DISCLAIMER: The larger the aperture, the more light a telescope will gather and the fainter the object you can see. Here is a range of magnitudes you might expect to see. Given excellent sky conditions and good optics, a well trained eye can sometimes add up to 0.8 magnitude to these values. Limiting Magnitude depends on much more than the instruments aperture. ... One formula is for aperture in inches the other is for aperture in millimeters. ... Aperture (inches) . ... 15.2 . ...

The Hubble orbiting telescope. The Earth's atmosphere, while transparent to visible light, absorbs most "electromagnetic radiations" which belong to the same family as light: parts of the infra-red (IR) and all of the ultra-violet (UV), X-rays and gamma rays. ... The Hubble telescope , in low Earth orbit, overcomes such limitations, in the visible range and in part of the UV. ... Some satellites specialize in observing the Sun, such as the Japanese Yohkoh and NASA's SOHO . ...

... Recent Topics . ... MAO main . ... Fw: ASTRONET: Task 5.4 - observing schools . ... Subject: Re: ASTRONET: Task 5.4 - observing schools . ... second half of September, and which will be funded by the training and . ... www.iap.fr/opticon/neon_schools/2014/index.html . ... intended for master and starting PhD students. ... actions on observing schools, providing access for students, Master . ... observing schools for master students. ... in form of observing schools for pre-PhD students. ... MAO NASU...

... A form allowing access to any MPEC is at the bottom of this page. ... Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Prepared using the Tamkin Foundation Computer Network MPC @CFA.HARVARD.EDU URL http://www.minorplanetcenter.org/iau/ mpc .html 2010 NJ1 Observations: K10N01J * K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J ... C51 WISE. ...

... At the end of each night, send the data you have collected over to the VAX cluster. ... Once there, type: cd home sbast92 observer. This will put you into the data directory. Type mkdir and create a new directory under mtsb named for the month and the date after midnight. (ie. for the night of November 2 to the morning of the 3, use NOV_3. ... Check to make sure you are in the right directory by typing path. home sbast92 observer NOV_3 is what you would see if you used the example from above. ...

... Melted remains of Cassegrain spectrograph areтАж . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . ... Title: Melted remains of Cassegrain spectrograph are on the remains of the observing carriage . Description: Newtonian platform has collapsed, gears for platform rest on the dome track . ... Melted remains of Cassegrain spectrograph are on the remains of the observing carriage Newtonian platform has collapsed, gears for platform rest on the dome track . ...

Conclusions . The origin of the structure in the Universe is one of the most fundamental problems in astrophysics. ... Observe stars in process of formation ? Learn about control of the formation of stars and ISM ? Discover seeds of structure we now observe ? Observe raw materials of structure at early epochs ? Observer first Galaxies . Previous slide . Back to first slide . ...

... Марс Обсервер - автоматическая межпланетная станция, которая согласно одноименной программы НАСА, должна была производить наблюдение за Марсом с орбиты искусственного спутника планеты. ... Национальное Космическое Сообщество Франции, . ... Такая реакция могла вызвать разрыв трубопроводов с выбросом из них гелия и монометилгидразина, что заставило космический аппарат вращаться и могло нанести критические повреждения электрическим цепям. ... Mars Observer . ... Марс-96 . ... Союз (космический корабль)...

Добро пожаловать, Гость . ... В теме В разделе По форуму . ... Астрофотография (Модераторы: Павел Бахтинов , Ivan Mhitarov ) ? Венера на вечернем небе. Подмосковье, 03-04.06.2005 . ... 0 Пользователей и 1 Гость просматривают эту тему. Гость . ... В минувший weekend удалось сфотографировать Венеру на фоне вечерней зари. ... Записан . ... Ответ #1 : 08.06.2005 [16:33:26] ? ... Цитата: observer от 07.06.2005 [15:10:43] В минувший weekend удалось сфотографировать Венеру на фоне вечерней зари. ...

... This year's eclipse is unique in duration. ... Although, at the present time, there are 6 solar observatories belonging to leading space agencies in orbit around the Earth, the eclipse of 22 July, 2009, will only be seen by two of them: the Russian CORONAS-PHOTON satellite equipped with TESIS telescopes and Japan's HINODE satellite fitted with an XRT space telescope. ... TESIS will be the first of the two devices (and the very first on Earth) to witness the solar eclipse. ...

. Album : asv-album :: Travels to distant places and countries :: 1998/03 Tashkent (Uzbekistan) . Up . << Prev . Nobody seem to observe anything on that telescope. Next >> . Photo album generated by photo album generator a Marginal Hack written by Dave on Tue Jun 23 14:46:31 2015 .

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

... Proposals will be accepted until 1 May 1997 and should be sent to: Mary A. Cragg Mount Wilson Institute 740 Holladay Road, Pasadena, CA 91106 USA e-mail: mwi@mtwilson.edu Haystack Observatory Call for Proposals ---------------------------------------- Haystack Observatory invites proposals for the use of the 37-m radio telescope for observations in the following wavelength bands: 3-mm (85-115 GHz ) 7-mm (35-49 GHz ) 1.3 cm (21-25 ...

... International Astronomical Union . Russian Foundation for Basic Research . Abastumani Astrophysical Observatory . Australian Astronomical Observatory . ... Byurakan Astrophysical Observatory . Hartebeesthoek Radio Astronomy Observatory . ... National Radio Astronomy Observatory . Nobeyama Radio Observatory . ... Pushchino Radio Astronomy Observatory . ... AGU journals . ... Astronomy and Astrophysics Springer . ... Astronomy Letters (ПАЖ) . ... Astrophysical Journal Letters . ...

SXG Data Center . ... Sky visbility This utility permits to find the sky region that will be accessible for obsevation by the main telescopes of SXG. Observation opportunity programm This utility permits to find the the observation opportunity of given source ( RA, DEC ) during given MJD interval by the telescopes of SPECTRUM-XG directed along X-axis. Mask of the Earth/Moon This utility permits to find the sky region that will be blocked by the Earth/Moon for observation by SPECTRUM-XG . ...

Contents. planet: 5 - Jupiter satellites: J18 - Themisto : 3 total number: 3 type: absolute dates: 2009-2009 observatory: 691 - Steward Observatory, Kitt Peak-Spacewatch Reference. ... Year of the moment of observation 3. ... Hour of right ascension (alpha, h) 6. ... Degree of declination (delta, deg) 9. ... Reference to publication ---------------------------------------------------------------------- N Year alpha delta N obs sat month day with Publ. decimals h m s deg ' '' ref. ...

MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...

... Under certain conditions, like those in the nucleus of a QSO, all atoms can be made to emit light at particular wavelengths. ... If that source is approaching the observer, the wave is squashed up onto itself making the wavelength shorter. ... This is redshift. ... You can see how the section of the QSO spectrum which we observe changes with redshift. ... We then see how far we had to slide the observed spectrum along the scale to make it match and that is the objects redshift. ... The 2QZ team . ...

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...