WFC3 Instrument Handbook for Cycle 24 . ... Wide Field Camera 3 Instrument Handbook for Cycle 24 > Chapter 2: WFC3 Instrument Description > 2.3 Spectral Elements . ... 2.3.1 The Filter Selection Process . ... Both WFC3 channels are equipped with a broad selection of spectral elements. ... The UVIS channel has a selectable optical filter assembly (SOFA) that contains a stack of 12 filter wheels housing a total of 48 elements: 42 full-frame filters, 5 quad filters, and 1 UV grism. ...

... 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) . ...

... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... This document discusses some of the technical details of mod_rewrite and URL matching. Internal Processing . API Phases . Ruleset Processing . ... So, after a request comes in and Apache has determined the corresponding server (or virtual server) the rewriting engine starts processing of all mod_rewrite directives from the per-server configuration in the URL-to-filename phase. ...

... 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: . ...

... The Einstein On-Line Service (EOLS) is a simple menu-driven system which provides an intuitive method of querying over one hundred database catalogs. In addition, the EOLS contains over 30 CD-ROMs of images from the Einstein X-ray Observatory which are available for downloading. The EOLS provides all of our databases to the NASA Astrophysics Data System (ADS) and our documents which describe each table are written in the ADS format. ... The EOLS provides three options for data retrieval. ...

... Coronado€о Solar . SolarMax II Solar Telescopes . ... H-Alpha Filters . ... Blocking Filters . ... Coronado SolarMax II 90mm Solar Filter set with RichView tuning and 30mm Blocking Filter . ... SolarMax II 90mm Solar Filter set with RichView tuning system . Straight through 30mm Blocking Filter . ... Coronado by Meade SolarMax II 90mm Solar Filter set with RichView tuning system. Includes 90mm diameter primary H-Alpha etalon filter with sub 0.7 angstrom bandwidth and 30mm Blocking Filter. ...

Summary of SPHERE performance at NIH Ralf Siebenmorgen (PS) and Markus Kasper (PM) SPHERE performs in the NIH similar to what was achieved in Grenoble. ... IRDIS The IR and V filters are well mounted and the positioning accuracy is within a 1% pixel tolerance. ... The IRDIS detectors have a read-out noise 9.4 e-, a gain of 2e-/ADU and the dark current is <0.5e-/pixel/s. The instrumental background is still high. ... Centering of the pupil is achieved at an accuracy of 0.1% of the pupil diameter. ...

... Apache HTTP Server Version 2.4 . ... This document describes the use of filters in Apache. Filtering in Apache 2 . ... Filters can be used to process content originating from the client in addition to processing content originating on the server using the mod_reflector module. mod_reflector accepts POST requests from clients, and reflects the content request body received within the POST request back in the response, passing through the output filter stack on the way back to the client. ...

... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

... These images were provided to Winer Observatory by Mike Shade of Sonoita Hills Observatory as an example of the outstanding work done by local Sonoita amateur astronomers. ... All images on this page were taken with a 6-inch Astro-Physics aprochromatic refractor at Sonoita Hills Observatory using an SBIG ST-7 camera. ... Object: Galaxy Messier 100 . ... Date: March 2001 . ... All images on this page were taken with an f/5 Newtonian reflector at Sonoita Hills Observatory using an SBIG ST-7 camera. ...

... Since completing his PhD David has worked in several temporary roles with the ATNF, including a three-month sojourn in Narrabri, on various aspects of system performance related to operation at mm wavelengths. ... Part of the current ATCA upgrade provides new antenna stations to support improved compact antenna configurations, ultimately using the new North Spur to provide N-S baselines. ... Three millimetre receiver packages are now installed on the Array in antennas 2, 3 and 4. ...

The construction of NIFS is progressing well with preparations in hand for the next two cooldowns. The detailed design of all the NIFS mechanisms has been completed and the mechanisms are under construction. ... The NIFS OIWFS filter/aperture wheel and OIWFS gimbal mechanism have been manufactured by the University of Hawaii and delivered to the Australian National University. ... Vinko Medic polishing the OIWFS optable in preparation for cold-testing the NIFS mechanisms in the cryostat. ...

... 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...

... XmTel is a telescope control interface designed to to communicate with a telescope server, and Elwood Downey's XEphem, through the INDI protocol. It will also operate as a free-standing program for control of telescopes that use the NexStar, Paramount, and LX200 command sets, telescope drive systems built using Galil's industrial motion controller, and RC Optical's Professional series fork mount with electronics from Telescope Control Systems. ... See the notes in the Galil controller directory. ...

... 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 . ...

MRO-ICD-CAM-1000-1009 FTTNAS-EIE Services .odt Page 1 of 10 MRO FTT /NAS FLC ICD FTT /NAS FLC to Enclosure ICD MRO-ICD-CAM-1000-0109 The Cambridge FTT Team Rev 1.0 14 May 2013 Cavendish Laboratory JJ Thomson Avenue Cambridge CB3 0HE UK MRO-ICD-CAM-1000-1009 FTTNAS-EIE Services .odt Page 2 of 10 ICD Description ICD Number MRO-ICD-CAM1000-0109 Sub-systems FTT /NAS ... Figure 1 Schematic of the connections between the FLC/FTT camera enclosure, the services and the electronics in cabinet Q5. ...

This document explains some of the directives provided by the core server which are used to configure the basic operations of the server. ... Process Creation . Network Configuration . ... User . ... A single control process is responsible for launching child processes which listen for connections and serve them when they arrive. ... The User and Group directives are used to set the privileges of the Apache child processes. ... The child process creates multiple threads to serve requests. ...

... Tools are provided for converting a restricted set of selectlib expressions into a data subspace specification (see the selectlib documentation for details of the expression format). A parser reads the selection expression and generates subspace filters and components as appropriate. However, not all selection expressions can be expressed as data subspace specifications. Those types of expressions which cannnot be handled by the parser involve arithmetic operations on column values. ...

... 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'. ...

DEVCON for LAN Systems!! ... PSP LAN Systems develops products that provide network operating system services (such as file, print, transaction, security and directory) for multiple operating systems (OS/2, DOS, Windows and AIX). ... PSP LAN Systems has identified an API (or development tools) strategy that provides an application development environment with industry standard APIs for application portability and object frameworks to assist developers with code reuse. ...