Next: Data reduction Up: Spectral observations and data Previous: Observations with the KPNO . Follow-up spectroscopy with the CAHA 2.2m telescope was carried out during two runs (June and December, 1999, see Table 2 ), using the Calar Alto Faint Object Spectrograph (CAFOS) and Cassegrain focal reducer. During these runs a long slit of and a G-200 grism (187?mm -1 , first order) were used. ... FWHM) in the June run and due to CCD binning 20? FWHM) in the December run. ...

You don't need your own Voyager to see the solar system. You can see much of it from your own back yard. ... If you enjoyed The Nine Planets , go outside and take a look at what you just read about. ... Touring the Universe through Binoculars . ... Refer to Sky & Telescope or a similar magazine for up to date positions or check one of the several Web sites that show planetary positions. ... You can see 99.99% of the mass of the solar system with no instruments whatsoever: . ... William Herschel . ...

... Telescope . ... Low and medium resolution imaging spectrometer TFOSC (TUBITAK Faint Object Spectrograph and Camera) was build at Copenhagen University Observatory, and is similar in its layout to DFOSC at Danish 1.54-m, ALFOSC at NOT and to other instruments of this serie. ... CCD camera --- 2K x 2K Firechild, 30.72 x 30.72 mm. The field of view --- 13.3' x 13.3'. Filters --- Bessel (UBVRI), SDSS (u'g'r'i'z'), narrow-band filters. ... crossdispersion . ... 12.0 . ...

IV International Astronomy Olympiad . ... Text of these problems is available also . ... To solve every problem you may use constants and well-known values you know by heart. ... The apparent diameter of the Moon, as seen from the Earth, is 31'. ... Can you observe a star with magnitude . ... Consider the stars as black bodies. ... Estimate the diameter of a black hole constructed using this patent from a ship with the mass of 5000 tn (1 tn = 1000 kg). ... What stars would you observe this nigth? ...

... Astrophysics Group . ... MRAO Telescopes . RYLE . ... The Ryle Telescope, formerly known as the 5-km Telescope, was originally designed as an 8-element E-W interferometer with the objective of mapping individual radio sources with an angular resolution as good as that of large optical telescopes when it was built in 1971. ... The Ryle Telescope in a compact configuration. (б© Mullard Radio Astronomy Observatory, 1995.) ... For information on other MRAO telescopes, follow the links on the left. ...

RECREATIONAL TELESCOPES . ... ASTRONOMICAL TELESCOPES . ... The first line of LOMO® amateur telescopes 60 – 80 mm in diameter was produced in 1938. Now, under the ASTELE™ name, LOMO PLC and LOMO America are glad to offer you a new line of recreational astronomical telescopes ranging from 70 to 254mm in diameter, and a new line of spotting scopes from 30 to 95mm in diameter. ... Our line of recreational telescopes consists of several groups of scopes based on their optical parameters. ...

... Credit: STS-82 Crew , NASA Explanation: The Hubble Space Telescope 's second servicing mission has been completed. Every few years, the telescope is visited by a Space Shuttle to allow astronauts to switch old instruments for new. ... These new instruments will act like eyes sharing the 2.4-meter telescope mirror with the remaining instruments: the Wide Field Planetary Camera 2 and the Faint Object Camera . ... NASA Official: Jay Norris. ... Publications with keywords: Hubble space telescope . ...

... General information . ... Staff . Research staff . ... Historical highlights . ... In 1831, Giovanni Battista Amici , an optician from Modena, was invited by the Grand Duke Leopold II to preside as the Professor of Astronomy and to direct the "Specola", the observatory in Florence which was attached to the Royal Museum of Physics and Natural History. ... From that year, the telescope was used by Amici's young assistant, Giovan Battista Donati, mainly for observing comets and asteroids. ...

... C/2015 A2 (PanSTARRS) _ CK15A020 _ P10hmkD object - 80-я Panoramic Survey Telescope & Rapid Response System (Pan-STARRS)! ... C/2015 A2 (PanSTARRS) _ CK15A020 _ P10hmkD object, # 37 , MPEC 2015-B12 , CBET 4044 . ... C/2015 VL62 (Lemmon-Yeung-PanSTARRS) _ CK15V62L _ P10rIAX object = 2015 YY6 = 120-я Panoramic Survey Telescope & Rapid Response System (Pan-STARRS)! ... C/2015 V4 (PanSTARRS) _ CK15V040 _ P10pehf object = 110-я Panoramic Survey Telescope & Rapid Response System (Pan-STARRS)! ...

... Records were made this January when the RadioAstron satellite was joined by ground-based telescopes, forming a radio telescope 220,000 km across тАУ roughly 20 times larger than the Earth. RadioAstron , a Russian orbital telescope of 10 meter diameter, joined with ground-based observatories to resolve objects 50 times smaller than is possible with the Hubble Space Telescope. ... Images: . The RadioAstron spaceantenna observes a celestial radio source simultaneously with ground-based dishes