ATMoB "Messier Marathon Award " Guidelines Purpose: To promote observing among the membership of the Amateur Telescope Makers of Boston through participation in an all-night Messier Marathon. ... For each Messier object observed, check the space in the "Seen" column on the attached Messier Checklist and note the time and method of observation. ... Challenge Levels: Beginner Intermediate Master Observe and record information on 25 Messier objects in the attached worksheet. ...

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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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... 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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Shakht N.A., A.A.Afanas'eva, D.L. Gorshanov, E. V.Poliakow (Pulkovo Observatory, Russia): Title: Long-term photographic observations for selected objects of Pulkovo program: measurements and results. Abstract: The selected objects, observed at Pulkovo observatory during long time period have been of intense interest among astronomers, and now they are the most important aims for space investigations. ... Now we believe, that they also are interesting for observation during space mission Gaia. ...

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GTK+ / Gnome Application Development . ... Appendix A describes the GTK+/Gnome object hierarchy; it should help you find the widget you need for a given application. Appendix B is a guide to the GTK+ and Gnome header files. Appendix C answers some frequently asked questions; Appendix D points you to some useful online resources; and Appendix E contains code listings for examples used in the book. ... GTK+/Gnome Object Hierarchy . Table of Header Files . Frequently Asked Questions . ...

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... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Our Galaxy . ... Stars . ... Space Flight . ... This activity is believed to be promoting the unusually high rate of star formation seen in M82. ... Radio image of M82 made with the MERLIN and VLA telescopes. Insets show MERLIN images from April 25th and May 3rd 2009 demonstrating the sudden appearance of the mystery object.€а All images are at a frequency of 5 GHz. ... Mystery object in Starburst Galaxy M82 . ...

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Other groups working on a similar program: . DANEOPS , the DLR-Archenhold Near Earth Objects Precovery Survey . Andrea Boattini - IASF-CNR . Giuseppe Forti - Arcetri Astrophysical Observatory . ... Maura Tombelli - Montelupo Observatory (code 108) . ... The PHA 2000 LY27 was located on June 14, 2000 on a Siding Spring photographic plate copy available at Arcetri Observatory. ... The location of 2000 BF19 on a POSS-2 plate marks the beginning of regular access to the Arcetri Plate Library. ...

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... Hoags Object: A Strange Ring Galaxy . ... Credit Copyright: R. Lucas ( STScI / AURA ), Hubble Heritage Team , NASA Explanation: Is this one galaxy or two? ... How Hoag's Object formed remains unknown, although similar objects have now been identified and collectively labeled as a form of ring galaxy . ... The above photo taken by the Hubble Space Telescope in July 2001 revealed unprecedented details of Hoag's Object. ... Publications with words: ring galaxy . ... Ring Galaxy AM 0644 741 from Hubble ...

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... A radio galaxy is a galaxy that emits an unusually big amount of energy at radio wavelengths. ... Inside of each galaxy with an active nucleus (radio galaxies are among them) there must be a system of a "central machine" responsible for the colossal amount of the emitted energy from radio to gamma ranges. ... Sometimes a radio source in an active galaxy may flare again if the needed conditions appear (a new portion of matter would fall into the furnace of the "central machine"). ...

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... 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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... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

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... For each observed position the table contains designation of object as in file of observations, the time of observation, the number and name/ preliminary designation of minor planet supposedly identical with observed object, the values of O – C (observed position minus computed one) in right ascension and declination expressed in arcsec, the difference O – C between observed magnitude and computed one, the code of observatory in the Observatory list (see Observatories section). ...

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Asteroids, Comets, Meteors (2008) 8010.pdf SPECTRAL SIGNS OF CARBONACEOUS CHONDRITIC MATERIAL ON (21) LUTETIA V.V. Busarev, Sternberg Astronomical Institute (SAI), Moscow University, Universitetskij pr., ... We have discovered considerable variations in the continuum slope and shape of the visible-range reflectance spectra of the asteroid with rotation in November 2004 (4/5, 5/6 and 7/8) and March 2006 (3/4). ... Resulting normalized (at 0.55 m) and smoothed reflectance spectra are shown in Fig. ...

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• Vladimir V. Busarev

... The night sky observatory supports the versatile ARC 3.5-m telescope which studies a variety of astronomical objects using synoptic programs requiring many short observations over long periods, as well as responding quickly to targets of opportunity; and, the Sloan Foundation 2.5-m telescope which continues its internationally-recognized survey programs by exploring dark energy, the dynamics and evolution of the Milky Way Galaxy, and the architecture of planetary systems. ...

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... Observatory has four telescopes: . ... Zeiss-300 (D=300mm F=4500mm), visual . AVR-1 (D=200mm F=3000mm), visual . ... AZT-7 (D=200mm F=900mm), photometer . ... Zhujko Sergey V. Burlak Alexander N. Volod'ko Dmitry G. Pakhomov Yuriy V. Objects of research: . ... Variable stars . ... Moon . Covers stars by Moon . Field of research: . ... Questions and comments please mail to pakhomov@sai.msu.su . Yury V. Pakhomov . pakhomov@sai.msu.su . ...

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Eyepieces Forum Message . ... Moving Objects.. ... Posted by Anthony on January 10, 2003 17:41:38 UTC . ... That's true of all Dobs - bobsal - January 10, 2003 - 18:54 UTC . I'd still buy the Dob - danieldgj - January 14, 2003 - 01:03 UTC . Decisions, Decisions - Help Requested.. - imhotep - January 14, 2003 - 17:03 UTC . ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...

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... The Phase II Language for the Hobby # Eberly Telescope Niall I. Ga#ney Hobby # Eberly Telescope, RLM 15.308 University of Texas, Austin, TX 78712, Email: niall@astro.as.utexas.edu Mark E. Cornell McDonald Observatory, RLM 15.308 University of Texas, Austin, TX 78712, Email: cornell@puck.as.utexas.edu Abstract. ... We have developed a language in which investigators can describe their observations, a simple method for submission, and tools to execute observations. ... These templates are: . ...

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