... aurora on October 30 and reduced to the clear sky conditions (~ 4.3 kRa and ~ 610 kRa, respectively) had the largest values ... The continuous cloudiness during auroras does not allow one to determine precisely the shape and type of auroras. ...
... show the global pattern of development of auroras which on the whole is typical for ... Auroras were also visually and photographically detected in these regions on October ...
... Kozelov B. V. and I. V. Golovchanskaya (2009) Deriving of aurora scaling parameters from ground-based imaging observations: numerical tests, J.Geophys.Res., ...