... Changed time to 08:00-14:00 (AT, HO, MP, SH, HH) V125a Nov 01 Cancel 3C380 (VLBA, GO) VS07u Nov 03 Changed observing times (KA, HO, HH) V053c3 Nov 05 Changed observing times (VLBA) VS09q Nov 20 Cancel (GB, AR) V019b Nov 25 Changed observing times (AT, HH, MP, UD) V001a Dec 02 Removed AT VS03j Dec 03 Cancel (KA, MP, UD) V029a Dec 10 Changed times (MK, TI, AT, HH, MP) V035a1 Dec 21 Changed stop time (VLBA, GO, RO) Modified on Sep 26: Most changes are related to VSOP survey source additions. ...

... The accuracy of calculation of both INTERBALL spacecraft (SC) motion has been estimated at the IKI. ... The 30 days measuring intervals were used during the Tail probe (TP) orbital data treatment, and 15 days intervals - during the Auroral probe (AP) orbit determination. ... http://www.iki.rssi.ru/vprokhor/indap.htm for the Auroral probe; . http://www.iki.rssi.ru/vprokhor/indtp.htm for the Tail probe . ... http://www.iki.rssi.ru/vprokhor/ssc.htm , or http://www.iki.rssi.ru/vprokhor/amisan.htm . ...

... Version 1.11.3 - 26-02-2002 (CB) - Modified not to crash if there are no sources in the source-list file, but instead to issue a warning (SPR 2786) Version 1.11.3 - 26-02-2002 (CB) - Modified not to crash if there are no sources in the source-list file, but instead to issue a warning (SPR 2786) Version 1.11.2 - 26-02-2002 (CB) - Reverted back to previous code for drawing regions to fix fix SPR 2786 - region drawing to be looked at in the future. ... SPR 587 closed: PGPLOT window params changed. ...

... 18sep08: bias for 3a/3b changed. Look at p2030 data (polA,polB summed) . 21sep08: bias for all beams changed. ... The wapps in 3 level mode take 100 MHz bw with 64usec sampling and 256 lags. alfa is centred at 1440 Mhz with the 100 Mhz 1390-1490 filter int. The total power was computed and then averaged to .1 seconds. ... Beam 6b is dead and p2030 is adding polA + polB. ... The a2010 data taken on 21sep08 was analyzed to check the stability of all the beams after the bias changes in alfa. ...

... I fixed the bugs that caused the map_point changes to fail tests. Then I removed the no longer needed dimensional variables from the p structure and got those changes to pass all the tests. ... I put the code under subversion control in a new branch called refactor. ... The code change which processes each drizzle kernel over an entire image rather than a line at a time now passes the unit tests and was checked in. ... I got the keywords argument changes done and got the tests to pass. ...

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

... Feeding the Monster: Gas Caught in its Death Spiral into a Massive Black Hole . ... Stromlo Professor Mike Dopita have used the Hubble Space Telescope to discover how a massive Black Hole in a nearby galaxy feeds itself. ... Earlier Hubble Telescope data obtained by another team member, Professor Holland Ford of Johns Hopkins University in Baltimore, Maryland, had found a disk of gas rushing around the Black Hole at a speed of 500 kilometers a second. ...

... Too Close to a Black Hole . ... Credit Copyright: Alain Riazuelo Explanation: What would you see if you went right up to a black hole? ... The black hole has such strong gravity that light is noticeably bent towards it - causing some very unusual visual distortions . ... Near the black hole , you can see the whole sky - light from every direction is bent around and comes back to you. ... Publications with keywords: black hole - gravitational lens . ... Galaxy Cluster Abell 1689 Deflects Light . ...

Next: The Quasi--Newton Method. Up: Outline of the Previous: The Newton--Raphson Method. ... At each iteration, one computes . ... Neglecting the second derivatives matrix , we obtain the ``normal equations'' and the Gauss--Newton direction . This so--called Gauss--Newton method is intended for problems where is small. ... The algorithm implemented here is a modification of that Gauss--Newton method, that allows convergence even for rank deficient Jacobians or for large residuals. ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Low cost beginner eyepieces. Send SASE for price list. ... Listed Since October 26, 2004 . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... From the chain visibility point of view, it is very recommended to look at the Javascript movies , especially if the frame rate can be not regulated in your MPEG player. ... The non-CH-associated large-scale chains visible on the SOHO/EIT images at three wavelengths of 171, 195 and 284 as well as on the MLSO/HAO He I 10830 spectroheliogram of December 16, 1997. ... The SOHO/EIT movies at 171 and 195 show the chain dynamics on June 1-3, 1998. ... Javascript movie (230 KB), SOHO/EIT, 171 . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2014 October 26 . Too Close to a Black Hole . ... Explanation: What would you see if you went right up to a black hole? ... The black hole has such strong gravity that light is noticeably bent towards it - causing some very unusual visual distortions . ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

Main Sections LabIR main page . ... On January 23, 1998 the space probe NEAR was on its way to its closest approach to Earth. ... However, we were able to record a series of images of the space probe shortly before the sunglint event, and we have assembled them into a movie. At the TIRGO observatory, an observation of the space probe NEAR was organized for the night of January 22-23, 1998. ... We show here a preliminary movie (MPEG format, 412kb) made from 74 frames, each lasting 5 seconds. ...

Procedure to Emergency Close the 2.5-meter Telescope . ... The proper method for stowing the telescope in the event of a loss of telescope control if site power remains available. ... Throw the WS control box power switch "close" (up) . ... Change the WS manual pendent connector in WS control box to ALT Axis Brundy, make sure the "pot" is at "000" and the palm switch is depressed . ... Bring alt to 6њ and slowly approach and set 'pot' to "000" and, depressing the palm switch, on alt brake . ...

This is a new popup window - close it when you are done . ... 1st image with new camera, canon 450d which was modified for use in astrophotography. Scope wo 80mmfd mount cge my original camera now in the shop for shutter repair, unguided 33x180sec calibrated with deep sky stacker and post processed in Photoshop cs3 captured the evening of November 11th 2010 from the overly lit skies above my observatory 42.36.01n 71.17.53w . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... The IRAF environment provides three coordinates systems: . physical: image pixel coordinates used in the reference (original) image. logical: image pixel coordinates, relative to the current section and size of the image. ... 22:13:53.7 44:28:53.9 - the usual representation of RA, Dec . ... Logical, physical and world coordinate systems are all supported in the PROS software, and regions can be specified with any combination of them. ... c 22:13:53.7 44:28:53.9 8 . ... physical: 6930 9390 240 . ...

. Other Relevant Plots . A putative but unlikely wide separation gravitational lens . | Front page | . | << - Work currently underway | Radio follow-up - >> | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .

MAIN CHARACTERISTICS BASIC MODIFICATIONS TEST RESULTS . ... integrated drop tests in order to verify the strength of DM modified shell and equipment attachment points, functional check of new chairs and DM structure, determination of shock impacts onto the crew to verify landing safety; . ... nominal landing with the main parachute system (MPS) - drop #1 took place on December 24, 1998; . ... reduction of shock g-loads values at landing in accordance with decrease of landing speeds. MAIN | ...

... See also changes and comments in configure.in # prefix = @prefix@ exec_prefix = @exec_prefix@ DESTDIR = CFITSIO_LIB = ${DESTDIR}@libdir@ CFITSIO_INCLUDE = ${DESTDIR}@includedir@ INSTALL_DIRS = @INSTALL_ROOT@ ${CFITSIO_INCLUDE} ${ CFITSIO_LIB } ${ CFITSIO_LIB }/pkgconfig SHELL = / bin /sh RANLIB = @RANLIB@ CC = @CC@ CFLAGS = @ CFLAGS @ SSE_FLAGS = @SSE_FLAGS@ FC = @FC@ LDFLAGS = $( CFLAGS ) DEFS = @ DEFS @ LIBS = @ ...

... Yes, Sir." We've got a situation. ... Description : 3 fairly large levels for Doom II (tested on 1.666) following the style of the original Doom II levels. ... Play Information * Doom Version : Doom II ( tested on ver 1.666) Episode and Level # : E1M1, E1M2, E1M3 Single Player : YES Cooperative 2-4 Player : YES (slightly tested ) Deathmatch 2-4 Player : YES (not tested ) Difficulty Settings : YES (same bad guys but less health ammo) New Sounds : No New Graphics : ...