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... The Observatory, the cupola of which is 480 cm wide, is equipped with a Ritchey-Cretien 500 mm f/7.5 telescope, a 200 mm f/7.5 guide telescope, and a 250 mm f/13 Baker-Schmidt, a ST4 and a ST6 CCD cameras and four computers. ... Up until now we have archived about 600 images from the first observation, and 100 from the second, thanks to the automatic telescope aiming control program written by Vairo Risoldi. ... A.Nakamura, Japan, took CCD image of NGC5775. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Posted on July 22, 2013 | 55 Comments By now interest in Comet C/2012 S1 (Comet ISON) is building. ... Continue Reading.. ... Posted on June 18, 2013 | ... Posted on May 2, 2013 | ... Posted on April 2, 2013 | ... Posted on March 6, 2013 | 4 Comments Comet C/2011 L4 PANSTARRS has been wowing observers in the southern hemisphere recently and there have been some fantastic images taken of it. ... Posted on February 20, 2013 | ...

... The European Solar Magnetism Network (ESMN) is a Research Training Network Funded by the European Commission that links together 11 european institutes to perform coordinated studies of solar magnetic fields using ground and space-based observations as well as theoretical interpretation. atst.nso.edu . The Observatory of Arcetri is part of a group of italian and european institutes evaluating a european participation in the design and construction of the Advanced Technology Solar Telescope. ...

... DRAMA allows you to build distributed real-time systems consisting of a set of event-driven tasks. ... These are tested and controlled by higher-level tasks whose user interfaces are provided by Tcl/Tk and which communicate with the rest of the system using purpose-built Tcl commands that invoke the DRAMA system routines. ... Its basic unit is the Task . ... The combination of DRAMA and Tcl/Tk let us put together simple user interfaces for testing individual components of the 2dF system. ...

... Recent Topics . ... MAO main . ... Fw: ASTRONET: Task 5.4 - observing schools . ... Subject: Re: ASTRONET: Task 5.4 - observing schools . ... second half of September, and which will be funded by the training and . ... www.iap.fr/opticon/neon_schools/2014/index.html . ... intended for master and starting PhD students. ... actions on observing schools, providing access for students, Master . ... observing schools for master students. ... in form of observing schools for pre-PhD students. ... MAO NASU...

Astronomy Picture of the Day . APOD Turns Eleven . ... The first APOD appeared eleven years ago today, on 1995 June 16. Although garnering only 14 page views on that day, we are proud to estimate that APOD has now served over 400 million space-related images over the last eleven years. ... Driving Toward a Sun Halo . ... In the above case, however, there are actually millions of lenses: ice crystals. ... Edge On Galaxy NGC 5866 . ... Infrared Andromeda . ... Enceladus Ice Volcanos . ...

The Stone Age Observatory. It is well known that a lot of ancient constructions are oriented according to the cardinal points but not long ago scientists turned upon archeological monuments. ... The ancient monuments studied by archeoastronomy had been used for observing the sun and the moon. ... They are called megalits (from Greek "megas" - "great"; "litos" - "stone"). ... The Great Stonehang. ... Orby called it a Heel Stone because he had seen a small hole in it looked like a heel trace. ...

20-23 September 2016, St.Petersburg, Russia . ... Registration to the Symposium will be held in the main building of the Institute of Applied Astronomy of the Russian Academy of Sciences on Monday 19th September, from 18:00 to 21:00 . ... Registration will also be available on Tuesday September 20th from 8:00 to 9:00 at the conference venue. ... Conference dinner will take place in the Palace of Grand duke Vladimir (Academics House) on Wednesday 21th September, from 19:00 to 22:00 . ...

... We present a compilation of the flux densities at 22.25 MHz for 395 radio sources. The flux densities are derived from three or more observations of each source. ... In this paper we present a final list of the flux densities scaled both from the specific observations of individual sources and from scans of the survey of galactic emission. The list comprises revised flux densities of sources listed in paper I and new flux densities for sources measured subsequently. ... Braude, S. Ya.: ...

... Clubs . ... PUBLIC Telescopic observing is conducted at the Wheaton College Observatory every clear Friday (call for times) when college is in session. ... The College has a 12.5 " Newtonian/cassegrain telescope. ... For more information see the North Shore Amateur Astronomy Club page. ... For more information see the North Shore Amateur Astronomy Club page and the college's page . ... Aldrich Astronomical Society Paxton, MA . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Liyong Liu (NAOC) . Site testing on seeing conditions of the astronomical observatories over China are briefly reviewed, including Xionglong station of NAOC, Gaomeigu station of Yunnan Observatory, Delingha station of Purple Mountain Observatory. ... PDF [3.0€аMB] October 8, 09:55 10:20 . ... In this paper, we will review the site survey activities in the past years, and present the site-testing results on the Oma site, including cloud cover, seeing, water vapor, transparency and sky brightness. ...

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

... Tonight's Sky . ... Observing . ... Sky this Month . ... 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 . ... Observing Podcasts . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... McDonald Observatory at University of Texas, Austin . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

Astronomy . ... Institutions, Observatories . ... International Astronomical Union . ... Abastumani Astrophysical Observatory . Australian Astronomical Observatory . ... Byurakan Astrophysical Observatory . Hartebeesthoek Radio Astronomy Observatory . ... National Radio Astronomy Observatory . Nobeyama Radio Observatory . ... Pushchino Radio Astronomy Observatory . ... AGU journals . ... Astronomy and Astrophysics Springer . ... Astronomy Letters (ПАЖ) . ... Astrophysical Journal Letters . ...

... Spacecraft . 29b. Satellites looking down . ... 29e. Explorers of distant space . ... The Hubble orbiting telescope. ... The Hubble telescope , in low Earth orbit, overcomes such limitations, in the visible range and in part of the UV. ... So fruitful was this observation that a second "deep field" exposure of such length, near the southern pole of the heavens, was recently conducted. ... Some satellites specialize in observing the Sun, such as the Japanese Yohkoh and NASA's SOHO . ...

The Hubble orbiting telescope. The Earth's atmosphere, while transparent to visible light, absorbs most "electromagnetic radiations" which belong to the same family as light: parts of the infra-red (IR) and all of the ultra-violet (UV), X-rays and gamma rays. ... The Hubble telescope , in low Earth orbit, overcomes such limitations, in the visible range and in part of the UV. ... Some satellites specialize in observing the Sun, such as the Japanese Yohkoh and NASA's SOHO . ...

... Astrophysics Group . ... MRAO Telescopes . CLFST . ... Since the early days of Radio Astronomy in Cambridge we have been building instruments to survey the sky at low frequencies. ... The Cambridge Low-Frequency Synthesis Telescope 151-MHz aerials . The CLFST was built in 1980. ... The Cambridge Low-Frequency Synthesis Telescope 38-MHz aerials . ... The photo on the left shows some of the 38-MHz aerials; a group of 151-MHz aerials can be seen on a parallel baseline alongside. ...