ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...

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... Окуляры . ... Большое удаление выходного зрачка - 20 мм для всех моделей, включая самые короткофокусные. ... 20mm . 1-1/4" . 160 / 5.6 . ... 150 / 5.3 . ... Half the price of other Long-eye relief models, the Vixen Lanthanum eyepieces are ideal on small scopes that can't handle hefty wide-field eyepieces, providing good eye relief and a tall eyepiece for comfortable viewing." Among the best values in quality wide-angle eyepieces are the Vixen Lanthanum Superwides, made by Vixen of Japan. ...

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• Рецепты Астрофотографии Джима Соломона (Съемка Flat Dark-ов (Обработка,

... 11/09 - Dave's response . Some of you have probably seen this original letter floating around the internet. Read Dave's (whoever he is) response below. ... I don't know who David is, but his response is hilarious!! ... At first I rolled my eyes....then I read Dave's response and I couldn't have said it better if I had all day to do it." ... September 11th is the 254th day of the year: 2 + 5 + 4 = 11 . ... Wait a sec ... just realized "YOU CAN'T HIDE" also has 11 letters! ... Help me!! ...

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The Calendar of Bloody A.tecs. Living in Central Mexico from the XII century to the being of the XVI century warlike A.tecs devoted much time to sciences including astronomy. For needs of agriculture A.tecs, using the knowledge received from the forecomers, developed the exact calendar system. 52 years of the moon-and-the sun cycle formed the basis of it (something like our conception of "a century"). ... A.tecs year was divided into 18 months with 20 days each. ... Mesopotamian astronomy. ...

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• nestationarnstarse
• jupitere

ABSTRACTS 10-th International Gamow Summer School "Astronomy and beyond: Astrophysics, Cosmology and Gravitation, Cosmomicrophysics, Radio-astronomy and Astrobiology" (Ukraine, Odessa, Chernomorka, 23-28 August, 2010) MEMORIAL SESSION SERGEY ALEKSANDROVICH SNEGOV (1910-1994) ­ OUSTANDING PHYSICIST, COSMOLOGIST, ASTRONOMER AND WRITER ­ VISIONARY TO A 100-ANNIVERSARY FROM BIRTHDAY Pahomov A.G. PFUM, Moscow It is possible to judge a condition of an astronomical science on literary works of time. ...

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• http://www.astro-soc.odessa.ua/Public-2014.pdf

fluxes are measured in mJy . ... Source, Images & Lens . ... VLA (8.5-43 GHz), MERLIN, VLBI . ... availavle maps: VLBA (1.7 GHz and 5 GHz) . ... 1] "A gravitationally lensed quasar with an unusual radiomorphology", Winn et al., astro-ph/0107435 . ... 104(+-3) Total flux at 5 GHz: 1209 mJy . ... 4] "MERLIN/VLA imaging of the gravitational lens system B0218+357", Biggs et al., astro-ph/0011142 . ... 58 Total flux at 5 GHz: 997 mJy (see CASTLES) . ... Total flux at 5 GHz: 316 mJy; 1.4 GHz: 576 mJy . ...