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1. APO Home Page
... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/ -- 13.9 Кб -- 11.02.2016
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2. Spectral-Line Observing
... We will consider the rms, (K), for observations with a receiver of system temperature, T , frequency resolution, per polarization, and total integration time per observing cycle, . ... For ``in-band'' frequency switching, the line under investigation is always in the observing band. ... Position Switching or ``Out-of-Band'' Frequency Switching: Here the line is only observed for one half of the time, with noise being present all of the time. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~astro/guide/node15.html -- 10.0 Кб -- 22.02.2012
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3. Light Curve Templete/Observing Form For Visual SNe Observers.
... The following charts/text are intended as tools for monitoring the Type Ia supernovae ( SNe ) event visually or photographically (utilizing telescope equipped CCD equipment).The files include: A replication of The Type Ia SNe , V- magnitude (with data point checks from other cited references)and color index (B-V) templete (to indicate a general color-related trend of the type Ia ... I believe this might help alleviate some of the problems involving the making of acceptable amateur light curves...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/mirrors/isn/snecurv.htm -- 8.3 Кб -- 02.02.2012
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4. VISTA ETC - Exposure Time Calculator
... 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. ...
[ Сохраненная копия ]  Ссылки http://www.vista.ac.uk/observing/etc/index.html -- 15.1 Кб -- 28.03.2013
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5. XMM Science Objectives
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/user/sciobj/science_top.html -- 1.5 Кб -- 12.11.1998
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6. Siding Spring Survey Follow-up Obs
Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/~rmn/follow-u.htm -- 13.0 Кб -- 16.02.2005
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7. http://www.stsci.edu/stsci/meetings/planets/abs/prog16.html
... POINTS (Precision Optical INTerferometer in Space) measures the angle between two widely separated stars. The nominal bright-star measurement accuracy of 2 microarcsec is achieved in two minutes of observing two magnitude 8 stars. ... The wide separation between simultaneously observed stars makes POINTS a global astrometric instrument and provides three major advantages: (1) reference stars can be anywhere in a 6? by 360? band (5% of the sky). ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/stsci/meetings/planets/abs/prog16.html -- 5.2 Кб -- 22.10.1996
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8. Visibility Processing
Next: Summary of Imaging Strategies Up: Primary Beams and Mosaicing Previous: Mosaicing Observing Strategies . ... Splitting: As with conventional reduction, for calibration and imaging purposes, it is easiest in Miriad to split the data into datasets containing a `single source' and single frequency band. ... vis=mosaic.uv . ... Data Selection: With mosaic visibility datasets, the select=ra and select=dec selection sub-commands can be useful to extract or manipulate a subset of the visibility data. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/computing/software/miriad/userguide/node180.html -- 7.3 Кб -- 10.04.2016
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9. Description of the RadioAstron project, english version
... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...
[ Сохраненная копия ]  Ссылки http://www.asc.rssi.ru/RadioAstron/description/observations_eng.htm -- 9.5 Кб -- 10.05.2008
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10. ESO - ALMA
... ALMA . ... ARC Staff at ESO . ... The European ALMA Regional Centre (ARC) provides the interface between the ALMA project and the European science community. ... Below you can read the latest Announcements from the European ARC Network.. ... The call for 1-mm Very Long Baseline Interferometry (VLBI) proposals to use phased ALMA at Band 6 in Cycle 4, in collaboration with the Event Horizon Telescope Consortium (EHTC), will be released to coincide with the ALMA Cycle 4 Call for Proposals in March 2016...
[ Сохраненная копия ]  Ссылки http://www.eso.org/sci/facilities/alma.html -- 27.7 Кб -- 09.04.2016
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11. Lagrangian Points
... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wlagran.html -- 7.8 Кб -- 21.12.2007
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12. Amateur Astronomers Association of New York ? Amateur Astronomers Association
... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...
[ Сохраненная копия ]  Ссылки http://www.aaa.org/ -- 49.7 Кб -- 09.04.2016
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13. Lagrangian Points
... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/Education/wlagran.html -- 11.9 Кб -- 24.03.2006
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14. Amateur Telescope Makers of Boston
... See "About ATMoB" / "Network" for more details on the clubhouse network. ... Direct viewing of a laser-pointer beam, even briefly and at a distance of a kilometer or two, has the potential to cause temporary flash blindness — the same effect you get right after a flash photo is taken — or afterimages. ... To help use our laser tools safely, the Amateur Telescope Makers of Boston, Inc. has adopted these recommendations as policy. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
[ Сохраненная копия ]  Ссылки http://www.atmob.org/library/policies.php -- 7.7 Кб -- 09.04.2016
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15. lagrangian points | Astronomy.com
... Tonight's Sky . ... The Magazine . News . Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... lagrangian points . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/tags/lagrangian-points -- 56.4 Кб -- 09.04.2016
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16. A User Friendly Planning and Scheduling Tool for SOHO/LASCO-EIT
... Previous: Filtering KPNO LaTeX Observing Proposals with Perl . ... The Planning and Scheduling Tool was designed allow the user easily to take advantage of all available resources of the four telescopes (LASCO's three coronagraphs and the EIT Telescope) to maximize the use of the telemetry downlink. The Planning Tool allows users to develop customized observing sequences while monitoring compression factors and on-board processing times to realistically work within the limits of the instruments. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass96/paswaterss.html -- 8.8 Кб -- 23.06.1998
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17. Observing capabilities
... NICS will be the only infrared instrument for the first light of the TNG; as a consequence, we decided to incorporate a sufficient degree of operation flexibility by providing the instrument with six different observing modes, three aimed at imaging and three at spectroscopy: . ... It will be possible to use the narrow band filters as order sorters; this will allow to perform high resolution long-slit spectroscopy in the wavelength ranges covered by the available narrow band filters. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/irlab/instr/nics/generale/osserv.html -- 6.1 Кб -- 28.07.2005
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18. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...
[ Сохраненная копия ]  Ссылки http://www.badastronomy.com/bitesize/pantry.html -- 27.8 Кб -- 09.04.2016
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19. The Galaxy Gallery: Messier Objects
M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/messier.html -- 7.0 Кб -- 23.07.2004
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20. megalite
The Stone Age Observatory. It is well known that a lot of ancient constructions are oriented according to the cardinal points but not long ago scientists turned upon archeological monuments. ... The ancient monuments studied by archeoastronomy had been used for observing the sun and the moon. ... They are called megalits (from Greek "megas" - "great"; "litos" - "stone"). ... The Great Stonehang. ... Orby called it a Heel Stone because he had seen a small hole in it looked like a heel trace. ...
[ Сохраненная копия ]  Ссылки http://www.space.vsi.ru/megalite.htm -- 6.1 Кб -- 14.10.2000
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