... Редуктор фокуса CCD f/3.3/Field Flattener and Variable T-Adapter . ... Редуктор фокуса устанавливается на выходе оптической системы и применяется для уменьшения эквивалентного фокуса телескопа, при этом увеличивая общую светосилу. ... Данный редуктор используется при фотосъемке для уменьшения общей экспозиции на 80%. ... Зеркальные цифровые фотоаппараты PENTAX . ... Бинокли PENTAX и зрительные трубы PENTAX . ... Pentax.ru . ... Copyright PENTAR ї2004-2016. (бинокли, цифровые фотоаппараты, телескопы)...

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... Club By-laws . ... Other Club Activities . ... Public Nights . ... Dr. James Green, NASA, Director Planetary Science will be our esteemed speaker on Tuesday, April 12, 2016 at 7:30 PM in Peyton Hall on the Princeton University campus. ... Our astronomers setup telescopes for public use at Communiversity in Princeton, Super Science Saturday at the NJ State Museum in Trenton and at various public events around Mercer County. ... Amateur Astronomers Association of Princeton, Inc., ...

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Next: NICMOS/HST H-band (F160W) Images Up: NICMOS Science Previous: HST NICMOS Observations of . ... Observations of P . ... The NICMOS team has devised a comprehensive program of observations of the Galactic Center. ... Data in hand give a first look at variability and a detailed look at the search for the tip of the main sequence will be discussed where NICMOS has demonstrated adequate sensitivity and photometric precision to identify likely O8-B1 stars at the Galactic Center. ...

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... Tonight's Sky . ... The Magazine . News . Observing . ... Magazine . ... Star Atlas . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... variable stars . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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... The main goals of the society are to maintain the development of astronomy and to reinforce scientific contacts between astronomers of the former Soviet Union and their colleagues all over the world. Official languges of EAAS - Russian and English. ... IV Russian Olympiad on Astronomy and Cosmic Physics for high-school students (April 7-12, 1997, Troitsk, Moscow region, Russia) . ... In Russian. ... Dr. Nikolai G. Bochkarev , Co-chairman of Euro-Asian Astronomical Society, 21.02.1997. ...

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... Parent Directory - aligned_stack.tif 2010-11-22 00:52 60M nikon_1286249461_ m15 _15s_12800iso.jpg 2010-10-04 23:31 6.7M nikon_1286424958_ m15 _15s_12800iso.jpg 2010-10-07 00:16 6.6M nikon_1287111986_ m15 _15s_12800iso.jpg 2010-10-14 23:07 6.8M nikon_1288583174_ m15 _15s_12800iso.jpg 2010-10-31 23:46 6.5M nikon_1289091740_ m15 _15s_12800iso.jpg 2010-11-08 16:26 6.6M nikon_1289091795_ m15 _15s_12800iso.jpg 2010-11-08 16:26 6.6M nikon_1289179791_ ...

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... Partly based on observations performed with radio telescopes of IAA RAS (Federal State Budget Scientific Organization Institue of Applied Astronomy of Russian Academy of Sciences). c . ... Partly based on observations with the 100-m telescope of the MPIfR (Max-Planck-Institute for Radio Astronomy) at Effelsberg . ... NRAO facilities . The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. ...

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... Stars . ... Cepheid variable stars have been known since the 18th century. ... Regularly brightening to a peak over days, weeks or months before fading these variable stars were remarkable curiosities to astronomers in past centuries.€а The term Cepheid is taken from the star Delta Cephei in the constellation of Cepheus, which was identified as variable€а in 1784 by the teenaged prodigy John Goodricke (1764-96). ... Tweets that mention Cepheids: Inconstant Stars which break the rules | ...

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... 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. ...

50. Memorial international conference dedicated to 100-th anniversary of George

51. http://hea.iki.rssi.ru/integral06/papers/E35_Strobl01-04May07_18:21:49.pdf

52. Книга "Variable_Stars" G. Good - Общая Астрономическая Конференция

53. AAL Homepage

54. http://edu.zelenogorsk.ru/astron/keyadcg.txt

55. source comment

56. Pulkovo EOP and Reference Systems Analysis Center (PERSAC)

57. American Association of Amateur Astronomers, AstroGuide Listing

58. La premi†иre c†йph†йide de Hubble | Ciel et Espace

59. http://www.ipa.nw.ru/conference/2002/sovet/PS/STANDISH.PS

60. AMT catalogs