... Imaging GRIN Rod Lens (HAG's) | Relay Rod Lens (LAG's) | ... The Refractive Index Distributions (RID) in GRIN lens preforms are made by multi-stage optimized ion-exchange diffusion between silicate mineral glasses and salt melts. ... In the LAG lenses - L ow A perture GRIN the nature of the changing of refractive index in glass via ion-exchange lies mainly in molecular volume increase. ... LAG lenses are specially treated to create the dark anti-flick surface coating (Fig.2). ...

. Final stage of OC "MIR" flight . OC "Mir" has ceased its existance . Flight procedure for March 23, 2001 . OC "MIR" layout . Press release . OC "MIR" destruction sequence . Trajectory report . 23.03.2001 . 03.53.14 The 1-st corrective impulse is performed normal. 05.24.28 The 2-nd corrective impulse is performed normal. 09.00 OC "MIR" has ceased its existance .

... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...

... 73P/Швассмана-Вахмана 3 . Комета 73P/Швассмана-Вахмана 3 . ... Комета 73P/Швассмана-Вахмана 3 и туманность М57 . ... Телескоп Хаббл и 73P/Швассмана-Вахмана 3 . Комета 73P/Швассмана-Вахмана 3 и М13 . ... Фрагмент С кометы 73P/Швассмана-Вахмана 3 . ... Фрагмент С Кометы 73P/Швассмана-Вахмана 3 . ... Комета McNaught - самая яркая комета 21 века . 12 января 2007 Комета McNaught - самая яркая комета . Комета McNaught - самая яркая комета южного полушария 21 века . ...

The Second U.S. Naval Observatory CCD Astrograph Catalog ( UCAC2 ) Table of Contents 1) Introduction 2) Summary of the Project a) Observations and Instrumentation b) Reductions of UCAC Observations c) Computation of Proper Motions 3) Properties of the Catalog and Important Notes For the User a) Sky Coverage b) Completeness c) Positions, Proper Motions and Error Calculations d) UCAC2 Magnitudes e) 2MASS Photometry f) Non-stellar ... All stars in the UCAC2 have proper motions. ...

Introduction to PLASMA ASTROPHYSICS (Selected 10 lectures) Boris V. Somov Astronomical Institute and Faculty of Physics Moscow State University Pushino-na-Oke, 2008 Contents Ab out These Lectures 1 Particles and Fields: Exact Self-Consistent Description 1.1 Liouville's theorem . . . . . . . . . . . . . . . . . . . 1.1.1 Continuity in phase space . . . . . . . . . 1.1.2 The character of particle interactions 1.1.3 The Lorentz force, gravity . . . . . . . . . 1.1.4 Collisional friction . . . . . . . . . . . .

... Ballistics, navigation and flight control of the spacecraft, going to the L2 point of Sun-Earth system. ... and calculation algorithms have been developed: - an algorithm, building nominal trajectories for one impulse flights to the L2 point of Sun- Earth system, including a Moon swingby maneuver or not. - an algorithm, calculating corrections of spacecraft trajectory needed for the flight from Earth to halo orbit and for stationkeeping of the spacecraft moving in halo ...

... 23 Apr 67 - 19 Jun 70 . Before Salyut's . Soyuz 1 - Soyuz 9 . 19 Apr 71 - 11 Oct 71 . Salyut 1 . ... 11 Oct 71 - 24 Jun 74 . Between Salyut 1 and Salyut 3 . ... 24 Jun 74 - 24 Jan 75 . ... 26 Dec 74 - 2 Feb 77 . Salyut 4, ASTP . ... 22 Jun 76 - 8 Aug 77 . ... 19 Apr 82 - 7 Feb 91 . ... 19 Feb 1986 - 27 Jun 1995 . ... 27 Jun 1995 - .. ... Soyuz-TM 21 - .. ...

... About meteorites . ... The RAS Meteorite Collection: History . ... The beginning of the Russian Academy of Sciences' meteorite collection was in 1749, when a huge piece of iron rock, weighing 700 kg, was found near Krasnoyarsk. ... A wonderful collection of meteorites was formed in the Forestry Institute (now the Timiryazev Agricultural Academy). ... Analysis of meteorites is performed by the Laboratory of Meteoritics (of the Vernadsky Institute, address: 119991 Moscow, Kosygin St, 19, tel. ...

... Phone: +7(4112) 390-481 . ... characteristics of VLF-emissions responsible for the energetic particle dynamics of the Earth s radiation belts . manifestations of seismic and thunderstorm phenomena in the VLF-emissions . relationship of VLF-emissions to the solar activity and interplanetary space parameters . ... Dr. Vladimir Kozlov . Electronics engineer Artur Ambursky . Electronics engineer Vladimir Sleptsov . Post-graduate Sergey Kondratyev . Post-graduate Aleksey Korsakov . ...

... Free image alignment/stacking/processing Software . My lunar drawings . ... REAL TELESCOPES . ... Download Pocket-Aberrator . ... The Aberrator is freeware that generates star-testing images to show the effects of aberrations (distortions) influencing the quality of a telescopes performance. ... The idea to make a program like the Aberrator I got after studying many internet-sites on star-testing and often the effects of certain aberrations were only available as literal descriptions. ...