... Comet Ikeya-Zhang, designated C/2002 C1 (Ikeya-Zhang), is named after Kaoru Ikeya of Shizuoka prefecture, Japan, and Daqing Zhang of Henan province, China, who independently discovered it on the night of 1 February 2002. A preliminary orbit reported the following day indicated that it would come moderately close to both the Earth and the Sun and that it might become visible to the naked eye during late March and April 2002. ... Bailey, M.E., Clube, S.V.M. and Napier, W.M. The Origin of Comets . ...

ATNF ATUC MEMORANDUM To: ATUC From: Bob Sault Date: 4 June 2005 Subject Narrabri operations report Duty astronomer system and remote observing Following on from the December ATUC meeting, the duty astronomer scheme use to help support the ATCA has been changed. ... ATUC also requested that the requirement that the requirement for remote overseas observers to perform duty astronomer duty be dropped. ... This is now in its final stages, with the new system being offered to "friendly observers". ...

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

Peremennye Zvezdy", . ... GSC 4232-02515, NSVS 3147658, NSVS 3174760 . ... 14.2-14.9 (R, NSVS); . ... During observations of a secondary eclipse of GSC 04232-02830 (Goranskij et al., 2005) on August 8, 2007, we identified GSC 4232-02515 as a W UMa eclipsing binary. ... VAST software was used for aperture photometry. ... This method produces a light curve with an arbitrary zero point. ... Light Curve . Light curve of GSC 4232-02515 in NSVS magnitude scale. ... gsc423202515_kadar_nsvs.dat . ...

... 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)...

... A star party is a gathering of amateur astronomers who set up their telescopes and observe the dynamic night sky. ... Star parties are best scheduled during first quarter and waxing gibbous Moon. During full moon, the moon is so bright it obscures a view of other celestial objects and even the Moon is best viewed when NOT full. ... We will consult local weather forecasters and make a decision by 2:00p on the day of the star party. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... At 22:42:27 UT 26/07/09, the Burst Alert Telescope (BAT) on board of the SWIFT multi-wavelength space observatory triggered and located GRB 090726 gamma-ray burst event. ... About half an hour after the BAT trigger, the first images were obtained with the SAO RAS Zeiss-1000 telescope in four BVRI filters (see Fig.1). ... The spectrum of the optical transient was obtained with the SAO RAS 6-m BTA telescope 1.54 hours after the burst, using the SCORPIO instrument in the spectroscopic mode (Fig.2). ...

Next: Remote Observing on the Keck Telescopes . Up: Telescopes and Observatory Operations . ... COSMOS-3 is the third generation telescope software system of Nobeyama Radio Observatory, which was designed to control and to monitor the 45 m telescope and Nobeyama Millimeter Array and to acquire observing data from receiver backends. ... Tools at the top layer provide user interfaces for many kinds of observing requirements and various displays of observing results and system monitors. ...

... Home Gallery Club Events Pulkovo Observatory, St. Petersburgh, Russia . ... Clear Sky Chart . ... Beyond New York City . ... Pulkovo Observatory, St. Petersburgh, Russia . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... Observing Resources for Amateur Astronomers - Part 3: Advanced Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by ....

Blackholes2 Forum Message . ... Post . ... Shifts Are As Would Be Expected. ... Post Message | ... Red and blue shifts can be caused by velocities also. ... The expectd result would be a red or blue shift proportional to the aparent distance an object is from the observer. ... 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" . ...

... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Astronomy for Kids . ... April 2016: the historic journey to Europa . ... Astronomy 101 . ... Eicher book signing at Northeast Astronomy Forum . ... Year of Pluto . ... Astronomy Foundation . ... A much expected journey: How Pluto became a giant among the dwarfs . ... By the time it was, the world's existence was well expected. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

... Meteors and Meteorites . ... By admin August 2, 2011 Posted in: August . 13 August 2009: A perseid flashes through the sky (Image credit: Andreas M†ґller via wikimedia.org) . ... Not all meteors are sporadic events, the regular meteor showers occur when the Earth bulldozes through a great swarm of meteoroids drifting in orbit round the Sun. ... They are at their best in the pre-dawn hours, as the face of the Earth turning towards the Sun catches more meteors as the Earth moves through space. ...

... Actual stars are expected to be more complicated than these simulations. ... The spot may be entirely visible most of the time (one would observe a prolonged flux minimum low), and then part of it may disappear over the horizon briefly and then return (slow rise and then fall back to constant level). ... With the set of observations taken here, I have information available from several comparison stars and color information. ... The period found must be consistent with the data from any given night....

Space VLBI Mission RadioAstron Announcement of Opportunity -- 1 for the period July 2013 ­ 30 June 2014 Key Science Program ( KSP ) Final Notes Proposals Due: 8 February 2013, 23:59 UT 1 RadioAstron KSP meeting follow-up Based on the fruitful discussions, questions and suggestions from the RadioAstron Key Science program meeting in Bonn (December 3-4, 2012), we would like to emphasize the following specific aspects for the preparation of the AO-1 ...

home publications > mercury . ... Astronomy Beat . ... Nearly four centuries ago, Galileo's simple observations of Earth's planetary sibling, Venus, buoyed the proponents of a Copernican universe. ... The Italian astronomer had settled into a new house in Florence and had begun to observe Venus, which in November 1610 would have appeared as an evening star, bright in the western sky after dusk. ... From these two observations, Galileo inferred that Venus must orbit closer to the Sun than does Earth. ...

... Proposals will be accepted until 1 May 1997 and should be sent to: Mary A. Cragg Mount Wilson Institute 740 Holladay Road, Pasadena, CA 91106 USA e-mail: mwi@mtwilson.edu Haystack Observatory Call for Proposals ---------------------------------------- Haystack Observatory invites proposals for the use of the 37-m radio telescope for observations in the following wavelength bands: 3-mm (85-115 GHz ) 7-mm (35-49 GHz ) 1.3 cm (21-25 ...

... Our scientific interest is an accuracy of asteroid CCD observations obtained by amateurs and professional astronomers all over in the World. ... These data help us to analyse an accuracy of real CCD positions in the MPC Database. ... Do you test your observations of the small Solar System bodies permanently before sending them to the International Minor Planets' Center? ... Do you know a real accuracy of your positional CCD-observations in comparison with the other observatories' one ? ...

... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

Brad Carter, Carolyn Brown, Rhodes Hart Drew Foster, John Kielkopf, Ron Moore University of Southern Queensland, Australia University of Louisville, Kentucky, USA OVERVIEW Mt Kent Observatory is now providing live remote observations of southern skies as part of a collaborative project between USQ, the University of Louisville, and Northern Kentucky University. ... This enables observers to make daytime use of a remote telescope during its local night-time, and image otherwise inaccessible skies. ...

... Since 2011 our observatory is a member of GLORIA (GLObal Robotic telescopes Intelligent Array for e-Science) project - wide international collaboration of 13 scientific institutions from 8 countries aiming at opening public access to robotic telescopes, as well as propagating astronomy in general. The GLORIA Project offers Internet users the possibility of studying the sky from professional observatories. ... The experiments are available at the users site of GLORIA. ... About GLORIA . ...