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Dear PALFA consortium members, Another smooth day of observing, with detections of J1928+1746 (PALFA#1), a much brighter re-detection of B2020+28, a few single-pulse candidates, and not much else to report from our quicklook. ... Update databsae with fill_observed.py Quicklook Notes: * Plot order bug: displays candidate 1, 10, 2, 3, .. Plot display bug: If the last candidate (#9 for now) is filtered out, then the single pulse plot is also filtered out. ... No other obvious quicklook candidates. ...

Jupiter's volcano-pocked moon Io has been found by NASA's Galileo spacecraft to have a giant iron core that takes up half its diameter, scientists report in today's issue of Science magazine. The spacecraft also has detected a large "hole" in Jupiter's magnetic field near Io, leading to speculation about whether Io possesses its own magnetic field. ... Galileo scientists also are trying to determine the cause of the hole they found in Jupiter's magnetic field when the spacecraft was closest to Io. ...

Galileo Finds Giant Iron Core in Jupiter's Moon Io . Jupiter's volcano-pocked moon Io has been found by NASA's Galileo spacecraft to have a giant iron core that takes up half its diameter, scientists report in today's issue of Science magazine. The spacecraft also has detected a large "hole" in Jupiter's magnetic field near Io, leading to speculation about whether Io possesses its own magnetic field. If so, it would be the first planetary moon known to have one. ... Space History Galileo . ...

... 1993: . ... Based on the results of spectrophotometric observations with a high signal-to-noise ratio of 15 blue compact galaxies with low abundances of elements heavier than helium, the origin of nitrogen in these objects was investigated. ... Based on the high-accuracy spectrophotometric observations of 10 blue compact galaxies with a low abundance of elements, the most precise value of the mass fraction of helium Y(p) was obtained. ... Archive . ...

... 1996A .. 117.. 1S Part II, 180<l<240; . ... 369L Part III, 120<l<130, |b|<10; . ... Finally, we argue that the red-sensitive surveys (ESO R; POSS II-R, POSS II-IR) are the best suitable material for galaxy searches in the zone of avoidance. ... As the fifth part in our series of papers on galaxies in the "zone of avoidance" (ZOA) of the Milky Way we present 1346 new galaxy candidates discovered during a systematic search on Palomar Observatory Sky Survey (POSSI-E) red-sensitive prints. ...

... More than 200 microlensing events have been detected during the last ~4 years, most of them towards the galactic bulge. Since the line of sight towards the bulge passes through the disk and the bulge itself, the known stars towards the bulge play a dominant role as gravitational lenses. If these stars have planets around them, then the signature of the planets can be seen as sharp, extra peaks on the microlensing light curves. ... Status of some other similar efforts will be briefly discussed. ...

... M7 is one of the most prominent open clusters of stars on the sky. The cluster, dominated by bright blue stars, can be seen with the naked eye in a dark sky in the tail of the constellation of Scorpius. Light from a Extra Solar Planet . ... NGC 1316: After Galaxies Collide . ... A preliminary inspection indicates that NGC 1316 is an enormous elliptical galaxy that includes dark dust lanes usually found in a spiral. The Galactic Center Radio Arc . ... A Tether in Space . ...

Automatic Classification of Sunspot Groups Using SOHO/MDI Magnetogram and White Light Images David Stenning March 29, 2011 1 Introduction and Motivation Although solar data is being generated at an unprecedented rate, the majority of sunspot classification is done manually by experts. ... This is to smooth the "white" areas in the magnetograms. ... Left: Inverse Magnetogram Right: "Opened" Inverse Magnetogram 6 Using the cleaned images, sunspot active-region "seeds" are obtain by thresholding. ...

... Up: Future Instruments and Telescopes, Tools . ... New Generation Astronomical Telescopes (NGAT), a class of telescopes designed to be operated remotely and robotically, require efficient methods for communicating images over heterogeneous and low-bandwidth data networks such as the Internet. ... Methods researched thus far involve the classification of astronomical images based on object parameterisation, progressive image transmission, and evaluation of existing image compression schemes. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Context We report on the plasma properties of small-scale transient events identified in the quiet Sun, coronal hole