... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. May 6, 1998 . Beijing Ancient Observatory . ... Explanation: Did observatories exist before telescopes ? One example that still stands today is the Beijing Ancient Observatory in China. Starting in the 1400s astronomers erected large instruments here to enable them to measure star and planet positions with increasing accuracy. ...

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• APOD: 2003 March 30 - Beijing Ancient Observatory
• APOD: 2000 January 16 - The Compton Gamma Ray Observatory
• APOD: August 11, 1995 - The Compton Gamma Ray Observatory

Общая Астрономическая Конференция . ... Правила форума . ... Сообщения за день . ... Добро пожаловать на Общая Астрономическая Конференция. ... Форумы общей направленности . Любые вопросы от новичков (просматривают: 17) . ... Общий форум любителей астрономии (просматривают: 7) . ... Новости магазина Starshop.ru . ... Менее астрономические товары (просматривают: 1) . ... Форум исключительно для сообщений об испытаниях астрономической техники. ... Общая Астрономическая Конференция статистика . ...

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... This is a personal project collecting and documenting early images of Harvard College Observatory, focusing on the site at Observatory Hill (previously Summer House Hill). ... This page shows a list of all images related pictures in the same group. [link] 1849 William Cranch Bond portrait . Image Credit: Cephas Thompson . Earliest source: "William Cranch Bond." ... This is the earliest depiction I have of William Cranch Bond. ... link] 1849 William Cranch Bond portrait . ...

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Next: Visualizing Data Cubes on the Grid . ... 314 Astronomical Data Analysis Software and Systems XIII, eds. F. Ochsenbein, M. Allen, & D. Egret (San Francisco: ASP), 505 . ... Until recently, a typical FITS file was composed of a single image less than 100Mb in size. ... And along with this explosion of new data file representations comes demands for more flexibility in visualization, support for external and remote analysis, and seamless Web integration. ...

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• ADASS 2002 Conference Proceedings
• The ESO VLT CCD Detectors Software
• ETCs and Observations Simulation at the VLT

WFC3 Instrument Handbook for Cycle 24 . ... Wide Field Camera 3 Instrument Handbook for Cycle 24 > Chapter 10: Overheads and Orbit Time Determinations > 10.2 Observatory Overheads . ... The time required for this initial guide-star acquisition is 6 minutes. If the observations extend into the following orbit(s) following Earth occultation, you must also include the overhead for guide-star re-acquisition (another 5 minutes at the beginning of each new orbit). ... 6 minutes (first orbit) . ...

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• GOODS: The Great Observatories Origins Deep Survey
• Index of /ftp/instruments/observatory
• STIS Instrument Handbook

... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > I want to process MOS data of the same target from different nights together - how can I do that? ... Observing Facilities . ... Observing with ESO Telescopes . ... However, if you want to process science data from different nights together you should limit the available calibrations to those from one night as the pipeline assumes that the calibration data were taken without mask movement in between. ...

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• ESO - Why do the flats in my data have different exposure times and how do I
• Number of papers published using different observatories | ESO
• ESO - VLT/Instrument Interfaces

DIGITAL WDC EXCHANGE FORMAT . FOR OBSERVATORY 1.0 MINUTE VALUES 1. ... DATA-1 .. DATA-60 are 1-minute values of the given element for that hour. ... Typically, digital 1-minute values received by WDCs from organizations operating automatic magnetic observatory instruments are averages of more frequendy sampled values, e.g. 10-second point samples. ... If the method used to obtain 1-minute average values is important to a user, the WDC will assist in determining the exact procedure applied. ...

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• FM-3I Instrument
• Sensors
• REAL-TIME MONITORING OF THE GEOMAGNETIC FIELD VARIATIONS

... On the coude focus of 1-m (Zeiss-1000) telescope have installed two echelle spectrometers: CEGS and HELEN. Both spectrometers have been designed by Musaev F.A. and oriented for spectroscopy of relatively bright stars with different spectral resolution. ... spectral resolution R~40000, range 3200 - 10100 Angstroms - registered simultaneously with 1242x1152 CCD (see example of CCD image of Solar spectrum, obtained with 1252x1152 C