During observation the target is placed at the aperture (PC1, WF2, WFALL, etc.) specified on the Phase II proposal. ... The POS TARG special requirement can be used when a position offset is needed. ... The exact directions of the offsets are parallel to the rows and columns of the CCD on which the aperture is specified. ... This is specified in the Phase II proposal using the ORIENT special requirement. ... Figure 7.9 shows the CCD orientation and aperture locations relative to the U3 axis. ...

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• Mode = POSConfig = FGS
• Fine Guidance Sensor Instrument Handbook
• Mode = TRANSConfig = FGS

... An OBJECT column gives the name of the object observed (usually a star name). ... In critical cases, it is common practice to measure sky on two or more positions around a target object, and these positions must be identified. ... A general treatment of this problem requires a column called OBJECT, bearing the usual name of the object (as in the star tables); a column labelled STARSKY, to distinguish between star+sky, star alone, or sky alone; and additional columns to identify the sky position. ...

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• Order Definition
• General Description
• Source Positions

lsst.tcc љ 1.2.2-3-g89ecb63 . ... Files . ... python . ... axis . coordConvWithFP.py . ... 22 љ def coordConvWithFP (fromCoordSys, fromPVTPair, fromPxPMRadVel, fromDir, toCoordSys, obj, inst, zeroPM, useGSWavelen): . 23 љ """!Convert a coord from one coordinate system to another . ... 35 љ @param[in] obj object block computed at desired desired TAI date of conversion . ... 50 љ obj = tcc.base.Obj(obj) # make a copy so I can change obj.site if useGSWavelen . ... tcc.axis.rotFromObs.rotFromObs . ...

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• Instruments
• TUI:Introduction
• lsst.tcc: tcc.axis.instFromObs Namespace Reference

... Science Users Information > Observing with ESO Telescopes > Phase 2 Preparation > Observing conditions . ... Service Mode Philosophy . ... The following definitions of the observing conditions are common between Phase 1 preparation and Phase 2 preparation, as well as between Service Mode and Visitor Mode observations. ... There are additional Service Mode Policies and Service Mode Guidelines regarding the observing conditions. ... Seeing (Phase 1) and Image quality (Phase2) constraints . ... Moon . ...

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• VLTI Calibrator Selection Help Page
• ESO - La Silla Science Operations
• ESO - Calendars and Calculators

... Classes . Files . ... casa::MeasComet . ... MeasComet (const String &path) . ... MeasComet (const Table &tabin, const String &path) . ... Get the name of the comet. const MVPosition & . ... get ( MVPosition &returnValue, Double date) const . ... Construct a table from the name and the input table. casa::MeasComet::MeasComet . ... Get the end of the table (in MJD). const String & casa::MeasComet::getName . ... Get the start of the table (in MJD). const MVPosition & casa::MeasComet::getTopo . ...

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• casacore: casa::SolarPos Class Reference
• Definition of MeasurementSet AIPS++ Note 191
• casacore: casa::MCFrame Class Reference

... On the right side you will find all exposures of each instrument: . The exposures are aligned as bars with some text information. The size of the bar is related to the duration of the exposure, and the position of each bar depend on the instrument it belongs to and the start time of the exposure. ... Note, that the duration of some exposures can be quite short, such that the text in the bar is not always readable. ... This text can be the exposure id , instrument filter , or instrument mode . ...

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• insbs: INStrument BoreSight calculation

The Wind spacecraft. ... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... For additional details and updates, see the home page of the "Wind" mission. Exploration" home page (index) Glossary . ...

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• FM-3I Instrument
• The Solar Wind--History
• Isotropic boundary (Oulu)

... 295, 2003 H. E. Payne, R. I. Jedrzejewski, and R. N. Hook, eds. The MAST Pointings Tables Pro ject Karen Levay, Paolo Padovani1 , Randall Thompson, Megan Donahue, Michael Corbin Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218 Abstract. We have undertaken a pro ject to create a database of all HST imaging observations organized by position on the sky. ... Each sky region was called a "pointing." ... Users select the instrument pointings table they wish to search. ...

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• http://www.adass.org/adass/proceedings/adass03/reprints/P9-7.pdf
• ETCs and Observations Simulation at the VLT
• Calculating the Position and Velocity Components of HST

... Meade Instruments Corporation . ... Autostar Computer Controller Instruction Manual . Autostar Computer Controller . ... NOTE: This manual covers both Model #495 Autostar and #497 ETX Autostar Computer Controllers. ... Autostar Primary Menus and Options . ... Chapter 3: Alignment . ... Guided Tour Menu . ... Chapter 5: Autostar Menu Functions . ... Meade Autostar Computer Controller . ... Meade #505 Connector Cable Set Manual . ... Copyright 2006 Meade Instruments Corporation, All Rights Reserved. ...

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• Meade Instruments Corporation - Pictor 616A Color Filter System
• Meade Instruments Corporation - Meade Model 9400 Microscope Instruction Manual
• Meade Instruments Corporation - Meade Model 9200 Microscope Instruction Manual

... 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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It seems that every time I try to correct for a pointing error, I have to figure out the sign of the pointing error as reported by the various routines. The pointing error is computed using the heiles calibration scans and by using the turret scans. ... The center of the pattern is the "computed" position of the source using the ra,dec transformation to az,za and any current pointing model. ... X0, Y0 are reported as the error. ... So for turret scans, Add the az,za error to the pointing model. ...

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• http://www.naic.edu/vscience/schedule/tpfiles/HowelltagA2606tp.pdf
• Visitors Tourists -- The AO Optical Laboratory
• The AO Optical Laboratories National Astronomy and Ionosphere Center (Arecibo

... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... If however the object is moving , the encounter is not symmetric, and in the end the spacecraft may have gained or lost speed, depending on its trajectory. ...

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• Events on January 10-11, 1997 - INTERBALL observations
• Trigonometry beyond 90 degrees
• Coordinates

INFRARED FOURIER-SPECTROMETER SICH-F . ... Instrument work regimes: 1) Inside. 2) Calibration at inside standard sources 2 - 4 times per a rotation. 3) Calibration at "free space" 2 - 4 times per a rotation. 4) Infrared radiation measuring 10 - 40 min. per a rotation. ... Spectrometer consists of the photodetector block and the block of signal processing and control. ... Diagnostic information and attach data will transfer by state telemetric channels. ... Detector temperature. ...

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• Central meridian positions for physical observations of Uranus for Computer
• Central meridian positions for physical observations of Saturn for Computer
• Central meridian positions for physical observations of Neptune for Computer

... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

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OptInt PmWiki . ... Science Instrument Downselect . ... Page History | ... PmWiki . ... PmWiki FAQ . ... pmwiki.org . ... Return to Science Instrument Downselect ( Edit ) . ... Proc. SPIE paper on downselect . ... March 09, 2007, at 05:30 PM by John Young - Status from 2006/10/12 update (see attachment) . ... Complete . ... P4S combiner optimization . ... P4S switchyard optimization . ... P8 combiner optimization . ... P8 (internal) switchyard optimization . ... Due 2006/07/31 . ... Due Date . ...

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• OptInt PmWiki : MROI / Science Instrument Downselect
• OptInt PmWiki : Science Instrument Downselect
• Abstract

... Activity 3: Measuring the Position of the Sun in the Sky . Purpose: To give students the opportunity to measure the position of the Sun in the sky using simple tools and methods. ... Alternatively, you may have students devise their own methods of relative measurement and apply them to measuring the position of the Sun in the sky. ... Rangi is the sky, and when the Sun is near Rangi's head it is summer in New Zealand. ... Read the Maori story to students. ... back to Teachers' Newsletter Main Page ...

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• ASP: Indiana Jones and the Astronomers of Yore
• ASP: A Good Definition of the Word "Planet": Mission Impossible?
• ASP: The Biggest Bang of Them All

... The J, H and K bands are characterized by a bright background, such a background is mainly due to the emission of atmospheric lines and of thermal radiation. ... If the source cover a large fraction of the slit, spectra off-source must be observed to adequately sample the sky background. ... The on chip integration time (time spent in each position of the slit) must not exceed 40 seconds in J and H bands and 60 seconds in K band. ... We suggest a sequence of 10 for each elementary integration time. ...

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• Mechanics and Cryogenics
• Next VLT Instrument Ready for the Astronomers (PR Photos 05a-c/00)
• IBIS: SolarNet Access

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Circular polarization of the bright side of Iapetus versus wavelength, obtained with FORS2 at the ESO VLT during the night 2011-03-28 at a phase angle of 0.77 . ... It can be noted that a change in signal occurs in circular polarization observations that are taken after rotating the instrument by 90 degree with respect to the intial position angle on the sky. ...

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• Planetary positions
• Observations with the Faulkes Telescopes
• Observations with the Faulkes Telescope North

Stellarium 0.12.3 . ... Classes . ... gSatTEME Class Reference . Sat position and velocity predictions over TEME reference system. ... Set compute epoch for prediction. ... gVector љ . ... Get the TEME satellite position Vector. ... Get the Geographic satellite subpoint Vector calculated by the method compute SubPoint. ... gVector Satellite position vector meassured in Km. x: position[0] y: position[1] z: position[2] . ... gVector Satellite Velocity Vector measured in Km/s x: Vel[0] . ...

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• Stellarium: TextParams Struct Reference
• Stellarium: StelSkyPolygon Class Reference
• Stellarium: StelQGLArrayVertexBufferBackend Class Reference

Astronomy Terms - To Help You Study The Universe . Articles | ... Learning about the universe, or the study of astronomy, can be fun for the individual or for the whole family. ... Learning a few simple terms will help you with this fascinating study. ... You will use a telescope or binoculars for your observation of the sky at night. ... Celestial Terms . ... Meteor or a shooting star – the light caused when a meteoroid burns up in Earth's . ... www.astronomy.net . About Astronomy Net | ...

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• SUE PA Novosibirsk Instrument Making Plant, AstroGuide Listing