Comet Hyakutake Finder Chart for Early April . ... Credit Copyright: HST Comet Hyakutake Observing Team and NASA . MPEG Movie of the Comet's Position in April (2.8 MB) Explanation: During April Comet Hyakutake heads in toward the Sun after passing the Earth . At this time the comet's orbit places it north of the Earth. ... As the comet recedes from the Earth it will appear dimmer even though it is getting intrinsically brighter as it nears the Sun. ... NASA Official: Jay Norris. ...

... Observing . ... Home Observing Poe Park, The Bronx ? Solar Observing . ... Poe Park, Bronx, Solar Observing . ... Observing Out-Of-Town . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate 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 . ...

... A comparison of the computed and experimental relations F max ( H), as well as comparison of drift scans of point sources across different horizontal cross-sections of the BP with the corresponding computed cross-sections were made. ... The drift scans of the point source 3Ñ84 (H=87 o ) at the wavelength 7.6 cm across the horizontal cross-sections of the BP (black lines) and the computed horizontal cross-sections of the BP corresponding to them (red lines). ...

Check out the new images (Jan 18-25) and (Jan 26-Feb 05) of the comet by Rob McNaught. ... Every few years a comet becomes bright enough to be easily seen with the naked eye but only every decade or so are these comparable with comets like Halley. ... Before Jan 13, the comet is not visible in the Australian sky after sunset. ... SOHO images . ... On Jan 12 at approximately 09:00 UT (8pm NSW time), comet C/2006 P1 McNaught appears at the 11 o'clock position in the images. ... STEREO images . ...

... Moore Observatory is a research and advanced teaching facility of the University of Louisville. ... The 24-inch Ritchie Chretien (RC24) telescope is a research instrument used by faculty and graduate students involved in studies of exoplanets, optical properties of the atmosphere, and the development of imaging and spectroscopic technology. ... Kent (CDK20S) are collaboratively operated by the University of Louisville and the University of Southern Queensland for both research and education. ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... SSRT - Receiving systems . The SSRT has two independent receiving systems for recording solar observational data, and several ancillary receivers for checking, setting up and adjusting the instrument. The base receiving systen is a multichannel filter receiver for a simultaneous recording in 180 channels with the 500 kHz band each, adjusted at steps of about 600 kHz. ... Channel's band . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Space Flight . ... Posted on August 7, 2012 | No Comments The summer months have been particularly uneventful, or more so the events have been hard to spot in the bright summer nights but the month of August has some amazing [ ] . Continue Reading.. ... 2 Comments ItòÀÙs the beautiful clear morning of 6 June 2012 here in Armagh and the Sun is rising into a cerulean blue sky.But look closer, and you can see a tiny [ ] . ...

Text of these problems is available also in other languages : . ... What can one see in the Moon's sky more often - the Sun or the Earth? ... There are about of 250 millions of stars in the elliptical galaxy M32 (a satellite of Andromeda galaxy). ... The masses of Capella's components. ... You are proposed to estimate the masses of Capella's components, using our observational data. ... A galaxy's mass. ... Estimate the mass of FGC 1908 and compare it to the mass of our galaxy. ...

... 1999 . I ïîëóãîäèå . 2000 . ... 2001 . ... 2002 . ... 2003 . ... 2015 . ... Ïîñëåäíåå îáíîâëåíèå: 28/12/2015 ...

Posting Observations . ... You will need to subscribe to vsnet-acc (to allow you access to post your observations). ... VSNet has several different e-mail sigs, and sub sigs. ... These list are controlled by a software package called " Majordomo ", which allows you to subscribe and unsubscribe yourself from these list with an e-mail message (automated). ... Once you have subscribed to vsnet-acc (which will only send you a welcome message back and nothing else) you can post to the other list. ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... LX70 Series . ... Meade's revolutionary LS LightSwitchòÄâ series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... LightBridge Series . ...

... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

... The Co­Addition Technique Applied to Images of Galaxy Cores W. W. Zeilinger Institut f˜ur Astronomie, University of Vienna, T˜urkenschanzstraúe 17, A­1180 Wien, Austria P. Crane, P. GrosbÜl and A. Renzini European Southern Observatory, Karl­Schwarzschild Straúe 2, D­85748 Garching, Germany Abstract. ... One may therefore take full advantage of the high resolution FOC images by co­adding them with (high signal­to­noise) ground­ based data. ... References Crane, P. et al. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit–¿s . ... les plus belles images de l'Univers d–¿crypt–¿es pour vous . ... Accueil –À observer : V–¿nus, Spica et des –¿toiles filantes . ... Surveillez aussi les –¿toiles filantes . Lorsque le ciel devient sombre, il se peut que quelques m–¿t–¿ores z–Rbrent le ciel, car c'est actuellement le pic d'activit–¿ de l'essaim d'–¿toiles filantes des Aurigides . ... 08/08/2013 - Les Nuits des –¿toiles 2013 : câÀÙest parti ! ...

Taking the opportunity of the Gaia reference star catalogue for observing the Solar system in the past D. Hestroffer , J.-E. Arlot , V. Lainey , V. Robert 1 1 1 1,2 1 - IMCCE ... Institut Polytechnique des Sciences AvancÈes (IPSA), 7-9 rue Maurice Grandcoing, F-94200 Ivry-s/-Seine, France Abstract The Gaia astrometric catalogue of reference stars will provide proper motions of stars until mag 18 with an accuracy better than 6 mas over one century ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

OBSERVATIONS OF COORBITAL SATELLITES OF SATURN Emel'yanov N., Varfolomeev M. Sternberg State Astronomical Institute, Moscow, e-mail : emelia@sai.msu.ru Institut de MÈcanique CÈleste et de Calcul des èphÈmÈrides, Paris, e-mail : emelia@imcce.fr Abstract. To improve the orbital parameters and masses of coorbital satellites of Saturn, Janus and Epimetheus, new observations of these satellites are necessary. ... IN: Saturn. ... New observations of Saturn's coorbital satellites" - Icarus. ...

The Sun is our nearest star and the source of energy for life on Earth. ... For centuries astronomers wondered whether they were clouds floating in the Sun's atmosphere, but we now know that they really are huge regions of magnetic field, about as intense as the field at the poles of an iron magnet. ... Such abrupt events were named solar flares , and what made them especially interesting was that occasionally, after a prominent flare, a magnetic storm would erupt on Earth. ...

Date: 11/24/2014 Time:05:26 Moon Age: 1.8 Available Observing Hours: 12.9 Observer: Instrument: Operator: Cage: Lebofsky, Bell 90PrimeOne Trueblood PF hours lost to: weather: 2.0 telescope: 0.0 instrument: 0.0 computer: 0.0 Time Temp Humidity Wind Vel. Wind Dir. Seeing Open 18:30 37.8F 50% 15 N 1.9 Close 05:20 37.1F 15% 15 NE 1.8 _________________ Description ______________________ Most of the night, seeing >2", which severely limited our available targets. ...