... 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. ...

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 . ...

... 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 . ...

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. ...

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) . ...

... 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. ...

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. ...

... 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 CCD - about 100 spectral orders are seen (151Kb jpeg file ). ...

Quasar VLBI network observatories as co-location sites A. Ipatov, I. Gayazov, S. Smolentsev Institute of Applied Astronomy, Saint Petersburg, Russia ... supposes: 1. installation of different observational techniques at sites (co-location) 2. combined processing of different types of observations (collocation) IAA activity in space geodesy · Quasar VLBI network : ­ VLBI observations ­ GPS /GLONASS observations ­ DORIS ( ...

SITE 2010 Comprehensive Characterization of Astronomical Sites Kislovodsk, Russia, 49 October 2010 Conference Summary Marc S. Sarazin*a a European Southern Observatory, Garching, Germany Abstract The main topics discussed during the Site 2010 conference are outlined and the outcome is described. Keywords: Astronomical Site testing, precipitable water vapor, atmospheric turbulence, cloudiness, seeing 1. ... Site surveys for National observatory projects in China, India, and Iran benefit from this. ...

... Compton Observatory In Orbit . ... 8.04.2000 . ... Credit STS-37 Crew, NASA Explanation: Nine years ago the massive Compton Gamma Ray Observatory was deployed in low earth orbit. ... The premier gamma-ray observatory far exceeded expectations for a two- to five-year mission, but a recent gyroscope failure has prompted NASA to decide to steer the satellite safely back into the atmosphere. ... Publications with keywords: Observatory - orbit - CGRO - gamma ray . ... Solar Flare in the Gamma ray Sky . ...

RSAA Home . GSAOI Home . ... Science . ... Other Links . Gemini Observatory Mirror . Gemini Observatory Public Entrance . Gemini Observatory Media Entrance . Australian Gemini Project Office . USA Gemini Project Office . UK Gemini Project Office . Canadian Gemini Project Office . Brazilian Gemini Project Office . GMOS home page . NIRI home page . GNIRS home page . NIFS home page . T-ReCS home page . ALTAIR home page . GCAL home page . ...

... ISO main characteristics, and its data · What is Superspectra project?: ... 2) Provide mean spectra with extremely high S/N ratio for those sources for which there are repeated SWS01 / LWS01 measurements in IDA : (S/N) superspectra (S/N) individual spectrum WHAT IS DONE 1) Inventory SWS01 repeated: - IDA ( iso .esac.esa.int ) - AVO software (www.euro-vo.org) - SIMBAD (simbad.u-strasbg.fr), EXCEL - Sloan's SWS01 catalogue (HPDP from IDA ) RESULTS: - 161 sources (~ 3% total ISO ...

IBIS First Light - June 2003 . ... Solar Group . ... IBIS Installation Team (from L to R): . ... The scan shows the change in structures as we look at different heights in the solar atmosphere (both within a single spectral line and between lines). ... This movie shows an example of an IBIS sequence made up of scans through three different spectral lines in the solar atmosphere. The round image at the top shows the full field of view of IBIS, which has a diameter of 80 arcseconds. ...