. This is a new popup window - close it when you are done . Submitted by Mario Motta M.D. on 05/31/2008 00:58:37 . M13 . Greatest cluster in Northern Sky . Logon to post a follow-up comment or review comments from others . Copyright (c) Amateur Telescope Makers of Boston, Inc. About Us Contact Us

Еще в разделе: (Показать все результаты (>67905) - www.atmob.org/ )

... A closer look at the Eagle Nebula, however, shows the bright region is actually a window into the center of a larger dark shell of dust. Through this window, a brightly-lit workshop appears where a whole open cluster of stars is being formed. ... NGC 281: Cluster, Clouds, and Globules . ... Prominent features include a small open cluster of stars, a diffuse red-glowing emission nebula, large lanes of obscuring gas and dust, and dense knots of dust and gas in which stars may still be forming. ...

Еще в разделе: (Показать все результаты (>118621) - www.astronet.ru/ )

... Tonight's Sky . ... Sky this Month . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Sky Events . ... Tour the Deep Sky . ... Observing springtime deep-sky objects with a large telescope . ... How large a body would it take to make a crater as wide as the Gulf of Mexico? ... The Gulf of Mexico is the result of plate tectonics, or "continental drift," in which the plates comprising the Earth's crust change position over time. ... Get instant access to subscriber content on Astronomy.com...

Еще в разделе: (Показать все результаты (>6541) - www.astronomy.com/ )

• Web Extra: Astronomers animate one of the largest galaxy clusters ever observed
• ALMA makes the worldт??s first interferometric map of carbon atoms |
• The Very Large Survey Telescope captures collisions in young galaxy cluster |

You Can Make Stellar Images Brighter . Articles | ... A few months ago I wrote an article titled "You Can’t Make Them Brighter". So why am I now writing that you can make them brighter. ... The image of a focused star is actually a small disk called the Airy disk, named after the 19 th century scientist Sir George Airy. ... For a given aperture, a smaller Airy disk means that the light is focused to a smaller disk and is therefore brighter. ... www.astronomy.net . About Astronomy Net | ...

Еще в разделе: (Показать все результаты (>2269) - www.astronomy.net/ )

• Amateur Telescope Makers Of Boston - Atmob, AstroGuide Listing
• You Can't Make Stellar Images Brighter - an Astronomy Net Article

adapted from Observe: Eclipses, published in 1979 by the Astronomical League and "Safe Solar Filters," by B. Ralph Chou, Sky and Telescope, August 1981) . ... Tape TWO pieces of film together into a sandwich, and tape this over the opening in the cardboard. ... The cardboard frame will act as a shade from the bright Sun, while you safely observe through the film sandwich. ... Undeveloped film is not safe. ... tape . ... At the end of one of the tubes, tape the aluminum foil, and make a tiny pinhole. ...

Еще в разделе: (Показать все результаты (>1398) - www.astrosociety.org/ )

• ASP: Making Your Own Astronomical Camera
• ASP: A Taste of Real Astronomy ? The ESA/ESO Astronomy Exercises
• ASP: Making a Rainbow

... Archives . ... Another deduced conclusion from reading preprints listed in arxiv/astro-ph is that astronomers tend to confuse classification and clustering and to mix up methodologies. They tend to think any algorithms from classification or clustering analysis serve their purpose since both analysis algorithms, no matter what, look like a black box . ... Category: Algorithms , arXiv , Astro , Bad AstroStat , Cross-Cultural , Data Processing , Frequentist , Jargon , Methods , Stat | ...

Еще в разделе: (Показать все результаты (>4476) - hea-www.harvard.edu/ )

• Comments on: The Banff Challenge [Eqn] By: hlee By: Paul B By: vlk By: brianISU
• The AstroStat Slog Blog Archive Another exciting news (with no use)
• The AstroStat Slog Blog Archive The LRT is worthless for ?

Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Other Galaxies . ... Telescopes and Observatories . ... Everyone loves stunning pictures of spiral galaxies,€а I have said this before and will no doubt say it again. The folks at the European Southern Observatory (ESO) know this too, and their latest public image release is a bumper set of serenely spinning spirals. ... Tweets that mention Six glorious spiral galaxies seen by the European Southern Observatory. ...

Еще в разделе: (Показать все результаты (>2814) - www.armaghplanet.com/ )

• Accesibility
• Other Galaxies | Astronotes - Part 2
• HST | Astronotes - Part 4

... 2000 January 12 . NGC 6791: An Old, Large Open Cluster . ... Explanation: NGC 6791 is one of the oldest and largest open clusters of stars known. ... Open star cluster NGC 6791 , however, contains thousands of stars recently measured to be about 8 billion years old. ... This enigma makes NGC 6791, pictured above , one of the most studied open clusters and a possible example of how stars might evolve in the centers of galaxies. ... About APOD | ...

Еще в разделе: (Показать все результаты (>8515) - www.arcetri.astro.it/ )

• IRAS Image Of The Large Magellanic Cloud
• mod_request - Apache HTTP Server
• How to make sockets work whilst my process is in kernel mode?

Title: A Dark-Matter Spike at the Galactic Center? Authors: Piero Ullio , HongSheng Zhao , Marc Kamionkowski . ... Title: The Galaxy Environment of Quasars in the Clowes-Campusano Large Quasar Group at z~1.3 . ... Title: The Galaxy Environment of a Quasar at z=1.226: A Possible Cluster Merger . ... 16 matches for the search pattern galaxy environment . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/galaxy+environment/0/1/0/past,all/0/0 www-admin@xxx.lanl.gov ...

Еще в разделе: (Показать все результаты (>41) - sed.sao.ru/ )

• astro-ph authors/title/abstract search for 'galaxy cluster' (skipped 200) all

... Up: Surveys & Large Scale Data Management . ... The CoCat (Co-processor Catalogue) project main goal is to parallelize the VizieR large catalogue treatments (data extraction, cross-matching) for reducing the response time. ... Figure 2: The CoCat cluster. As the Sun server is becoming overloaded we decided to move the set of large catalogues to a Linux cluster (the CoCat cluster). ... The CoCat cluster involves one master node and five slave nodes (Fig 2 ). ...

Еще в разделе: (Показать все результаты (>1882) - www.adass.org/ )

• VLT Data Quality Control
• Object Detection Using Multi-Resolution Analysis
• Methods for Structuring and Searching Very Large Catalogs

CONTENTS Volume 22 Number 1 (January 1995) . ... SPECTROSCOPY OF B STARS IN THE SMALL AND LARGE MAGELLANIC CLOUDS . ... THE STRUCTURE OF THE INTERSTELLAR MEDIUM TOWARDS THE GLOBULAR CLUSTER M4 . ... E. R. Houdebine & J. G. Doyle . UBV CCD PHOTOMETRY TOWARDS THE HALO OF M31 . ... A. G. Gunn & J. G. Doyle . ... 1995-1999 Irish Astronomical Journal, Downshay, 12 Heather Lea Avenue, Dore, Sheffield S17 3DJ, S. Yorkshire, United Kingdom WWW Contact: Alastair G Gunn Back to IAJ Home Page ...

Еще в разделе: (Показать все результаты (>2811) - star.arm.ac.uk/ )

• E-Science
• Did the world's largest telescopes survive the earthquake? | OASES Over us All
• Southern African Large Telescope (SALT)

Next: Header files Up: Programming in C Previous: Exercises . This Chapter deals with theoretical and practical aspects that need to be considered when writing larger programs. When writing large programs we should divide programs up into modules. These would be separate source files. main() would be in one file, main.c say, the others will contain functions. ... UNIX utilities such as make help us maintain large systems (see later). Header files . ... The Make Utility . ...

Еще в разделе: (Показать все результаты (>1363) - jet.sao.ru/ )

• Make macros
• Running Make
• [NEdit] FAQ: Editing techniques

... Day-by-day lines contain complete set and intended for those who have been there (I mean, in Kyoto :) . ... Large format is mainly for 1600x1200 screens and fast link (pictures are up to 150K in size). Normal is for typical 1024x768 screen (i.e. 15" monitors). ... Photos look incredible on it. ... Large . ... Normal . ... Thumbnails . ... Contents with thumbnails: Large | ... Nara, one of the historical cities of Japan . ... August 17, Sunday. ... Nara. ... return to photo album contents | ...

Еще в разделе: (Показать все результаты (>7194) - crydee.sai.msu.ru/ )

• Boston, USA, June 1998. City streets: page 6

... According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. ... The polar ring galaxies (PRGs) reveal external rings or disks of gas, dust and stars rotating in a plane roughly perpendicular to the disk of the central galaxy. ... The shape of the dark halo in the model was chosen so as to achieve the best fit to the observed rotation of both galaxies themselves and their polar rings. ... The SPRC-7 galaxy. ...

Еще в разделе: (Показать все результаты (>295) - mavr.sao.ru/ )

• Electronic version of Russian Bulletin
• topic_en
• Large telescopes application form

... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

Еще в разделе: (Показать все результаты (>557) - hea.iki.rssi.ru/ )

• Spectrum-Roentgen-Gamma - The astrophysical Project at IKI RAN

... 4.4 Imbedding HTML in a Document . In the following discussion of SPECIAL processing
, I will assume that rtftohtml has not been customized. If it has, the text styles used to create special effects may be different. ... Normally, if your RTF document contained the text "<cite>hello</cite>", the translator would output this as: "&lt;cite&gt;hello&lt;/cite&gt;". ... If, however, you want the <cite></cite> to be interpreted as HTML markup, you must format the tags using Hidden and Shadow. ...

Еще в разделе: (Показать все результаты (>294) - comet.sai.msu.ru/ )

• Making a tarfile smaller
• UNIX file system
• Examples of creating files

... CREO plans to produce an optical tape storage system with a capacity of 1000 GBytes per tape. ... The drive fits in one rack and average power consumption is 1000 W single phase. ... Hence the drive will just do the job if we store raw data, and with a moderate amount of data compression before storage, we will get a comfortable margin. ... We were concerned about drive reliability. ... The Exabyte 8 mm drives currently available write 2 GByte at a maximum data rate of 0.25 MByte/second. ...

Еще в разделе: (Показать все результаты (>713) - www.apo.nmsu.edu/ )

• Procedure to Collimate the SDSS 2.5m Secondary Mirror
• MILT Multiple Instrument Large Telescope
• op010411

Participant 5 (P5) ================== Dr. V.P. Tishkovets - Astronomical Observatory, Kharkov University, UA Dr. N.N. Kiselev - Astronomical Observatory, Kharkov University, UA P.V. Litvinov - 26 years old; Astronomical Observatory, Kharkov University, UA S.A. Beletsky - 28 years old; Astronomical Observatory, Kharkov University, UA The head of the team, Dr. Tishkovets, and Mr. Litvinov made many investigations of light scattering by clusters of particles - analogues of interplanetary dust grains. ...

Еще в разделе: (Показать все результаты (>301) - www.astro.spbu.ru/ )

• Wavelet references

... After the edit, recompile the kernel and recompile the Apache server then reboot. ... If you're running a really busy BSD Apache server, the following are useful things to do if the system is acting sluggish: . ... Maximum # of processes . ... This machine is a server that handles lots of traffic, # so we crank that value. options NMBCLUSTERS=4096 # mbuf clusters at 4096 # # Misc. options # options CHILD_MAX=512 # maximum number of child processes options OPEN_MAX=512 # maximum fds (breaks RPC svcs)...

Еще в разделе: (Показать все результаты (>108) - neptun.sai.msu.ru/ )

• Apache Server Virtual Host Support
• Performance Tuning Tips for Digital Unix
• Apache module mod_unique_id

... Catalog . Publications . ... Koposov, S., Glushkova, E., Zolotukhin, I. 2008: Automated search for Galactic star clusters in large multiband surveys. ... BibTeX entry ] . ... Glushkova, E.V., Zabolotskikh, M.V., Koposov, S.E., Spiridonova, O.I, Vlasyuk, V.V., Rastorguev, A. S. 2010: Photometry of the poorly studied galactic open star clusters King 13, King 18, King 19, King 20, NGC 136, and NGC 7245 , Astronomy Letters, 36, 75 . ...

Еще в разделе: (Показать все результаты (>222) - ocl.sai.msu.ru/ )