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" . ...

. January 18, 2000___ SOHO/EIT, 195 (modified) . Frame: Speed: (frames/sec) . Range Start: Range Stop:

... 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. ...

... select data groups menu . activate fields (radio buttons) to qualify the query . ... select menu option to record query selections, enter a unique report option name and save option . ... select Visit Data menu from data groups menu . ... select LRP menu from data groups menu . activate LRP name "query" radio button and select LRP 02035A from automatically activated dropdown menu . ... select LRP menu from data groups menu and select LRP 02036A from automatically activated dropdown menu . ...

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. ...

XMM-Newton Science Analysis System . ... CORR_RATE - The count rate after the following corrections have been applied; . 1) A further point-spread function correction may be applied, to extrapolate the counts from 12 to 35 pixels (presently only done for UV observations) 2) Correction for dead-time. 3) Correction for the OM sensitivity-degradation. A key-word TDS_CORR is added to the table to record the correction value. ... XMM-Newton SOC/SSC -- 2007-07-09 ...

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 | ...

... March 25, 2006: Version 3.0.0 New control panel with an observing queue and a log Pointing to apparent position including proper motion precession and nutation to epoch of ... declination axis to polar axis non-orthogonality optical axis skew altitude- and azimuth-dependent mechanical effects encoder reference Control of telescope hardware August 20, 2006 Version 3.0.4 Modifications from Dan Azari adding features suported by the RC Optical Systems ...

... Sun images . ... Active areas . October : 2011 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . ... Group length (in degrees) . ... Beta . ... Coordinates and other characteristics of active regions are issued for October 05, 2011 00:31 UT The following H-alpha plages without spots can be currently observed on the Sun's surface . ... Coordinates and other characteristics of active regions are issued for October 05, 2011 00:31 UT . ...

... Procedure . ... Wind Baffle Pendant Control, located in the 2.5m enclosure. Spreader Bar for wind baffle counterweights, located behind the Machine shop. ... Wind baffle frame tied to eyebolt in floor. ... Move the inner white wind baffle counterweight from the temporary mounting blocks at the front of the wind baffle frame to the standard location at the back. ... Rig the secondary truss to the overhead crane using a large shackle and 4 long nylon straps (load capacity of 1000 Lb. each). ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 October 12 . HETE-2 Rides Pegasus . Credit: Courtesy MIT , NASA . ... Dropped from its mother ship, the Pegasus then successfully flew HETE-2 into orbit. HETE-2's mission is to hunt gamma-ray bursts, brief, random flashes of high energy photons from the distant cosmos. ... About APOD | ... NASA Technical Rep.: ...

... 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. ...

. "Boundaries in collisionless plasma" Dear Colleagues, . Please find selected by IKI time intervals (UT) proposed for bounary layer study at October 2000. Region designations | Region models | Criteria of selection | Plot description | ASCII files description | . Victoria Prokhorenko . vprokhor@iki.rssi.ru . Modified 1 September 2000 . Sergei Savin . ssavin@iki.rssi.ru 

Ranger to the Moon (1964 - 1965) . ... The Ranger spacecraft were designed to fly straight down towards the Moon and send images back until the moment of impact. Ranger 7 impacted in mare terrain modified by crater rays. Ranger 8 also impacted in mare terrain, but this area contained a complex system of ridges. ... Each Ranger spacecraft had 6 cameras on board. ... Launched: 28 July 1964 . ... Ranger 4 was launched on April 23, 1962, and became the first US spacecraft to impact on the moon. ...

Four spacecraft: INTERBALL Tail probe (IB_TAIL), CLUSTER II (ESA/NASA), POLAR(NASA/ISAS), GEOTAIL (NASA) are considered. ... four spacecraft . ... INTERBALL . ... IB_TAIL) . ... NASA) . GEOTAIL . NASA, ISAS) . The four spacecraft . ... Modified 28 August 2000 . ... INTERBALL mission | ...

. Please standby and you will be automatically connected to the new location of the unframed Supernova page. Or, click on the link above. If you have questions or problems, please email me at David Bishop dbishop@vhdl.org . Last modified: Mon Aug 27 12:40:15 EDT 2001

... Solar System Web Cam . 14.07.2001 . ... They were taken with an 8 inch diameter telescope, a size popular with amateur astronomy buffs, and slightly modified "web cam" of the type widely used to send images out over the internet. Welcome to the Moon Hotel . ... A Total Eclipse Over Africa . ... Air Pollution Earth . ... Starting at the upper left, this sequence of images follows the progress of the magnificent 21 June, 2001 solar eclipse in the clear skies over Bakasa, Zimbabwe. ...

chandra_acis_ao9.par ; generate an ACIS spectrum for a source using a DEM , ; and optionally rescale the DEM to produce the same ; counts as a ROSAT / PSPC observation ; ;calling sequence ; .run initale ; @chandra_acis_ao9.par ; ;(LL/VK; modified from chandra_acis_ao5.par, Feb04) ;(LL ... density [cm^-3] T_components = [6.9, 7.4] ;log(T[K]) components in the EM EM_components = [5.1d12, 6.1d12] ;Emission Measure [cm^-3] obs_rate = 0.1 ; ROSAT / ...

In the conference room on October 28th: . click on the thumbnail photos to see larger size ones) . At the conference room on February 1st: . ... After the official part on February 2nd: . ... At the plenary session on August 6th: . At the regular and poster sessions on August 9th: . After all in working room on August 12th: . ...

Seminars are held in the Ryle Seminar Room at 11am. Coffee should be ready slightly early on mini-seminar days. ... 19 October 2005 . Postponed . ... 2 November 2005 . ... John Baldwin . ... TBA . ... Mini-seminars | Astrophysics Home | Astrophysics Local Pages John Young <jsy1001 (at) mrao.cam.ac.uk> Last modified: Wed Oct 26 10:36:55 BST 2005 ...