Astronomy Picture of the Day . A Colorful Aurora . ... 1.09.1998 . ... Credit: Stephen Barnes , Sky Optics Explanation: A solar storm overtook the Earth on August 26th. ... Solar particles that strike oxygen high in Earth's atmosphere cause rare, red auroras , while oxygen lower to the ground will glow a more familiar green. ... Publications with keywords: aurora - Earth - atmosphere . Publications with words: aurora - Earth - atmosphere . ... Earth at Twilight . ... Aurora in the Distance . ...

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• XWare > APOD
• Астронет > A Colorful Aurora
• Journal "Peremennye Zvezdy"

... 2002 September 2 . Colorful Light Pillars . ... In most places on Earth, a lucky viewer can see a Sun-pillar , a column of light appearing to extend up from the Sun caused by flat fluttering ice-crystals reflecting sunlight from the upper atmosphere. ... These ice crystals may then reflect ground lights in columns not unlike a Sun-pillar . In the above picture, the colorful lights causing the light pillars surround a ice-skating rink in Fairbanks, Alaska . ... About APOD | ...

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• APOD: April 13, 1998 - The Sun Changes
• APOD: 2011 September 5 - HH 47: A Young Star Jet Expands
• APOD: 2006 September 3 - Pluto in True Color

... HST . Reporting Problems with and Requesting Changes to Approved HST Programs . ... Data . ... Annual Reports . ... HST Peer Review Process . ... HST Overview . Overview . ... Cycle 24 Announcement . ... Changing Programs & Resolving Problems . ... Reporting Problems . Retrieving HST Data . ... Program Change Requests . ... Hubble Observation Problem Reports . Proceed to the Program Information Page for the program in question, and use the appropriate links on that page. ...

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• WF/PC-1 Instrument Science Reports
• Archive for February
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... A2130 (galfacts) reported strong rfi (lots of overflows from the mock spectrometer) on the evening of 02nov11. The punta salinas frequency agile radar was running in all frequencies until about 20:00 ast (it then changed to mode A 4 frequency mode). ... The variation in counts by session may be the beating of when the dome was at certain za's vs when the radar pointed at the observatory. punta salinas radar ran in all frequencies for the first part (till 20:00 ast) of the a2130 run on 02nov11. ...

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• bm1b instabilities apr11
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... Tonight's Sky . ... Sky this Month . ... Star Atlas . ... stars . ... The Sky This Week: April 1 - 10 . ... Observing springtime deep-sky objects with a large telescope . ... Why do some stars appear to flash a variety of different colors when you look at them through a telescope? ... So, Earthт??s atmosphere will bend some colors from especially bright stars more so than others, which makes the source look like itт??s flashing colors. Get instant access to subscriber content on Astronomy.com! ...

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• What can astronomers tell us about the different colors on the surface of
• September 2012 | Astronomy.com
• September 2003 | Astronomy.com

... September 5, 1998 . The Pulsar Powered Crab . Credit: J. Hester and P. Scowen ( ASU ), NASA . ... Using a stunning series of visible light images taken with the Hubble Space Telescope (HST) , astronomers have discovered spectacular pulsar powered motions within the Crab nebula. Highlights of this HST Crab "movie" show wisps of material moving away from the pulsar at half the speed of light, a scintillating halo, and an intense knot of emission dancing, sprite-like, above the pulsar's pole. ...

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• New Moons of Uranus
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• APOD: 2000 June 21 - Solstice Celebration

... DFS Department Problem Reporting rules and recommendations . ALL change requests, bugs or support request on operational releases (i.e. releases already installed and running on the mountain) must be reported via the DFS Problem Reporting tools , based on the Action Remedy system. ... in case of bug, change request or support need directly reported to you via mail or phone call by s DFS user (Paranal, La Silla, DFO, ...), please, check whether an Action Remedy Problem Report is already open. ...

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• Help for Night Report / Progress Pages
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Changes SciSim v2.0.3 . SciSim v2.0.3 is a bug fix release of SciSim and contains only minor changes compared to v2.0.2. The input (configuration & data) files, as well as the ODF products are compatible with previous versions. ... EDUID is currently coupled to ccd id. ... Iterpretation of Quadrant and CCD numbering has changed (see also the ESIM documentation in the SciSim User Guide). ... The following README files specify the changes in the data-files and in the configuration file: . ...

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• SciSim Release Track
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... Radio Catalog . The corrections in NVSS fluxes leading to the corrected Version 1.1 also result in changes to some of the figures and tables in Kimball Ivezi? ... The results are qualitatively the same. ... The new versions of the figures, along with the original versions (in high resolution), are available here . ... These figures, along with Table 4, continue to motivate t = 0.35 as the optimal separator between "simple" and "complex" sources). ... Complex Sources . ... t NVSS . ... galaxy . ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Armagh Observatory reports that, if skies are clear on the night of 27/28 September, skywatchers will witness a rare total eclipse of the Moon during the early hours of Monday 28th. ... As the eclipse progresses from penumbral to partial phase, and then towards totality, it is interesting to observe how the dark shadow of the Earth slowly encroaches on the Full Moon until the Moon is nearly completely obscured. ...

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• Abstract 218
• Terry Mosely's Bulletins
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The 2.6 kernel contains a long list of changes which affect device driver writers. As part of the task of porting the Linux Device Drivers sample code to 2.6, your humble LWN Kernel Page author is producing a set of articles describing the changes which must be made. ... November 25, 2003) The entire set of articles has been updated to reflect the 2.6.0-test10 kernel. ... Timekeeping changes (November, 2003; 2.6.0-test9); changes to how the kernel manages time and time-related events. ...

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• LWN: Driver porting: miscellaneous changes
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• [NEdit] FAQ: Diagnosing and reporting problems

. You can check for and then change your current directory on the local host using the lcd command. For example: ftp> lcd Local directory now /u/user/eucs/eucs99 ftp> lcd REPORTS Local directory now /u/user/eucs/eucs99/REPORTS . Here, you have changed to your current directory and then moved to the subdirectory REPORTS .

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• Changing directories on the remote host
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OptInt PmWiki . ... Doc Man . ... Page History | ... MROI Delay Line Design Contract . ... Systems Engineering Docs . ... MROI FTT Contract Private Material . ... PmWiki . ... PmWiki FAQ . ... pmwiki.org . ... Return to Doc Man ( Edit ) . ... Added lines 115-117: . ... Added line 123: . ... Restore . ... Added line 100: . ... MRO-COR-CAM-0000-0155 October/November 2013 . ... MRO-COR-CAM-0000-0152 December 2012/January 2013 . ... MRO-COR-CAM-0000-0152 December 2012 & January/February 2013 . ... MAN . ...

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• OptInt PmWiki : Conceptual Design Review | History
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... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... It's semi-common knowledge that stars twinkle and planets don't. By semi-common, I mean that a lot of folks know that, but I also mean it isn't strictly true. Stars twinkle because we see them from the bottom of a sea of air. ... These small bundles of air act like little lenses, bending light as it passes through them. ... What we see is the light from the star flickering. ...

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• Phil Plait's Bad Astronomy: Misconceptions
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NOTE: The storm sudden commencement data file was updated on 18 Feb 1998. o Revised data for 1968-1975 were taken from IAGA Bulletin No. ... Indices aa and storm sudden commencements"; see also IAGA Bulletin 39: " Supplementary Geomagnetic Data 1957-1975", including a new list of ssc's 1968-1975). ... From the monthly reports of Rapid Variations prepared by 43 magnetic observatories (see list page 121), a combined list of all events is compiled. ...

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• http://www.wdcb.ru/stp/data/sudden.com/ssc.txt

Supernova 2005az in NGC 4961 . This page is devoted to information on Supernova 2005az in NGC 4961 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. ... In some catalogs NGC 4960 (the originally reported host galaxy) is not the same object as NGC 4961 . ... SNWeb has a 2005az page . ... 2005/03/28.21 . ...

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• Supernova 2005bf in MCG +00-27-5
• Supernovae 2010jl in UGC 5189A
• Supernovae 2016adj in NGC 5128

... An error involving a missing tasks parameter indicates that the parameter file may have changed between the last time the task was used and the current version. ... If still in trouble, delete the parameter file in `myiraf/uparm' corresponding to the task (the names are somewhat contrived, but with a bit of imagination it is not too difficult to identify the right one). ... The imcnts task and region masks . ... A region descriptor of the kind: . CIRCLE(403, 403, 22.5) . ... See `help regions'.) ...

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• A matrix of tweets from #AAS223
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• The AstroStat Slog Blog Archive [ArXiv] Correlation Studies, June 12, 2007

Yesterday I got a fragment (first 12 disks of 43 total) of Merlin beta 9.014 (string appeared in kernel and drivers; cmd.exe reports 9.012). ... Those 12 disks appeared to be sufficient to pass 1st phase of installation and run Merlin off Maintenance Desktop. ... 1) HPFS 2MB cache limit is still there. ... InfoPM shows about the same graphics performance as on Warp 3.0 (slightly worse on some operations). ... Looks like at least keyboard layout will be easily customizable in Merlin. ...

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• XFree86/OS2 project
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An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE CHANGING UNIVERSE: EVOLUTION HAPPENS! . b) Changes in Stars . One of the great discoveries of modern science is that stars (like people) live only a measurable life-time and then die. Although the lives of the stars are enormously longer than the span of a human life, we can learn about the life story of the stars by studying them at many different stages in their life cycle, from birth to death. ...

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• ASP: Indiana Jones and the Astronomers of Yore
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... Class . ... PREV CLASS NEXT CLASS . FRAMES NO FRAMES All Classes . ... FIELD | ... METHOD . DETAIL: FIELD | ... public interface IJEventListener . ... Field Summary . static int . ... Field Detail static final int FOREGROUND_COLOR_CHANGED . ... Constant Field Values . static final int BACKGROUND_COLOR_CHANGED . ... static final int COLOR_PICKER_CLOSED . ... static final int LOG_WINDOW_CLOSED . ... static final int TOOL_CHANGED . ... Method Detail void eventOccurred (int eventID) . ...

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• ij (ImageJ API)