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DC.Title: C/2012 S1 (ISON): early observations at Mt. Lemmon survey  
DC.Title.Alternative  
DC.CreatorНовичонок Артем Олегович
Ковальский Ричард
 
DC.Subject.keywordастрономия, Кометы, малые тела солнечной системы, обсерватории, C/2012 S1, кома кометы, comet C/2012 S1 (ISON), Mt. Lemmon, comet activity, great comet,  
DC.Subject22.6
5
 
DC.Description.abstractComet C/2012 S1 (ISON) promises to be a great comet in November-December 2013, near its perihelion. At the moment of its discovery it was already quite bright, with a well-defined coma. The CCD-images of the comet, taken by Mt. Lemmon sky survey nine months before it was officially discovered, have been thoroughly examined. At that time the object was located at a distance of 8.67 A.U. from the Sun. The examination of the images revealed well-marked comet activity: the share of the coma into the integrated brightness of the comet exceeded hundredfold the share of the nucleus. The coma of comet was no more than 60 000 km in diameter.  
DC.Description.tableOfContents  
DC.Publisher.CorporateNameИздательство ПетрГУ  
DC.Publisher.CorporateName.Address  
DC.Contributor  
DC.TypeData
 
DC.FormatPDF
 
DC.Identifierhttp://elibrary.karelia.ru/book.shtml?id=21261
DC.Sourcehttp://elibrary.karelia.ru/book.shtml?id=21261
DC.LanguageРусский
 
DC.Coverage  
DC.RightsПетрозаводский государственный университет