... 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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• ESO - Visitor Mode Phase 2 Guidelines
• ESO - Science Announcements
• ESO - Phase 2 Observing Preparation . for ESO telescopes

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Information & tools for observers . ... Infrared and Sub-millimetre Observing Conditions on the Antarctic Plateau . ... The Antarctic plateau provides the best terrestrial sites for infrared and sub-millimetre astronomy. ... Finding a location where aerosol levels are minimised is a key constraint in determining the optimum site on the Antarctic plateau for an infrared observatory. ...

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• Conditions for all potential users:
• PPTA Wiki | Observing / RFI
• PmWiki | Observing / Tcs

... HST Phase II Proposal Instructions for Cycle 20 > Chapter 4: Solar System Targets > 4.8 Observing Windows [Windows] . ... If the target is a planetary satellite, the times when it is not occulted by any other object in the planetary system. ... orbital longitude . ... The <occulted object>, <occulting object>, and <observer> must be standard targets from Table 4.1: Solar System Standard Targets . ... The <object> and <observer> must be standard targets from Table 4.1: Solar System Standard Targets ....

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• Proposing Overview
• HST Primer for Cycle 22
• ACS Instrument Handbook

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• Observing mode support

... ARC 3.5m | Weather Closure Conditions . The enclosure will be closed by the Observing Specialist under the following conditions. ... This policy will be consulted whenever there are questions or disagreements concerning closure of the APO 3.5-meter telescope due to hazardous conditions or situations, at times when telescope operations are being overseen by an APO Observing Specialist. ... the on-duty Observing Specialist has full responsibility, and sole authority, to make this decision. ...

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• APO Telescope Documentation
• Information for Observers
• Untitled Document

Next: Standard On Up: Spectral-Line Observing at AO Previous: RECEIVER CHOICE . The readily available observing procedures, and those we strongly encourage observers to use, are the procedures available with the observing gui. ... Second - you MUST be aware that since you are observing using a non-standard procedure, the software may not exist to aid you in your data reduction, and the overworked computer department at Arecibo is under no obligation to write software for you. ... Standard On . ...

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• CIMA Command File Observing
• Comets National Astronomy and Ionosphere Center (Arecibo Observatory)
• INTRODUCTION to Spectral Line Observing at AO

... Home Articles Observing Resources for Amateur Astronomers ? Part 1: Beginning Observers Observing Resources for Amateur Astronomers ? Part 3: Advanced Observers . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . Observing Resources for Amateur Astronomers - Part 3: Advanced Observers . Observing Resources for Amateur Astronomers - Part 4: Magazines and Miscellany . ...

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• Observing ? Amateur Astronomers Association of New York
• Observing Events ? Amateur Astronomers Association of New York
• High Line ? Solar Observing ? Amateur Astronomers Association of New York

... 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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• University of Louisville Moore Observatory

... Tonight's Sky . ... The Magazine . News . Observing . ... Community . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... The Golden Earring, planetary nebula NGC 2867, and barred spiral galaxy NGC 3109 . ... Astronomy for Kids . ... planetary observing . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• International School of Advanced Studies, Trieste, Italy | Astronomy.com
• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• Glenn Chapleт??s Observing Basics: Curing the Astronomy Blahs | Astronomy.com

... 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

... Seidewand created the event FREE WEEKLY TELESCOPE VIEWING AT STRASENBURGH PLANETARIUM: 4/2 cancelled for clouds, snow, . ... Free! ... Call Jim at 703-9876 for more info. 1 week ago . ... Seidewand created the event FREE TELESCOPE VIEWING AT STRASENBURGH PLANETARIUM . ... Seidewand created the event FREE TELESCOPE VIEWING AT STRASENBURGH PLANETARIUM: 3/26 outlook is hopeful . ... Seidewand created the event FREE TELESCOPE VIEWING AT STRASENBURGH PLANETARIUM: 3/19 outlook is excellent . ...

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• Mees Observatory
• ASRAS Star Parties
• Our Observing Site

... 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

... 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 the Keck Telescope: . ATM Networks and Satellite Systems
• The Phase II Language for the Hobby Eberly Telescope
• Design Study on Integration of StarView II and JIPA Using Advanced Java

... 1999 . I полугодие . 2000 . ... 2001 . ... 2002 . ... 2003 . ... 2015 . ... Последнее обновление: 28/12/2015 ...

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• SAO RAS - Telescopes - BTA - MSS

... Within the transnational Access program of SOLARNET, European investigators can apply for observing time with the European instruments IBIS and ROSA , which are installed at the Dunn Solar Telescope of the US National Solar Observatory ( DST/NSO ). ... Periodic calls for proposals will be published for requesting SOLARNET observing time with the European instruments IBIS and ROSA, installed at the Dunn Solar Telescope of the US National Solar Observatory (DST/NSO). ... SOLARNET Access . ...

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• Educator's Guide to Spotting the Shuttle
• Observing capabilities
• Procedures for Observations

... Rates are estimated to be from 50-100 meteors per hour in prime observing conditions. But this is the so-called ZHR, or Zenithal Hourly Rate, which is the number of meteors per hour which would be seen by an experienced observer, with the radiant in the zenith, in a perfectly clear dark sky. ... The peak is expected to be at 23.30 UT so as the radiant (in the 'Sickle' of Leo) will not even have risen from most of Ireland by then, we will see very few meteors, if any, at that time. ...

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• Observing times | International Year of Astronomy in Ireland | Astronomy 2009
• Want to observe? Read the guide given by Tolis | International Year of
• Observing alert: has Jupiter been hit? | International Year of Astronomy in

... Spacecraft . 29b. Satellites looking down . ... 29e. Explorers of distant space . ... The Hubble orbiting telescope. ... The Hubble telescope , in low Earth orbit, overcomes such limitations, in the visible range and in part of the UV. ... So fruitful was this observation that a second "deep field" exposure of such length, near the southern pole of the heavens, was recently conducted. ... Some satellites specialize in observing the Sun, such as the Japanese Yohkoh and NASA's SOHO . ...

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• Spacecraft Observing Earth's Space Environment
• Satellites which look down and observe Earth
• The Scale of the Solar System

The Hubble orbiting telescope. The Earth's atmosphere, while transparent to visible light, absorbs most "electromagnetic radiations" which belong to the same family as light: parts of the infra-red (IR) and all of the ultra-violet (UV), X-rays and gamma rays. ... The Hubble telescope , in low Earth orbit, overcomes such limitations, in the visible range and in part of the UV. ... Some satellites specialize in observing the Sun, such as the Japanese Yohkoh and NASA's SOHO . ...

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• Spacecraft Observing Earth's Space Environment
• Space Weather Dials Interpretation Guide
• Satellites which look down and observe Earth

... 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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• Supernova Observing Form.
• A Plea for Support of the Space Program
• Contributions by amateurs: SN1995V.

... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

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• The Galaxy Gallery: Messier Objects
• Astro-2 and the UIT Experiment