... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 February 12 . Stereo Saturn . ... Explanation: Get out your red/blue glasses and launch yourself into this stereo picture of Saturn! The picture is actually composed from two images recorded weeks apart by the Voyager 2 spacecraft during its visit to the Saturnian System in August of 1981. ... About APOD | ... NASA Technical Rep.: ...

Astronomy Picture of the Day . The Sea of Tranquillity: 5 Seconds To Impact . ... Credit Copyright: NASA Explanation: On February 20th, 1965, the Ranger 8 spacecraft crashed into the Moon . Rapidly transmitting a series of pictures to ground controllers, its camera recorded this one at an altitude of about 11 kilometers, 5 seconds before impacting the lunar surface. ... NASA Official: Jay Norris. ... Publications with keywords: impact - Ranger program - spacecraft - Ranger 8 - Moon . ...

... January 29, 1998 . The Earth-Moon System . Credit: NEAR Spacecraft Team , JHUAPL , NASA . Explanation: This evocative mosaic image of the Earth-Moon system was recorded by NASA's Near Earth Asteroid Rendezvous (NEAR) spacecraft earlier this month. ... During this recent flyby of the Earth-Moon system , the NEAR spacecraft used Earth's gravity to deflect it towards its ultimate destination, the Asteroid 433 Eros. It is scheduled to arrive at Eros in January 1999. ... About APOD > . ...

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) . ...

... Alliance-3.0 (EDA/VLSI design tools) (by Christoph Jaeschke , probably requires LessTif ) . ... 01oct98) Nedit 5.0.2 editor , (by Alexander Mai , see also version 5.01 , by Greg Kondrasuk , requires LessTif ) . ... 28jan98) XMGR plotting software (by Alexander Mai ) . ... 28jan98) Nedit 5.01 (by Alexander Mai , requires LessTif ) . ... 07apr98) XDIR 2.1 , File mgr and ftp (by Alexander Mai , requires LessTif ) . 28jan98) XFTP 2.1 (by Alexander Mai , requires LessTif ) . ...

... 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)....

... ATNF Colloquium . MWA progress towards SKA_LOW . by Carole Jackson (ICRAR, Curtin University) . ... Work by the "Low-Frequency Aperture Array" (LFAA) R Consortium for the future SKA telescope is concentrated on the set of antennas, on board amplifiers and local processing required for the Aperture Array telescope of the SKA. ... It is an aperture array consisting of over a quarter of a million wide bandwidth antennas of a single design. ... today * ATNF | ...

... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

... ISS Commander . ... Cosmonaut Training Center, Russia . ... From May 1994 to February 1995 he passed training as the 3-rd (backup) crew commander under PC-18 program on the Mir Station. From February to May 1995 he passed training as the backup crew commander under PC-19 program on the Mir Station. ... In June 1995 - January 1996 be passed training as the prime crew commander of the Soyuz TM-23 spacecraft for flight under PC-21/NASA-2 program on the Mir Station together with Yu.Usachev and Sh. ...

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 . ...

... It is not always easy to identify ``the'' time of an observation. Some instruments record the time at which the observation began; some record the end of the measurement, or even the time at which the readout was recorded; very few record the middle of the exposure. The ESO Archive records the starting time of the observation, recorded in a FITS-header keyword named MJD-OBS . ... In any case we would need this information for weighting purposes. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . Planets . ... Monthly Sky Notes . ... February . ... The ringed planet will be quite bright, but unlike Jupiter it will not be the brightest point of light in the sky, this accolade will return to Sirius which is the brightest star in our night sky in the constellation of Canis Major. ... Seven days later on February 18, the Moon will be in its full Moon phase. ... Tweets that mention Wonders of the February Night Sky | ... Astronotes . ...

... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

... The fundamental internal FOS time interval is an FOS clock tick of 7.8125 ?sec duration, which is equal to 8 ticks of the HST 1.024 MHz clock. ... The engineering telemetry did record the so-called LINESTART time; that is, the precise time when the SDF told the FOS to commence sending data from the FOS memory to the SDF. ... FOS engineering telemetry, available only at STScI, provides all timing information at accuracy of FOS clock (7.8125 ?sec). ...

Turning the Camera Skyward . A reconfigured camera can take wide-field exposures of astronomical objects (constellations, the Milky Way, zodiacal light, moving artificial satellites, meteor showers, variable stars, etc.) to reveal much fainter objects and structures than seen by naked eye. ... This picture reveals objects more than 2.5 times fainter than can be seen by the naked eye, including not only stars but also the Orion nebula (M42), where new stars are being born. ...

... 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. ...

. Heating the test sample. The Magnahelix and computer for recording temperature are in the background.

... Galileo image of Ida asteroid 114k gif ; 41k jpg . ... Large false color image of asteroid 951 Gaspra 172k gif ; 33k jpg . ... Montage of 11 images taken by Galileo spacecraft of 951 Gaspra 75k gif 75k jpg . ... True Enhanced Color images 140k gif ; 18k jpg ; 596k tiff . ... HST images of 4 Vesta (rotation series) 25k jpg ; 216k gif ; caption . ... Comet Shoemaker-Levy imaged by Hubble/WFPC 145k gif . ... AAT image of Comet Halley (color) 40k gif . ... CCD image of comet Mueller 93a 96k gif . ...

Official Arecibo picture site . Below are some pictures of the place where I work. ... Picture of the platform, taken by my dad. It doesn't look that big!", he says. Well, we'll see. My dad, in front of the primary. ... You can see how holey the surface really is. ... We see the line feed on the left and part of the Gregorian dome on the right. See from inside, the platform is quite complex. ... Looking down on the Gregorian dome! ... Below: Pictures of my new Office! ...

1950: Jan 30--Feb 3: Lows were 0,-3,5,-2,-3 . 1962: Jan 20--23: Lows were 12,13,6,8 . 1962: Feb 24--27: Lows were 25,23,18,19 . 1974: Jan 7--9: Lows were 11,12,10 . 1989: Feb 4--8: Lows were 7,4,8,7,8 . Record cold for January: -4 on January 27, 1957 . Record cold for February: -3 on February 3, 1950 . 1935: Jan 24--26: Highs were 65,64,64 . 1968: Feb 27-29: Highs were 68,68,71 . 1969: Jan 4--6: Highs were 63,62,62 . ... To the Weather Page . ...