52. The galaxy M100
... The galaxy can be seen by amateur astronomers as a faint, pinwheel-shaped object in the spring constellation Coma Berenices. ...
54. Comet Ephemerides
... Note that the m1 value represents the stellar brightness of the coma. ... If the comet's coma is large, the comet may be less apparent than might be expected ... Coma diameters of 10 arc-minutes [about a third the diameter of the moon] or more ...
55. http://www.gao.spb.ru/english/publ-s/viii-rfs/p125.pdf
... as twomirror aplanatic system free from spherical and coma like aberrations ... Absence of spherical aberration and coma in radio image in wide range of 1 cm 50 cm ... Duration Maximal Amplitude Level of Coma- Curvature source of solar aperture of the ...
57. Simulation of HST PSFs using Tiny Tim
... Each camera has its own set of aberrations (astigmatism, coma, spherical, etc.) which have been determined using phase ... Note that these effects are not limited to changes in focus but also in coma and astigmatism. ...
59. Бережной А.А.
... By analyzing the brightness distributions of the C2, C3, CN emission lines along the spectrograph slit we determined some physical parameters of these neutral molecules - the velocity of expansion of molecules within the coma and their lifetimes. ...
60. PS_obj.html
... subliming gas in the near-nuclear (Knudsen) layer of the cometary coma ( abstract ... the photochemistry and dynamics of the rarefied gas in the inner cometary coma ...