Space Telescope Science Institute . ACS Instrument Handbook Cycle 19 . ... For WFC and HRC imaging, the desired filter in one filter wheel is rotated into position and a CLEAR aperture in the other filter wheel is automatically selected. ... Use of the small UV filters with WFC is not supported due to the unpredictable behavior of the silver coating shortward of 4000 е. The ACS ramp filters are designed to allow narrow or medium band imaging centered at an arbitrary wavelength. ... WFC/HRC . ...

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• Introduction
• ACS Instrument Handbook for Cycle 20
• Polarizer Quad Filter

. Position . Logical Name . Description . 0 . D . Stop . 948 . J . Standard Filter J (1.12-1.40?m) . 1896 . SJF . BandPass Filter (0.91-1.12?m) . 2844 . F1 . Hole . 3792 . EPS . LongPass Filter (1.65-2.55?m) . 4740 . H . Standard Filter H (1.48-1.82?m) . 5688 . FHK . BandPass Filter (1.76-2.12?m) . 6636 . K . Standard Filter K (2.00-2.41?m) .

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• Optical System
• Filters - Apache HTTP Server
• Observing capabilities

... 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: direct images
• SCORPIO-2 project: long-slit

... 1 available ; Nd:YAG based laser transmitter; 24 W average power (100 MW peak power ) at 532 nm; Additional output at 1064 nm fundamental (currently 355 nm is not available ); 6 ns pulse width; 40 Hz operation; 80 cm diameter Cassegrain telescope receiver; Fully pointable (but generally aircraft restricted to within 45 o of zenith; Electronic gated photomultiplier tube detection with low-altitude chopper; Data collection is ... F. Airglow Mirror Systems: . ...

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• Arecibo Observatory L-Wide Band Receiver
• Chapter 11. Specifying OpenGL Environment Variable Settings
• Visitors Tourists -- The AO Optical Laboratory

... This information may be for older NA2 filters?? Filters There are 7 filter positions, containing the following filters from Custom Scientific . ... 0 - Bessell R . ... The only filter requiring a focus offset is the ND2 + R filter which will be measured on the sky. ... The red filter attached to the ND2 in position 6 is not the same as the Bessell R. Number 6 is an RG610 red glass filter ( Rolyn 65.1355 ) for the 610 nm cut-on. ... Focus . ... Guider Mechanical Controller (filter and focus) . ...

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• Guider Mechanical Commands
• UW-WSU Nebular Emission-Line Filters
• APO - neutral density filters

... 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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• Columns REDLEAK, RLTYPE, and MAKER
• Character descriptor FILTCAT
• mod_ext_filter - Apache HTTP Server

... 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

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Meade 4M Community . ... 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. ... H-Alpha Filters . ... Coronado Accessories . ... Meade Series 4000 #905 Variable Polarizing Filter (1.25") . ... Meade Series 4000 #905 Variable Polarizing Filter (1.25") #07286. ...

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• Coronado 5mm Blocking Filter - Blocking Filters - Coronado€о Solar - Products
• Coronado 10mm Blocking Filter - Blocking Filters - Coronado€о Solar - Products
• Meade Instruments Corporation - Pictor 616A Color Filter System

.

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. XMM-Newton Science Analysis System . omsrclistcomb (omsrclistcomb-2.11.4) [xmmsas_20080701_1801-8.0.0] . Meta Index / Home Page / The SRCLIST table . One standard colour for each filter will be given when there is at least one standard magnitude available for each filter. When more than one magnitude is available the magnitude from the first column will be used. XMM-Newton SOC/SSC -- 2008-07-02

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• Errors
• Detector map filtering

Peremennye Zvezdy ( Variable Stars ) 26 , No. ... Moscow 119992, Russia . ... 84/32, Moscow 117997, Russia . ... Our CCD observations compared to times of minima derived from the archival photographic plates and from the NSVS and ASAS-3 data clearly show that the orbital period of the system is variable. ... The phased light curve for the light elements . ... CCD, Moscow . ... and for the current linear light elements (in excellent agreement with the NSVS, ASAS, and our CCD observations): . ...

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... The STECF IRAF layered package impol provides five tasks specifically aimed at reduction of HST imaging polarimetry data for ACS, FOC, NICMOS and WFPC2. ... Reduction of HST polarimetry data and simulation of raw polarimetry images, together with polarization vector plotting, are covered. ... hstpolsim -- Produce simulated polarization input data frames for HST instruments from images of the total signal, the linear polarization and the position angle of the polarization vectors. ...

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• ESO - A number of OmegaCAM filters show vignetting in their central regions.
• Messier 83 - Central region | ESO
• Messier 83 - Central region | ESO Australia

Here is a description of the Filter/Driver Pack Plus release from Aldus. ... The Macintosh Filter/Driver Pack Plus includes several new and updated filters, including import filters for Microsoft Works 3.0 and MacWrite Pro files, as well as the most recent LaserWriter driver, version 8.1.1. ... The Filter/Driver Pack Plus also includes a patcher utility which will update PageMaker 5.0 to version 5.0a. This patcher corrects a handful of reported customer problems. ...

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• Feature enhancement: filtering and denoising

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

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... Several HST instruments both current and decommisioned have provided imaging linear polarimetry capabilities. ... The STECF IRAF layered package impol provides five tasks specifically aimed at reduction of HST imaging polarimetry data. ... Reduction of HST polarimetry data and simulation of raw polarimetry images, together with polarization vector plotting, are covered. ... For reduction of data from imaging linear polarization instruments other than from HST, the instrument name is `SPECIAL'. ...

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• CONICA: The high resolution near-infrared camera for the ESO VLT
• Some Experiments with the Restoration of NICMOS Camera 2 Images of OMC-1
• Status and Goals of the NICMOS Calibration Plan

SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

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• APOD: July 31, 1996 - A Violet Moon
• Jupiter Picture List

Please check the protocol.h file to be sure it selects your preference for a camera filter wheel. By default the system will expect the STL internal filter wheel with 5 filters. An external filter wheel option is available. Select #define FILTER_WHEEL EXT_FILTER_WHEEL and see the included directory for the IFW3 filter wheel for an example of how this is implemented.

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• University of Louisville Wide Field and Planetary Telescopes
• University of Louisville Research Telescope
• Moore Observatory Remote/Robotic Telescope

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Mopra radio telescope . ... As no suitable AAO H filter was currently available a vendor (Barr Associates) was identified to supply a high specification, large monolithic interference filter for use at the UKST's focal surface. ... The exceptional optical quality of the filter has been demonstrated on the telescope by the first 2 hour H exposures taken in good seeing during April 1997....

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• Basic filter options considered
• Optical Design
• Technical aspects of the new AAO/UKST H interference filter

... example, note below the dramatic speedup in searching a 1 Gb file using an AND filter, even when one of the columns (pha) has no index : time fundisp \ huge.fits'[idx_activate=0,idx_debug=1,pha= 2348 4000 4000 1]' \ x y pha x y pha ---------- ----------- ---------- 3999.48 4000.47 2348 3999.48 4000.47 2348 3999.48 4000.47 2348 3999.48 4000.47 2348 3999.48 4000.47 2348 ... Currently, indexed filtering only works with FITS binary tables and raw event files. ...

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• Chandra Images for SNR J0127.7-7332
• Chandra Images for G111.7-02.1
• Future Improvements

... LUMAM . ... HOME . ... ABOUT LOMO . ... MICROSCOPES . ... SURGICAL MICROSCOPES . ... Home Products Microscopes Lumam Fluorescence filters . LUMAM FILTER CUBES . Filter Cube Sets from OMEGA® Optical, Inc. ... 575.00 . ... Filter Cube Sets from LOMO® . ... 395.00 . ... LOMO America, Inc. ... 2000-2016 LOMO America,Inc. ...

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• Multiscopes
• INVERTOSCOPE
• METAM-IQ