... Data Reduction FAQ > A number of OmegaCAM filters show vignetting in their central regions. What are the causes for this and what are the dimensions of these features? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... ESO HST Image Galleries . ... ESO Data Access Policy . ... ESO Science Newsletter . ... A number of OmegaCAM filters are not monolithic, but consist of four segments (each covering 8 detectors) that have a central cross-shaped support structure. ... Filter . ...

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 . ...

... SAI CAS . ... Catalog Access Services . ... This site is about the Virtual Observatory project at the Sternberg Astronomical Institute, Moscow University ( SAI MSU ). We provide a public access to the growing set of astronomical services developed by the SAI RVO development team in accordance with the Virtual Observatory standards. ... We provide access (programmatic and interactive) to the all major and biggest astronomical catalogs (about 4 billions objects total) as well as other web-services. ...

... Обзор LPR фильтра. Впечатления от наблюдений с LPR фильтром. ... Характеристики цветных фильтров Baader-Planetarium . Мой перевод pdf- файла о фильтрах с сайта Baader-Planetarium (379 кб) . ...

Next: Data Acquisition Up: CCD Systems and Previous: The ST-4 . One SBIG upgrade from the ST-4 is the ST-6. ... This system also uses a motorized filter wheel made by Compuscope. ... The TEC for this camera head is similar in operation to that of the Lynxx, however the ST-6 allows the temperature to be set. ... Used together with the ST-4, longer uninterrupted exposures are possible. ... A function in the software allows the operator to combine several short exposures to create a composite image. ...

Next: Pressure Up: Additional information Previous: Additional information . ... Although the ESO Archive standard is to record temperatures in kelvins, this is often inconvenient. ... Therefore, if the temperatures are not in kelvins, the appropriate units should be provided in the table file (if temperatures are in a column), or as a comment. ... If filter and detector temperatures are otherwise regulated or recorded, it may still be useful to record DOMETEMP in the data file as a Real*4 column. ...

... Observations have received at the telescope AT-64 of the Crimean Astrophysical Observatory . GRB . ... RA(2000): 11h 45m 10.54s . DEC(2000): 17o 24' 34.44" . ... Filter: none . ... Date, time (UT) . Exposure . ... 2000.07.29 18:21:52 . 30 sec . ... RA(2000): 19h 58m 19.61s . DEC(2000): 23o 32' 35.15" . ... 120 sec . ... DEC(2000): 6o 20' 47.07" . ... 240 sec . ... DEC(2000): 51o 46' 34.93" . ... DEC(2000): -13o 04' 30" . ... DEC(2000): +55o 18' 25.0" . ... 2000-11-09T16:03:19 . ...

... APT Activities and Science Results 3. ... APT Secretary Philip Edwards (ISAS) reviewed the aims of the APT (http://www.vsop.isas.ac.jp/apt/DefinitionAndAims.html). ... The Australia Telescope Compact Array, and Ceduna, Hartebeesthoek, Kashima, Mopra, Parkes, and Shanghai telescopes of the Asia-Pacific Telescope participated in these observations. ... In the absence of Tetsuo Sasao, Philip Edwards briefly described results of the APT 22 GHz observations conducted from October 1st to 5th, 1997. ...

RTT150 . ... Image was taken in February 2002. CCD ST8 +A07 and RGB filters with 5 minute exposure in each filter. Total exposure is 30 minutes. ... RTT150, F/16, CCD ST-8E, filters R (exposure 0.11 s), G (0.18 s) and B (0.26 s). ... RTT150, F/16, CCD ST-8E, exposure 0.11 s. Orion trapezium. RTT150, F/7.7, CCD ST-8E, filter U, exposure 0.3 s. Atmosphere stability is better than 1".1. ... RTT150, F/7.7, CCD ST-8E, filters R, V, B, exposure 30 s in each filter. ...

... Description . ... The SCORPIO-2 project: . ... The multi-mode spectrograph SCORPIO-2 was developed using the experience of observations at the 6-m telescope BTA with the SCORPIO focal reducer . ... The focal reducer consists of several units ('floors') mounted in the common case in the following order (from the telescope focal plane): . ... The focal reducer is connected with the platform-adapter which used for guiding by offset stars and for illumination the spectrograph by calibration lamps. ...

... Meade Instruments Corporation . ... Meade Pictor 616A Color Filter System Instruction Manual . ... Remove the Meade Pictor 616A Color Filter System from the telescope or camera. Use the supplied hex wrench to remove the three screws from the telescope side of the Meade Pictor 616A Color Filter System. Position your Meade Pictor 616A Color Filter System to align with the diagram below. ... Carefully screw each filter into the wheel, and re-assemble the Meade Pictor 616A Color Filter System. ...

... 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 . ...

A computer controlled low light photometer for nightglow observations. Hardware units of portable photometer for low light measurements, especially night glow emission is described. ... Interface card contain three channels of 24 bit counter, 4 channels of 12 bit ADC and the buffer bus for the controlled motors of the altazimuthal fork mounting and filters wheel, the position encoders. ... Where N( ) is output signal photometer generated input light flux F( l ) . ... PMT # . 599 . ...

... They cover a period of 4 days in which the Supernova continues to rise in brightness (what astronomers call magntiude). ... First Image Taken on March 11 at 8:22 UT. Second Image Taken on March 12 at 8:52 UT. ... The supernova is the same brightness as in the previous image taken 2 hours ago . ... This image, taken 24 hours after the previous image, shows the supernova to be another 0.21mag (or about 25%) brighter. ... Hopefully the images do show that the brightness of the Supernova is changing. ...

... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

System of astrometric databases of Pulkovo observatory. 26-inch refractor . Pulkovo system of astrometric databases consists of three databases, which contain results of processing photographic and CCD observations, obtained with the 26-inch refractor and the Normal astrograph of Pulkovo observatory. Pulkovo photographic catalogs: Pul-2, Pul-3 (Pul-3 SE), Pul ERS . Results of photographic and CCD observations of Solar system objects . ... Normal Astrograph ...

... Recent Topics . ... MAO main . ... Fw: The Europa World of Learning 2015 - Main Astronomical Observatory . ... Subject: The Europa World of Learning 2015 - Main Astronomical Observatory . Please update your entry for the the 2015 Europa World of Learning . ... Main Astronomical Observatory . ... The Europa World of Learning is your guide to academic institutions, staff . ... For your free trial of Europa World of Learning online visit . ... The Europa World of Learning, Routledge, . ... MAO NASU . ...

splitxyz - filter to divide (x,y,z[, distance ,heading]) data into (x,y,z) track segments . splitxyz [ xyz [ dh ] file ] -C course _ change [ -A azimuth / tolerance ] [ -D minimum _ distance ] [ -F xy _ filter / z _ filter ] [ -G gap _ distance ] [ -H [ nrec ] ] [ -M ] [ -N namestem ] [ -S ] [ -V ] [ -Z ] [ -: ] [ -bi [ s ][ n ] ] [ -bo [ s ] ] ... If xy _ filter is non-zero, the data is first divided into segments and then the x,y values of each segment are filtered separately. ...

... Sun images . ... February : 2013 . ... Image of Sun's photosphere obtained 09.02.2013 at 23:51 UT with HMI instrument on board SDO spacecraft . ... Image of Sun's magnetic field obtained 09.02.2013 at 23:57 UT with HMI instrument on board SDO spacecraft . ... Image of Sun's transition region obtained 09.02.2013 at 23:39 UT with AIA instrument on board SDO spacecraft . Image of Sun's corona . Image of Sun's corona obtained 09.02.2013 at 23:38 UT with AIA instrument on board SDO spacecraft . ...

... observatory code . ... projections of the geocentric radius-vector of observatory on the Earth equatorial plane and on the Earth rotation axis, dxy and dz, correspondingly; both quantities are expressed in parts of the equatorial radius of the Earth taken as 6378.137 km; they are known as parallax constants . ... The observatory code is a string that contains three symbols, the first one being digit or letter, the second and the third ones being digits. ... So, code B47 means number 1147. ...