Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Winer Observatory) was incorporated in 1983 as a 501(c)(3) non-profit public charity to perform basic research in astronomy, provide educational outreach programs, and provide site and maintenance services for small telescopes through cooperative agreements with other astronomical institutions. ... The picture at the top left of this page is of our facility near Sonoita, Arizona, approximately 50 miles southeast of Tucson, Arizona. ...

... THE 'VON OPEL FLIGHTS' . ... Raab, with his partner Diploma Engineer Kurt Katzenstein would apply to their lightest aeroplane the solid-propellant Sander rockets that had proven themselves so well in Fritz von Opel's rocket cars. ... The von Opel-Sander-Stamer-Lippisch tests were elevated to a full-scale airplane immediately after the model flights ; in effect, this was to be the first manned rocket flight. ... FRITZ VON OPEL at the controls of the Opel Sander Rak. 1 rocket plane. ...

System of astrometric databases of Pulkovo observatory. ... Pulkovo database of observations of visual double stars . ... The 3rd database contains relative positions of selected double and multiple stars, and stars with possible invisible satellites. The database requires catalog of relative positions of visual double stars, based on photographic observations performed since 1960 on Pulkovo 26-inch refractor, and similar catalog based on CCD observations, obtained since 1995. ...

11pt \topmargin 0pt \renewcommand{\textfraction}{0.05} \renewcommand{\topfraction}{0.95} \renewcommand{\bottomfraction}{0.95} \ newcommand {\mylabel}[2]{ \ noindent \ begin {minipage}[t]{185pt} \fontsize{6}{7pt}\selectfont {$Astronomical\; and\; Astrophysical\; Transactions$,} 2000, Vol.~#1, pp.~\thepage{}--#2 Reprints available directly from the publisher Photocopying permitted by license only \ end {minipage} \hfill \ ...

... Зеркальные цифровые фотоаппараты PENTAX . ... Эксклюзивный комплект PENTAX K-5 special edition + объектив 40mm XS . ... PENTAX K-5 Silver Special Edition с уникальным сверхтонким объективом PENTAX SMC DA 40 мм f/2.8 XS от Марка Ньюсона настолько привлекательна, что просто не может быть незамеченной! ... Объединяя в себе техническое совершенство и элегантный внешний вид, PENTAX K-5 Silver Special Edition станет настоящим подарком коллекционерам и просто ценителям отличной фототехники. ... Pentax.ru ....

... B.V. Somov . head of the department . ... room 80 . ... senior research felow . ... research felow . ... research fellow . ... Our department performes the following most perspective studies: . Special analytical and numerical experimental investigations of the solar plasma involved in the magnetic reconnection process at the Sun. ... Head of the seminar: Prof. B.V. Somov. ... 27 September 2013 The Solar Physics Department was visited by journalists of the leading Russian TV channel "Vesti-1". ...

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

This is a progress report on the 2dF QSO Redshift Survey as was presented at the Second Coral Seas Cosmology Meeting on Dunk Island, September 1999. Three talks about the survey were presented at the conference. The others were.... QSO Clustering and Large-Scale Structure , Scott Croom et al . QSO Evolution and the Luminosity Function , B.J. Boyle et al . | << - Meeting Proceedings | Talk Overview - >> | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .

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