... 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...

Общая Астрономическая Конференция > Практика > Астрономические наблюдения > Полярное сияние! Взгляды на небо! ... Просмотр полной версии : Полярное сияние! ... Только что мне позвонил Стас Короткий и сказал, что над Москвой наблюдается полярное сияние, и притом разноцветное. ... В Питере с 18-го по 31-ое марта стояли ясные ночи (и какие ночи - сказка!), а ночь 31.03/01.04 как раз зятянуло напрочь http://www.starlab.ru/ubb/frown.gif Думается, и над нами могло бы быть. ...

... One striking feature is a small source of almost pure H 2 line emission, which is located near one of the compact sources in Orion reported by O'Dell and collaborators (HST-18 = 203-504). ... H-H objects, Proplyds, Orion Bar, H 2 . ... We obtained a series of images across the bright rim of the Orion Bar near the peaks of mm-wave molecular line emission with NICMOS cameras 1-3 (NIC1, NIC2, NIC3) in several filters on 1998 February 18. ... The suggestion of an H-H object does not seem compelling. ...

Wednesday, August 22nd, 2012 . GTOPO30 is a global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer)? (http://eros NULL .usgs NULL .gov/#/Find_Data/Products_and_Data_Available/gtopo30_info) . ... You are currently browsing the Лаборатория лазерной интерферометрии blog archives for August, 2012. ... Наши публикации . ... Публикации за 2010 . Публикации за 2011 . ... Лаборатория лазерной интерферометрии is proudly powered by WordPress . ...

... 1987. .3, , 5. . ... 90 Vd lgE N: 1 ­ N=1010, 2 ­ N=1011, 3 ­ N=1012 , 4 ­ N=1013 -3. ... L1 , , , V, / , V0, / , N 1010, -3 4 000 L2 13 000 L3 25 000 L5 45 000 L6 43 000 L7 37 000 L8 10 000 37 000 29 000 20 000 2 000 -13 000 -20 000 -41 000 7,3 14,6 25,1 -8,5 -29,7 -35,7 -77,7 36,5 67,3 124,8 76,4 33,8 39,2 93,9 7,41 6,92 4,79 7,59 3,31 3,02 6,31 Vd lgE : 1 ­ N=1010; 2 ­ N=1011; 3 ­ N=1012; 4 ­ N=1013 -3 "" . ... 7,6], , 7000 ­ 20 000 1 в 1011 ­ 6 в 1012 -3. 10-5 ­ 10-3 /, 20 170 /. 5 в 1012 -3 . ...

... Число ссылок на статью (первая цифра, выделенная полужирным) дается по данным ISI с ручным суммированием ошибочных и варьирующихся (например, Zh Eksp Teor Phys - Sov Phys JETP) ссылок, поэтому значения превышают те, что даны в таблице высокоцитируемых ученых как персональтные рекорды. ... Sov Phys JETP, 34, 62, 1972 (Zh Eksp Teor Fiz, 61, 118, 1971) . ... Zh Eksp Teor Phys, 47, 1945, 1964 (Sov Phys JETP, 20, 1307, 1965) . ... Zh Eksp Teor Phys, 47, 1515,1964 (Sov Phys JETP, 20, 1018, 1965) . ...

... Home Observing Solar Bridge Across New York Harbor . ... Clear Sky Chart . This Month's Sky . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... Get on board with the Amateurs Astronomers Association, Sunday, September 20th, 2015 . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... Seminar archive . ... Липунов В. М. ( МГУ, ГАИШ МГУ ) . ... Магнитосфера пульсара . ... Pulsar Magnetosphere" . ... Almost all this emission is produced in the magnetosphere and hence understanding pulsars as astrophysical objects implies understanding of physics of their magnetospheres. Although pulsars had been discovered almost five decades ago, emission mechanisms are still not identified, and even the global structure of pulsar magnetosphere remains unknown. ... All seminars: . ...

... Series 4000 filters thread into the barrels of virtually all 1.25" eyepiece brands. Meade Series 4000 filters are a large 26mm in clear aperture and are manufactured from the purest crown optical glass, dyed-in-the-mass ( not "color coated"); there are no finer filters available for telescopic applications. ... For visual applications Series 4000 filters thread into the barrels of all Meade 1.25" eyepieces, and into the barrels of virtually all other 1.25" eyepiece brands as well. ... Meade 4M | ...

... The Volga Region Centre of Aerospace Education (VRCAE) (PoTsAKO) invites students and teachers to take part in the summer aerospace School that is carried through within the programme "The development of aerospace education in Russia as a new direction of complementary education". The organizers of the School are the Ministry of general and professional education of Russia, the Russia Youth Aerospace Society "Soyuz", the Administration of Nizhny Novgorod Region and PoTsAKO. ...

... title=' Швейцарские наручные мужские часы Auguste Reymond AR76G0.3.710.8. Коллекция Magellan - Auguste Reymond - Auguste Reymond' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> Механические часы с автоподзаводом. ... День рождения . ... Пол: Мужской . ... fashion наручные мужские часы Festina 16680.3. Коллекция Crono Acero Sin Alarma - Festina - Festina . ...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...