusk in October 2014. As shown here, the telescope is in a compact configuration with two antennas along the northern arm of the array. The antennas are shown in their stowed or rest position (pointing to the zenith), having just finished a round of observations and awaiting the next observer to take control of the telescope. | ... today * ATNF | ... ATCA | ...

To initiate orbital motion click on any of the icons in tool bar with red sign + or – , permitting also to speed or to slow planet motion by repeated clicking on them. ... Selecting Orbits item in menu bar and by subsequent choosing corresponding items in drop-down menu one can also fulfil the above actions. ... To enter new initial epoch or to change list of minor or major planets which are shown in the picture, select Orbits in menu bar and then select Input data in drop-down menu. ...

... Bad Astronomy . Misconceptions . ... I have a fun video on how to stand an egg on end on my blog at Discover Magazine . ... At the end of the show, one of the characters looks up the words "egg" and "equinox" on the web... and says it sent him to "thingsthatarewrong.com". ... Bad Astronomy : Only on the day of the Vernal (spring) Equinox, can you stand a raw egg on its end. Good astronomy : If you can stand a raw egg on end, it has nothing to do with the Equinox. ... 2008 Phil Plait. ...

Hothead her in the shadows where we stand watching lady, watching man reading the pictures as they roll we see the planet lose control hothead ! evolution nonstop evolution hothead ! evolution nonstop evolution ( hothead ) time , time will change the picture about time , time will change the picture how to change the points of view 'bout what is fake and what is true ...

XmTel uses the XPA interface for extensible connection to the operating system and scripting. ... Support for several commercial telescopes and controllers under Linux .. ... Software Bisque Paramount ME (requires RTS2 library) . ... In the current version of XmTel .. ... Offers command line and scripted operation using XPA . ... Version 7 includes the XPA server, telescope drivers, a client, utility software, and a standalone option that does not use XPA. ... Previous versions and support for INDI . ...

... Science User Portal . ... ESO, the European Southern Observatory . ... ESO's Governing Bodies . ... Travel and Contacts . Travel to ESO Headquarters . ... Travel to E-ELT Armazones . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... ESO Science Newsletter . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... Wide view centred on the CatтАЩs Paw Nebula (NGC 6334). ... Cat's Paw Nebula , Digitized Sky Survey 2 (DSS 2) , NGC 6334 . ...

... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

These pages collect together references to many pictures of the solar system that can be found on the Net. ... Since I originally compiled this list the number of relevant images has grown tremendously. ... http://www.jpl.nasa.gov/pictures/ . ... ftp://dftnic.gsfc.nasa.gov/images/gifs/ . ... http://www.jpl.nasa.gov/galileo/images.html . http://www.jpl.nasa.gov/magellan/images.html . ... http://nssdc.gsfc.nasa.gov/image/planetary/ . ... NASA Image Access Homepage (Planetary Photojournal) . ...

... Tonight's Sky . ... The Magazine . News . Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... lagrangian points . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

Images and text 2003 Paul Valleli . While up at Stellafane for pre-convention preparations, I spent some early morning times, experimenting with different videography setups on the 13" F/10 Schupmann at the McGregor Observatory. ... Mars was too bright and would have required neutral density filters. ... Next time, I will try 12mm and 9mm projections. ... I aquired about ten thousand frames by 3AM, at which time a breeze picked up and the seeing went to Hellas! ... 2003 Paul Valleli . ...

... Our hometown rag (the Boston Globe ) runs an occasional series of photo collections that highlight news stories called The Big Picture. ... I talked about this automatized computer vision problem without a training set and with no rules of learning, to a friend and the advice was ?don?t go further. ... to a computer program some images can be defined as boring and some as interesting, so there may be a way to be able to search for interesting data in the vast amount of images. 10-13-2008, 8:30 pm . ...

... This relieves the rest of the computer from knowing how to use the drive, since the controllers for different types of disks can be made to use the same interface towards the rest of the computer. ... Usually the number of sectors is the same for all tracks, but some hard disks put more sectors in outer tracks (all sectors are of the same physical size, so more of them fit in the longer outer tracks). ... For example, a hard disk might have 8 heads, 2048 tracks, and 35 sectors per track . ...

... Next: An IRAF-Independent Interface Up: Software Systems Previous: A New PROS . ... We present a high-level representation of the packages and tasks within IRAF/PROS. ... We have produced a high-level overview of PROS. ... The incremental stages were the short-term goals: a project overview diagram (i.e., an organizational diagram of software modules); high-level diagram (i.e., a bubble diagram of each module in the system); and unifying element tables (i.e., tables of task vs. software attributes)....

... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

... BOM2 and the basic block of solar limbograph including pointing and control systems ? ... Fine tracking platform (FTP) for Sun tracking by the sight axis of the limbograph; . ... Tracking system frequency ? ... Controller of the control system and solar fine tracking of the sight axis of the limbograph; . ... The basic relative construction of the elements and instrumental blocks of the "Astrometria" space experiment is shown on the block diagram of units within the complex of SL-200 solar...