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Study of a Large Helical Eruptive Prominence Associated with Double CME on 21 April 2001
Sun: prominence Coronal Mass Ejection
2010/9/17
Here we present a preliminary analysis of a helical eruptive prominence at the east limb of the Sun on 21 April 2001. Unusually this eruption is associated with a double CME. We have tried to study th...
April 8 2005：Selene decked out with Baily beads (Hybrid eclipse of the Sun)
Baily beads Selene
2009/6/26
April 8 2005：Selene decked out with Baily beads (Hybrid eclipse of the Sun)。
ECLIPSE OF JUPITER SATELLITE IO BY EUROPA ON APRIL 3,1991 OBSERVED AT BELGRADE OBSERVATORY
JUPITER SATELLITE ECLIPSE
2009/4/21
ECLIPSE OF JUPITER SATELLITE IO BY EUROPA ON APRIL 3,1991 OBSERVED AT BELGRADE OBSERVATORY。