• 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
    2004/05/01 03:50:06 250 23 368 263 0 -58.6*1 7.5e+13*2 5.1e+28*2 254 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/01 06:50:05 256 22 339 243 0 -26.0*1 4.8e+13 2.8e+28 256 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/01 08:50:05 250 16 639 677 1110 36.3*1 ---- ---- 250 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2004/05/01 14:26:05 243 18 622 914 1199 56.0*1 ---- ---- 247 C2 C3 195 PHTX DST Java Movie
    2004/05/01 16:50:22 218 138 342 387 422 3.7*1 1.2e+15*2 7.1e+29*2 266 C2 C3 195 PHTX DST Java Movie Partial Halo
    2004/05/01 20:26:05 317 48 325 462 416 6.4*1 1.1e+14 5.9e+28 311 C2 C3 195 PHTX DST Java Movie
    2004/05/01 23:06:05 127 50 291 270 244 -1.6*1 3.4e+14 1.4e+29 120 C2 C3 195 PHTX DST Java Movie
    2004/05/02 03:26:05 226 140 208 234 250 1.2*1 3.1e+15*2 6.7e+29*2 265 C2 C3 195 PHTX DST Java Movie Partial Halo
    2004/05/02 19:50:05 260 77 425 630 619 14.8 2.2e+15 2.0e+30 280 C2 C3 195 PHTX DST Java Movie
    2004/05/02 20:59:09 50 18 472 397 0 -28.1*1 ---- ---- 53 C2 C3 195 PHTX DST Java Movie Only C2
    2004/05/03 00:50:05 113 112 464 523 496 3.2 5.8e+15 6.3e+30 115 C2 C3 195 PHTX DST Java Movie
    2004/05/03 02:06:05 223 151 388 634 551 11.8*1 3.1e+14*2 2.3e+29*2 240 C2 C3 195 PHTX DST Java Movie Partial Halo
    2004/05/03 04:50:05 70 88 272 294 328 1.9*1 3.4e+14 1.3e+29 62 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/03 08:50:07 95 51 208 313 534 11.3 1.1e+15 2.3e+29 92 C2 C3 195 PHTX DST Java Movie UVCS Newly inserted on 2006/01/09
    2004/05/03 21:50:05 161 28 239 259 441 6.6*1 2.1e+13 6.1e+27 154 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/03 23:06:06 106 55 185 172 87 -1.3*1 1.2e+14 2.0e+28 107 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/04 17:50:05 107 48 297 201 0 -8.9*1 2.1e+14 9.2e+28 103 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/04 23:26:05 153 76 387 444 584 10.7*1 8.4e+13 6.3e+28 158 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/05 00:26:05 110 35 233 217 109 -2.2*1 6.3e+12 1.7e+27 115 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/05 20:26:06 107 56 215 168 0 -4.4*1 3.8e+14 8.8e+28 108 C2 C3 195 PHTX DST Java Movie
    2004/05/06 02:26:05 298 40 277 335 613 13.8*1 1.0e+14 4.0e+28 293 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/05/06 06:06:05 95 92 205 239 479 8.3*1 2.9e+14 6.2e+28 80 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/05/06 08:26:05 299 46 347 317 196 -4.3*1 1.5e+14 9.2e+28 290 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/06 11:06:05 112 70 295 317 384 3.1*1 3.2e+14 1.4e+29 107 C2 C3 195 PHTX DST Java Movie
    2004/05/06 11:50:05 300 47 451 489 539 5.2*1 2.3e+14 2.4e+29 305 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/07 10:50:05 97 94 469 367 291 -10.1 2.4e+15 2.6e+30 126 C2 C3 195 PHTX DST Java Movie UVCS
    2004/05/07 14:50:05 196 118 388 230 0 -14.0*1 2.6e+14 2.0e+29 217 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/07 14:50:05 304 150 412 417 452 1.6*1 2.9e+14*2 2.5e+29*2 323 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2; Partial Halo
    2004/05/07 17:26:05 330 39 323 356 428 4.0*1 1.9e+14 9.7e+28 336 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/07 19:27:08 47 88 169 299 350 5.1*1 1.6e+15 2.4e+29 52 C2 C3 195 PHTX DST Java Movie
    2004/05/07 21:26:10 92 30 321 320 319 -0.1*1 1.6e+14 8.0e+28 93 C2 C3 195 PHTX DST Java Movie
    2004/05/08 02:26:05 180 57 463 431 365 -4.7 1.3e+14 1.4e+29 178 C2 C3 195 PHTX DST Java Movie
    2004/05/08 13:27:11 265 20 374 512 1343 77.2*1 2.8e+13*2 2.0e+28*2 266 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/08 23:26:05 251 12 403 536 585 12.2*1 ---- ---- 248 C2 C3 195 PHTX DST Java Movie
    2004/05/08 23:26:05 112 26 254 240 0 -5.8*1 1.4e+14*2 4.6e+28*2 113 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/09 00:06:05 315 39 427 431 462 1.5*1 1.8e+14*2 1.7e+29*2 309 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/05/09 05:26:06 56 18 274 391 462 8.1*1 ---- ---- 52 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/09 08:26:05 238 35 208 201 190 -0.4*1 3.1e+14 6.7e+28 236 C2 C3 195 PHTX DST Java Movie
    2004/05/09 14:06:05 123 59 108 147 436 7.7*1 4.0e+14 2.3e+28 119 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/09 17:50:05 261 16 890 800 0 -84.5*1 ---- ---- 258 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2004/05/09 20:50:05 263 19 476 408 0 -26.0*1 ---- ---- 260 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/10 04:26:05 251 136 413 402 408 -0.6 4.0e+15*2 3.4e+30*2 229 C2 C3 195 PHTX DST Java Movie Partial Halo
    2004/05/10 19:50:05 232 113 316 290 255 -2.2 1.9e+15 9.4e+29 226 C2 C3 195 PHTX DST Java Movie
    2004/05/11 00:26:05 232 77 495 638 591 9.3 1.4e+15 1.7e+30 248 C2 C3 195 PHTX DST Java Movie UVCS
    2004/05/11 10:26:05 115 66 974 969 972 -0.5 7.5e+14 3.6e+30 121 C2 C3 195 PHTX DST Java Movie
    2004/05/11 12:26:05 265 15 619 601 482 -7.4*1 ---- ---- 264 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/11 20:50:05 20 167 300 285 271 -1.0 8.5e+14*2 3.8e+29*2 33 C2 C3 195 PHTX DST Java Movie Partial Halo
    2004/05/12 00:06:05 266 16 694 688 684 -0.9*1 ---- ---- 266 C2 C3 195 PHTX DST Java Movie
    2004/05/12 04:06:05 260 14 486 365 0 -90.8*1 ---- ---- 264 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/12 05:26:05 261 26 587 757 978 33.0*1 1.4e+14 2.5e+29 263 C2 C3 195 PHTX DST Java Movie
    2004/05/12 06:26:05 113 14 412 347 0 -36.3*1 ---- ---- 113 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2004/05/12 17:26:07 87 39 445 451 464 1.0*1 2.8e+14 2.8e+29 85 C2 C3 195 PHTX DST Java Movie
    2004/05/13 02:06:06 263 22 603 400 0 -156.0*1 2.1e+13*2 3.9e+28*2 264 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2004/05/13 02:26:07 112 12 306 268 0 -14.5*1 ---- ---- 112 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/13 05:26:05 90 37 360 404 407 2.7*1 1.1e+15 7.1e+29 92 C2 C3 195 PHTX DST Java Movie
    2004/05/13 11:26:05 89 65 260 216 175 -2.5*1 2.3e+14 7.9e+28 96 C2 C3 195 PHTX DST Java Movie UVCS
    2004/05/13 15:26:05 90 41 286 206 0 -13.0*1 1.6e+14 6.6e+28 92 C2 C3 195 PHTX DST Java Movie
    2004/05/13 20:26:23 89 90 358 317 235 -4.3 9.7e+14 6.2e+29 93 C2 C3 195 PHTX DST Java Movie
    2004/05/14 23:37:21 131 57 226 161 0 -14.7*1 3.8e+14 9.6e+28 138 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/05/15 02:26:05 112 17 525 520 495 -1.6*1 ---- ---- 115 C2 C3 195 PHTX DST Java Movie
    2004/05/15 04:06:08 248 87 274 399 413 6.3 3.3e+15 1.2e+30 239 C2 C3 195 PHTX DST Java Movie
    2004/05/15 06:50:06 135 76 228 253 311 2.3*1 3.6e+14 9.4e+28 118 C2 C3 195 PHTX DST Java Movie
    2004/05/15 08:26:05 34 64 262 244 190 -1.7*1 4.8e+14 1.6e+29 40 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/15 13:27:12 115 156 394 400 421 1.1*1 3.6e+14*2 2.8e+29*2 90 C2 C3 195 PHTX DST Java Movie Poor Event; Partial Halo
    2004/05/15 16:26:05 245 95 376 605 682 17.8 1.5e+15 1.1e+30 262 C2 C3 195 PHTX DST Java Movie
    2004/05/15 20:50:05 133 115 262 280 309 1.5*1 4.2e+14 1.5e+29 120 C2 C3 195 PHTX DST Java Movie
    2004/05/16 01:27:13 86 32 372 272 179 -8.0*1 9.2e+14 6.3e+29 92 C2 C3 195 PHTX DST Java Movie
    2004/05/16 02:26:05 116 18 762 515 0 -46.7*1 ---- ---- 116 C2 C3 195 PHTX DST Java Movie
    2004/05/16 02:26:05 315 30 210 217 271 1.3*1 1.1e+14 2.4e+28 312 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/05/16 05:26:05 122 118 239 209 0 -3.6*1 2.1e+14 5.9e+28 108 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/16 13:27:10 249 26 223 417 459 9.6*1 3.6e+14 8.8e+28 253 C2 C3 195 PHTX DST Java Movie
    2004/05/17 05:26:05 261 91 383 383 384 0.0 1.2e+15 8.5e+29 258 C2 C3 195 PHTX DST Java Movie
    2004/05/17 06:50:07 117 34 743 725 696 -4.1 1.4e+14 3.9e+29 119 C2 C3 195 PHTX DST Java Movie
    2004/05/17 09:26:08 111 89 150 131 0 -6.6*1 5.7e+13 6.4e+27 104 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/17 10:26:06 246 83 213 283 321 3.4*1 1.4e+15 3.3e+29 258 C2 C3 195 PHTX DST Java Movie
    2004/05/17 13:27:13 111 113 446 301 0 -33.6*1 1.1e+15 1.0e+30 108 C2 C3 195 PHTX DST Java Movie
    2004/05/17 18:26:05 93 77 604 493 378 -16.0 4.1e+14 7.6e+29 89 C2 C3 195 PHTX DST Java Movie
    2004/05/17 21:26:08 93 12 681 562 0 -30.2*1 ---- ---- 91 C2 C3 195 PHTX DST Java Movie
    2004/05/18 08:50:05 96 58 824 947 966 19.8*1 9.7e+14 3.3e+30 81 C2 C3 195 PHTX DST Java Movie
    2004/05/18 12:06:05 256 51 277 256 0 -3.8*1 1.0e+14 4.0e+28 260 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/18 19:27:10 236 15 227 237 252 0.7*1 ---- ---- 244 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/18 21:26:08 34 49 345 311 293 -2.4*1 2.0e+14 1.2e+29 40 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/19 03:26:08 234 23 268 194 0 -8.4*1 1.8e+14 6.4e+28 245 C2 C3 195 PHTX DST Java Movie
    2004/05/19 08:26:05 254 18 279 214 0 -17.3*1 ---- ---- 257 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/05/19 10:06:05 145 64 373 444 656 15.3*1 1.2e+12 8.1e+26 148 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/19 20:26:05 331 114 439 483 463 2.3 4.6e+15 4.4e+30 349 C2 C3 195 PHTX DST Java Movie
    2004/05/20 00:26:05 275 37 245 288 582 12.2*1 6.7e+13 2.0e+28 270 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/05/20 02:26:05 45 90 502 578 569 5.8 2.8e+15 3.6e+30 43 C2 C3 195 PHTX DST Java Movie
    2004/05/20 10:06:05 333 36 353 414 406 3.2*1 1.2e+14 7.5e+28 334 C2 C3 195 PHTX DST Java Movie
    2004/05/20 11:26:06 251 65 248 290 380 4.3*1 3.4e+14 1.0e+29 246 C2 C3 195 PHTX DST Java Movie
    2004/05/20 17:06:05 260 81 338 366 391 2.4*1 9.1e+14 5.2e+29 262 C2 C3 195 PHTX DST Java Movie
    2004/05/21 00:50:05 308 53 427 466 574 8.2*1 2.8e+14 2.5e+29 294 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/21 18:50:05 114 44 154 235 281 3.1*1 4.1e+14 4.8e+28 114 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/22 00:50:05 121 38 139 81 0 -6.8*1 1.5e+14 1.5e+28 119 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/22 01:50:05 49 37 199 127 0 -10.8*1 1.6e+14 3.1e+28 55 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/22 04:26:05 327 21 340 318 272 -2.4*1 1.0e+14 6.1e+28 324 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/22 07:27:14 237 24 570 537 405 -8.4*1 1.1e+14*2 1.8e+29*2 242 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/23 11:06:06 Halo (OA) 360 988 1016 1001 3.5 3.0e+15*2 1.5e+31*2 252 C2 C3 195 PHTX DST Java Movie MailLog1
    2004/05/23 15:50:05 285 41 489 529 546 4.0*1 3.1e+14 3.8e+29 289 C2 C3 195 PHTX DST Java Movie
    2004/05/24 05:06:06 264 10 386 324 0 -10.5*1 ---- ---- 265 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/24 06:26:05 132 76 243 441 451 9.2*1 5.1e+14 1.5e+29 126 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/24 21:26:08 354 131 426 529 488 5.6 2.0e+15*2 1.8e+30*2 356 C2 C3 195 PHTX DST Java Movie Partial Halo
    2004/05/25 02:26:05 265 23 334 338 348 0.5*1 1.7e+14 9.7e+28 265 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/25 15:06:05 91 36 284 316 627 14.1*1 1.2e+14 4.8e+28 98 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/25 23:26:05 330 64 123 296 292 3.7*1 3.2e+15 2.4e+29 310 C2 C3 195 PHTX DST Java Movie
    2004/05/26 13:27:10 218 48 477 475 472 -0.3*1 2.1e+14 2.4e+29 217 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/26 16:50:05 219 50 473 512 549 4.9*1 2.3e+14 2.6e+29 214 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/27 03:06:05 311 26 381 700 686 20.1*1 1.3e+14 9.3e+28 301 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/27 21:26:09 226 34 603 443 565 -12.0*1 6.4e+14 1.2e+30 224 C2 C3 195 PHTX DST Java Movie
    2004/05/27 22:06:05 257 85 82 172 257 2.8*1 2.3e+15 7.6e+28 251 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/28 03:50:05 106 24 556 597 600 4.2 8.1e+14 1.3e+30 101 C2 C3 195 PHTX DST Java Movie UVCS
    2004/05/28 05:06:05 284 37 488 502 502 1.0 1.2e+15 1.4e+30 281 C2 C3 195 PHTX DST Java Movie
    2004/05/28 11:06:05 111 82 205 257 245 1.4 1.5e+15 3.2e+29 113 C2 C3 195 PHTX DST Java Movie UVCS
    2004/05/28 15:50:06 313 34 255 267 371 3.3*1 1.6e+14 5.1e+28 308 C2 C3 195 PHTX DST Java Movie Only C2
    2004/05/28 18:26:05 54 29 319 209 0 -21.1*1 2.9e+13 1.5e+28 51 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/29 01:27:11 199 80 399 518 477 5.9*1 9.0e+14 7.2e+29 209 C2 C3 195 PHTX DST Java Movie
    2004/05/29 01:50:06 275 67 435 447 443 0.6*1 1.0e+15 9.6e+29 279 C2 C3 195 PHTX DST Java Movie
    2004/05/29 04:06:09 12 42 353 350 344 -0.4*1 1.3e+14 8.2e+28 15 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/29 09:06:05 47 20 414 387 355 -2.8*1 7.3e+13 6.2e+28 47 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/29 15:06:05 108 17 164 132 0 -3.0*1 ---- ---- 113 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/29 15:50:05 239 17 311 289 0 -7.2*1 ---- ---- 246 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/29 22:26:05 220 68 241 258 271 1.1*1 2.0e+14 5.8e+28 241 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/30 04:06:06 51 32 154 188 280 2.8*1 3.7e+13 4.4e+27 52 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/05/30 06:26:05 306 27 371 422 427 3.6*1 2.5e+12 1.7e+27 304 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/30 15:26:05 301 38 295 317 320 1.1*1 7.9e+14 3.4e+29 301 C2 C3 195 PHTX DST Java Movie UVCS
    2004/05/31 00:50:05 249 24 167 159 0 -1.7*1 6.3e+13 8.8e+27 252 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/31 04:26:05 294 30 289 309 425 4.5*1 9.2e+12 3.8e+27 297 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/31 05:26:05 250 41 158 70 0 -20.2*1 1.4e+14 1.8e+28 252 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/05/31 10:50:05 261 58 146 147 154 0.1*1 6.1e+14 6.5e+28 254 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/05/31 20:50:05 247 38 191 176 0 -2.8*1 1.7e+14 3.1e+28 255 C2 C3 195 PHTX DST Java Movie Very Poor Event; 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).