• 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
    2012/10/01 04:00:05 104 24 302 323 470 5.9*1 5.8e+13 2.6e+28 107 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/01 05:24:08 353 26 284 309 379 3.2*1 4.0e+12 1.6e+27 345 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/01 11:36:05 282 39 308 426 806 25.4*1 1.5e+14 7.1e+28 266 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/01 11:48:05 90 37 833 808 664 -12.0*1 1.9e+14 6.5e+29 91 C2 C3 PHTX DST Java Movie
    2012/10/01 15:12:08 245 39 365 436 500 6.5*1 6.3e+14 4.2e+29 241 C2 C3 PHTX DST Java Movie
    2012/10/01 16:36:05 293 68 246 257 284 1.0*1 6.7e+14 2.0e+29 299 C2 C3 PHTX DST Java Movie
    2012/10/01 18:48:05 288 84 333 336 347 0.5*1 3.8e+14 2.1e+29 300 C2 C3 PHTX DST Java Movie
    2012/10/01 23:36:05 277 63 369 437 429 3.7*1 2.5e+15 1.7e+30 279 C2 C3 PHTX DST Java Movie
    2012/10/02 03:12:08 115 22 456 431 280 -6.6*1 1.5e+14 1.6e+29 108 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/02 03:48:07 146 9 225 214 0 -3.1*1 ---- ---- 145 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/02 07:12:06 263 48 285 254 216 -2.2*1 1.2e+14 4.8e+28 282 C2 C3 PHTX DST Java Movie
    2012/10/02 10:36:05 336 30 214 152 0 -7.1*1 2.4e+14 5.6e+28 343 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/02 15:36:05 269 36 308 266 0 -5.1*1 4.6e+14 2.2e+29 266 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/02 22:36:05 73 21 191 129 0 -26.4*1 3.1e+13 5.6e+27 72 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/03 03:36:05 93 153 383 336 332 -3.3*1 2.3e+15*2 1.7e+30*2 114 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/03 08:48:06 88 31 206 197 162 -0.8*1 1.8e+14 3.9e+28 94 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/03 10:24:05 273 25 398 405 479 3.2*1 2.6e+13 2.0e+28 274 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/04 02:12:05 89 10 322 314 270 -1.5*1 ---- ---- 92 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/04 02:12:05 123 50 581 498 440 -10.3 6.1e+14 1.0e+30 110 C2 C3 PHTX DST Java Movie
    2012/10/04 02:24:05 273 14 308 456 1099 48.9*1 ---- ---- 278 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/04 07:36:05 253 76 441 513 781 20.3*1 1.9e+14 1.8e+29 269 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/04 08:12:05 328 17 246 280 422 5.7*1 ---- ---- 332 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/04 11:00:05 306 16 362 367 384 0.9*1 ---- ---- 308 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/04 15:36:05 262 69 473 510 810 19.2*1 1.8e+14 2.0e+29 275 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/04 19:12:05 178 22 487 698 1833 145.8*1 6.5e+13 7.7e+28 176 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/04 20:12:05 324 20 346 215 0 -35.4*1 3.1e+13 1.9e+28 323 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/04 20:36:06 109 11 246 323 928 34.7*1 ---- ---- 113 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/05 00:12:05 320 14 319 225 0 -27.2*1 ---- ---- 324 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/05 02:48:05 258 284 612 885 804 21.2*1 1.0e+16*2 1.9e+31*2 202 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/05 05:36:05 7 58 259 378 333 3.7*1 1.8e+15 5.9e+29 5 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/05 16:00:05 184 50 427 412 400 -1.4*1 2.7e+14 2.5e+29 185 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/05 23:36:06 194 16 508 417 254 -13.6*1 ---- ---- 189 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/05 23:48:05 150 30 279 414 845 28.6*1 7.7e+13 3.0e+28 146 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/06 01:36:05 194 22 520 525 526 0.5*1 1.4e+14 1.9e+29 191 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/06 05:36:05 177 19 385 391 405 0.9*1 ---- ---- 179 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/06 07:12:05 289 18 297 395 572 12.3*1 ---- ---- 296 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/06 09:48:05 120 75 219 148 0 -12.5*1 4.5e+14 1.1e+29 118 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/06 14:12:06 129 101 404 473 496 5.5 2.0e+15 1.6e+30 113 C2 C3 PHTX DST Java Movie
    2012/10/07 02:24:05 287 57 233 281 305 2.4*1 2.0e+15 5.4e+29 295 C2 C3 PHTX DST Java Movie
    2012/10/07 03:48:05 83 64 144 127 0 -2.5*1 5.5e+14 5.7e+28 71 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/07 04:48:05 230 58 72 99 295 3.5*1 2.5e+15 6.4e+28 229 C2 C3 PHTX DST Java Movie Only C2
    2012/10/07 05:24:05 331 55 266 320 626 14.4*1 5.9e+14 2.1e+29 326 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/07 07:36:05 202 149 663 943 814 20.2 1.5e+16*2 3.4e+31*2 207 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/07 14:48:05 337 17 649 920 2136 183.9*1 ---- ---- 340 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/07 20:48:05 38 206 692 632 674 -4.5 2.0e+15*2 4.9e+30*2 39 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/08 08:36:05 116 129 544 925 799 25.0 8.7e+15*2 1.3e+31*2 115 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/08 09:12:08 41 45 512 465 223 -10.7*1 1.9e+14 2.5e+29 36 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/08 22:12:05 296 42 328 322 322 -0.3*1 1.5e+13 7.8e+27 317 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/09 00:48:05 109 122 692 702 699 0.9 3.9e+15*2 9.4e+30*2 122 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/09 08:12:05 15 74 219 223 268 1.1*1 3.0e+14 7.2e+28 7 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/09 08:24:05 83 41 113 78 0 -6.4*1 3.7e+14 2.3e+28 86 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/09 13:36:05 91 33 260 114 0 -34.2*1 1.9e+14 6.3e+28 92 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/10 00:36:07 94 32 377 315 0 -13.6*1 8.2e+13 5.8e+28 90 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/10 02:24:05 202 6 425 447 677 12.2*1 ---- ---- 202 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/10 04:36:05 114 9 376 419 569 9.1*1 ---- ---- 116 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/11 09:36:06 347 24 144 134 0 -1.5*1 1.6e+14 1.7e+28 343 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/11 11:48:05 215 12 330 335 343 0.5*1 ---- ---- 213 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/11 16:27:37 68 31 240 263 519 9.5*1 1.3e+14 3.9e+28 57 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/11 19:24:06 75 60 316 358 486 6.5*1 3.0e+14 1.5e+29 81 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/11 20:57:27 100 15 211 212 215 0.1*1 ---- ---- 101 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/12 01:25:49 13 126 275 351 329 2.8 4.0e+15*2 1.5e+30*2 9 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/12 07:12:06 304 36 358 500 958 36.2*1 3.8e+14 2.4e+29 307 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/12 15:48:05 237 13 232 214 0 -5.4*1 ---- ---- 238 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/13 13:48:05 82 10 325 268 0 -24.5*1 ---- ---- 84 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/13 14:36:05 321 13 132 163 279 2.9*1 ---- ---- 317 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/13 15:36:06 20 5 264 427 1152 53.6*1 ---- ---- 18 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/13 17:48:05 86 11 318 257 0 -32.2*1 ---- ---- 84 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/14 00:48:05 Halo 360 987 893 960 -12.0 6.7e+15*2 3.3e+31*2 54 C2 C3 PHTX DST Java Movie
    2012/10/14 10:48:06 74 20 152 152 150 -0.0*1 6.6e+13 7.6e+27 75 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/14 20:36:08 303 85 199 329 299 3.5*1 1.3e+15 2.6e+29 294 C2 C3 PHTX DST Java Movie
    2012/10/14 22:00:19 80 8 192 242 522 10.8*1 ---- ---- 79 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/15 13:25:50 9 148 289 412 444 6.9 2.7e+15*2 1.1e+30*2 24 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/15 15:48:06 75 33 477 415 117 -11.7*1 7.0e+14 8.0e+29 71 C2 C3 PHTX DST Java Movie
    2012/10/15 18:36:05 70 33 180 224 558 12.0*1 2.1e+14 3.4e+28 72 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/16 00:12:05 3 19 423 420 419 -0.2*1 ---- ---- 352 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/16 00:24:07 77 13 177 206 453 7.6*1 ---- ---- 78 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/16 00:48:06 6 21 303 308 330 0.9*1 6.3e+13 2.9e+28 354 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/16 03:12:08 233 11 287 304 497 7.4*1 ---- ---- 231 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/16 06:00:05 17 91 147 210 281 3.0*1 6.1e+14 6.5e+28 357 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/16 16:12:06 1 33 197 226 304 2.7*1 2.6e+14 5.1e+28 355 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/16 22:12:06 331 20 234 328 362 4.6*1 1.8e+14 5.0e+28 333 C2 C3 PHTX DST Java Movie
    2012/10/17 00:36:05 7 16 280 372 538 11.4*1 ---- ---- 11 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/18 02:00:05 7 41 93 118 205 1.6*1 2.3e+14 9.8e+27 15 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/18 07:48:06 25 63 156 159 163 0.1*1 1.1e+15 1.3e+29 34 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/18 08:48:30 10 27 270 268 265 -0.2*1 4.7e+14 1.7e+29 7 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/18 13:48:05 228 58 429 458 465 2.2*1 1.2e+15 1.1e+30 217 C2 C3 PHTX DST Java Movie
    2012/10/18 17:00:05 32 30 198 204 219 0.4*1 5.1e+13 1.0e+28 31 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/18 22:12:06 226 92 427 588 533 8.4 3.3e+15 3.0e+30 230 C2 C3 PHTX DST Java Movie
    2012/10/18 23:24:05 77 56 460 514 867 24.2*1 3.3e+14 3.5e+29 68 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/19 07:48:05 214 55 724 555 614 -15.9 5.3e+14 1.4e+30 223 C2 C3 PHTX DST Java Movie
    2012/10/19 09:48:06 286 169 290 430 417 6.1 1.6e+15*2 6.6e+29*2 283 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/19 18:36:06 284 181 485 497 502 1.2*1 4.0e+14*2 4.7e+29*2 319 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/19 21:24:06 82 61 209 204 180 -0.5*1 2.5e+14 5.4e+28 83 C2 C3 PHTX DST Java Movie
    2012/10/20 07:00:05 94 93 280 249 0 -10.6*1 4.0e+12 1.6e+27 97 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/20 14:00:06 146 21 216 178 0 -6.0*1 3.2e+13 7.5e+27 145 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/20 18:36:05 76 130 330 288 187 -4.2*1 9.7e+14*2 5.3e+29*2 101 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/20 20:48:06 12 74 138 279 304 3.9*1 1.2e+15 1.2e+29 11 C2 C3 PHTX DST Java Movie
    2012/10/21 08:48:06 64 9 328 287 0 -11.6*1 ---- ---- 62 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/21 16:36:06 78 49 186 173 106 -1.2*1 4.8e+14 8.3e+28 81 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/21 20:57:28 83 243 496 554 528 3.5 7.4e+15*2 9.0e+30*2 90 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/22 00:48:06 242 200 304 412 385 4.3 4.3e+15*2 2.0e+30*2 252 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/22 09:36:05 121 9 380 309 235 -6.1*1 ---- ---- 116 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/22 13:25:52 115 19 414 435 454 2.1*1 ---- ---- 115 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/23 04:36:05 104 26 243 341 1177 55.8*1 1.3e+13 3.7e+27 108 C2 C3 PHTX DST Java Movie Newly inserted on 2023/10/27; Only C2
    2012/10/23 09:12:08 288 41 432 518 1012 39.5*1 1.9e+14 1.8e+29 294 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/23 09:24:06 317 98 238 215 136 -2.0*1 6.6e+14 1.9e+29 347 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/24 04:48:05 25 77 159 278 325 4.5*1 6.8e+14 8.5e+28 9 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/25 02:36:05 33 6 228 301 593 13.6*1 ---- ---- 37 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/25 02:48:05 15 9 159 176 293 2.7*1 ---- ---- 15 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/25 08:48:07 97 13 502 521 669 8.8*1 ---- ---- 95 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/25 21:49:19 253 30 27 38 111 0.5*1 9.3e+14 3.4e+27 257 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/26 09:48:05 94 236 646 703 676 4.5 5.1e+15*2 1.1e+31*2 129 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/26 16:00:06 117 28 537 566 554 1.9 1.3e+14 1.9e+29 110 C2 C3 PHTX DST Java Movie
    2012/10/26 21:12:09 120 17 283 318 377 3.3*1 ---- ---- 120 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/26 22:00:08 276 20 235 236 247 0.2*1 4.4e+13 1.2e+28 271 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/27 03:12:08 122 12 331 354 380 2.1*1 ---- ---- 119 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/27 06:48:07 125 10 287 265 175 -2.7*1 ---- ---- 121 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/27 11:00:05 126 18 317 318 323 0.2*1 ---- ---- 122 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/27 12:48:07 117 9 401 559 756 22.3*1 ---- ---- 117 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/27 16:48:05 Halo 360 317 508 483 9.1*1 4.9e+15*2 2.5e+30*2 350 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/28 08:00:05 236 55 143 245 1292 69.0*1 1.1e+14 1.1e+28 235 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/28 08:48:06 269 158 487 459 475 -1.6 3.8e+15*2 4.5e+30*2 258 C2 C3 PHTX DST Java Movie Partial Halo
    2012/10/28 14:36:05 273 39 435 514 734 17.3*1 9.8e+13 9.3e+28 285 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/28 16:48:05 178 51 208 289 641 16.2*1 2.2e+14 4.7e+28 168 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2012/10/28 18:48:05 278 28 239 313 534 10.6*1 9.7e+13 2.8e+28 283 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/29 00:12:05 120 6 247 323 829 30.4*1 ---- ---- 116 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/29 00:48:05 284 17 236 190 0 -4.6*1 ---- ---- 286 C2 C3 PHTX DST Java Movie Very Poor Event
    2012/10/29 03:36:05 75 50 245 422 363 5.1*1 2.2e+15 6.7e+29 68 C2 C3 PHTX DST Java Movie
    2012/10/29 15:12:08 74 44 174 294 352 4.9*1 4.5e+13 6.7e+27 71 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/30 07:24:05 201 44 383 387 388 0.3*1 7.8e+12 5.7e+27 196 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/30 07:36:05 280 18 197 262 531 11.1*1 ---- ---- 286 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/30 14:36:05 281 14 195 248 476 8.6*1 ---- ---- 285 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/30 18:48:05 24 30 224 207 111 -1.9*1 3.1e+14 7.8e+28 24 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/31 00:36:06 277 43 305 329 441 4.8*1 4.2e+14 2.0e+29 277 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/31 10:12:06 295 116 441 244 0 -40.4*1 1.7e+15 1.7e+30 306 C2 C3 PHTX DST Java Movie Poor Event
    2012/10/31 13:25:52 99 15 94 82 0 -1.8*1 ---- ---- 98 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2012/10/31 18:24:05 285 149 347 458 444 5.8 2.8e+15*2 1.7e+30*2 296 C2 C3 PHTX DST Java Movie Partial Halo

    *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).