... mm f/1.4 lens on an Nikon D200 camera (not shown) may be attached to record full color images in 10 second exposures of a field 15.7 x10.5 , ideal for seeing colors of stars, following paths of planets, viewing the tails of comets, and spotting asteroids ...
... months to see the development of a tails or unexpected changes ... Occasionally new comets may make a first spectacular appearance ... widefield cameras on the C20 will record tails out many degrees ...
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Ссылки http://www.astro.louisville.edu/shared_skies/documents/shared_skies_student_projects.pdf -- 81.7 Кб -- 17.10.2011 Похожие документы
... е) [O I] 7000 500 2-3 + H2O 8000 9000 FIG. 9.хSpectrum of comet Hale-Bopp recorded in a 600 s exposure at 01 : 36 UT on 1997 ... The data shown are extracted from the ion tail region with night sky background subtraction and яux calibration on Vega. ...