H-alpha Active Region Images: Archive Search

Search for archived H-alpha active region images by date.

Date (yyyymmdd)

Click to submit. Click to clear.


H-alpha Active Regions Images: Calendar Search

The following pages show what days H-alpha data is available.
Click on the thumbnail to see the full version of the image.
Click on the date to see all the realtime images for that day.
1998
January
February
March
April
May
June
July
August
September
October
November
December
1999
January
February
March
April
May
June
July
August
September
October
November
December
2000
January
February
March
April
May