... The concerns here are similar to those for observing bright targets; saturation and blooming of the bright companion PSF must not impact the faint target. Also, one may need to consider subtracting the PSF of the bright object, and effects which limit the accuracy of that subtraction. If the bright companion will saturate and bloom, it will be necessary to rotate the CCD so that blooming along the CCD columns does not obliterate the faint target. ...

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• Observing Bright Targets
• STIS Instrument Handbook
• The Hubble Deep Field: Observing Strategy

This page shows which observing modes are available with which correlator and gives a brief description of the observing modes.. available; . ... WAPP . ... ALFA . ... Calibration mode that scans 4 times across the calibrator, forming a spider shape. ... Calibration mode that scans twice across the calibrator, forming a cross shape. ... This is the standard spectral-line single-pixel observing mode. ... A Calibration mode used by the Galactic ALFA surveys to calibration the G-ALFA HI Spectrometer. ...

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• OBSERVING PROCEDURES
• Spectral-Line Observing at AO
• The CIMA Observing Modes

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... Science . ... Science Users Information > Science Publications > Science Announcements > zCOSMOS Advanced Data Products Available via Phase 3 . ... Observing with ESO Telescopes . ... Science Archive Facility . ... ESO Data . ... The zCOSMOS-bright advanced data products are now available via the Science Data Products query form of the ESO Archive . ... The zCOSMOS data were migrated to be compliant to the ESO standard and ingested in the ESO Science Archive Facility via the Phase 3 infrastructure. ...

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• ESO - Science Announcements
• ESO - MUSE Commissioning Data Available
• ESO - Final Data Release of zCOSMOS-bright Redshift Survey

... NICS will be the only infrared instrument for the first light of the TNG; as a consequence, we decided to incorporate a sufficient degree of operation flexibility by providing the instrument with six different observing modes, three aimed at imaging and three at spectroscopy: . ... It will be possible to use the narrow band filters as order sorters; this will allow to perform high resolution long-slit spectroscopy in the wavelength ranges covered by the available narrow band filters. ...

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• Procedures for Observations
• CHIANTI atomic database

Last modified: 17 April 1999 . ... V codes are for AO1 experiments W codes are for AO2 experiments VS experiment codes are VSOP Survey Observations VT Test/Calibration Observations ------------------------------------------------------------------------ EXPNO SOURCE FRQ Corr DOY DY: DATE UT RANGE #TEL TELESCOPES W088b1 J1229+02 L* Socr 105 Th:Apr-15 00:00 - 09:00 14 VLBA RO GO EB JB W077a W066a1 J0841+70 L Socr 107 Sa:Apr-17 13:00 - 00:00 8 NT BR OV SC HN TR NL KA W066b1 J0841+70 C ...

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... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

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• Bright galaxies | Astronomy.com
• Observing | Astronomy.com
• Taming a bright star | Astronomy.com

... Fit the ring around the equator and then change its inclination from 0 degrees (equatorial orbit used by geosynchronous satellites) to 28.5 degrees (space shuttle orbit) to 51.6 degrees (space station orbit) to 90 degrees (polar orbit used by spy satellites). by Rob Landis, Space Telescope Science Institute . ... With so many satellites now in orbit, it is likely that you have seen an artificial satellite zipping across the night sky. ... http://www.amsat.org/amsat/ftpsoft.html . ...

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• ASP: Guest Observer
• ASP: Monster Comet Promises Big Show
• ASP: The Return of Halley's Comet

. Sitemap . Contact . Search . Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Bright meteor from the Taurid meteor stream captured by the Observatory's automatic meteor observing system on the night of 11th November 2005. The full size movie is available as a 559K MPEG File or as a 59MB AVI File . See also: . The Taurid Swarm Years from David Asher . The Taurid Complex . The Automatic Meteor Detection System . Last Revised: 2009 November 23rd .

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• Terry Mosely's Bulletins
• Mystery Flare | International Year of Astronomy in Ireland | Astronomy 2009
• Mutual Events of the Uranian Satellites

... About ATMoB . ... The Observing Committee is starting an Observing Awards Program to promote observing among the membership of the Amateur Telescope Makers of Boston. ... Participant must be a current member of the Amateur Telescope Makers of Boston . ... To qualify for your Observing Award Certificate, turn in your worksheet and drawings to an ATMoB Observing Committee member or observing@atmob.org . ... This Excel sheet has useful macros. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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• Amateur Telescope Makers of Boston
• Geminids meteor shower - 1999

... The process of proposing for Hubble Space Telescope observing time has been revised, to make it simpler for proposers. We describe the simple, flexible, and robust prototype system created to handle proposal submission. ... Proposing for Hubble Space Telescope ( HST ) observing time proceeds in two phases: the scientific merits of the proposal are considered in Phase I; only accepted proposals enter Phase II, where the observations are described in complete detail. ...

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• Remote Observing With Java
• Real-Time Linux Driving a Spectrometer
• The NOAO Web-based Observing Proposal System

ARCSAT ID NUMBER: AS01 DESCRIPTIVE TITLE: Search for Short-Period Planets Orbiting Bright White Dwarfs PI: Brett Morris (UW) OBSERVER(S): Brett Morris (UW), Doug Branton (UW) UNCERTIFIED/UNTRAINED OBSERVERS: Undetermined Pre-MAP students ... In addition, since typical white dwarfs are roughly Earth-sized, the transit of an Earth-sized planet can cause changes in brightness on the order of several tens of percent for durations on the order of one minute (Agol 2011). ...

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• Astrophysical Research Consortium - Apache Point Observatory
• Information for On-Site Observers
• default

Next: Descriptor for the Up: Horizon obstructions Previous: Horizon obstructions . If the photometer has an eyepiece, one can easily check whether the pupil is clear or obstructed by examining the exit pupil formed by the eyepiece. ... The ``observing'' limit is a position at which the obstruction is near, but completely outside of , the usable field. The ``moonlight'' limit is the position at which the last speck of sky disappears behind terrestrial obstructions. ...

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• Introduction
• Getting the observations
• Preparing to use the planning program

NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...

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... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

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• VISTA - Visible and Infrared Survey Telescope for Astronomy
• Observing with VISTA
• VISTA - Images of Mirrors

... The following charts/text are intended as tools for monitoring the Type Ia supernovae ( SNe ) event visually or photographically (utilizing telescope equipped CCD equipment).The files include: A replication of The Type Ia SNe , V- magnitude (with data point checks from other cited references)and color index (B-V) templete (to indicate a general color-related trend of the type Ia ... I believe this might help alleviate some of the problems involving the making of acceptable amateur light curves...

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• Use of Charts.
• APOD: 2002 March 7 - Comet Ikeya-Zhang Brightens
• APOD: November 19, 1998 - Bright Leonids

... Observing . ... Home Observing Poe Park, The Bronx ? Solar Observing . ... Poe Park, Bronx, Solar Observing . ... Observing Out-Of-Town . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• Observing ? Amateur Astronomers Association of New York
• Brooklyn Museum Plaza ? Amateur Astronomers Association of New York
• Observing Events ? Amateur Astronomers Association of New York

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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• XWare > APOD

... Moore Observatory is a research and advanced teaching facility of the University of Louisville. ... The 24-inch Ritchie Chretien (RC24) telescope is a research instrument used by faculty and graduate students involved in studies of exoplanets, optical properties of the atmosphere, and the development of imaging and spectroscopic technology. ... Kent (CDK20S) are collaboratively operated by the University of Louisville and the University of Southern Queensland for both research and education. ...

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• Student Telescope at Moore Observatory

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Space Flight . ... Posted on August 7, 2012 | No Comments The summer months have been particularly uneventful, or more so the events have been hard to spot in the bright summer nights but the month of August has some amazing [ ] . Continue Reading.. ... 2 Comments ItтАЩs the beautiful clear morning of 6 June 2012 here in Armagh and the Sun is rising into a cerulean blue sky.But look closer, and you can see a tiny [ ] . ...

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• observing | Astronotes - Part 6
• observing | Astronotes
• observing | Astronotes - Part 4