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. ...

... 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...

Stellarium 0.12.3 . ... Classes . ... SpaceShipObserver Class Reference . An observer which moves from from one position to another one and/or from one planet to another one. ... SpaceShipObserver (const StelLocation &startLoc, const StelLocation &target, double transitSeconds=1.f) . ... Get whether the life of this observer is over, and therefore that it should be changed to the next one provided by the getNextObserver() method. ... Get the next observer to use once the life of this one is over. ...

... Bad Astronomy . ... On Thursday, February 15th 2001 (and replayed on March 19), the Fox TV network aired a program called ``Conspiracy Theory: Did We Land on the Moon?'', hosted by X-Files actor Mitch Pileggi. ... Dust around the lander . ... However, it appeals to our common sense: when the sky is black here on Earth, we see stars. ... Bad: The program claims that when the top half of the lander took off from the Moon to bring the astronauts back into orbit, there was no flame from the rocket. ...

The revision of the MASS/DIMM star catalogue N. Shatsky, V. Kornilov March 16, 2008 Abstract The compilation of the (updated) version of the MASS (MASS/DIMM) device target catalogue is described. ... Then the list was cleaned according to following criteria: I. Remove stars too faint for a MASS device. ... Here the color equation of the Sternb erg device was taken: M AS S mag = V mag + 0.45 (B - V ); stars with M AS S mag > 3.2 were removed. ... This was made based on the GCVS4.2 catalogue data. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Mati†иre noire : une observation d†йfie les astronomes . ... A la une . ... En effet, selon les mod†иles th†йoriques, les concentrations de mati†иre noire sont les lieux o†µ naissent les galaxies. ... Une mati†иre noire au comportement ordinaire ? ... Etat du ciel . ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Апрель 1998 . ... From The Planetary Society Home Page: http://planetary.org/articlearchive/headlines/1998/headln-041698.html Mission Prepares To Collect Pieces of Stardust April 16, 1998 Earth's First Cometary Dust Sample Return Mission Will Fly Planetary Society Member Names to a Comet and Back Scientists and engineers continue to prepare the Stardust spacecraft for its February 1999 launch. ...

... MANNED SPACE FLIGHT LABORATORY LOCATION . The Manned Space Flight Center location study is completed. James E. Webb, Administrator of NASA, announced today the completion of the study to determine the location of the agency's new $60,000,000 Manned Space Flight Laboratory. The facility was authorized by Congress for initiation in the current Fiscal Year. The laboratory will be located in Houston, Texas on 1,000 acres of land to be made available to the government by Rice University. ...