Pulkovo Photographic Plate Database . To find a certain plate, type its number, choose instrument and click button FIND Instrument: Normal Astrograph 26-inch refractor Plate number: . To find plates with a certain sky area: choose instrument, type coordinates (R.A. and Dec.) of the center of this area, type radius of this area, type (optionally) names of required objects, and click button FIND . ...

Janus ( "JAY nus" ) is the sixth of Saturn 's known satellites: orbit : 151,472 km from Saturn diameter : 178 km (196 x 192 x 150) mass : 2.01e18 kg . ... J anus and Epimetheus are " co-orbital ". ... Their orbital velocities are thus very nearly equal and the lower, faster one slowly overtakes the other. As they approach each other they exchange a bit of momentum the end result of which is to boost the lower one into a higher orbit and to drop the higher one to a lower orbit. ... Saturn .. ...

This artistтАЩs impression shows exoplanet HD 189733b as it passes in front of its parent star, called HD 189733A. HubbleтАЩs instruments observed the system in 2010 and in 2011 following a large flare from the star (depicted in the image). Following the flare, Hubble observed the planetтАЩs atmosphere evaporating at a rate of over 1,000 tons per second. ...

Appendix: COODINATES OF OBSERVATORIES . This list is the extension of Marsden's list of observatories published in тАЬMinor Planet CirculariesтАЭ. ... тАЬThe Astronomical Year-Book for the year 1942тАЭ, 1941, p.355-360, in Russian . ... The numbers 0-999 were taken in according to Marsden (Ref.1), the numbers from 1000 were appropriated by us. ... For observatories with numbers 0-999 and code of reference 1* the heights were taken by maps . ... For numbers 0-999 the code equals 1 usually. ...

... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope 's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication SSRT - Siberian Solar Radio Telescope . ...

... Sandy Gas Jets Hypothesized on Mars . ... These spots typically span 50 meters across and appear fan shaped. ... Ceres: Asteroid or Planet . ... Ceci n est pas un Meteore . ... Few cosmic vistas excite the imagination like the Orion Nebula, an immense stellar nursery some 1,500 light-years away. ... The North America and Pelican Nebulas . ... To the right of the North America Nebula, cataloged as NGC 7000, is a less luminous nebula that resembles a pelican dubbed the Pelican Nebula. ... Cosmic Rays ...

... Solar Flare Observations Using the X-ray Telescope on Hinode . ... The satellite Hinode (Solar-B), Japanese for sunrise, was launched in September 2006 on a mission to study the Sun, specifically, sunspots which give rise to powerful flares and solar storms. The origin of solar flares is a mystery scientists hope Hinode will help unravel. ... What drives solar flares and creates the Sun’s magnetic fields? ... 2017 Total Solar Eclipse . Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

The telescope of Galilei was invented in 1609. Telescope (from tele ... and scope ) is an astronomic instrument for the celestial luminaries study on their electromagnetic radiation. The telescopes are divided into gamma-telescopes, X-rays and ultraviolet, optical, infrared and radiotelescopes. ... The first astronomic observations with telescopes (optical refractor) were carried by Galilei in 1609. Back . ...

... Practical 1 / 8 Ebony Violin Peg Instrument Accessory . Size: SIZE 1 / 8 . ... Type: Violin Peg . For: Violin . Material: Ebony . ... Product size (L x W x H): 6 x 1.8 x 0.7 cm / 2.36 x 0.71 x 0.28 inches . Package size (L x W x H) : 7 x 3 x 2 cm / 2.75 x 1.18 x 0.79 inches . Musical Instruments . ... Package Contents: 1 x Violin Peg . ... Повседневные (casual) платья . ...