... The methane band quad filter, known as the jewel-quad, was designed for a four-faceted WF/PC configuration to permit imaging with both four WFC CCDs and four PC CCDs. ... PC imaging with all four elements of the methane band jewel-quad cannot be recovered, but partial SOFA wheel rotations of -15 degrees and +15 degrees are implemented to recover two of the four methane band filters (8929 and 6193 ). ... The filter projections associated with the methane band jewel-quad are shown in Figure 3.8 . ...

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• Polarizer Quad Filter
• Redshifted [OII] Quad Filters
• Linear Ramp Filters

Digital FIR Decimating Filter for GALFA Spectrometer Documented by Wonsop Sim, July 30th, 2004 Introduction: The GALFA Spectrometer Board requires a decimating FIR filter to reduce the bandwidth from 100MHz by a factor of fourteen to 7.14MHz. ... A filter with symmetric coefficients can reduce the number of multiplies in half by pre- adding input samples. ... The coefficients have been grouped so that they correspond to the fourteen pre- added input samples that are calculated in a filter section. ...

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• GALFA Documentation
• GALFA System Description
• WAPP Hardware Page

... 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. ...

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• Automated Globular Cluster Photometry with DASHA
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• An Extragalactic Point Source Simulator for SIRTF Pipeline Testing

... It includes level converters and a optional radio modem designed to decode the radio timecode signals transmitted by the Canadian time and frequency station CHU. A complete set of schematics, PCB artwork, drill templates is in the pub/ntp/gadget.tar.Z file on ftp.udel.edu. ... One of these converts a TTL positive edge into a fixed- width pulse at EIA levels and is for use with a timecode receiver or oscillator including a TTL PPS output. ... See the schematic diagram gadget.s01 for reference. ...

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... Staff . ... Friends of Arcetri . ... Arcetri designs innovative superconductor microwave filters for the Sardinia Ratio Telescope . ... A new microwave component based on HTS technology has been presented in a recent issue of the Journal of Astronomical Instrumentation, produced by World Scientific Publishing Company, in the article тАЬ A high temperature superconductor microwave filter working in C-band for the Sardinia Radio Telescope тАЭ by Pietro Bolli and collaborators (Fig.1). ...

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• Fasti Rationale
• Filters - Apache HTTP Server
• LonGSp: Optical Design

... IRPS is the small size infrared photometer with detector cooled by liquid nitrogen . IRPS was designed as the instrument for work with optical systems with angular apertures . ... Multichannel preamplifiers (N*8) are designed for use with IR and mm wave detectors arrays. ... Thermoelectric cooling system is designed for use with IR detectors. ... IR photodetector modules with detectors cooled by LN2. ... Gas cooled radiation shield optical cryostat, IR detectors. liquid nitrogen capacity 1.2 ltr. ...

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• Optical systems and devices

... Parameters . Filters . ... Direct images . ... The SCORPIO-2 project: . Spectral Camera with Optical Reducer for Photometric and Interferometric Observations - 2 . The broad-band glass filters made in SAO RAS are used for the observation in the Johnson-Cousins (UBVRI) photometric system in the direct images mode. The glass filters transmission curves are shown by solid line. ... The filters transmission curves of the `comets' filters measured with the SCORPIO-2 in the F/4 beam. ...

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• SCORPIO-2 project: description
• SCORPIO-2: direct images
• SCORPIO-2 project: Fabry-Perot

... 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. ...

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• Thomson-TCS : Custom Design
• mod_ext_filter - Apache HTTP Server
• Digital Filters

... This method is called once when the filter is loaded. ... This method should return a flag word that specifies the filters capabilities. ... With CONVERT_TO_FLOAT, the filter is called with the image data converted to a FloatProcessor (3 times per image for RGB images). ImageJ will lock the image before calling this method and unlock it when the filter is finished. For PlugInFilters specifying the NO_IMAGE_REQUIRED flag and not the DONE flag, run(ip) is called once with the argument null . ...

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• Undo (ImageJ API)
• Info (ImageJ API)
• ScaleDialog (ImageJ API)

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . Login . See many more Astronomy Listings by: Category or Alphabet . Filters designed for CCD imaging. ... Listed Since July 15, 1998 . ... Web Site . ... However, you must Login to submit a comment. ... Web . www.astronomy.net . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... The Meade StarNavigatorтДв series was designed with ease of use and convenience in mind. ... Coronado€о Solar . ... H-Alpha Filters . ... Blocking Filters . Coronado Accessories . ... Dealer Locator . ...

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• Coronado 10mm Blocking Filter - Blocking Filters - Coronado€о Solar - Products
• Coronado 5mm Blocking Filter - Blocking Filters - Coronado€о Solar - Products
• Coronado 15mm Blocking Filter - Blocking Filters - Coronado€о Solar - Products

... 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) . ...

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• Baader NEODYMIUM (Moon & Skyglow) filter

... In agreement with 3mm map (Voronkov et al. (2006) · 7mm Upgrade ­ still to do - fabricate spares for cryostats and conversion modules. ... Conversion Optical to electronic scheme RTM RTM DSP Board DSP Board DSP Board DSP Board Optical to electronic scheme DSP Board DSP Board DSP Board DSP Board RTM RTM RTM RTM Conversion sampling RTM RTM sampling Local oscillator distribution (antenna) Electrical to optical scheme ...

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• A Post-Correlation equivalent to an Adaptive Filter
• The ATNF Electronics Group : LBA_DAS
• Overview of ATNF Engineering

Metamaterial bandpass structures made of two-dimensional arrays of planar resonators Mikhail A.Tarasova, Artem M.Chekushkinb, Valerian S.Edelmanc, and Leonid S.Kuzmin a V.Kotel'nikov Institute of Radio Engineering and Electronics, Moscow, Russia b Chalmers University of Technology, Gothenburg, Sweden c P.Kapitza Institute for Physical problems b Abstract--Planar arrays of /2 open crosses designed for quasioptical filters in 300, 350, 450, 600 GHz bands were fabricated and experimentally studied. ...

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• http://www.cplire.ru/html/lab234/pubs/2007_08.pdf
• http://www.cplire.ru/html/lab234/pubs/2007_09.pdf
• http://www.cplire.ru/html/lab234/Tarasov/reprints/PhysicaC2002p171.pdf

Easy DMT: Using the chInterface Class to Create/Upgrade DMT Monitors Rauha Rahkola, Univ. of Oregon LSC Meeting, August 19-22, 2002 LIGO Hanford Observatory Richland, WA LIGO-G020349-00-Z Easy DMT Introduction to the chInterface utility class ! ... Run through the data 1. for each channel, either: ! ... Final report LSC Meeting, August 19-22, 2002 Hanford 3 LIGO-G020349-00-Z Easy DMT The chInterface Model ! ... No Yes Yes Defaults to RMS of data addChannel addFilter New channel? ...

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• Galaxy Gallery Page II
• Astronomy Plus CCD Images of Galaxies
• Physics 162 Winter 1996

DOK-S spectrometer is designed to measure the energetic spectrum and angular distribution of electrons in the energy range 20-180 keV and of ions in the range 20-1300 keV. In the main operational mode the range of measurements includes 8 energy channels. The instrument consists of two units: detector unit and electronics unit. ... Contact persons: K.Kudela - Institute of Experimental Physics, Slovak Acad. ... J.Simunek - Institute of Atmospheric Physics, Czech Acad. ... Prague, Czech Republic. ...

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• Lidar homepage - Instrument Information
• ION Results Page
• Laboratory facilities for science education and research

... It lists the coefficients defining the colour transformations, the zero points for the different filters and the aperture radii used in the photometric calibration analysis. ... The AB system zero point of the filter FilterID is stored in the keyword ABM0 FilterID , e.g. the AB zero point of the the U-filter is stored in ABM0U. The flux conversion factor derived from White Dwarfs of the filter FilterID is stored in the keyword FCF FilterID . ... description . ... AB Flux conversion factor of U . ...

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• DSS utilities
• XMM-Newton SAS: Watchout Page
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ARCSAT ID NUMBER: AS10 DESCRIPTIVE TITLE: A New Filter to Study Stellar Populations. ... BRIEF SCIENCE JUSTIFICATION: We propose to use a newly designed filter (named W: 845-880-nm) to measure the [ЮБ/Fe] ratio in red giants and trace the chemical evolution of stars in the Milky Wayт??s globular clusters, halo and Local Group galaxies. ... We will use the newly-acquired 2т??x2т?? filter from Manastash Ridge Observatory to start observing globular clusters. ...

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• http://www.apo.nmsu.edu/arc35m/Instruments/ARCTIC/Development/TechnicalDocuments/SRD.html
• Apache Point Obs. filters
• UW-WSU Nebular Emission-Line Filters

... Expected NICMOS Performance after HST Servicing Mission 3 . NICMOS Cooling System Design . ... NASA is developing the NICMOS Cooling System (NCS) to provide operation of NICMOS beyond the exhaustion of its stored solid nitrogen cryogen. ... The NCS combines an external radiator identical in design to the ACS/STIS Aft Shroud Cooling System (ASCS) planned for SM3, a Creare, Inc. reverse-Brayton cycle turbine cooler, and an EVA installed neon loop to the NICMOS dewar's cooling coil. ...

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• CONICA: The high resolution near-infrared camera for the ESO VLT
• Future Technology

... ESO, the European Southern Observatory . ... VLT/Paranal . ... Survey Telescopes . ... The VLT Survey Telescope (VST) is the latest telescope to be added to ESOтАЩs Paranal Observatory in the Atacama Desert of northern Chile. ... It is the largest telescope in the world dedicated to sky surveys in visible light. The VST was designed and built by the INAFтАУOsservatorio Astronomico di Capodimonte, Naples, Italy as part of a joint venture between INAF and ESO. €а . ... VLT Survey Telescope . ...

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• ESO - Instrumentation Development
• ESO - A number of OmegaCAM filters show vignetting in their central regions.
• State-of-the-art digital filter circuit boards for the ALMA correlator | ESO