... An Active Sun During a Total Eclipse . ... Taking advantage of such, the above image shows the solar eclipse earlier this month as covered and uncovered by several different solar observatories. ... The outermost image -- showing the outflowing solar corona -- was taken by LASCO ten minutes after the eclipse and shows an outflowing solar corona. ... NASA Official: Jay Norris. ... Publications with keywords: Sun - eclipse - solar maximum . Publications with words: Sun - eclipse - solar maximum . ...

... 2013 November 11 . An Active Sun During a Total Eclipse . Image Credit Copyright: D. Seaton ( ROB ), A. Davis J. M. Pasachoff ( Williams College Eclipse Expedition ), NRL , ESA , NASA , NatGeo . Explanation: Sometimes, a total eclipse of the Sun is an opportunity. Taking advantage of such, the above image shows the solar eclipse earlier this month as covered and uncovered by several different solar observatories. ... Free lecture: APOD editor to speak in NYC on Jan. ... About APOD | ...

... May 15, 1998 . TRACE and the Active Sun . Credit: Courtesy CFA , TRACE Team , NASA . ... It shows graceful arcs of intensely hot gas suspended in powerful looping magnetic fields which soar above a solar active region. ... By operating the TRACE instruments during the Sun's increasingly active phase, scientists hope to explore the connections between complex solar magnetic fields and potentially hazardous solar eruptions. ... About APOD > . ... NASA Technical Rep.: ...

The broad background peak of activity of this year's Leonid meteor shower is expected to occur around dawn on the 17th November. ... It is anticipated that rates will be up to about 50 meteors per hour for a few hours around peak activity, under ideal conditions. ... According to Armagh Observatory astronomer, David Asher, and co-workers, there will be two additional peaks of activity after the broad stream peak. ... Leonid Meteor Pages . The unexpected 2004 Leonid meteor shower - PDF Format . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Space Flight . ... Science Fiction . UFOs and Fringe Science . ... This close-up look at Comet ISON (C/2012 S1) is from NASAтАЩs Hubble Space Telescope. This image was captured on 10 April 2013, when the comet was at a distance of 386 million miles (slightly further than Jupiter) from the Sun. ... Image credit: NASA, ESA, J.-Y. Li (Planetary Science Institute), and the Hubble Comet ISON Imaging Science Team) . ...

... 2 April 1999 . The Nobeyama Radioheliograph data show that in the microwave range, besides large-scale trans-equatorial chains (see, e.g., the May 11-15, 1993 and November 1-4, 1993 events), there are also many examples displaying large and strongly evolving "longitudinal" or "internal" chains connecting remote active regions inside an active zone in one (northern or southern) hemisphere (the August 20-September 3, 1998 event). ... Last update: 2 April 1999 . ...

... ESO PR Photo 07a/01 . ... ESO PR Photo 07b/01 . ... Caption : PR Photo 07a/01 shows Comet Hale-Bopp , still active at a distance of nearly 2,000 million kilometres from the Sun. ... This is quite unusual for a comet and is clearly confirmed on the present photo ( PR Photo 07a/01 ) from the WFI camera on the MPG/ESO 2.2-m telescope at La Silla, obtained a few days ago. ... ESO-Chile . ... ESO PR Photos 07a-b/01 may be reproduced, if credit is given to the European Southern Observatory (ESO). ...

show_active_props (version 09/04/03) . ... Finds the active proposals of a particular type . ... DEVELOPER: Alan Patterson, 28-Aug-2003 . PURPOSE: The tool finds the active proposals of the specified types . USAGE: do show_active_props [-poms=pomsgroup] [-output=<filename>] . where: -poms requests active POMS proposals for the . ... Modules . ... minmatch (arg1, arglist) . Finds the first entry in arglist that begins with arg1 or None if there . ... author__ = 'Alan Patterson' . ...

... Sun images . ... Active areas . November : 2015 . ... 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 November 09, 2015 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 November 09, 2015 00:31 UT . ...

... Club By-laws . ... Other Club Activities . ... Public Nights . ... Dr. James Green, NASA, Director Planetary Science will be our esteemed speaker on Tuesday, April 12, 2016 at 7:30 PM in Peyton Hall on the Princeton University campus. ... Our astronomers setup telescopes for public use at Communiversity in Princeton, Super Science Saturday at the NJ State Museum in Trenton and at various public events around Mercer County. ... Amateur Astronomers Association of Princeton, Inc., ...

Ganymede is the largest moon in our solar system, larger even than the planets Pluto and Mercury. ... Ganymede's surface consists of two main types of terrain: old, dark polygonal units, and young, bright valleys and ridges (see figure 11 ). ... In a similar way, hitting a large block of ice with a hammer makes white marks. ... Ganymede as seen by Voyager 2. ... Because Voyager couldn't spot any large impact craters, scientists have concluded that the moon's surface is young. ... Moon . ... Europa . ...

... You are here: start €Ё lbaops €Ё telecon2012nov02 . ... VLBI Schedule . LBA Home Page . ... Observer's Wiki . ... Attendance: Cormac Reynolds, Hayley Bignall, Ramesh (Curtin); Tasso Tzioumis, Chris Phillips, Phil Edwards, Giannis Gonidakis (CASS Marsfield); Jamie Stevens (CASS Narrabri); Shinji Horiuchi (CASS Tidbinbilla); Brett Reid, Jamie McCallum, Joe Dawson, Simon Ellingsen, Vassant (UTas); Oleg Titov (Geoscience); Richard Dodson (UWA) . ... e- VLBI . ... Need ATNF disk space (Tasso, Shaun) . ...

Solar Flare Origin - critical analysis" Lev Pusti'lnik We analyze current approach to solar flare origin in 3 aspects: a. Pre-flare equilibrium state of current-magnetic structure above active region and its evolution to flare state, b. Possible reasons of stability loss with transition of system in flare state c. Flare energy release in turbulent current sheet and particle acceleration in this system. ...

... General debugging: . hvps . ... Debugging ground switch not lifting . 28may12 : ground switch opening during run. 190154 sh1,2 - Schematic diagram hvps control . 190153 sh1,3 - control assembly hvps. shows location cables,tbX, etc. 190235 sh1-5 - schematic diagram hvps control main board . 190235 sh3 lattice fpga chip . ... 190374 logic diagram for lattice cominatorial logic. 190152 sh 1-12 System supervisor chassis sh 1-12 . ... Debugging Ground switch: . ... fpga logic on 190374 . ...

... We publish 16 Doppler imaging temperature maps for the years 1994-2002 of the active RS CVn star II Peg. ... Through Doppler imaging we want to study the spot evolution of the star and in particular compare this with previous results showing a cyclic spot behaviour and persistent active longitudes. ... The derived temperature maps are quite similar to the ones obtained earlier with a different methods, the main differences occurring in the spot latitudes and relative strength of the spot structures....

... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... Product Reviews . ... View more active galactic nuclei . ... In the July 2013 article, Secrets of the brightest objects in the universe, I describe what astronomers currently know about quasars, which are the most luminous type of active galactic nuclei (AGNs). ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... The hot component shows very spectacular activity: irregular outbursts accompanied by fast, massive outflows and jets. ... Diffraction-limited images for both components of CH Cyg binary system were reconstructed using visible speckle interferometry at BTA 6-m telescope (Fig.1). The orbital period 15.6 years and masses: 2.0 Msun and 0.7 Msun for red giant and white dwarf, respectively were derived from angular distance (0.042") and magnitude difference (2 m ) of the components. ... Fig.1. ...

M87 Gas Disk and Optical Jet (STSci) . SEDS Messier Catalogue M87 Page (U. Arizona) . Black Hole and Jet in M87 (NASA/GSFC) . ... The large scale radio structure is shown in the 3CRR Atlas . Richard White's Virgo Cluster page has optical and X-ray images of the large-scale environment of M87 . ... HST Observes Distant Radio Galaxies (STScI) . HST Finds a Black Hole in NGC4261 (STScI) . HST finds a Bare Black Hole Pouring out Light in NGC6251 . ... Alan Bridle's Home Page . ...

... Articles | ... Forums . ... 230 deg . 49 deg . ... 130 deg . ... More Info . ... 210 deg . ... 168 deg . ... 249 deg . ... 195 deg . ... 271 deg . ... 110 deg . ... 338 deg . ... July 15 . 247 deg . ... 224 deg . ... 340 deg . ... July Phoenicids (PHE) . ... August 10 . 341 deg . ... 339 deg . ... 307 deg . ... 334 deg . ... 335 deg . ... 286 deg . ... 327 deg . ... 262 deg . ... 102 deg . ... 153 deg . ... 117 deg . ... December 2 . ... 123 deg . ... 100 deg . ... www.astronomy.net . ...

... Aurora from Space . ... Aurora Origin . ... Magnetic Storms . 30.a Chicago Aurora . ... This one was waiting when I came home from a late lecture on Monday, 5 November 2001: . Subject: Funny looking sky. ... We live just north of Chicago, and I didn't think the Aurora Borealis isvisible this far south. ... http://www.sec.noaa.gov/today.html . I had to wait a long time for that page to come up, so perhaps many people are accessing it... and maybe something interesting is indeed happening. ...