... Meade Instruments Corporation . ... How to Calculate Power . How to Calculate Power: The magnification, or power, at which a telescope is operating is a function of the focal length of the telescope's main (objective) lens (or primary mirror) and the focal length of the eyepiece employed. ... Example: The Meade DS-2070AT telescope has an objective lens focal length of 700mm; when this telescope is used with a 25mm eyepiece, a power of 700/25 = 28 power (written as "28x") results. ... about meade | ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Winer Observatory gratefully acknowledges the generous support of those listed below. ... We thank our donors and hold them up as models of how corporations in America can behave responsibly in the communities in which they do business. ... Telescopes, parts, and accessories . ... 100,000 . ... Hughes Missile Systems . ... Miscellaneous electronics . ... Terra Universal, Inc. ... EFI Electronics Corp. ... 2013 Winer Observatory. ...

Authors: V.A. Marsakov , Yu.G. Shevelev , . Journal: 1988, Astron Zh. ... Absolute magnitudes, metallicities, effective temperatures, surface gravities, distances, and tangential velocities are calculated for 5498 F stars with homogeneous data on uvby photometry and proper motion, and placed within 80 pc from the Sun. Components of space velocities, eccentricities of galactic orbits, perigalactic and apogalactic distances, and maximal remotness from galactic plane are presented for 1787 stars. ...

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... It is suspected by many that the flat fielding difficulties that are encountered when trying to do photometry using SPIcam on the 3.5-m are caused by scattered stray light falling on the telescope focal plane. ... These smoothed data will be used to evaluate the scattered light model calculations. ... For source angles between 15 and 60є, at 1є intervals the vendor will compute single point, on-axis scattered light PST ratios using the initial 3.5-m scattered light model. ...

. To enter several commands on the one command line, use a ; (semicolon) to seperate each one from the next. For example: cd ..; ls -l . This command line contains two commands. The first, cd .. changes the current directory to the parent directory. The second, ls -l produces a long listing of the contents of the curent directory. If necessary you can continue the commands onto another line.

polimodel -- Produce model linear polarization and position angle images . ... Whether to apply random errors to output polarization and position angle values. seed = "" [integer] . ... This task produces a model linear polarization image and corresponding position angle image from an input image assumed to represent intensity (Stokes I parameter). ... A threshold for the input image can be defined such that polarization and position angle are not computed for input values less than this threshold. ...

... The electronic journal Astrophysical Bulletin is a renewed version of the journals which SAO RAS published earlier as Bulletin of the Special Astrophysical Observatory (1993-2007, vol. 35-61) and Astrofizicheskie issledovaniya (Astrophysical Research) (1970-1992, vol. ... Balega, Corresponding Member of the Russian Academy of Sciences, Dr.Sc. Phys.-Math.) ... Prof. V.L.Afanasiev, Dr.Sc. ... G.M.Beskin, Dr.Sc. ... Full Member of RAS, Ioffe Institute, St.Petersburg, Russia; Prof. Yu.N.Gnedin, Dr.Sc. ...