Solar Type II radio burst of December 18, 2000 and associated activity

• IZMIRAN radio data

 
Dynamic spectrum (25-270 MHz)

Fixed-frequency plots (169, 204, and 3000 MHz)

   Javascript movie of the dynamic spectrum (910 KB)
 
 

• Some composite Figures

 
Key H-alpha images (with numbered filaments)

EUV and soft X-ray dimming


 
• SOHO/EIT data


Whole-day Javascript movies of Dec 18, 2000:

 
   171 A (original) (127 KB)
   171 A (modified) (110 KB)

   195 A (original) (1.6 MB)
   195 A (modified) (1.1 MB)

   284 A (original) (125 KB)
   284 A (modified) (100 KB)

   304 A (original) (150 KB)
   304 A (modified) (120 KB)

        Javascript movies of 10:26-12:36 UT:

  195 A (original) (300 KB)
  195 A (modified) (250 KB)
!!!  195 A (running difference) (270 KB)

!!!  Basic 195 A running difference images of 10:48-12:36 UT  (220 KB)
 

SOHO/LASCO data

  MPEG C2 running difference  (350 KB)
   MPEG C3 running difference  (135 KB)

• Yohkoh/SXT data (after 12:06 UT)
 
   Javascript movie (original) (500 KB)
   Javascript movie (modified) (420 KB)

 Several Yohkoh/SXT images  with a double dimming (75 KB)
 

• Kanzelhöhe Solar Observatory H-alpha data
  
  
   Full-disk javascript movie at 08:42-11:40 UT (1.3 MB)
   Fragmentary running difference movie at 10:51-11:26 UT (340 KB)
   Fragmentary absolute difference movie at 10:51-11:26 UT (360 KB)

Composite fragmentary running difference images at 10:51-11:26 UT (172 KB)
Composite fragmentary absolute difference images at 10:51-11:26 UT (183 KB)
 

• GOES-8 soft X-ray plots

 
Full-day plot

08:30-13:00 UT plot

There are some additional data