• 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
    2010/07/03 01:30:05 59 10 180 198 286 2.7*1 ---- ---- 66 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/03 01:30:05 239 47 285 544 447 8.7 5.0e+15 2.0e+30 236 C2 C3 195 PHTX DST Java Movie
    2010/07/03 02:51:40 50 146 337 394 380 2.6*1 2.3e+15*2 1.3e+30*2 58 C2 C3 195 PHTX DST Java Movie Partial Halo
    2010/07/03 09:32:23 67 121 351 372 366 1.0 1.5e+15*2 9.1e+29*2 75 C2 C3 195 PHTX DST Java Movie Partial Halo
    2010/07/03 15:54:05 4 59 224 284 322 3.2*1 2.1e+14 5.2e+28 9 C2 C3 195 PHTX DST Java Movie
    2010/07/03 20:58:39 235 10 312 283 275 -1.7*1 ---- ---- 235 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/04 02:30:05 93 63 118 141 165 0.8*1 2.1e+14 1.5e+28 98 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/04 18:54:05 42 15 241 274 335 3.4*1 ---- ---- 44 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/07/05 03:54:05 41 9 153 105 0 -4.9*1 ---- ---- 47 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/07/05 07:54:05 252 16 329 355 370 2.1*1 ---- ---- 246 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/07/05 10:06:05 47 10 250 256 270 0.6*1 ---- ---- 47 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/07/05 17:54:06 47 145 536 582 559 2.9 3.8e+15*2 5.5e+30*2 40 C2 C3 195 PHTX DST Java Movie Partial Halo
    2010/07/05 21:08:03 266 78 221 423 368 5.7 3.5e+15 8.5e+29 271 C2 C3 195 PHTX DST Java Movie
    2010/07/06 03:30:05 45 23 267 286 280 0.7*1 2.9e+14 1.0e+29 49 C2 C3 195 PHTX DST Java Movie
    2010/07/06 12:06:05 45 14 369 383 382 0.9*1 ---- ---- 47 C2 C3 195 PHTX DST Java Movie
    2010/07/06 20:06:05 43 9 234 203 165 -2.0*1 ---- ---- 50 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/06 23:30:05 264 30 241 275 305 2.1*1 1.9e+13 5.4e+27 260 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/07 03:08:06 45 14 225 262 277 1.7*1 ---- ---- 49 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/07 07:31:42 45 19 431 472 470 3.0*1 ---- ---- 53 C2 C3 195 PHTX DST Java Movie
    2010/07/07 10:30:19 264 11 175 194 234 1.2*1 ---- ---- 263 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/07/07 18:54:05 99 22 390 371 236 -4.8*1 5.8e+13 4.4e+28 100 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/07/07 19:54:05 44 24 249 289 321 2.4*1 2.1e+14 6.6e+28 47 C2 C3 195 PHTX DST Java Movie
    2010/07/08 01:31:40 339 8 354 591 2226 219.8*1 ---- ---- 343 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2010/07/08 02:54:05 50 18 237 264 319 2.6*1 ---- ---- 51 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/08 06:30:05 32 64 152 222 204 1.4*1 1.9e+15 2.2e+29 43 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/08 15:07:57 114 16 460 345 0 -25.2*1 ---- ---- 106 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/08 16:30:05 238 153 275 463 465 8.7*1 3.5e+15*2 1.3e+30*2 271 C2 C3 195 PHTX DST Java Movie Partial Halo
    2010/07/09 07:54:05 70 23 489 571 563 6.2*1 1.2e+14 1.4e+29 73 C2 C3 195 PHTX DST Java Movie
    2010/07/09 10:54:05 349 25 303 288 211 -2.5*1 4.8e+13 2.2e+28 352 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/09 11:30:05 51 59 251 249 246 -0.2*1 1.5e+13 4.9e+27 57 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/09 16:30:05 333 12 489 793 2421 268.5*1 ---- ---- 335 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2010/07/09 20:54:05 48 37 187 193 246 1.2*1 2.5e+14 4.3e+28 52 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2010/07/10 08:30:05 67 100 202 343 377 5.8*1 3.2e+15 6.5e+29 66 C2 C3 195 PHTX DST Java Movie
    2010/07/10 09:32:27 261 62 339 325 328 -0.7 2.3e+15 1.3e+30 266 C2 C3 195 PHTX DST Java Movie
    2010/07/11 02:30:05 247 122 273 355 321 2.6*1 4.1e+15*2 1.5e+30*2 244 C2 C3 195 PHTX DST Java Movie Partial Halo
    2010/07/11 12:06:05 106 30 213 316 353 4.6*1 3.0e+14 6.8e+28 108 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/11 12:30:05 48 32 279 359 493 9.0*1 3.3e+14 1.3e+29 54 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/11 16:30:05 53 6 191 182 155 -0.8*1 ---- ---- 61 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/07/12 03:30:05 258 12 282 342 399 4.8*1 ---- ---- 264 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/12 05:30:05 36 11 307 338 416 4.3*1 ---- ---- 42 C2 C3 195 PHTX DST Java Movie The width was corrected on 2011/11/29; Very Poor Event
    2010/07/12 16:06:05 46 18 215 222 237 0.6*1 ---- ---- 51 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/07/13 00:54:17 32 9 436 687 1652 112.6*1 ---- ---- 36 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/13 11:30:06 110 20 134 148 169 0.6*1 4.9e+13 4.4e+27 106 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/13 15:54:05 53 21 437 465 545 5.3*1 5.4e+13 5.1e+28 54 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/13 15:54:05 281 70 73 76 102 0.2*1 2.5e+14 6.6e+27 290 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2010/07/13 19:31:40 163 7 163 368 2110 190.0*1 ---- ---- 160 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2010/07/15 06:54:06 243 8 249 376 1176 57.0*1 ---- ---- 245 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/16 04:06:05 103 30 280 162 0 -23.6*1 5.1e+13 2.0e+28 101 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/16 08:30:05 107 34 193 210 350 3.8*1 1.4e+12 2.7e+26 102 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/16 16:30:05 300 31 278 326 322 2.1*1 7.6e+14 2.9e+29 293 C2 C3 195 PHTX DST Java Movie
    2010/07/16 19:31:40 131 36 263 336 732 20.7*1 8.1e+13 2.8e+28 127 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/17 00:30:05 107 26 245 259 363 3.2*1 1.2e+13 3.5e+27 104 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2010/07/17 02:30:05 159 11 158 117 0 -16.7*1 ---- ---- 155 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/17 07:31:39 36 30 518 674 740 17.9*1 2.1e+14 2.9e+29 41 C2 C3 195 PHTX DST Java Movie
    2010/07/17 18:06:05 129 35 265 253 226 -1.0*1 1.2e+14 4.1e+28 125 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/17 18:54:05 304 37 246 222 0 -4.8*1 4.7e+13 1.4e+28 304 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/17 21:30:10 108 28 512 496 501 -1.1*1 5.0e+12 6.6e+27 100 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/17 23:06:46 123 56 231 242 251 0.6*1 3.7e+14 9.8e+28 125 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/18 08:54:05 122 60 171 146 0 -1.7*1 1.7e+14 2.5e+28 122 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/18 09:30:05 39 7 362 449 552 9.4*1 ---- ---- 39 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/18 17:30:05 49 57 136 111 0 -2.2*1 1.6e+14 1.5e+28 38 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/07/19 06:06:05 37 6 371 445 788 22.2*1 ---- ---- 38 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2010/07/19 08:06:06 314 62 389 489 860 27.4*1 2.4e+14 1.8e+29 315 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2010/07/19 10:06:05 108 74 134 295 288 3.5*1 7.6e+14 6.8e+28 111 C2 C3 195 PHTX DST Java Movie
    2010/07/19 12:30:05 307 51 148 223 292 3.3*1 2.5e+14 2.8e+28 310 C2 C3 195 PHTX DST Java Movie
    2010/07/19 19:31:40 38 8 488 415 0 -42.1*1 ---- ---- 41 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2010/07/19 21:54:05 243 14 244 334 769 24.2*1 ---- ---- 245 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/20 03:30:05 73 10 344 252 0 -36.0*1 ---- ---- 72 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/20 04:54:05 173 5 313 194 0 -64.9*1 ---- ---- 171 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/20 07:54:05 120 16 178 206 265 1.9*1 ---- ---- 121 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/07/22 01:48:05 90 28 164 169 232 1.2*1 1.4e+14 1.9e+28 86 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/22 06:00:05 91 34 137 153 171 0.6*1 3.8e+14 3.6e+28 98 C2 C3 PHTX DST Java Movie Poor Event
    2010/07/22 12:12:05 34 8 449 588 1223 59.5*1 ---- ---- 35 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/07/22 18:24:05 245 8 390 397 554 6.7*1 ---- ---- 247 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/23 19:12:05 93 25 144 160 320 3.5*1 3.6e+13 3.7e+27 92 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2010/07/24 01:36:06 293 19 284 326 414 4.9*1 ---- ---- 289 C2 C3 PHTX DST Java Movie Very Poor Event
    2010/07/24 07:24:06 262 51 175 417 388 6.5*1 1.0e+15 1.6e+29 260 C2 C3 PHTX DST Java Movie
    2010/07/24 11:12:05 100 7 273 338 413 5.4*1 ---- ---- 97 C2 C3 PHTX DST Java Movie Very Poor Event
    2010/07/24 17:36:06 58 51 76 142 194 1.6*1 5.3e+14 1.5e+28 46 C2 C3 PHTX DST Java Movie Very Poor Event
    2010/07/25 02:36:05 311 44 177 311 368 5.8*1 1.9e+14 2.9e+28 310 C2 C3 PHTX DST Java Movie Very Poor Event
    2010/07/25 11:12:05 128 12 588 561 117 -15.3*1 ---- ---- 122 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/07/25 13:24:05 63 37 146 143 104 -0.5*1 4.8e+13 5.1e+27 58 C2 C3 PHTX DST Java Movie Very Poor Event
    2010/07/26 14:42:05 254 5 200 266 474 12.0*1 ---- ---- 253 C2 C3 PHTX DST Java Movie Very Poor Event; Only C3
    2010/07/26 14:54:05 22 11 819 1040 2118 173.2*1 ---- ---- 26 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/07/26 22:36:05 333 45 189 332 838 30.6*1 4.1e+14 7.3e+28 328 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2010/07/27 01:00:05 51 7 168 182 385 5.5*1 ---- ---- 53 C2 C3 PHTX DST Java Movie Very Poor Event
    2010/07/28 00:18:05 357 69 185 215 219 1.3*1 3.1e+14 5.2e+28 358 C2 C3 PHTX DST Java Movie Poor Event; Only C3
    2010/07/28 00:36:05 126 68 115 145 186 1.1*1 3.9e+14 2.6e+28 132 C2 C3 PHTX DST Java Movie Poor Event
    2010/07/28 11:48:05 121 72 228 274 287 2.0*1 1.5e+15 3.8e+29 123 C2 C3 PHTX DST Java Movie Poor Event
    2010/07/28 14:54:06 100 69 294 427 384 4.7 3.2e+15 1.4e+30 111 C2 C3 PHTX DST Java Movie
    2010/07/30 16:18:05 80 154 654 898 446 55.1 ---- ---- 55 C2 C3 PHTX DST Java Movie data gap, only C3 observations; Only C3; Partial Halo
    2010/07/31 16:30:05 117 22 195 260 354 5.2*1 4.3e+13 8.2e+27 116 C2 C3 PHTX DST Java Movie Poor Event
    2010/07/31 17:18:05 60 21 324 314 324 -1.2*1 4.2e+13 2.2e+28 58 C2 C3 PHTX DST Java Movie Poor Event; Only C3
    2010/07/31 22:30:05 53 11 140 152 299 3.6*1 ---- ---- 58 C2 C3 PHTX DST Java Movie Poor Event

    *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).