THE RELATIVE MONTHLY MEAN SUNSPOT NUMBER ON MARCH 2016 HAS MADE Wmarch = 32.9, 54.9 ( new ) THAT GIVES FOR 80 MONTHS (2015, SEPTEMBER) DEVELOPMENT CURRENT 24 CYCLE OF SOLAR ACTIVITY THE SMOOTHED MONTHLY MEAN SUNSPOT NUMBER W*sep. = 39.6; 66.0 - (in new system ); W*aug. = 39.8; 66.3 - (in new system ); - On July 1, 2015 Centre in Brussels moved to a new system of cal- culation the relative ... Almost all the work using smooth W* have to lead to a new system, if it remains. ...

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

This service contributes to the International Service of Geomagnetic Indices (ISGI) of the IAGA . ... The Kp numbers of the previous month are available in tabular format . ... There are available also historical and current Kp and derived indices per anonoymos FTP (see below). ... U.S.A. FTP server: ftp://ftp.ngdc.noaa.gov/STP/GEOMAGNETIC_DATA/INDICES/KP_AP/ . monthly update) . ... contains the monthly Kp / ap tables in a simple text format readable for both humans and computers (*.tab). ...

... Magnetic storms online . ... Geomagnetic activity forecast . ... October : 2015 . ... magnetic disturbances are expected . From 3 October 2015 to 29 October 2015 the following magnetic storms and disturbances are expected: . October 14, 2015 geomagnetic disturbances . ... October 09, 2015 geomagnetic storm of level G1 (minor) . ... October 16, 2015 geomagnetic storm of level G1 (minor) 3 October 2015 - 29 October 2015 . 02.10.2015 . ... Probability of a magnetic storm . ...

... Events . ... Observing with a 100-metre telescope - Wed 21 October, Belfast . ... The Hershel Space Observatory - the golden age of space-based IR astronomy continues: Monday 19 October . October is a busy month at CIT Blackrock Castle Observatory! ... BCO October Newsletter . Hope to see you here for some of these great events. ... Wednesday, 14 October 2009 13:13 . International Year of Astronomy, Ireland National Node . ...

... HST Overview . ... Proposal ID = 12549 Principle Investigator = Thomas Brown - Space Telescope Science Institute Title = "The Formation History of the Ultra-Faint Dwarf Galaxies" Time = May 6, 2012 01:57:28 - 06:22:12 Target = CANES-VENATICI-II Instrument = ACS/WFC, WFC3/UVIS . ... The standard paradigm for the evolution of galaxies begins with the formation of large numbers of low mass dwarf galaxies. ... However, there appear to be only a few dozen dwarfs galaxies around our own Milky Way galaxy. ...

... Also the help file was renamed the manual, formated for LaTeX and html, and to a large degree, rewritten. ... Increase maximum number of setup files to 50. ... 1995 July) . ... Also, only put pointing request in VLBA control files if this is not a DAR-only station (1995 October 4) . ... Allow in-line setup files much like the source and station catalogs. ... Allow specification of schedule input file name from main input. ... Adding SUMITEM input to allow specification of what is in the summary file...

... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... For those of us who need on occasion to seek out truly dark skies, a group of members of the Amateur Astronomical Association organizes regular trips to sites in the New York metropolitan area suitable for deep-sky observing. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by...

... An Unexpected Flare from the Crab Nebula . ... Credit Copyright: NASA , DOE , Fermi LAT , R. Buehler ( SLAC , KIPAC ) Explanation: Why does the Crab Nebula flare? ... As recently as one month ago, gamma-ray observations of the Crab Nebula by the Fermi Gamma Ray Space Telescope showed an unexpected increase in gamma-ray brightness, becoming about five times the nebula's usual gamma-ray brightness, and fading again in only a few days. ... Publications with keywords: Crab Nebula - gamma ray . ...

... Begin ­ End Interval­Interval 01:35 ­ 04:05 09:30 ­ 12:05 16:00 ­ 16:50 17:00 ­ 22:10 Days Needed at This Interval 6 11 11 11 Time Constraints (Must Be Justified in the Prop osal Text) For J0251+26 (visible at LST 01:35 - 04:05): 6 x 0.75 h monthly sessions. For J1048+23 (visible at LST 09:30 - 12:05): 3 x 1 h daily sessions; 3 x 1 h weekly sessions starting 1 week after the last daily session; 5 x 1 h monthly sessions starting 1 month after the last weekly session. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Monthly Sky Notes . ... Posted on April 6, 2016 | No Comments Spring has truly sprung. ... Continue Reading.. Posted on March 1, 2016 | No Comments See you later February, youтАЩve been a wonderful month, but now it is time to welcome March. ... Posted on February 2, 2016 | ... Posted on January 7, 2016 | ... Posted on December 3, 2015 | ... Posted on November 4, 2015 | ... Posted on October 5, 2015 | ... Posted on September 3, 2015 | ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Flights Chronology . ... Project History . ISS Russian Segment . ... ISS 45/46 . ... Estimation of fulfilment quality dependance level of the reactivity test performed by astronauts in relation to tiredness and other neurobehavioral reactions in 12-months space flight on the ISS. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

. Statistics of sunspot activity . The sunspot indices . My observations . NGDC's observations . The solar regions . Links . About authors . Russian pages . 2016 . January . February . March . April . May . June . July . August . September . October . November . December . Home . Solar activity in 2016 . Visual indices of solar activity by author's observations . Average by . month . I . II . III . IV . V . VI . VII . VIII . IX . X . XI . XII . days . months .

... 2008 October 20 . Moons, Rings, and Unexpected Colors on Saturn . Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA . Explanation: Why would Saturn show such strange colors? The robotic Cassini spacecraft currently orbiting Saturn has beamed back images showing that the northern hemisphere our Solar System 's most spectacularly ringed planet has changed noticeably since Cassini arrived in 2004, now sporting unusual and unexpected colors. ... About APOD | ...

... Atmospheric Extinction Coefficients at La Silla (from Geneva Observatory) . Differential atmospheric refraction . ... Precipitable Water Vapour and local Relative Humidity . Wind, Air Temperature, Dew Point and Relative Humidity Statistics, 2002 to 2006 (pdf) and seasonal, 1999 to 2007 (pdf) . ... Wind Velocity and gust at ground level (1998-2007) and at the tropopause level . ... Environmental Conditions at ESO Observatories (Trimestrial Reports, discontinued in 1999) . ...

The Special Astrophysical Observatory of the Russian Academy of Sciences will organize a traditional International conference ?Physics and Evolution of Magnetic and Related stars? during the period from August 25 to August 31, 2014. ... evolution of CP and related stars, . ... interplay of pulsations and magnetism in B, A, and F stars, . ... chemical abundance patterns of CP and related stars, . magnetic white dwarfs, . ... Laboratory for the Stellar Magnetism Study of SAO of RAS . ...

... Final astrometric results. ... 2009MNRAS_394_1037E Informations. relative to: reference body is an occulted or eclipsed satellite . reference frame: astrometric centre of frame: topocenter for mutual occultation or heliocenter for mutual eclipse epoch of equinox: J2000 time scale: UTC reduction: from mutual occultations and eclipses coordinates: Position angle (topocentric for mutual occultation or heliocentric for mutual ... Hour of the astrometric data (UTC) 7. ...

... Apr 14, 2016 - Monthly Meeting . ... The Amateur Telescope Makers of Boston, Inc. ATMoB) is an astronomy club devoted to telescope making, observing, and studying the heavens. ... CURRENT MOON . ... April Sky . ... Lyrids Meteor Shower . ... Sources: NASA JPL Space Calendar , StarDate Online , Sky Telescope , Harvard-Smithsonian Center for Astrophysics , RASC Observer’s Handbook , Abrams Planetarium Sky Calendar and Astronomy Magazine . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... OM Calibration Meeting, October 2000 ­ RM OM CCF Status Detail I ffl all OM CCFs required by the SAS pipeline are present ffl crucial files for scientific analysis were updated reflecting inflight perfor­ mance: -- AstroMet (position) -- Boresight (position) -- PhotToNat (flux) -- ColorTrans (flux) -- BadPix (cosmetics: reduced sensitivity, edge emission) ffl other updated files reflecting inflight performance: -- Darkframe ...

... Radio Astronomy . ... ASRAS Board Members . ... To see the most up to date news and events happening with ASRAS log in with your user name and password and then click on the Activities page. ... Messier Marathon (Member Observing) CANCELLED Saturday, April 9, 2016 9:00 PM Location:Farash Center Ionia NY . ... ASRAS Members meeting - Friday May 6 at Farash Center - Ionia NY . ... ASRAS Board members meeting - monday May 9 @ Farash Center Monday, May 9, 2016 7:00 PM Location:Farash Center Ionia NY . ...