• CME heights (with respect to the disk center) are measured at the fastest segment of the leading edge.
  • PA= Position Angle measured from Solar North in degrees (counter-clockwise)
  • Halo CMEs are indicated in the "Central PA" column. The letters ("S", "BA", "OA") in the brackets show type of halo CMEs. See examples.
  • Click on date to view Java script movie of the CME.
  • Click on time to see height-time measurements as a text file.
  • Click on speed to view height-time plots of the CME.
  • Beware of data gaps. Check for LASCO/C2 data gaps here.

  • A complete description of the catalog
  • Click here to search the entire catalog.

    First C2 Appearance
    Date Time [UT]
    Central
    PA
    [deg]
    Angular
    Width [deg]
    Linear
    Speed [km/s]
    2nd-order Speed at final height [km/s] 2nd-order Speed at 20 Rs [km/s] Accel
    [m/s2]
    Mass
    [gram]
    Kinetic
    Energy
    [erg]
    MPA [deg] Movies, plots, & links Remarks
    1996/07/01 05:07:00 83 32 62 79 144 0.9*1 ---- ---- 84 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/01 13:50:46 271 52 359 513 917 35.3*1 1.0e+15*2 6.6e+29*2 270 C2 C3 195 SXT PHTX DST Java Movie Only 3 points
    1996/07/01 20:59:14 265 58 108 60 0 -3.8*1 ---- ---- 268 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1996/07/02 05:31:08 73 14 255 401 347 5.3*1 ---- ---- 82 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/02 17:49:30 248 10 194 289 298 3.6*1 ---- ---- 249 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1996/07/02 20:13:50 329 11 208 --- --- --- ---- ---- 320 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/03 00:51:35 163 8 275 --- --- --- ---- ---- 162 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/03 00:51:35 82 31 42 33 0 -0.5*1 ---- ---- 84 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/03 06:14:05 155 10 158 --- --- --- ---- ---- 153 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/03 15:30:46 252 12 212 301 380 6.2*1 ---- ---- 253 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/03 18:01:54 84 31 117 81 0 -22.0*1 ---- ---- 94 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points
    1996/07/04 04:57:09 87 46 103 167 436 8.4*1 ---- ---- 83 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/04 12:33:32 74 23 271 479 414 8.4*1 ---- ---- 82 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1996/07/04 19:41:29 262 44 300 268 188 -3.3*1 2.8e+14 1.3e+29 270 C2 C3 195 SXT PHTX DST Java Movie
    1996/07/05 01:25:56 48 9 350 297 0 -19.6*1 ---- ---- 57 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    1996/07/05 10:41:57 93 18 114 29 0 -12.4*1 ---- ---- 92 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/05 19:02:58 96 24 219 218 216 -0.1*1 ---- ---- 91 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/05 21:21:21 264 47 177 178 181 0.1*1 5.7e+14*2 8.9e+28*2 268 C2 C3 195 SXT PHTX DST Java Movie
    1996/07/06 04:56:27 90 13 134 213 245 2.9*1 ---- ---- 90 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/06 14:12:52 142 9 124 33 0 -35.8*1 ---- ---- 134 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    1996/07/06 14:12:52 92 26 274 413 484 9.5*1 ---- ---- 91 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/06 14:57:13 257 39 89 111 133 0.6*1 ---- ---- 252 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1996/07/06 21:04:05 71 13 293 0 0 -129.0*1 ---- ---- 84 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    1996/07/07 05:03:30 245 34 65 63 21 -0.2*1 1.3e+13*2 2.7e+26*2 253 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    1996/07/07 10:48:26 96 24 82 33 0 -5.8*1 ---- ---- 92 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/07 11:32:53 254 33 180 271 312 4.1*1 ---- ---- 253 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1996/07/07 19:09:28 94 21 158 151 105 -0.7*1 ---- ---- 90 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1996/07/07 20:29:19 202 9 129 --- --- --- ---- ---- 207 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/08 06:28:50 259 35 264 226 200 -2.7*1 3.1e+15 1.1e+30 258 C2 C3 195 PHTX DST Java Movie Poor Event
    1996/07/08 06:39:54 94 18 186 200 223 1.0*1 ---- ---- 96 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C3
    1996/07/09 05:20:31 90 35 198 213 273 2.0*1 ---- ---- 92 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1996/07/09 12:28:18 273 86 452 423 437 -3.7 4.4e+15 4.5e+30 257 C2 C3 195 SXT PHTX DST Java Movie Only C3
    1996/07/09 15:35:11 5 8 635 --- --- --- ---- ---- 10 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points
    1996/07/10 00:36:06 21 14 175 --- --- --- ---- ---- 24 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/10 00:36:06 290 19 150 179 345 4.8*1 ---- ---- 285 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/10 02:38:17 4 5 180 --- --- --- ---- ---- 6 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/10 07:28:36 254 35 227 210 0 -3.8*1 8.2e+14*2 2.1e+29*2 254 C2 C3 195 SXT PHTX DST Java Movie
    1996/07/10 22:12:45 183 8 94 --- --- --- ---- ---- 182 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/10 22:12:45 21 10 122 --- --- --- ---- ---- 28 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/11 05:04:09 89 35 132 62 0 -10.8*1 ---- ---- 91 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/11 05:59:36 199 10 447 --- --- --- ---- ---- 206 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points
    1996/07/11 21:36:33 204 11 298 --- --- --- ---- ---- 206 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/12 02:14:18 87 35 119 12 0 -51.1*1 ---- ---- 84 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    1996/07/12 07:38:24 265 34 435 342 0 -21.3*1 ---- ---- 273 C2 C3 195 SXT PHTX DST Java Movie
    1996/07/12 15:37:40 260 68 1085 1009 917 -24.1*1 6.9e+14*2 4.1e+30*2 269 C2 C3 195 SXT PHTX DST Java Movie Only 3 points
    1996/07/13 02:51:34 201 6 ---- --- --- --- ---- ---- 205 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only 1 point; Only C2
    1996/07/13 11:55:25 344 7 76 65 0 -2.7*1 ---- ---- 341 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    1996/07/13 15:03:56 343 12 85 --- --- --- ---- ---- 339 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/14 07:31:41 92 30 182 248 324 4.5*1 1.7e+14 2.9e+28 95 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1996/07/14 15:17:50 267 50 660 657 657 -0.4 6.2e+14 1.3e+30 264 C2 C3 195 SXT PHTX DST Java Movie
    1996/07/15 10:46:51 273 43 632 750 928 26.2*1 2.3e+14*2 4.7e+29*2 274 C2 C3 195 SXT PHTX DST Java Movie Only 3 points
    1996/07/15 22:26:35 241 31 240 319 670 19.0*1 3.4e+13*2 9.8e+27*2 245 C2 C3 195 SXT PHTX DST Java Movie Only 3 points
    1996/07/16 02:19:53 278 47 602 582 586 -1.9 5.6e+14 1.0e+30 269 C2 C3 195 SXT PHTX DST Java Movie
    1996/07/16 08:27:12 228 17 230 216 157 -1.5*1 ---- ---- 235 C2 C3 195 SXT PHTX DST Java Movie
    1996/07/16 12:20:36 11 14 123 --- --- --- ---- ---- 14 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/16 12:20:36 282 34 179 170 0 -2.3*1 ---- ---- 277 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    1996/07/16 13:49:12 89 53 62 42 0 -2.4*1 ---- ---- 99 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/17 05:20:07 280 34 304 369 613 15.0*1 1.0e+14 4.7e+28 281 C2 C3 195 SXT PHTX DST Java Movie
    1996/07/17 09:13:20 277 40 144 95 0 -9.4*1 ---- ---- 274 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/17 12:10:43 279 28 320 230 0 -21.5*1 ---- ---- 273 C2 C3 195 SXT PHTX DST Java Movie Only 3 points
    1996/07/17 16:01:17 94 47 310 328 346 1.7*1 4.8e+14*2 2.3e+29*2 94 C2 C3 195 SXT PHTX DST Java Movie Only 3 points
    1996/07/18 08:36:40 266 44 80 156 554 13.5*1 ---- ---- 270 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/19 03:55:18 153 13 205 229 498 9.0*1 ---- ---- 147 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    1996/07/19 18:20:34 97 33 156 176 174 0.6*1 ---- ---- 103 C2 C3 195 SXT PHTX DST Java Movie yht_tmp2fin; Poor Event
    1996/07/20 09:28:16 31 175 246 429 477 9.4 1.3e+15*2 3.9e+29*2 34 C2 C3 195 SXT PHTX DST Java Movie Partial Halo
    1996/07/20 11:55:53 102 14 198 217 233 1.2*1 ---- ---- 108 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C3
    1996/07/20 17:28:56 284 10 34 26 0 -1.0*1 ---- ---- 276 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/21 02:14:17 278 38 145 256 236 2.7*1 ---- ---- 267 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/21 09:04:48 44 13 186 217 505 10.1*1 ---- ---- 48 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    1996/07/21 16:50:56 55 17 102 127 294 3.5*1 ---- ---- 57 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/21 20:33:11 198 6 71 --- --- --- ---- ---- 203 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/21 22:06:08 102 35 173 241 624 16.3*1 ---- ---- 107 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    1996/07/22 13:53:57 270 30 35 --- --- --- ---- ---- 267 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/23 05:22:59 24 15 278 --- --- --- ---- ---- 26 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    1996/07/23 08:20:52 107 32 116 103 0 -2.1*1 ---- ---- 102 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/24 02:22:56 63 17 152 176 213 1.4*1 ---- ---- 71 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/24 07:44:49 268 30 59 56 34 -0.1*1 1.5e+14 2.6e+27 269 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/25 01:10:16 66 5 153 133 0 -3.0*1 ---- ---- 69 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/25 06:32:56 115 27 14 3 0 -0.6*1 ---- ---- 112 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/25 17:14:05 266 29 217 260 569 12.9*1 ---- ---- 267 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C2
    1996/07/27 15:08:29 214 12 185 124 0 -25.2*1 ---- ---- 224 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    1996/07/27 20:08:09 80 22 266 282 280 1.1*1 ---- ---- 79 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only C3
    1996/07/28 04:10:07 267 56 126 238 359 6.1*1 ---- ---- 265 C2 C3 195 PHTX DST Java Movie Poor Event
    1996/07/28 19:33:02 123 28 145 197 460 8.9*1 7.9e+12 8.3e+26 122 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    1996/07/29 17:06:44 268 53 190 --- --- --- 3.9e+13*2 7.0e+27*2 266 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only 2 points; Only C2
    1996/07/29 17:57:55 76 29 160 170 176 0.4*1 ---- ---- 85 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1996/07/29 20:01:18 255 37 154 211 501 10.9*1 ---- ---- 262 C2 C3 195 SXT PHTX DST Java Movie Poor Event; Only C2
    1996/07/29 23:01:47 265 66 254 292 304 2.1 ---- ---- 262 C2 C3 195 SXT PHTX DST Java Movie
    1996/07/31 06:57:30 253 28 211 264 364 5.0*1 ---- ---- 263 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1996/07/31 06:57:30 79 38 123 146 186 1.1*1 ---- ---- 88 C2 C3 195 SXT PHTX DST Java Movie Poor Event
    1996/07/31 11:47:11 68 15 147 103 0 -1.8*1 ---- ---- 75 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event
    1996/07/31 23:06:40 272 32 246 262 444 6.3*1 ---- ---- 270 C2 C3 195 SXT PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2

    *1 Acceleration is uncertain due to either poor height measurement or a small number of height-time measurements (See Section 3.4 of Yashiro et al. 2004 for details).
    *2 Mass and Kinetic Energy are uncertain due to poor mass estimate. Mass measurement assumes that the CME material is in the sky-plane. Kinetic Energy is obtained from the mass and linear speed (see Vourlidas et al. 2000 for details).