3. High cadence BBSO Halpha movies

Period I: Forming

• 1999 August 16, 16:00-17:30 UT (GOES B8.1 eruptive flare 16:37-16:42-16:53)



• 1999 August 16, 19:50-21:00 UT (GOES C1.2 flare 20:23-20:29-20:35)



• 1999 August 16, 20:49-22:34 UT



• 1999 August 17, 14:38-18:02 UT (GOES C5.7 eruptive flare 14:28-16:02-17:54)



• 1999 August 17, 17:47-18:02 UT)



• Flare and magnetic field:
  
  
  • GOES B8.1 on Aug16, 16:42 UT
  • GOES C2.1 on Aug16, 20:29 UT
  • GOES C5.9 on Aug17, 16:02 UT

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Period II: Maturing

• 1999 August 18, 15:47-23:30 UT



• 1999 August 19-20, 15:40-01:02 UT (Halpha line center images followed by the hourly Halpha-0.75 scans)



• Filament eruption and magnetic field on 1999 August 19

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Period III: Disintegrating

• 1999 August 20, 15:40-16:03 UT



• 1999 August 21, 14:53-00:26 UT



• 1999 August 22, 14:28-22:51 UT



• 1999 August 23, 14:32-17:51 UT

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