View Edit Attributes History Attach Print Search . ... Observing . ... Documentation . ... PPTA timeline . ... Editing this wiki . ... Observing at Parkes is divided into two 6-month observing semesters, and proposed observations are listed in the current semester of the Parkes Observing Schedules and Rosters . ... Familiarise yourself with the current remote observing documentation listed below . ... Current PPTA remote observing documentation . John Sarkissian's Pulsar Remote Observing Guide . ...

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• PPTA Wiki | Observing / RFI
• PPTA Wiki | Observing / Details
• Problems with the details of the treaty

... The choice of the spectrograph design (Fig.2) is determined by the quantity R, the overall dimensions of the PF cage and the restrictions on the rigidity of the structure of the device. ... As the camera's objective a fast 4-lens aplanat is used having a focal distance F cam =140 mm and a relative aperture of 1:1.8, the resolution at the centre is no less than 80 gr/mm, that over the field at a distance of 3 mm from the edge along the frame ( ) diagonal is 35 gr/mm. ...

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• Introduction
• On the problem of high spectral resolution observations of faint objects

... When the digital low pass filter in the fpga is enabled. ... fpga,spectrometer,fileserver: . The mock spectrometer consists of a mock box (fpga, powerpc (ppc) spectrometer) connected to a file server . ... It inputs the data, computes the spectra and outputs to the ppc (which runs in the mock box. spectrometer: this usually refers to the ppc code running on the mock box (the prun program). ... The Mock diagnostics show that the problem only occurs when the fpga computes the spectra. ...

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• Spectral-Line Observing
• CIMA Common Problems
• AGES Observing Checklist for CIMA 3.0

... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > I heard about problems with the X-shooter wavelength calibration. Where can I find more information? ... Science Users Information . ... Observing with ESO Telescopes . ... Data Pipelines and Calibrations . ... Science Data Products Forum . ... ESO Data . ... ESO Data Access Policy . ... Users have reported wavelength shifts in both the telluric lines for VIS and NIR data and in the sky lines of NIR data. ...

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• ESO - Are there any known problems with XSHOOTER data?
• ESO - Are there any known problems with FORS1 data?
• ESO - Are there any known problems with FORS2 data?

... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Problems posed by massive stars . ... These questions were at least part of the motivation when CУЕssio Barbosa of Brazil's University of SУ?o Paulo and Donald Figer of the Space Telescope Science Institute in Baltimore surveyed observers and theorists to see what they believed were the most pressing problems concerning massive stars. ... Get instant access to subscriber content on Astronomy.com! ...

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• NASA investigates Hubble problem | Astronomy.com
• Data and doughnuts | Astronomy.com

IV International Astronomy Olympiad . ... Text of these problems is available also . ... To solve every problem you may use constants and well-known values you know by heart. ... The apparent diameter of the Moon, as seen from the Earth, is 31'. ... Can you observe a star with magnitude . ... Consider the stars as black bodies. ... Estimate the diameter of a black hole constructed using this patent from a ship with the mass of 5000 tn (1 tn = 1000 kg). ... What stars would you observe this nigth? ...

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• Problems of the 1-st International Astronomy Olympiad
• II International Astronomy Olympiad, Problems to solve
• X International Astronomy Olympiad

. First page Back Continue Last page Summary Graphics .

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• Procedures for Observations
• Observing capabilities
• Star Formation Group of the Arcetri Astrophysical Observatory

The problem of solar wind data correlation for the observations onboard several spacecraft is very important for three points of view: . ... This problem is studied now in detail by systematic determination of ion flux and ion velocity data correlations by INTERBALL-1 (IKI group), WIND and IMP 8 (both - MIT group). ... Solar wind plasma correlation lengths from IMP 8, WIND and INTERBALL-1. ... Correlation of solar wind observations onboard several spacecraft: INTERBALL-1, IMP 8 and WIND data. ...

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• Spacecraft Observing the Sun and the Heavens above
• Spacecraft Observing Earth's Space Environment
• CURRENT ASPECTS OF REMOTE SENSING OF EARTH FROM SPACE

. Contact Webmaster for web page errors, corrections, ommisions, and/or additions. This page last updated: June 28, 2006 - JMD . This page last checked: October 26, 2004 - JMD .

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• APO Home Page
• ARC 3.5m | Closure Conditions
• APO Telescope Documentation

... Despite the use of counterweights, I have had ongoing problems with preventing unwanted motion in altitude, particularly during star parties when everyone seems to want to lean on the telescope while observing. ... After some difficulties at a windy star party a few years ago at the Boston Museum of Science, I designed a simple and very effective altitude brake and slow motion control which can be assembled very quickly and at minimal cost. ... The other end of the arm attaches to a turnbuckle*. ...

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• Amateur Telescope Makers of Boston ATMoB Observing Awards Program

... Up: Algorithms . ... The imaging problem can be described as an optimizing problem in mathematics. ... Computer simulations of rotating modulation collimator imaging show that the quality of images from this method is better than that from the traditional cross-correlation method. ... The imaging problem is: . ... The results show that this algorithm can be used in the imaging problem and usually results in a better image than that obtained from a traditional method such as cross-correlation. ...

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• The NOAO Web-based Observing Proposal System
• Remote Observing with the Keck Telescope: . ATM Networks and Satellite Systems
• Filtering KPNO LaTeX Observing Proposals with Perl

... It is 1st August, and you are hoping to observe a number of bright galaxies from a catalogue. ... You used the normal Vega magnitude scale. You now want to compare your B-K colour against the published colours of another, supposedly similar star you found in the literature. Your colour: B-K = 3.43 Literature colour: B-K = 3.41 Unfortunately, when you read the small-print in the literature paper, you found that the published colour used AB-magnitudes, not Vega magnitudes. ...

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• Melted remains of Cassegrain spectrograph are on the remains of the observing
• University Problem Based Learning Exercises for Teaching Astronomy and Physics
• Problem Based Learning in Undergraduate Astronomy

... Posts tagged ?inverse problem? ... Soon it?ll not be qualified for [MADS] because I saw some abstracts with the phrase, compressed sensing from arxiv.org. ... MADS] compressed sensing? Tags: compressed sensing , ill-posed , image reconstruction , interferometry , inverse problem , MADS , Nyquist-Shannon sampling theorem . ... From arxiv/math.st:0708.0169v1 . Data-Driven Goodness-of-Fit Tests by L. Mikhail . ... ArXiv] Data-Driven Goodness-of-Fit Tests, Aug. ... SAMSI AstroStat Prog. ...

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• The AstroStat Slog Blog Archive [ArXiv] Data-Driven Goodness-of-Fit Tests, Aug.
• The AstroStat Slog Blog Archive Change Point Problem
• The AstroStat Slog change point problem

... 1999 . I полугодие . 2000 . ... 2001 . ... 2002 . ... 2003 . ... 2015 . ... Последнее обновление: 28/12/2015 ...

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• Galaxy sector, archive 2012

... Sun as a Source of Perturbation of Near-Earth Medium and Solar System Bodies. ... Tidal Influence of the Sun on the Earth. ... Structure of Solar Atmosphere. ... Observing Manifestations of Solar Activity. ... Forecasting of Solar Activity. ... Influence of Solar Activity on the Structure and Dynamics of Terrestrial Atmosphere. ... Problem of Mechanism of Solar-Troposphere Connections. ... Phenomenons in Auroral Zones of the Earth as a Result of the Sun Influence on the Terrestrial Atmosphere. ...

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• Theoretical Astrophysics

... 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 ? ...

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... Dr. Ravil Nazirov is the head of the workshop, and Andrew Ananjev is the secretary of the workshop. ... The workshop is used to be held in the last decade of the month, preferably on Tuesdays. ... The next session will take place October 29, 1996 . ... There is "CONPAS" mailing list which you can join to discuss issues of problem solving and to be automatically notified of important dates and decisions with respect to the coming sessions. ... Secretary of the Workshop: Andrew Ananjev . ...

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• Spacecraft Observing the Sun and the Heavens above
• Spacecraft Observing Earth's Space Environment
• From Stargazers to Starships

... Observing . ... This Month's Sky . ... This Month's Sky - 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... In cooperation with the New York City Department of Parks, the United States National Park Service, and other organizations, the Amateur Astronomers Association holds observing sessions at several locations in and around New York City. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by ...

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• Amateur Astronomers Association of New York ? Amateur Astronomers Association
• Observing Events ? Amateur Astronomers Association of New York
• High Line ? Solar Observing ? Amateur Astronomers Association of New York

... Why this is interesting: reasons for which astronomers get very excited around this time, and how your help can be valued for scientific research by Dr Apostolos Christou (Tolis), Armagh Observatory . Observing times . ... A variety of observing methods are suitable for the scientific study of mutual events. ... Time . The need for accurate time information is as important as the need for a reference object. ... International Year of Astronomy, Ireland National Node . ...

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• Terry Mosely's Bulletins
• Observing times | International Year of Astronomy in Ireland | Astronomy 2009
• Observing the Moon and Saturn with the Grubb telescope in Dunsink |

The XXVIII RadioAstron Meeting . ... November 18, Tuesday Meeting in ASC - Joint Working Groups Meetings . ... 9:00 - 13:00 Ballistic and Navigation, Mission Operations, Science Program . ... E.Fomalont, J.Romney (20 min) . Problems in development of technique to schedule science experiments in RadioAstron mission . ... Action items of the RISC meeting #27 and teleconferences . ... General status of the mission . ... Preparation of agenda/topics for the executive (RISC) meeting 20 Nov (30 min) . ...

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• Contingency Plans
• Ground Radio Telescope (GRT) Products
• Description of the RadioAstron project, english version