... 2001 October 31 . Halloween and the Ghost Head Nebula . ... Since the fifth century BC, Halloween has been celebrated as a cross-quarter day , a day halfway between an equinox (equal day / equal night) and a solstice (minimum day / maximum night in the northern hemisphere). With our modern calendar , however, the real cross-quarter day will occur next week. ... The Ghost Head Nebula spans about 50 light-years and is shown in representative colors. ... About APOD | ...

Astronotes Armagh Planetarium's Stellar Blog! ... Nebulae . ... Space Flight . ... Posted on July 28, 2015 | No Comments Peer deep into the constellation Sagittarius and you will find a spectacular young star cluster and its associated stellar nursery. ... Continue Reading.. ... Posted on October 4, 2013 | ... Posted on April 12, 2013 | ... Posted on March 5, 2013 | ... Posted on February 20, 2013 | ... Posted on November 15, 2012 | ... Posted on October 3, 2012 | ... Posted on August 31, 2012 | ...

Astronomy Picture of the Day . ... Pumpkin Moon . ... Red and orange hues haunting the face of the Moon might remind you of the October 27th total lunar eclipse, but the picture is actually a montage of images from a similar lunar spectacle in May of 2003. Red Moon Triple . ... Some thought of baseball and some thought of Halloween during October 27th's widely viewed total lunar eclipse. ... Total Lunar Eclipse Tonight . ... Go outside tonight and see the total lunar eclipse. ... October 2004 . ...

... SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... ASP E-mail Newsletters . ... Beyond the Equations: The Night Sky, Spirituality, and Masada . ... I looked up at the gibbous Moon, and started tossing about names of the maria that I could see on Earth?s sole natural satellite. ... Finally, on that particular April night, the Masada observers would have seen a full Moon over their heads, while on our night the gibbous Moon looked much as it did on any Day of Atonement. ...

... Thur 22 October 2009, Armagh . Astronomy Ireland Celebrates Galilean Nights . ... On 22-24 October 2009, the International Year of Astronomy 2009 Cornerstone Project, Galilean Nights, will see amateur and professional astronomers, enthusiasts and the public taking to the streets all around the globe, pointing their telescopes to the wonders that Italian astronomer Galileo observed 400 years ago. ... Monday, 19 October 2009 19:00 . International Year of Astronomy, Ireland National Node . ...

... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Publications overview . ... Careers overview . ... MRO Support Facility . Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Current telescope status . ... Australia Telescope Online Archive (ATOA) . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Meetings . ...

... Tonight's Sky . ... The Magazine . News . Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... October 2012 . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

I was wondering what conditions should be met to have the "darkest" sky .. ... Upon the above publication of the Southern Galactic hemisphere, TunГ Tezel started seeking opportunities to create the Northern counterpart image. ... So, the initial quest of having the darkest possible sky have delivered us these two all-sky images of the two galactic hemispheres as seen from Planet Earth. Zoomable and 'full-screenable' fisheye view of the "darkest sky" Southern Galactic Hemisphere image. ...

... Telescopes . ... The International Conference "Dark Ages and White Nights (Spectroscopy of the CMB)" (June 20-24, 2016) . ... The International Conference "Stars: from collapse to collapse" (October 3-7, 2016) . The traditional annual competition conference of scientific and scientific-engineering papers of the Observatory staff members . ... A session of the Dissertation Council (October 16, 2015) . ... International scientific conference "Large Optical Telescopes" (October, 10-13, 2011) . ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... Contact details cannot be confirmed . ... See many more Astronomy Listings by: Category or Alphabet . ... Listed Since October 29, 1998 . ... Web Site . ... Web . www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

... S. G. Pugacheva. Sternberg State Astronomical Institute, Moscow, 119899, Russia, pugach@sai.msu.ru . ... Sternberg State Astronomical Institute, Moscow University, Russia, pugach@sai.msu.ru . ... Sternberg State Astronomical Institute, Moscow University, 13 Universitetsky pr., ... Sternberg State Astronomical Institute, Lomonosov Moscow State University, Universitetskii pr. ... S. G. Pugacheva and V. V. Shevchenko, Sternberg State Astronomical Institute, Moscow University, 13 Universitetsky pr., ...

... Artist's concepts of two ATLAST designs . ... ATLAST: Characterizing Habitable Worlds (Postman et al. ... Science drivers and requirements for an Advanced Technology Large Aperture Space Telescope (ATLAST):Implications for technology development and synergies with other future facilities (Postman et al.) ... A 16-m ATLAST Mission Design (Lillie et al.) ... Conceptual Design for a 16-m Segmented UVOIR Space Telescope (Korechoff et al.) ... Science with an 8-m to 16-m ATLAS Telescope (Postman et al.) ...

... 27 May-1 June, 1993 (6 nights) Calar Alto, 1.23m. Calamai + Richichi . ... 28 June-4 July, 1993 (7 nights) Calar Alto, 1.23m. Richichi + Stecklum . ... 20-27 December, 1993 (8 nights) Calar Alto, 1.23m. Leinert + Richichi . ... 18-24 February, 1994 (7 nights) Calar Alto, 1.23m. Richichi + Stecklum . ... Photometry: only standards on 16th (SL9 run). ... 12-16 January, 1995 (5 nights) Calar Alto, 1.23m. Richichi + Stecklum . ... 18-22 November, 1996 (5 nights) Calar Alto, 1.23m. Fabbroni + Richichi . ...

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

... Home Links International Sidewalk Astronomy Night . ... Saturday night, April 12, 2008, is the 2nd International Sidewalk Astronomy Night.€а We call on all amateur astronomers to take their telescopes and binoculars out for the public to enjoy the wonders of the night sky.€а A first-quarter Moon will be visible, as will the planets Saturn and Mars.€а More information can be found at http://www.sidewalkastronomynight.com /, where you can register so people will know where to find you. ...

... We had a unique diagnostic tool for determining whether or not the secondary was fractured during the dark run in that we had 3 sets of focus sweep data for the imaging camera taken on the nights of 05 October 1999, 11 October 1999, and 14 October 1999. ... Figure: 05 October 1999, CCD g1 . ... Surface plot. ... Figure 32 plots the same data but for CCD g3. ... Figure: Comparison of normalised brighness for the out-of-focus doughnuts for the nights of 05, 11, and 14 October 1999 for CCD g1. ...

... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Last week, our tour outwards made a stop at our own home planet. Permit me to hold our tour a bit longer, to linger and gaze upon the Moon. ... Complex molecules floated in the water, but the concentration of these compounds wasn't high enough for them to get any further along than making amino acids and the like. ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! ...

Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

Publications in Russian . V. Gorshkov. ... View text . V. Gorshkov, M. Vorotkov. ... Gorshkov V.L., Miller N.O., Vorotkov M.V. Manifestation of solar and geodynamic activity in the dynamics of the Earth's rotation. ... Gorshkov V., Shcherbakova N. On recent geodynamics of the Eastern Baltic Sea region. ... Chandler Wobble in Variations of the Pulkovo Latitude for 170 Years. Solar System Research, 2011, Vol. ... Early Latitude Observations at the Pulkovo Observatory. ...

... Dongwon Kim , March 2014, on-going . ... Tammy Roderick , March 2011, on-going . Emma Kirby, *PhD completed August 2010* . ... Laura Dunn, *PhD completed December 2007* . ... David Nicholls, *PhD completed March 2014* . ... Antoine Bouchard, *PhD completed June 2006* . Emily McNeil, *PhD completed December 2010* . ... Eduard Westra, *PhD completed December 2007* . Sebastian Gurovich, *PhD completed August 2006* . Rami Rekola, *PhD completed December 2004* . ...