As announced by the IAU Central Bureau for Astronomical Telegrams in Circular No. 9004 on 11 December 2008, Bulletin C36 of the International Earth Rotation and Reference Systems Service announced that a positive leap second will be added on 1 January 2009. ... Bulletin C is mailed every six months, either to announce a time step in UTC or to confirm that there will be no time step at the next possible date. Daniel GAMBIS Head Earth Orientation Center of IERS Observatoire de Paris, France ...

... After the 2nd World War, the Executive Committee of the International Astronomical Union (IAU) made two groups in Moscow responsible for catalogues of variable stars. ... Presently, the variable-star catalogue groups still exist within the Sternberg Astronomical Institute and the Institute of Astronomy of Russian Academy of Sciences . ... Elena Kazarovets (variable stars in open clusters, Peremennye Zvezdy journal, GCVS) . ... Nataliya N. Kireeva (variable stars, globular clusters, GCVS) . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Solar System . ... Space Flight . ... Concept Spacecraft . ... NASAтАЩs management hopes the Orion crew module will serve as both transport and a home to a crew of four or more astronauts during future long-duration missions to asteroids, Mars and other destinations throughout the Solar System. ... A space-going Orion will be fitted to a service module derived from EuropeтАЩs successful Automated Transfer Vehicles (ATV). ...

The SciSim SPR search service helps you to find Software problem reports in the SciSim SPR database. You tell the search service what you are looking for by typing in a pattern for the SPR Id's and one or more regular expressions for the fields within an SPR. ... If a field in the search form is omitted, the search service will assume that you are looking for any match for that particular field. ... An SPR consists of fields that contain information. ... Date% le '1999-04-01' and . ... Field . ...

... What's New? Bad Astronomy . ... News . ... Bulletin Board . ... Bitesize Astronomy . ... Bad Astro Store . ... On board are seven astronauts that will perform the second Hubble Space Telescope (HST) servicing mission. ... Also on board Discovery is a new data recorder, which will allow much more data to be taken at the same time on HST, as well as a new Fine Guidance Sensor, which helps the telescope track on its targets. ... 2008 Phil Plait. ... Talk about Bad Astronomy on the BA Bulletin Board! ...

... This information is used by rochesterastronomy for the operation of the service, to maintain quality of the service, and to provide general statistics regarding use of the rochesterastronomy Web site. ... The rochesterastronomy Web site use "cookies" to help you personalize your online experience. ... For example, if you personalize rochesterastronomy pages, or register with rochesterastronomy site or services, a cookie helps rochesterastronomy to recall your specific information on subsequent...

... 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. ...

. Servicing Data Acquisition Tape Drive; Part 1: February 23, 2000 . In this 3-part series, Ellyne Kinney demonstrates servicing data acquisition tape drives. More detailed information will be published by the observers. Part I reviews removal of the tape drive. Tight quarters! . Links to Part 2 and Part 3 . Thank you to the anonymous photographer.

... Chilingarian, I., Melchior, A.-L., Zolotukhin, I. 2010: Analytical approximations of K -corrections in optical and near-infrared bands , accepted to MNRAS (arXiv:1002.2360) . ... K-Corrections in the optical and near-infrared , Analytical approximations of K-corrections in optical and near-infrared bands , photometric properties of galaxies , K-corrections approximation redshift and one observed colour , transform observed spectral energy distributions (SED) , software to estimate K-corrections , ...

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Weather . Please Report any broken links or additions to: webmaster@wro.org . Global Hydrology and Climate Center . ... METEOSAT Weather Satellite Images from the University of Nottingham . ... Snap Weather Center . U.S. National Weather Service . NWS Internet Weather Source . Yahoo Weather . Global Weather Forcast . ... The Weather Lab . Washington Post weather in the world . ... NOAA - National Weather Service Home Page . CNN's Weather . ... The Weather Channel . ...

... ViewVC: svn web browse . User access: svn+ssh://curl.sai.msu.ru/srv/svn/repos . Anonymous access: svn://curl.sai.msu.ru/ . ... User access: ssh://curl.sai.msu.ru//srv/hg/repos . Anonymous access: http://curl.sai.msu.ru/hg . ViewVC: cvs web browse . export CVS_RSH=ssh . export CVSROOT=curl.sai.msu.ru:/srv/cvs/cvsroot . Anonymous access: cvs -d :pserver:anonymous@curl.sai.msu.ru:/srv/cvs/cvsroot . ... User access: osc -A http://curl.sai.msu.ru:9000 ...

We are very interested to receive your opinion, proposals and criticism concerning services provided by WDC-B as well as the whole WDC System. ... E-mail address: . Select and mark a level of your knowledge of the WDC System and experience in usage its services: . I know nothing of WDC System and never used it . I know of WDC System but never used it . I know of WDC System and used it a few times . I use WDC System on regular basis . ...