Astronomy Picture of the Day . Vela Supernova Remnant in Optical . ... 13.06.1996 . ... Today the Vela supernova remnant marks the position of a relatively close and recent explosion in our Galaxy. ... As gas flies away from the detonated star , it reacts with the interstellar medium , knocking away closely held electrons from even heavy elements . ... Publications with keywords: Vela - supernova remnant - supernova . Publications with words: Vela - supernova remnant - supernova . ...

. " The Arecibo Observatory is sponsored by the National Science Foundation. Any opinions, findings and conclusions or recommendations . expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation."

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... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. June 13, 1996 . Vela Supernova Remnant in Optical . ... Today the Vela supernova remnant marks the position of a relatively close and recent explosion in our Galaxy . ... As gas flies away from the detonated star , it reacts with the interstellar medium , knocking away closely held electrons from even heavy elements . ... About APOD | ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Comet C/2011 L4 (PANSTARRS) on 2012 August 9th. ... A new comet, called C/2011 L4 (PANSTARRS), is expected to become visible for a few weeks from approximately 10th March in the western sky after sunset. The comet has come from the Oort cloud, which comprises a vast swarm of comets surrounding the solar system and extending more than halfway to the nearest star, that is more than two light years from the Sun. ...

The night sky brightness, together with number of clear nights, seeing, transparency, photometric stability and humidity, are some of the most important parameters that qualify a site for front-line ground--based astronomy. ... Night sky at ESO-Paranal (Chile). ... Night sky brightness data . ... UBVRI night sky brightness at ESO-Paranal during sunspot maximum (A 2003, PDF) . ... The Dancing Sky: six years of night sky observations at Cerro Paranal (Starlight 2007 conference proceedings, PDF) . ...

... They cover a period of 4 days in which the Supernova continues to rise in brightness (what astronomers call magntiude). ... First Image Taken on March 11 at 8:22 UT. Second Image Taken on March 12 at 8:52 UT. ... The supernova is the same brightness as in the previous image taken 2 hours ago . ... This image, taken 24 hours after the previous image, shows the supernova to be another 0.21mag (or about 25%) brighter. ... Hopefully the images do show that the brightness of the Supernova is changing. ...

... GOODS unites extremely deep observations from NASA's Great Observatories, Spitzer , Hubble , and Chandra , ESA's Herschel and XMM-Newton , and from the most powerful ground-based facilities, to survey the distant universe to the faintest flux limits across the electromagnetic spectrum. ... The space-based observations are complemented by ground-based imaging and spectroscopy, including extensive commitments of ESO and NOAO observing time. ... 2010-04-10: Deep VLA 1.4 GHz data for GOODS-North . ...

... ATNF Home . ... About ATNF overview . ... Parkes radio telescope . ... ATNF researchers have used the Australia Telescope Compact Array near Narrabri to image the radio remnant of SN 1987A at 12 mm wavelength (18.5 GHz) using all six antennas of the Compact Array to give a maximum baseline of 6km. ... Astronomers will compare this image with images of the supernova remnant obtained at optical wavelengths with the Hubble Space Telescope and X-ray wavelengths with the Chandra space X-ray observatory. ...

... Astrophysics Group . ... Optical Interferometry . Magdalena Ridge Observatory Interferometer . ... OIFITS: A Data Exchange Standard for Optical (Visible/IR) Interferometry . ... Very Large Telescope Interferometer . ... The observatory will comprise two facilities, a single 2.4 meter telescope and an optical/infrared telescope array, the Magdalena Ridge Observatory Interferometer (MROI). ... 2010), ?Magdalena Ridge Observatory Interferometer: advancing to first light and new science? ...

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

... August 6, 1998 . Infrared Horsehead . ... Explanation: This famous cosmic dust cloud was imaged in infrared light by the European Space Agency's Infrared Space Observatory (ISO) satellite. The false-color picture shows the bright infrared emission from dust and molecular gas in part of the Orion star forming region surrounding the Horsehead Nebula . In visible light, the horsehead-shaped dust cloud looks dark against a background of bright glowing gas. ... About APOD > . ...

... Telescopes . ... SAO RAS Anniversary Open Days (April 12-14, 2016) . The International Conference "Dark Ages and White Nights (Spectroscopy of the CMB)" (June 20-24 2016) . ... The International Conference "Multi-spin galaxies 2016" (September 26-30, 2016) . The International Conference "Stars: from collapse to collapse" (October 3-7, 2016) Archive . ... 6-m telescope online . Radio telescope . Telescope Zeiss-1000 online . ... All-Sky online . ... Last update: 28/03/2016 ...

Bright Supernova - Archives On these pages you will find references to Supernovae which have faded into oblivion. ... Finally, in 1999, when I took over the International Supernova Network's Latest Supernovae page I retitled the main page "Latest Supernovae", BUT, it's the "Latest Supernovae" page of the "Bright Supernovae" pages which are also sub-pages of ISN. ... Brightest supernova in 2005 . ... Brightest supernova in 2002 . ... Brightest supernova in 2000 . ... Brightest supernova in 1999 . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

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