... The first Hubble Space Telescope (HST) servicing mission, STS-61, was one of the most complicated shuttle missions ever planned. ... Astronaut F. A Quintet of Galaxies . ... Virgo Cluster Galaxies . ... Pictured are several galaxies of the Virgo Cluster, the closest cluster of galaxies to the Milky Way. ... Blue Jet Lightning . ... The prominent dust lane and halo of stars and globular clusters give this galaxy its name. ... Low density gas is shown as blue, and high density gas as red. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Earth Satellites . ... Sadly C/ 2014 Q2 will probably not be as spectacular a sight as Comet C/ 2011 W3 (Lovejoy), visible near Earth?s horizon in this nighttime image from the International Space Station on 22 December 2011. ... The comet made its closest approach to Earth on 7€а January 2015, at a distance of 72 million km (45 million miles).€а In January the comet will race though the constellations Eridanus, Taurus, Aries and Triangulum. ...

... 2014 December 13 . The Infrared Visible Andromeda . Image Credit: Subaru Telescope ( NAOJ ), Hubble Space Telescope . ... Explanation: This remarkable synthetic color composite image was assembled from archives of visible light and infrared astronomy image data. ... Andromeda's population of bright young blue stars lie along its sweeping spiral arms, with the telltale reddish glow of star forming regions traced in space- and ground-based visible light data . ... About APOD | ...

... HST . Activating Your Target of Opportunity Proposal . ... Phase I Proposing . ... Changing Programs & Resolving Problems . ... This report describes what an HST observer must do to activate a Target of Opportunity proposal and the steps taken by STScI after the request is received. ... The Principal Investigator (PI) or a designated alternate initiates activation of a Target of Opportunity (ToO) proposal by submitting an Activation Request available from the Program Information page. ...

... The highlight of the month is the total eclipse of the Moon during the night of December 20/21. ... Listed below are some of the key events, and the times they will occur, during December's total lunar eclipse. ... The eclipse is also visible in its entirety from Alaska (local time is UT тАУ 9 hours) and Hawaii (UT тАУ 10 hours), but be aware that most of the eclipse occurs on the 20th in these two regions. ... Penumbral Eclipse Begins . ... Partial Eclipse Begins . ... Total Eclipse Begins . ...

... January . February . March . April . ... November . December . ... April ((April Fools)) . ... April (Star Party Reports) . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... ISS-22 IMAGE . ... EXPEDITION ISS-22 . ... December 21, 2009. A manned spacecraft Soyuz LV take-off. ... A rollout of the Soyuz spacecraft from the assembly-test facility to the launch site. ... The basic integration of the Soyuz-FG launch vehicle with the upper composite. ... The primary and backup crews final training phase in the processing facility and a meeting of the Technical management. ... Soyuz TMA-17 crews arrival to the Baikonur launch site. ... Training sessions under ISS-22 program. ...

... Events . ... The orbit of the Moon is too small to be seen on this scale, but the 2008 December 1st alignment was especially interesting because additionally Venus was occulted by the Moon (this occultation was visible from Europe and NW Africa). Some more photos of the 1 December events received from Jonathan Bingham . ... Venus coming out from behind the Moon; photograph by Jonathan Bingham . ISS; photograph by Jonathan Bingham . ... International Year of Astronomy, Ireland National Node . ...

... ULTRACAM ­ 3 CCDs, simultaneous RGB ­ Very high time resolution several Hz (can be 10Hz) ­ Small field of view (best time resolution requires 2 windows ­ nucleus + ref star ­ 10-15 each). 3.6-m Galileo National Telescope · NICS ­ 0.9-2.5 micron spectrograph ­ R= 50-2500 ­ 4'.2 field of view · SARG ­ 370-900nm highresolution spectrograph ­ R= 29000-164000 ­ Long slit (30 ) ­ Polarimetry available 2.56-m Nordic Optical ... May be available during telescope commissioning phase. ...

... 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 . ...

Discover the cosmos! ... December 6, 1999 . M83: The Southern Pinwheel Galaxy from VLT . ... Explanation: M83 is one of the closest and brightest spiral galaxies on the sky. Visible with binoculars in the constellation of Hydra , majestic spiral arms have prompted its nickname as the Southern Pinwheel. Although discovered 250 years ago, only in this century was it appreciated that M83 was not a gas cloud but a barred spiral galaxy much like our own Milky Way Galaxy . ... About APOD > . ...

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 . ...

NCA response to NCRIS Page 1 of 2 9 December 2006 NCA response to Exposure Draft of NCRIS Strategic Roadmap The National infrastructure Roadmap. It informed the Committee for Astronomy (NCA) welcomes the support for the astronomy identified by the NCRIS committee in the Exposure Draft of the Strategic is pleased to note the extent to which the Astronomy Decadal Plan has NCRIS committee in their deliberations. ... Section 7) as one of three high-priority `Landmark' facilities1. ...

ChangeLog for rgsrmfgen =============================== Version 1.5.3 - 2004-03-15 (CG) ------------- + parameter name update in docu (ebins rows) Version 1.5.2 - 2004-02-06 (CG) ------------- + bogus with executable permission Version 1.5.1 - 2004-02-05 (CG) ------------- + bug introduced in 1.5 (calib.cc - small angle scattering) fixed Version 1.5 - 2003-06-27 (CG) ----------- + replacement from 1.4 now correct Conversion of prf interface in progress; task does nothing as yet. ...

Last modified on: December 12th, 1999 . 4.1. Supported, Required, and Recommended Hardware . 4.2. Required Software . 10.1. Dynamic IP Considerations .

... Radio Astronomy . ... ASRAS Board Members . ... To see the most up to date news and events happening with ASRAS log in with your user name and password and then click on the Activities page. ... Messier Marathon (Member Observing) CANCELLED Saturday, April 9, 2016 9:00 PM Location:Farash Center Ionia NY . ... ASRAS Members meeting - Friday May 6 at Farash Center - Ionia NY . ... ASRAS Board members meeting - monday May 9 @ Farash Center Monday, May 9, 2016 7:00 PM Location:Farash Center Ionia NY . ...

... FIELD | ... METHOD . ... static int . ... Set this flag to have the ImageProcessor that is passed to the run() method converted to a FloatProcessor. static int . ... Set this flag if the filter wants its run() method to be called for all the slices in a stack. static int . ... Set this flag if the filter does not want its run method called. static int . ... Set this flag if the setup method of the filter should be called again after the calls to the run(ip) have finished. static int . ...

... Observatory data . ... Required stellar data . ... Comment column . ... UT date --- column label: DATE . MJD --- column label: MJD_OBS . ... Column label: TELESCOP . Column label: DIAM . Column label: LON . Column label: LAT . Column label: HEIGHT . ... Descriptor for the ``horizon'' table . ... Instrument configuration and run-specific information . Storage format . ... Column DET . ... Sample instrument files . ... CCD photometry . ... Required observational data . ...

T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... An artificial comet holds secrets to Earths life . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Here comes comet Catalina . Comet Catalina is now visible through binoculars in the Northern Hemisphere, and it should be visible with the naked eye in the coming months. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...