Standard analog magnetograms (20 mm / sec) are presented in the form of digital images, . ... Observatory, . ... 1949 , 1950 , 1951 , 1952 , 1953 , 1954 . ... 1951 , 1952 , 1953 , 1954 , 1955 , 1956 , 1957 . ... 1950 , 1951 , 1952 , 1953 , 1954 , 1955 , 1956 , 1957 , . ... 1950 , 1951 , 1952 , 1953 , 1954 , 1955 , 1956 , . ... The project was conducted in 2003 by the International Council for Science ( "Rescue of Old Analogue Magnetograms by converting to digital images" , ICSU Grant–2003 Project). ...

... Electrode polarization measurements . ... Processing of ceramic materials, electrode systems and electrochemical cells . ... The measurements are carried out in the 3-electrode cells with working (WE), counter (CE) and reference (RE) electrodes. ... The impedance measurements enable to separate Ohmic losses associated with the resistivity of the electrochemical cell components from the polarization losses resultant from slow kinetics of the electrode processes: . ...

Radio Interferometry Principles . Radio Interferometry Signal Processing . ... A radio interferometer consists of a pair of directional antennas that are tuned to receive radio emissions from a source in a desired RF band. ... The antennas are pointed at the radio source of interest and are set up to receive the signal and process it into a form suitable for transmission to the correlator. ... In connected element interferometry, the digital signal goes directly to the correlator. ...

... The core components are a Central Processing Unit (CPU), a Programmable MultiAxis Controller (PMAC), two analog input/output boards and a power board. ... The two analog boards are used for measurement of the catseye drive preamplifier, focus, trolley roll, thermometers, accelerometers, limit switch status, supply voltages and some motor signals. ... 2 The Trolley Computer The delay line trolley CPU is a single board computer embedded in the electronics bay of the trolley. ...

The primary purpose of KM-7 is to measure the temperature of cold electrons Te in Plasmasphere. ... The spacecraft potential can be evaluated from these measurements. ... MLT . ... Fig.1 . KM-7 measurements in MRK mode during the whole orbit 124 , 27.IX.96. ... Preliminary results . In period considered SC passed the plasmasphere at low and middle latitudes near L < 4 at heights = 8000-10000 km. At L > 4-5 and heights > 8000-10000 km SC was in auroral zone. ...

Russian Space Science Internet (RSSI) is a successful result of RSSI Project. ... space oriented organizations; . ... RSSI offers for its members : . ... videoconferences via MBONE Internet protocol (there are 2 tunnels available now through the general IP network: one to NASA Internet, and another to Moscow State University); . ... It is designed so that all organizations connected to the RSSI gain access to the resources of Russian computer networks as well as world wide Internet. ... nic@rssi.ru ...

... Planetarium Staff . ... Armagh Links . ... Planetariums have come a long way since they first appeared in the 1920s.€а The dream equipment then was the electromechanical star projectors brought to their developmental zenith by the famous Zeiss optical company in Germany.€а Today Zeiss still makes some of the best optical star projectors systems in the world with wonderfully sharp stars. ... World's First Successful Planetarium Video Projection at Armagh Planetarium . ... SEARCH ARMAGH PLANETARIUM . ...

... BIK-01 digital channels . ... MSU-E (1) . ... MSU-E ( n ) - data from MSU-E instrument (channel number in brackets). ... In modes 708...712 (when both MSU-E scanners operate simlutaneously), video information from same spectral channels of both scanners is transmitted line-interlaced in single corresponding channel of BIK-01. ... 701 - all MSU-E channels, no MSU-SK data; . 703 - all MSU-E channels, MSU-SK channels 2 and 4 (line-interlaced); . 706 - all MSU-SK channels, no MSU-E data. ...

... The computer control systems and the data analysis software tools are being developed simultaneously and are used with the mock-up hardware to simulate the data acquisition process. ... Software which handles the commissioning tasks, engineering analysis, and data processing are being developed in the AIPS++ system. ... Here we give some examples of the software being developed and we show some of the tools available in the AIPS++ programming and analysis environment. ...

System parameters on Digital UNIX . ... Digital and Cray use the number of bytes as the KIND -parameter. ... LOGICAL Default byte word KIND number = 4 1 4 LOGICAL Default double quad KIND number = 4 8 16 INTEGER int15 int31 int63 KIND number = 2 4 8 digits = 15 31 63 radix = 2 2 2 range = 4 9 18 huge = 32767 2147483647 9223372036854775807 bit_size = 16 32 64 REAL single double quad KIND number = 4 8 16 digits = 24 53 113 maxexponent = 128 1024 16384 minexponent = -125 -1021 -16381 ...

Astrophotography Forum Message . ... Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... Post . ... Astronomy CCD Vs Digital Camera . ... Post Message | ... This is a "lower resolution" CCD with about 250,000 pixels. ... Can post processing (deconvolution) and stacking images improve resolution? ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... AAS 225 . AAS 223 . AAS 221 . ... In this graph I show how the number of friends and followers of users were distributed for the AAS 225 tweets. ... Total number of tweets , of which were made by the following accounts (the cut off to appear is tweets): . ... This is an experimental (i.e. it looks a bit naff) look at whether tweeting about AAS 225 changes your follower count; I got the idea after a conversation with @peterdedmonds about how tweeting about talks can change your follower count. ...

... The antenna system . ... A military radar system, consisting of two identical radars, was transferred to the Institute of Solar-Terrestrial Physics (ISTP). ... The system features a two-channel transmit-receive antenna. ... By changing the phase difference in the channels, one is able to modify the shape of the total channels' beam in the angle-of-elevation plane. ... The total beam is controlled by introducing the phase signal into the excitation signal of one of the channels. ... Peak power.. ...

ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...

Next: Influence of Climate Variables Up: C.J. Butler Previous: C.J. Butler Contents . A paper describing the calibration of the long temperatures series (1795-2003) from Armagh Observatory was accepted for publication by the International Journal of Climatology. ... This material is of the utmost importance for future studies of the Armagh climate series which, now that they are standardised, receive more and more attention by climatologists. ...

... Окуляры . ... Опора для окуляра . Микрометрический винт движения площадки фотокамеры по горизонтали . ... Объектив просто не дотягивается до оптической оси окуляра. ... Расстояние от крепежного винта фотоаппарата до оптической оси окуляра (винт справа или слева от окуляра) 52мм. ... Например, расстояние от площадки до оси 24мм окуляра НПЗ UWA составляет 33мм, а расстояние от нижней части фотоаппарата Nikon CoolPix 4300 до оптической оси его объектива 23мм, т.е. для совпадения осей не хватает 10мм. ...

... USNO A2.0 Catalog: A Digital Sky . ... Credit: PMM Team , USNO Flagstaff Station Explanation: Here lie 526,230,881 of the brightest stars known. ... Yellow corresponds to 150,000 stars per square degree, while dark blue corresponds to only 500 stars per square degree . ... Dark dust lanes are evident there by the great number of stars they obscure. ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: POSS - sky . Publications with words: POSS - sky . ...

Performance of the Digital Science Partnership Remotely-Operated 0.5-Meter Corrected Dall-Kirkham Telescopes John Kielkopf1, Brad Carter2, Carolyn Brown2, Rhodes Hart2, Jeff Hay1, Ian Waite2 OVERVIEW The Digital Science Partnership is a collaboration between the University of Louisville and the University of Southern Queensland to develop remote and robotic astronomical instrumentation and software, primarily for education, student research, and teacher training. ...

Mobile Device to Digitize the photographic plates: first results Grosheva E.A., Izmailov I.S., Khrutskaya E.V. Pulkovo Astronomical Observatory, Russian Academy of Sciences, St. Petersburg, Russia Abstract -- The first results of astrometrical reduction for 40 Saturn and Pluto's plates are presented. ... This method of digitization and astrometric reduction of photographic plates using a digital camera is developed due to the problem of plate archive transportation to the high-tech measuring machines. ...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...