... Submitted by Robert Halstead on 01/12/2015 11:43:34 . Comet Lovejoy C/2014 Q2 on Jan. 10, 2015 . This is Comet Lovejoy C/2014 Q2 as it appeared at about 10:30 pm Saturday, Jan. 10, 2015, from my back yard in Belmont, MA, about 5 miles west of downtown Boston. The comet is quite bright and could be seen easily in my 10x50 binoculars. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Archives . ... During the runup to his recent talk on logN-logS , Andreas mentioned how sometimes people are confused about the variety of statistical biases that afflict surveys. They usually know what the biases are, but often tend to mislabel them, especially the Eddington and Malmquist types. ... Tags: bias , detection threshold , Eddington , faint source fluctuations , logN-logS , luminosity function , Malmquist . ... If the magnitude of a star is small, there?s no bias. ... Chandra Blog . ...

Astronotes Armagh Planetarium's Stellar Blog! ... By admin March 6, 2013 Posted in: Comets and Asteroids . ... Comet PANSTARRS reaches perihelion, its closest approach to the Sun on 10 March, after this it will start to move away from the Sun and to be visible in the twilight sky to observers in the northern hemisphere. ... It was a very faint and delicate white ?feather? against a deep golden sky.€а It took quite some effort to find even with binoculars and I could not see it at all without them. ...

... Antares is a huge star. In a class called red supergiant, Antares is about 850 times the diameter of our own Sun, 15 times more massive, and 10,000 times brighter. Antares is the brightest star in the constellation of Scorpius and one of the brighter stars in all the night sky. ... A closer look at the Eagle Nebula, however, shows the bright region is actually a window into the center of a larger dark shell of dust. ... Stars in the sky will typically appear to rise and set as the Earth turns. ...

... Date: 5 June 2010 01:19:14 GMT+01:00 . ... Solarfest, IAA/UAS sostice event, NLCs. ... 12:00 - Tea/Coffee . ... 15:30 - Solar Imaging Workshop - Dave Gradwell (IFAS) . ... 20:00 - Evening Public Lecture - "The Power of the Sun" - Dr. David Williams (UCL, MSSL) . ... ТљТљТљ At 8pm, our Evening Public Lecture will be presented by Dr. David Williams of the Mullard Space Science Laboratory, University College London http://www.mssl.ucl.ac.uk/~drw/ who is flying over just for the event. ...

Title: A Dark-Matter Spike at the Galactic Center? Authors: Piero Ullio , HongSheng Zhao , Marc Kamionkowski . ... Title: The Galaxy Environment of Quasars in the Clowes-Campusano Large Quasar Group at z~1.3 . ... Title: The Galaxy Environment of a Quasar at z=1.226: A Possible Cluster Merger . ... 16 matches for the search pattern galaxy environment . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/galaxy+environment/0/1/0/past,all/0/0 www-admin@xxx.lanl.gov ...

The red colors in this image show the galaxy M66 as it appears at the submillimeter wavelength of 850 microns, while the white background shows the galaxy as it appears in visible light. Regions of cold dust that appear as dark streaks in the white image glow brightly in the red image. ...

... Many observatories around the world will follow these events, with the purpose of obtaining accurate measurements of the angular diameter of this red giant, from the recording of the lightcurve during the disappearance (or reappearance) behind the limb of the Moon. ... 6 November 1998: both disappearance and reappearance recorded under very good conditions at the TIRGO observatory by A. Richichi . ... A preliminary analysis confirms the findings of the previous event observed in February (see below)...