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1. http://www.stsci.edu/ftp/documents/hsp-handbook/cp.update
These comments apply to the HST Call for Proposals dated May 1990. page 3, table 2-1: change HSP version from 1.1 to 3.0 page 30, table 11-1(c): delete 0.4 aperture (limiting mag is still about correct -- jwp) page 34: delete reference to 0.4 apertures change 50, 000 per second to 80, 000 per second replace sentence starting Brighter stars... with: Stars ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/ftp/documents/hsp-handbook/cp.update -- 1.7 Кб -- 10.11.1994
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2. Filters - Apache HTTP Server
... Apache HTTP Server Version 2.2 . ... This document describes the use of filters in Apache. ... The Filter Chain is available in Apache 2.0 and higher, and enables applications to process incoming and outgoing data in a highly flexible and configurable manner, regardless of where the data comes from. ... A wider range of applications are implemented by third-party filter modules available from modules.apache.org and elsewhere. ... There are two ways to use filtering: Simple and Dynamic. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/manual/de/filter.html -- 13.5 Кб -- 21.01.2013
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3. Amateur Telescope Makers of Boston
... Submitted by Al Takeda on 05/14/2014 15:05:01 . Jellyfish Nebula (IC443) – Narrowband Hydrogen-alpha . While testing a new coupler/adapter for the STL6303E CCD camera, I imaged the Jellyfish supernova remnant using a 5nm narrowband Hydrogen-alpha filter. The bright star near the “head” is 7 – Eta Geminorum. 5nm Narrowband H-alpha filter, 10 images x 600-second sub frames, binned 1x1, Total= 1 hour and 40 minutes. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
[ Сохраненная копия ]  Ссылки http://www.atmob.org/gallery/showimage.php?id=2529 -- 3.5 Кб -- 10.04.2016
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4. ASP: Eclipse Watching: Making a Solar Filter
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. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/41/filter.html -- 10.0 Кб -- 02.10.2012
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5. Galaxy Gallery Page III
Galaxies are diffuse objects which are imaged against a background of finite brightness and noise. Galaxies which have the maximum contrast with respect to this background are the ones that are first discovered. ... These galaxies have been missed to date but active surveys for them are underway. ... In this page we present several examples of these newly discovered Low Surface Brightness galaxies as well as examples of high surface brightness galaxies. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/sb.html -- 3.1 Кб -- 26.05.2000
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6. The AstroStat Slog Blog Archive Magnitude [Eqn]
... Archives . ... Differential Emission Measure [Eqn] . ... Astro 301, class 1, and it took all of 20 minutes of talk about stellar magnitudes to put that notion to permanent rest. ... Now, it turns out that the human eye perceives brightness on a log scale, so magnitudes are numerically similar to log (brightness). ... frac{5}{2}\log_{10}\left(\frac{f_{object}}{f_{standard}}\right) \,,$$ . ... frac{5}{2}\log_{10}\left(\frac{L_{object}}{4 \pi d^2}\frac{1}{f_{standard}}\right) \,.$ ... Chandra Blog . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/eotw-magnitude/index.html -- 22.9 Кб -- 01.03.2014
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7. Comments
XMM-Newton Science Analysis System . phasecalc (dscalc-2.6) [xmmsas_20080701_1801-8.0.0] . ... phasecalc is meant to be used in conjunction with evselect or xmmselect to perform second order filtering. phasecalc is not a general tool, in that it has a very specific knowledge of how to calculate the absoulte time of an event based on the XMM-Newton conventions. ... For a more generic tool to perform arbitrary math on binary tables see tabcalc ( ). XMM-Newton SOC/SSC -- 2008-07-02 ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/phasecalc/node10.html -- 4.0 Кб -- 02.07.2008
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8. http://www.naic.edu/~phil/lbw/filters/lbw_filter3b_nov05.html
... Step thru 1120 - 1720 in 100 Mhz junks. At each step do 3 one second integrations with cal off and then 3 one second integrations with cal on. ... 1320-1420 filter 3 (1230-1470) . ... When the data was analyzed the 1320-1420 polB had jumps in the cal deflection (relative to Tsys on Absorber). ... This is the 1320-1420 Mhz band with filter 3 in. ... This jump was also seen in the lbw cal measurements done on 10jun05 while on absorber (see: caldeflection/Tsys for the 9 passes (.ps ) ( .pdf ). ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~phil/lbw/filters/lbw_filter3b_nov05.html -- 4.8 Кб -- 11.03.2006
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9. http://www.astro.louisville.edu/shared_skies/archive/select/messier/m110/20121121/log.txt
m31 _B_00098_df.fits TARGET = ' M31 ' / target EXPTIME = 100 . / exposure time (seconds) FILTER = ' (2) B (375-490)' / filter DATE-OBS = ' 2012-11-22T00 :40:42.618' / date of observation (UT) m31 _B_00099_df.fits TARGET = ' M31 ' / target EXPTIME = 100 . / exposure time (seconds) FILTER = ' (2) B (375-490)' / filter DATE-OBS = ' ...
[ Сохраненная копия ]  Ссылки http://www.astro.louisville.edu/shared_skies/archive/select/messier/m110/20121121/log.txt -- 3.8 Кб -- 24.11.2012
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10. Improvements in Filter Design for Removing Galactic ``Cirrus'' from IRAS Images
... Next: Star Finding and Up: Image Restoration and Previous: Multiresolution and Astronomical . ... Design improvements continue to be made in the filter developed using mathematical morphology principles for the Infrared Astronomical Satellite ( IRAS ) images. The purpose of this filter is to eliminate Galactic cirrus emission from extragalactic fields. ... With an appropriate normalization, the filter curve was applied to each pixel in the image to remove the Galactic cirrus. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass94/basartj.html -- 11.6 Кб -- 03.11.2000
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11. Светофильтры - Celestron LPR (Light Pollution Reduction), Baader UHC-S
... Обзор LPR фильтра. Впечатления от наблюдений с LPR фильтром. ... Характеристики цветных фильтров Baader-Planetarium . Мой перевод pdf- файла о фильтрах с сайта Baader-Planetarium (379 кб) . ...
[ Сохраненная копия ]  Ссылки http://www.shvedun.ru/filters.htm -- 33.2 Кб -- 09.04.2016
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12. Pre- and Post-Correlation filters
... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... ATCA | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/people/Michael.Kesteven/INTMIT/ska_rfi/sld017.htm -- 51.7 Кб -- 28.02.2014
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13. http://www.apo.nmsu.edu/Telescopes/ARCSAT/ObsSchedules/arcsat_may2015/AS08.html
... ARCSAT ID NUMBER: AS09 DESCRIPTIVE TITLE: Monitoring H-alpha Variability in Be Stars in Young Clusters PI: Steven Souza (Williams College) OBSERVER(S): Steven Souza UNCERTIFIED/UNTRAINED OBSERVERS: summer research students Hallee Wong (Williams College '18), Aylin Garcia Soto (Wesleyan University '18) COLLABORATORS: none CONTACT INFORMATION: Steven Souza; ssouza@williams.edu; 413-441-9892 TIME REQUESTED: My request is for one week total during Q3. ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/Telescopes/ARCSAT/ObsSchedules/arcsat_may2015/AS08.html -- 4.2 Кб -- 06.05.2015
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14. How Venus will kill you in less than 10 seconds | Astronotes
... By admin September 24, 2010 Posted in: Planets . ... Although it is hard to imagine technology that could enable people to survive on Venus that has not stopped a few science fiction tales from describing humans visiting or settling on the surface of Venus; the TV series Space Odyssey (2004) and Defying Gravity (2009) had near future astronauts in armoured spacesuits making brief EVAs on the planet. ... I googled ?on venus, what would kill you first?? and this page was the number one result. ...
[ Сохраненная копия ]  Ссылки http://www.armaghplanet.com/blog/how-venus-will-kill-you-in-less-than-10-seconds.html?replytocom=955139 -- 51.0 Кб -- 10.04.2016
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15. The 2.3m Imager S/N Calculator
. FILTER U B V R I . Moon Phase DARK GREY BRIGHT . magnitude: . seeing (arcsecs): . need help, send comments to brian@mso.anu.edu.au
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/~brian/2.3m_imager_SN.html -- 2.0 Кб -- 01.10.2012
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16. The International Space Station becomes the second brightest object in the
... Armagh Observatory, 24th March 2009: The International Space Station ( ISS ) has recently become the second brightest object in the night sky тАФ even brighter than the planet Venus, and second only to the Moon. Evenings will provide the chance of a spectacular view, if the sky is clear, as for the next few days the orbit of the ISS around the Earth repeatedly takes it over Ireland. ... At its best, it is now the second brightest object in the night sky. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/scholars/iya/official_press_releases/iss.html -- 9.9 Кб -- 31.12.2009
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17. Nove in M31 2, 1998
Nova 1998 2 in M31 this image of the second Nova in M31 in 1998, was made from 38 exposures of 45 seconds integration time. It was made at September 21, 22h 20m UT. Telescope was a CG11 at f/6.3, no filters were used. The long list of processing steps caused the artefacts at the overexposed center of the galaxy and in many of the brighter stars. During the exposures thin clouds covered the sky but the CCD cuts through them, allowing me to obtain this result. ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/mirrors/isn/snimages/nm3198n1.html -- 2.3 Кб -- 22.12.2007
[ Сохраненная копия ]  Ссылки http://www.rochesterastronomy.org/SNIMAGES/nm3198n1.html -- 2.3 Кб -- 10.04.2016
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18. Meade Instruments Corporation - Pictor 616A Color Filter System
... Meade Instruments Corporation . ... Meade Pictor 616A Color Filter System Instruction Manual . ... Remove the Meade Pictor 616A Color Filter System from the telescope or camera. Use the supplied hex wrench to remove the three screws from the telescope side of the Meade Pictor 616A Color Filter System. Position your Meade Pictor 616A Color Filter System to align with the diagram below. ... Carefully screw each filter into the wheel, and re-assemble the Meade Pictor 616A Color Filter System. ...
[ Сохраненная копия ]  Ссылки http://www.meade.com/manuals/616a/index.html -- 13.8 Кб -- 10.11.2012
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19. Detection of unique bright radio flare of X-ray binary
... The Galactic low-mass X-ray binary GS 2023+338 was discovered during the burst on May 22, 1989 with the Japanise satellite Ginga (aka Galaxy). The flux reached 17 crabs (this unit of flux measurement is an bright X-ray source, Crab Nebula) at 10-35 keV. ... No other radio telescope worldwide carried out multi-frequency measurements. ... Upon 14 days the radio flux fell below the detection level at the RATAN-600 in relation to the decrease of the X-ray flux. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/Doc-en/SciNews/2016/Trushkin/ -- 8.4 Кб -- 10.04.2016
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/Doc-en/SciNews/2016/Trushkin/ -- 8.4 Кб -- 10.04.2016
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20. ASTROMETRIA
... BOM2 and the basic block of solar limbograph including pointing and control systems ? ... Fine tracking platform (FTP) for Sun tracking by the sight axis of the limbograph; . ... Tracking system frequency ? ... Controller of the control system and solar fine tracking of the sight axis of the limbograph; . ... The basic relative construction of the elements and instrumental blocks of the "Astrometria" space experiment is shown on the block diagram of units within the complex of SL-200 solar...
[ Сохраненная копия ]  Ссылки http://www.gao.spb.ru/english/astrometr/1_eng.html -- 10.2 Кб -- 26.12.2009
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