... I have compiled a list of throughput filter curves from a variety of telescopes, instruments, and surveys. Click on the name of the filter to download it. The first line of each filter is the zeropoint for that filter. If the filter is in the AB system, it is listed as 0.0 (or in otherwords -48.55). ... Filter . Effective Wavelength . ... A_V . ... 0.987 . ... 0.050 . ...

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 . ...

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 . ...

... Time calculated from Fermi GBM Trigger Time = 14:12:08.67 ( Connaughton, GCN 9230 ). 1% coincident with our start zero image time. 3x3 degrees around Swift XRT position . ... SUBJECT: GRB 090424 : MASTER-Net prompt optical limit DATE: 09/04/25 20:29:42 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski ... Our observations results: ---------------------------------------------------------------------- Fermi GRB Trigg.* ...

Automatic Detection of NEOs in CCD Frames . ... CCD frames obtained with modern telescopes with robotic operation allow carrying out standard observation programs for detection of peculiar objects on stellar backgrounds, as is the case of Near Earth Objects (NEOs). ... In this paper, we present original algorithms for automatically detecting dim NEO images in telescope frames, considering both sidereal and differential tracking [2]. ...

... Maidanak Observatory by AZT-22 1.5m telescope observations Alexander S. Gusev and Boris P. Artamonov Sternberg Astronomical Institute, Moscow, Russia gusev@sai.msu.ru INTRODUCTION Mount Maidanak Observatory at Ulugh Beg Astronomical Institute (UBAI) of Uzbek Academ y of Sciences located in the South Uzbekistan, on the slopes of the Baisun range, at an altitude of 2600 m. Brief history. ... Here we are presenting the study of the realistic seeing of CCD images obtained on the AZT-22 telescope. ......

... Астрономические каталоги . ... Астрономический Интернет . ... на учебный Автоматизированный Астрономический Комплекс Новосибирского Государственного Университета. ... Автоматизированный Астрономический Комплекс оснащен телескопом-рефлектором системы Ньютона с параболическим главным зеркалом диаметром 315 мм. и солнечным телескопом-рефрактором с объективом диаметром 100 мм. ... Расположен астрономический комплекс на лабораторном корпусе НГУ в Академгородке, 30 км к югу от г. Новосибирска. наверх . ...

... Parameters . Filters . ... Direct images . ... The SCORPIO-2 project: . Spectral Camera with Optical Reducer for Photometric and Interferometric Observations - 2 . The broad-band glass filters made in SAO RAS are used for the observation in the Johnson-Cousins (UBVRI) photometric system in the direct images mode. The glass filters transmission curves are shown by solid line. ... The filters transmission curves of the `comets' filters measured with the SCORPIO-2 in the F/4 beam. ...

M81 is one of the classic grand design spiral arm galaxies. ... Hubble Space Telescope OBSERvations have detected Cepheid Variables in the some fields on the outskirts of M81 and thus M81 is a fundamental calibrator of the Extragalactic Distance Scale. This exposure is taken through a blue filter using re-imaging optics on a 52-inch telescope. ... The exposure time was 30 seconds. ... The Ultraviolet Image of M81 comes from the Ultraviolet Imaging Telescope which is flown on the Shuttle. ...

... 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) . ...

... Master . Master net Homepage . ... Ten years ago it was realized that robotic observatories boost the capabilities of astronomical observations of non-stationary and short-lived phenomena in the Universe. ... The first Russian robot-telescope MASTER was developed in 2002 and installed nearby Moscow. ... OAO MO "Optica" has mastered the production of such systems. The workshop is devoted to the results achieved by MASTER-net, that recently stretch over the globe from Blagoveshensk to Argentina. ...

... This telescope is also able to be used in a non-assisted manner. ... Upon availability, the use of the Club's 10" dobsonian mount telescope. Upon availability, the use of the Club's 16" Meade LightBridge telescope. ... Use of the Club's Coronado Personal Solar Telescope and Cemax Eyepieces. Use of the Club's Video Eyepieces. ... Use of Club Binoculars. ... It's all part of being here and just one of many telescopes that are the benefit of being a member of the Richland Astronomical Society. ...

To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...

Contents. planet: 5 - Jupiter satellites: J7 - Elara : 12, J8 - Pasiphae : 6, J10 - Lysithea : 12, J11 - Carme : 16, J12 - Ananke : 3, J13 - Leda : 3 total number: 52 type: absolute dates: 1992, 1993, 2003 observatory: 568 - Mauna Kea 691 - Steward Observatory, Kitt Peak-Spacewatch 938 - Linhaceira Reference. ... 691 - J. Scotti 938 - R. Goncalves. data included in standard data file: no Comments. ... Hour of right ascension (alpha, h) 6. ... Degree of declination (delta, deg) 9. ...

... Watchouts . ... Any XMM-Newton users, who need to convert OM count rates in the optical and UV filters into fluxes (expressed, e.g. , in erg/cm/cm/s/A), can do it by following any of the methods we outline below. OM count rates can be obtained with SAS. ... UVW1 . ... UVM2 . ... convert from count rate, obtained with SAS (files *SWSRLI*, corrected count rate in CORR_RATE column), to flux, selecting the most appropriate factor for the chosen spectral type and filter from the following Tables: . ...

. Image where taken 11.03.97, 02:25.3 UT (exp 30s) at the Moscow observatory of SAI , using 0.10-m F/2 camera (installed on AVR-1 refractor) with CCD SBIG ST-8 and with B filter . by . V. Esipov and A. Martis . [ Go to next observation ][ Go back to Our observations list ] . Andrew A. Martis . martis @ sai.msu.ru .

ASTRONOMICAL RESEARCH: FROM NEAR-EARTH SPACE TO GALAXY» (190th anniversary of Nikolaev Astronomical Observatory) Compiled Astrometrical Catalogue 196600 Reference Stars for CCD-observations of 240 Extragalactic Radio Sources V.Ryl'kov, N.Narizhnaya, A.Dement'eva Pulkovo Observatory of RuAS G.Pinigin, N.Maigurova NII Nikolaev Observatory of UAS 196600 CCD- 240 ., ... ERS ( FK3-FK6) 23.09.11 2 *** (ERS) ( 18-22 mag), . ... 11 , , CCD- ERS, ICRF. 10 c. UCAC3 . ... 23.09.11 16 196600 CCD- 240 . ...

Participant 5 (P5) ================== Dr. V.P. Tishkovets - Astronomical Observatory, Kharkov University, UA Dr. N.N. Kiselev - Astronomical Observatory, Kharkov University, UA P.V. Litvinov - 26 years old; Astronomical Observatory, Kharkov University, UA S.A. Beletsky - 28 years old; Astronomical Observatory, Kharkov University, UA The head of the team, Dr. Tishkovets, and Mr. Litvinov made many investigations of light scattering by clusters of particles - analogues of interplanetary dust grains. ...

... Meade Series 4000 Nebular Filters incorporate the very latest in interference coatings technology. ... Technical Basis of the Meade Broadband Nebular Filter: As shown in the transmission graph below, the Meade Broadband Nebular Filter strongly rejects the light of sodium- and mercury-vapor lights as well as natural airglow and auroral emissions. ... Meade Series 4000 Narrowband Nebular Filters . ... Meade Series 4000 Oxygen-III Nebular Filters . ... Meade Series 4000 Photo-Visual Color Filters . ...

Next: Getting the Dispersion Up: Geometric Correction Previous: Geometric Correction . For optimum results, it is important to use a comparison spectrum with as high a signal-to-noise ratio of the lines as possible. ... The algorithm detects lines whose strength exceeds a certain threshold (parameter THRES ) above the local background. ... The command IDENTIFY/LONG allows an initial interactive identification, by wavelength, of some of the detected lines. ...