... Since GCVS IV, there was no new GCVS edition. ... Main reasons for the automatic-survey new variables remaining outside the GCVS for a long time:  different level of detail of the classification systems, no perfect software for automatic classification available;  individual approach to each star that was always used in the GCVS cannot be applied any longer, but the experience of automatically- updated catalogs evidences for the number of errors ...

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The S un Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic ... Low mass stars live and die differently than high mass stars. ...

. Russian Version [ MS-Win ] . [ News ] . [ Satellite data ] . [ SMIS ] . [ ] . NOAA 14, 1997.04.16 10:37 GMT . St.Petersburg . Pseudo-colour image. Red - channel 3, Green - channel 2, Blue -channel . St. Petersburg . August 1996. True-color composition from NOAA 12 and NOAA 14 AVHRR Channel 3 data using images acquired at different times of a day. Back to SMIS Home Page .

. NEVER look directly at the sun without a proper solar filter! . We have lots of different equipment available for use. Here you see our 6" solar filters. Our club always recommends that you use a FULL APERTURE solar filter. In the picture you will notice a TYPE 2 filter for VISUAL use and a TYPE 3 filter for PHOTOGRAPHIC use. Here is an easy way to remember which type solar filter you need for VISUAL OBSERVING: You have 2 EYES so you need a TYPE 2 filter!! .

... NASA Astronaut (former) . ... Graduated from East Detroit High School, Eastpointe, Michigan, in 1973; received a bachelor of science degree in bioscience from the U.S . Naval Academy in 1977; a doctorate in medicine from Wayne State University in 1981; a master of science degree in systems management from University of Southern California in 1988; a master of public health degree in health policy from the ... Top graduate, Naval Flight Surgeon Training and Naval Safety Officer's School. ...

... Meade Instruments Corporation . ... Choosing the Right Microscope . ... On most microscopes the specimen glass remains fixed while the microscope's objective lens and eyepiece move as a unit up or down to focus the image. ... Eyepieces of varying powers work with objective lenses of varying powers to yield a range of microscope magnifications. ... Magnification: The effective magnification of a microscope is determined by multiplying the eyepiece power by the objective lens power . ... about meade |...

... Разные фотографии [ 1 ] . ... Фотографии [2] . ...

яЛП . PubliУ? le 29/12/2009 par Ciferri Filippo . Date : 10/10/2006 . Lieu : Rome - Italy . MatУ?riel de prise de vue : Vixen Visac f/9 on Celestron CGE SBIG ST10 XME with CFW-8A Ha:61x20min bin1x1 (13nm) R: 13x10min bin1x1 G: 13x8min bin1x1 B:13x18min bin1x1 . Commentaires : The image was taken during more then 15 different nights

To the Deputy Head of the Administration of Russian Federation President Mr. A.V.Ogarev . ... First the international space station (ISS) Alpha, which is under construction now, will compare to the OS Mir on the amount of information only in 5-7 years. ... Thirdly, the participation of Russian Federation in the international space projects, including work on the international space station (ISS) Alpha, is to be aimed first of all at the providing of Russian interests. ...

LOMO PLC . ... There are different ways to contact us: . The address: Russia, 194044, Saint-Petersburg, Chugunnaya street, 20 . ... Fax: . E-mail: . ... 7-812- 542-1839 . info@lomo.ru . 321421 LOMO . LOMO working hours: . Monday - Thursday from 8:00 till 16:42 . Friday from 8:00 till 15:42 . ... 7-812- 248-2936, 7-812- 324-8453 . FAX: 7-812- 542-5322 . E-mail: info@lomo.ru . You can e-mail your inquiries directly to our managers: . sales department: . ...