Atmospheric transparency in the optical and near IR range above the Shatdzhatmaz summit O.Voziakova (Sternberg Astronomical Institute, Russia) Atmospheric extinction in the MASS spectral band Atmospheric transparency in near IR range Example of a good photometric night. ... Distribution of atmospheric extinction in MASS Median = 0.23 mag 1-st quartile = 0.20 3-d quartile = 0.27 mag Vertical green line represents theoretical Rayleigh extinction for Shatdzhatmaz (0.16 mag). ...

п'? . PubliГї le 21/09/2014 par Jean marie Delaporte . Date : 10/04/2014 . Lieu : Ablon 14600 . MatГїriel de prise de vue : Apn compact canon Ixus 115hs Г l'oculaire 20mm d'un telescope dobson 300/1500 . Commentaires : Le cratГЕre Platon dans son environnement, entre le golfe des Iris et la vallГїe des Alpes. Bon, ma photo ne mГїrite pas 3 points, mais un point et je suis dГїjГ content!!!

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... 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. ...

... Home Terms of Use . ... This MonthтАЩs Sky тАУ April 2015 . ... Beyond New York City . ... All content (тАЬcontentтАЭ will be understood to encompass all logos, text, imagery, and design) on this website is copyright €й 2008-2015 Amateur Astronomers Association of New York (AAA) except where indicated, and is provided under the following terms of use. ... Its content cannot be reproduced, in part or in whole, without the express consent of the Amateur Astronomers Association of New York. ...

... The reduction system of observations FADPS (description in Russian) (Flexible Astronomical Data Processing System) for data of wide-band receivers of the first observation cabin of the radio telescope RATAN-600 had been created under the Unix-like operational system DEMOS for computers of the SM-1420-type (PDP/11) in 1987 for observation analysis and estimates of coordinates and flux densities of radio sources. ... FADPS: flexible astronomical data processing system at RATAN-600 in UNIX environment....

... However, our studies show that Prosilica EC650 has very good p erformance to use as DIMM image detector. ... The sub-directories /opt/dimm/data/out for the output data file, /opt/dimm/data/log for the output log file yymmdd-dimm.log and /opt/dimm/etc for the configuration file must b e created. ... Pictures mode The Pictures mode provides grabbing of the star b ox images and storing their sequence as one output file "b oxrecord.fits" in /opt/dimm/data/images/ sub directory. ...

... Basic Space Sciences in HighSchool and Cooperation in Space Education Pro jects 9 4 UNIVERSAT-2006 SCIENTIFIC PROGRAMME June 26, 2006, Monday 10:0013:00 Registration 13:0015:00 Lunch 15:0016:30 Opening Ceremony and Invited Reports INVITED REPORTS (30 min) 15:2015:50 Haubold, H.J., The United Nations Basic Space Science Initiative 15:5016:20 Krasotkin S.A., Panasyuk M.I., Radchenko V.V., Space research scientic and educational ... Chalova E.R., Aerospace images in school education 4. ...

... Contents of the Tycho Catalogue Over view of the Tycho Catalogue: The Tycho Catalogue provides astrometr y (positions, parallaxes and proper motions) and two-colour photometr y (in B T and VT ) for more than one million stars brighter than VT = 11.5 mag. ... Stars in ver y dense clusters and other dense fields thus leaving the resulting Tycho Catalogue incomplete in such regions `R' in Field T42). ... The number of non-Hipparcos stars with Tycho Catalogue parallaxes larger than 40 + 4 mas is 1245. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Although their determination is based on the scattering process model, independent check-ups by rocket experiments have shown their correctness in experimental applications. ... Ionospheric data analysis, especially during strong disturbances, cannot be without some other kinds of diagnostic tools. ... The lack of data has always been a challange in this case. ...