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. ...

... Photometric standard stars will be interspersed between science stars. ... INSTRUMENT: SurveyCam FILTERS: VRI COMMENTS: Here is the status of nights so far for this project: program nts backup nts total wipeouts 2014-JUL/AUG/SEP 2 3 12 2014-OCT/NOV/DEC 2 1 4 2015-JAN/FEB/MAR - - - 2015-APR/MAY/JUN 4 7 3 2015-JUL/AUG/SEP - - - 2015-OCT/NOV/DEC TBD TBD TBD TOTAL 8 11 19 program nts = used for primary photometric program backup nts = used for backup ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ... Show bookings . ...

... The Large Telescopes Program Committee of Russian AS . ... Executive Secretary, e-mail: request@sao.ru . Telescope RATAN-600 Time Request deadline: I half-year (Jan. ... Program title .. ... Principal investigator .. ... Request status .. ... Retarded applications and ones not conforming to form will not be accepted by the Committee. ... In some exceptional cases the Program Committee Secretary can accept a request after deadline with permission of the Chairman of Committee or director of SAO RAS. ...

... P2865 Arecibo Observatory Date Received: 2013-Sep-03 17:52:22 William E. Gordon Telescope Observing Time Request COVER SHEET Section I - General Information Submitted for Sep 1 2013. ... Remote Observing Request Observer will travel to AO X Remote Observing In Absentia (instructions to operator) Section I I - Time Request The following times are in LST. ... As in past when the proposal is approved, I will communicate with Hector Hernandez about available time and pulsars to be observed. ...

HST Call for Proposals and HST Primer for Cycle 24 . ... Hubble Space Telescope Primer for Cycle 24 > Chapter 6: Orbit Calculation for a Phase I Proposal > 6.1 Overview of an Observing Program . ... Definitions (HST Orbits, Orbital Visibility Periods, and Visits) . ... See Section 3.2 for details on telescope guiding. ... Lay out all the exposure and overhead times for the program into visits (described in Section 6.5 ) and add up the number of orbits from each visit to obtain the total orbit request. ...

... Within the transnational Access program of SOLARNET, European investigators can apply for observing time with the European instruments IBIS and ROSA , which are installed at the Dunn Solar Telescope of the US National Solar Observatory ( DST/NSO ). ... Periodic calls for proposals will be published for requesting SOLARNET observing time with the European instruments IBIS and ROSA, installed at the Dunn Solar Telescope of the US National Solar Observatory (DST/NSO). ... SOLARNET Access . ...

... An overall criterion for standard-star selection is the accuracy needed in the final results: if you need more accuracy, you will need more standard stars. ... While it is possible to get a rough estimate of the extinction by observing different standard stars at high and low airmasses, the relatively large conformity errors in most photometric systems, together with the low accuracy of some standards, make this method very inefficient (see Young [ 10 ], p.178). ...

... ASRAS HOME . Radio Astronomy . ... About ASRAS . ... Our Observing Site . ... 2015 Mees Tour Guides . ... We're offering Regular Tours (a presentation on astronomy geared to a general audience, followed by a tour of the observatory and (hopefully!) observing of several objects, which may include the Moon, planets, nebulae, star clusters and perhaps galaxies), and Kids' Tours (a more interactive presentation specially aimed at youngsters plus the observatory tour and observing) as in prior years. ...

Click here for more about this recent image from Shared Skies. Moore Observatory of the University of Louisville and Mt. Kent Observatory of the University of Southern Queensland support teaching and research by their students and faculty in programs in Astronomy, Physics, and Atmospheric Sciences. ... The wide field telescope in the roll roof and the CDK20 in the Sirius dome at Moore Observatory offer live real-time use to university students, and to secondary school teachers, on request. ...

... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... Sky this Month . ... 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 . ... The quest to understand the Red Planet . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine ...

Eyepieces Forum Message . Forums: . ... Eyepieces ћ Meade ћ Misc. ... Post . ... Re:Decisions, Decisions - Help Requested.. ... Post Message | ... Posted by Jarvis Krumbein on January 14, 2003 18:28:34 UTC . ... Decision Made... - imhotep - January 17, 2003 - 23:43 UTC . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

RadioAstron AO-1 prop osal Submission dead line: February 8, 23:59 UT. ... Team contact name and e-mail address: Ivan Petrov (e-mail: Ivan.Peterov@gmail.com ) Total observing time request: 100 hrs Number of independent observing segments and typical range of pro jected baselines required: 20 (3-30 Earth diameters) Specific dates and time intervals requested : If your experiment requires specific dates and UT ranges, please, indicate them: February 1, 2014: 08:00-16:00 UT -- M87 imaging ...

... The process of proposing for Hubble Space Telescope observing time has been revised, to make it simpler for proposers. We describe the simple, flexible, and robust prototype system created to handle proposal submission. ... Proposing for Hubble Space Telescope ( HST ) observing time proceeds in two phases: the scientific merits of the proposal are considered in Phase I; only accepted proposals enter Phase II, where the observations are described in complete detail. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The algorithm and appropriate program for decametric radiosignal propagation conditions prediction for paths from 500 to 9000 km have been developed at ISTP SB on the basis of normal wave method (AltyntsevaB.I,Iliyin N.V., Kurkin V.I. and others //Decameters channel simulation on the base of normal wave method . ... Solar activity indices are chosen automatically from the prediction date from the database . ...

... Note: Click here a longer, much more comprehensive overview of the polar aurora . ... Magnetic Field . ... Aurora . ... 3b. Fritz Aurora . ... Electrons . ... Typical aurora (Dick Hutchinson ї) . In Alaska, Canada, Norway, Finland or northern Russia, on a clear night, a greenish glow is often seen in the sky, known as the "Northern Lights." ... Auroral light is produced at a height of about 100 km (60 miles) when fast electrons, arriving from space, slam into atoms and molecules of the atmosphere. ...

... Note: Click here a longer, much more comprehensive overview of the polar aurora . ... Magnetic Field . ... Aurora . ... 3b. Fritz Aurora . ... Electrons . ... Typical aurora (Dick Hutchinson ї) . In Alaska, Canada, Norway, Finland or northern Russia, on a clear night, a greenish glow is often seen in the sky, known as the "Northern Lights." ... Auroral light is produced at a height of about 100 km (60 miles) when fast electrons, arriving from space, slam into atoms and molecules of the atmosphere. ...

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