Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 15 - 21.12.2014 , Forecast on 22 - 29.12.2014, Carrington Rotation 2158, 2159 (08,61.12.2014; 4,94.01.2015) SUNSPOT-FORMING ACTIVITY OF THE SUN REMAINED AT THE MIDDLE LE- VEL ALL DAYS. ESTIMATED, WEEKLY AVERAGE VALUE OF THE RELATIVE SUNSPOT NUMBER IN THE INTERNATIONAL SYSTEM WAS MADE W = 063+14/ -11. ... NEXT WEEK EXPECTED THE AVERAGE LEVEL OF SUNSPOT ACTIVITY. ... BY DATA OF CORONOGRAPHS SOHO AND STEREO WERE OBSERVED 23 CME. ...

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• http://www.izmiran.rssi.ru/services/saf/archive/en/2014/obzor20141215.en.txt
• http://www.izmiran.rssi.ru/services/saf/archive/en/2014/obzor20141208.en.txt
• http://www.izmiran.rssi.ru/services/saf/archive/en/2015/obzor20151221.en.txt

... HSP photometric accuracies are strongly dependent on the observational setup and observing conditions, such as spacecraft jitter. Absolute photometry can be done only with a one sigma limiting accuracy of approximately 5%, but relative photometry is possible with an accuracy of 1-2%. Estimated HSP Calibration Accuracies . Absolute Timing . ... Relative Timing . ... 1991 through summer 1993 monotonic decrease, . ... Absolute photometry . ... 5% (one sigma) . ... Relative photometry . ...

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• Initial Hypotheses
• HSP Data Handbook
• Fine Guidance Sensor Instrument Handbook

... Magnetic storms online . ... Geomagnetic activity forecast . ... December : 2015 . ... No magnetic storm is expected . From 2 December 2015 to 28 December 2015 the following magnetic storms and disturbances are expected: . December 06, 2015 geomagnetic disturbances . ... December 08, 2015 geomagnetic storm of level G1 (minor) . ... December 21, 2015 geomagnetic storm of level G2 (moderate) . ... December 16, 2015 geomagnetic storm of level G1 (minor) 2 December 2015 - 28 December 2015 . ...

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• Space weather forecast December 03, 2015
• Space weather forecast December 02, 2015
• Space weather forecast December 04, 2015

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . This year's annual Geminid meteor shower is active during the period December 7 - 17, with the peak of activity occurring during the night of December 13th/14th. The Geminid shower is currently one of the best of the major annual meteor displays, usually having a high number of relatively bright, medium-speed (130,000 km per hour) shooting stars. ... Last Revised: 2009 December 7th . ...

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• QUADRANTID METEORS 2004
• Terry Mosely's Bulletins
• Geminid Meteor Shower: 13 to 16 December 2008 | International Year of Astronomy

DFS Trouble Shooting . ... According to symptoms usually observed by users, the most probable causes are described, and corresponding solutions proposed. First symptom as it can be observed by a user . Optional) Second symptom as it can be observed by a user First possible cause . Optional) Second possible cause First proposed solution: Describe step by step the procedure to fix the problem. ... Optional) Second proposed solution: Describe step by step the procedure to fix the problem. ...

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• ESO - ESO-Enews #25: December 2012
• ESO - I see unexpected boxy emission-like features in my REDL spectra - where
• Astroclimatology of La Silla

... December 30, 1998 . Supernova 1994D and the Unexpected Universe . Credit: High-Z Supernova Search Team , HST , NASA . Explanation: Far away, long ago, a star exploded. ... Supernova 1994D was not of interest for how different it was, but rather for how similar it was to other supernovae . ... The large number and great distances to supernovae measured in 1998 have been interpreted as indicating that we live in a previously unexpected universe . ... About APOD > . ... NASA Technical Rep.: ...

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• K-band Arcetri Obscured Supernova Search - What is the KAOSS Projrect?
• IBIS - Flat Fielding
• IBIS: SolarNet Access

... Start time is 13:30 *VS10f Dec 16 HO Unavailable *VS04u Jan 26 CANCEL *VS06a Jan 27 CANCEL *VS09m Feb 23 HH Unavailable EXPNO SOURCE FRQ Corr DOY DY: DATE UT RANGE #TEL TELESCOPES W030i J2207-53 C Mitk 320 Mo: Nov -16 06:00 - 15:00 3 HH AT HO V026b2 3C120 C Socr 323 Th: Nov -19 00:00 - 13:00 19 VLBA NT TR EB JB MC WB Y SH ON V120b V137b W058f J2136+00 C Socr 323 Th: Nov -19 23:00 - 07:00 12 VLBA KA SH V043b 3C111 C ...

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• Release of 22 Feb 1996
• G Quirks and Unexpected Behaviour
• lbaops:lbamar2008:vx014a [ATNF VLBI Wiki]

... The Sun of our solar system is a typical star of intermediate size and luminosity. ... The Sun has a very complex surface magnetic field created by convective flow of the electrically conducting solar material. ... The escaping hot coronal plasma is called the solar wind . ... See the table below for the observed features above the Sun's surface. ... Chromospheric features . Coronal features . ... dense clouds of material suspended above the surface of the Sun by magnetic field line loops . ...

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• Energetic Particles
• The Acceleration of the Aurora
• Pi 2 [Oulu]

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Flights Chronology . ... Acquiring new scientific information about the role of the right and the left heart in adaptation of the blood circulation system to long-term space flight conditions. ... Investigation of relations between hemodynamic and energetic characteristics of the heart in different phases of a long-term space flight. ... Data carrier "Cardiovector - Data". ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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... Unsafe act - a behavioral departure from an accepted, normal, or correct procedure or practice which, in the past, has produced injury or property damage or which has potential for doing so in the future; an unnecessary exposure to a hazard; conduct reducing the degree or safety normally present in an activity. ... Any hazardous unsafe condition, or act that presents a situation of imminent danger to life and/or property requires urgent action. ...

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• ARC 3.5m | Closure Conditions

... 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....

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• Relations
• Biases
• Vertical Structure of the Secondary: Hydrostatic Model

... At the nebula's center is an ultra-dense neutron star that rotates 30 times a second. ... Our Galaxy in Stars, Gas, and Dust . ... The red nebulae visible in the above contrast-enhanced picture are primarily emission nebulae, glowing clouds of hydrogen gas heated by nearby, bright, young stars. M83: A Barred Spiral Galaxy . ... The Quintuplet Cluster is located within 100 light-years of the Galactic center, and is home to the brightest star yet cataloged in our Galaxy: the Pistol Star. ...

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• Supernova 1994D and the Unexpected Universe
• Rays from an Unexpected Aurora
• Unexpected Comet Pojmanski Now Visible

... The new emission line galaxies are listed in Table 2 containing the following information: . column 1: The object's IAU-type name with the prefix HS. ... This was not corrected in the figure shown in Appendix A. HS1214+3801 : This is seemingly a supergiant H II -region at the very rim of the nearby edge-on disc galaxy (SA(s)cd) NGC 4244 (V hel = 224 kms -1 and B T =10.88). ... To check this option one needs a detailed map of the NGC 4244 velocity field including HS 1214+3801. ...

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• Summary of the present status of the survey
• Equations of condition
• HyperLEDA documentation: HyperLEDA: catalogue of agnclass (a109)

The Chi-Square Goodness of Fit Statistic . This statistic enables us to test whether observed frequencies are close to . those we would expect. ... Expected frequencies . ... For example, if we . have an honest die we would expect 1/6 of all cases to show any of . ... So, for example, if we roll a die 60 times we would expect : . ... If we actually roll a die 60 times we wouldn't expect each of the faces . ... times each face actually comes up is the observed frequency for that face. ...

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• U of O High Energy Physics Seminars
• Astro-2 and the UIT Experiment
• What should I know for the Midterm?

... Proposal Type: General Category: Observation Category: Time Requested this semester: Hours Next Semester: Hours already used for this pro ject: Additional Hours required to complete pro ject: Minimum Useful Time: Expected Data Storage: Prop osal Title: ABSTRACT: Regular Astronomy Extragalactic 22 10 3 hours less than 100 GB The Baryonic Content of Extremely Low Mass Galaxies We propose continued HI observations of low mass galaxies to better quantify the galaxy mass function. ...

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• Common Holidays in Relation to Equinoxes, Solstices Cross-Quarter Days

... 2001 December 1 . Neptune's Great Dark Spot: Gone But Not Forgotten . Credit: Voyager Project, JPL , NASA . Explanation: When NASA's Voyager 2 spacecraft flew by distant Neptune in August of 1989, astronomers were shocked. ... One of the most spectacular discoveries was of the Great Dark Spot , shown here in close-up. ... The Voyager data also revealed that the Great Dark Spot varied significantly in size during the brief flyby. ... About APOD | ...

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• APOD: 2005 November 20 - Rays from an Unexpected Aurora
• APOD: 2002 August 5 - Rays from an Unexpected Aurora
• APOD: 2006 March 6 - Unexpected Comet Pojmanski Now Visible

INTRODUCTION TO STUDY OF DECEMBER 22-23, 1996 EVENT: INTERBALL Multi-Satellite and Multi-Instrument Observations . ... Brief review of observations . ... Orbits of INTERBALL/Tail Probe and GEOTAIL for December 22-23, 1996, are shown in Fig.12 in GSM frame. ... If we study the difference between model and measured magnetic field along Auroral Probe trajectory (see Fig.16 ) we can find that the magnetic field discrepancies are observed simultaneously with ion injections at ~ 16:40 UT on December,1996. ...

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• The Acceleration of the Aurora
• Close-up of the Aurora
• The Io Dynamo

Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... December . ... December, 2013 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...

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... the time of observation . ... Observing the Changing Position of the Sun To Establish Cardinal Directions . ... Observations of the Sun's apparent movement across the sky and its pattern of rising and setting in the east and west horizon helped to establish the cardinal directions. ... The final stage of the Sun's return was marked by the observation that the Sun had reached its highest altitude when the full width of your mitted hand could fill the gap between the Sun and the horizon. ...

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• ASP: AstroCappella - A Musical Exploration of the Universe
• ASP: Education Newswire
• ASP: Light Pollution

... We compare our results with the GRANAT X-ray observations of the Galactic center (Churazov et al. ... It is instructive to compare our results for the Galactic center starburst with what might be expected for a continuous star formation, with the average rate characteristic for the whole Galaxy. For this continuous star formation model, we would expect to observe in the region of around the Galactic center about 10% of the total number of X-ray sources in the Galaxy. ...

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• PSR B0042-73 in the Small Magellanic Cloud
• Massive X-ray Binaries
• Spatial distribution of X-ray binaries at the Galactic center after the