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Full disk mode image

(July 94 - , JPEG format)

Close up mode image

Daily change of active regions observed at HIRAISO. Compiling the data from April '92 to July '94

(April 92 - Jul 94,GIF format)

Daily image of active regions observed at HIRAISO. Compiling the data from July '94 to now.
　　　　　　

(July 94 - ,GIF format)

Hα　Calender
　　

　　　　　　　

1999	2000	2001
August-1999	January-2000	January-2001
September-1999	February-2000	February-2001
October-1999	March-2000	March-2001
November-1999	April-2000	Aplil-2001
December-1999	May-2000	May-2001
	June-2000	June-2001
	July-2000	July-2001
	Augst-2000
	September-2000
	October-2000
	November-2000
	December-2000

Flare list

List of flares observed at Hiraiso and sequential images of event progress.

1992-1

1992-2

1993-1

1993-2

1994-1

1994-2

1995-1

1995-2

1996-1

1996-2

1997-1

1997-2

1998-1

1998-2

1999-1

1999-2

2000-1

2000-2

2001-1

2001-2

2002-1

2002-2

2003-1

2003-2

2004-1

2004-2

2005-1

2005-2

2006-1

2006-2

2007-1

2007-2

2008-1

Movie Library(Flares,Surges etc.)

MPEG movies of explosive phenomena on the sun.

MPEG format

Two Days Close up File

JPEG format

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Hiraiso Solar Terrestrial Reseach Center