• 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
    2022/05/01 04:48:07 262 107 421 304 30 -12.4*1 2.8e+15 2.5e+30 256 C2 C3 PHTX DST Java Movie
    2022/05/01 07:24:05 47 78 497 626 562 7.3 2.5e+15 3.1e+30 42 C2 C3 PHTX DST Java Movie
    2022/05/01 08:36:05 251 240 700 510 500 -23.9 5.3e+15*2 1.3e+31*2 259 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/01 13:36:25 276 20 931 779 0 -52.9*1 2.8e+14 1.2e+30 286 C2 C3 PHTX DST Java Movie
    2022/05/01 18:12:05 222 43 769 642 309 -31.6*1 1.9e+14 5.5e+29 227 C2 C3 PHTX DST Java Movie
    2022/05/01 21:48:05 184 117 301 394 589 12.5*1 7.1e+14 3.2e+29 177 C2 C3 PHTX DST Java Movie
    2022/05/02 10:00:05 266 62 311 180 0 -17.3*1 5.1e+14 2.5e+29 267 C2 C3 PHTX DST Java Movie
    2022/05/03 07:36:05 267 34 264 365 482 8.4*1 7.7e+13 2.7e+28 263 C2 C3 PHTX DST Java Movie
    2022/05/03 08:24:05 100 79 297 297 297 -0.0*1 8.2e+14 3.6e+29 104 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/03 13:25:51 305 59 946 832 808 -22.9*1 4.2e+14 1.9e+30 311 C2 C3 PHTX DST Java Movie
    2022/05/03 15:12:10 29 147 141 238 324 4.3*1 1.6e+15*2 1.6e+29*2 30 C2 C3 PHTX DST Java Movie Very Poor Event; Partial Halo
    2022/05/03 17:48:05 139 64 99 135 217 1.8*1 7.9e+14 3.9e+28 136 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/04 06:24:05 291 38 681 821 1630 99.7*1 9.3e+13 2.2e+29 292 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/04 08:12:07 133 78 521 717 785 21.4*1 6.8e+14 9.2e+29 119 C2 C3 PHTX DST Java Movie
    2022/05/04 22:36:05 233 19 367 468 1027 40.6*1 ---- ---- 231 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/05 00:36:05 234 9 410 305 0 -60.4*1 ---- ---- 234 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/05 03:48:05 158 67 307 356 421 4.7*1 6.3e+13 3.0e+28 176 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/05 17:48:05 282 44 870 721 0 -55.7*1 1.4e+14 5.4e+29 282 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/05 19:24:06 85 175 1167 1292 1224 16.6 1.6e+15*2 1.1e+31*2 91 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/06 11:12:06 353 10 491 746 2044 172.8*1 ---- ---- 356 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/06 12:50:28 245 19 318 341 474 6.2*1 ---- ---- 246 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/06 16:00:06 242 25 514 676 946 33.3*1 3.1e+14 4.1e+29 242 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/06 21:24:05 16 113 241 397 459 8.7*1 1.8e+15 5.1e+29 28 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/07 08:48:05 63 7 751 1228 2785 326.0*1 ---- ---- 65 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/07 10:48:05 244 24 357 399 448 4.4*1 4.9e+14 3.1e+29 241 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/07 12:24:05 65 13 248 266 429 5.5*1 ---- ---- 65 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/07 13:36:21 91 10 610 597 472 -6.8*1 ---- ---- 96 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/07 22:24:05 278 83 154 261 368 5.5*1 1.1e+15 1.3e+29 292 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/08 04:24:05 290 321 263 286 454 6.1*1 1.3e+14*2 4.4e+28*2 99 C2 C3 PHTX DST Java Movie Poor Event; Only C2; Partial Halo
    2022/05/08 08:00:05 253 45 227 344 610 15.4*1 6.4e+14 1.6e+29 246 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/08 08:24:05 110 52 348 566 566 13.0*1 2.3e+15 1.4e+30 115 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/08 19:00:05 246 44 261 237 0 -6.1*1 1.6e+13 5.3e+27 243 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/08 19:48:05 110 50 470 500 668 10.5*1 1.3e+14 1.5e+29 122 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/08 22:24:05 94 175 602 616 609 1.0 5.1e+15*2 9.3e+30*2 108 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/09 03:36:05 126 44 236 232 224 -0.3*1 1.5e+15 4.2e+29 121 C2 C3 PHTX DST Java Movie
    2022/05/09 20:24:05 111 31 161 154 0 -1.4*1 3.0e+14 3.9e+28 114 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/09 22:12:05 229 54 578 715 961 30.0*1 2.7e+14 4.5e+29 229 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/10 03:12:10 253 32 180 122 0 -16.6*1 1.1e+14 1.8e+28 255 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/10 07:24:05 104 56 282 398 802 26.3*1 1.1e+14 4.5e+28 124 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/10 10:24:05 225 60 331 376 370 2.1*1 2.6e+15 1.4e+30 217 C2 C3 PHTX DST Java Movie
    2022/05/10 10:24:05 77 122 711 608 615 -12.2 1.8e+15*2 4.6e+30*2 81 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/10 12:00:05 60 66 800 617 529 -28.2*1 4.6e+14 1.5e+30 65 C2 C3 PHTX DST Java Movie
    2022/05/10 14:36:05 130 159 415 365 345 -4.0*1 2.0e+15*2 1.7e+30*2 123 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/10 19:36:06 81 92 205 142 0 -8.2*1 1.5e+15 3.2e+29 88 C2 C3 PHTX DST Java Movie
    2022/05/10 22:24:05 83 154 452 721 600 14.1 1.3e+16*2 1.4e+31*2 93 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/11 09:12:11 85 145 684 557 590 -12.6 1.1e+15*2 2.6e+30*2 88 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/11 10:48:05 104 42 457 531 539 6.0 2.6e+14 2.7e+29 107 C2 C3 PHTX DST Java Movie
    2022/05/11 13:25:49 59 30 789 847 940 14.5*1 4.0e+14 1.2e+30 70 C2 C3 PHTX DST Java Movie
    2022/05/11 18:24:05 101 73 534 533 534 -0.1 2.4e+15 3.4e+30 104 C2 C3 PHTX DST Java Movie
    2022/05/11 18:36:05 237 194 1100 1109 1106 1.4 9.6e+15*2 5.8e+31*2 228 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/11 21:12:10 68 107 748 616 699 -11.0 3.5e+15 9.8e+30 72 C2 C3 PHTX DST Java Movie
    2022/05/11 23:48:05 280 51 494 504 516 1.3*1 5.2e+14 6.3e+29 287 C2 C3 PHTX DST Java Movie
    2022/05/12 02:48:05 63 30 841 990 1366 58.1*1 3.5e+14 1.2e+30 71 C2 C3 PHTX DST Java Movie
    2022/05/12 08:00:06 54 74 641 496 531 -13.2 8.6e+14 1.8e+30 41 C2 C3 PHTX DST Java Movie
    2022/05/12 20:24:05 67 91 714 559 605 -15.3 1.5e+15 3.7e+30 64 C2 C3 PHTX DST Java Movie
    2022/05/13 08:24:05 232 107 587 659 633 5.6 4.1e+15 7.0e+30 216 C2 C3 PHTX DST Java Movie
    2022/05/13 10:12:05 74 32 743 661 218 -25.9*1 3.7e+14 1.0e+30 79 C2 C3 PHTX DST Java Movie
    2022/05/13 11:00:05 51 51 722 818 1023 27.5*1 3.4e+14 8.9e+29 58 C2 C3 PHTX DST Java Movie
    2022/05/13 11:12:05 244 112 603 735 738 13.1 2.6e+15 4.7e+30 240 C2 C3 PHTX DST Java Movie
    2022/05/13 13:25:50 297 68 213 321 367 5.1 5.0e+14 1.1e+29 299 C2 C3 PHTX DST Java Movie
    2022/05/13 15:48:05 202 58 347 309 296 -2.4*1 4.4e+14 2.7e+29 206 C2 C3 PHTX DST Java Movie
    2022/05/13 18:48:05 53 69 602 425 329 -20.3*1 2.9e+14 5.3e+29 50 C2 C3 PHTX DST Java Movie
    2022/05/13 22:36:05 71 52 288 238 0 -8.4*1 1.2e+15 4.8e+29 82 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/13 23:48:05 21 38 411 420 422 0.7*1 3.7e+11 3.1e+26 15 C2 C3 PHTX DST Java Movie
    2022/05/14 10:12:05 76 32 188 193 272 1.7*1 3.3e+13 5.8e+27 79 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/14 13:36:25 42 117 376 403 471 4.1*1 4.3e+14 3.1e+29 54 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/14 18:24:05 110 52 843 910 901 8.3*1 1.4e+15 5.1e+30 123 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/15 12:50:05 221 10 427 529 1045 42.5*1 ---- ---- 227 C2 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/15 12:50:05 102 30 707 318 0 -242.9*1 1.4e+14 3.4e+29 107 C2 PHTX DST Java Movie Poor Event; Only C2
    2022/05/16 13:48:05 68 65 224 243 365 3.7*1 9.5e+14 2.4e+29 78 C2 C3 PHTX DST Java Movie Only C2
    2022/05/16 17:24:05 111 53 572 430 523 -9.3 1.9e+15 3.1e+30 110 C2 C3 PHTX DST Java Movie
    2022/05/17 00:00:05 75 44 277 278 285 0.2*1 3.5e+14 1.3e+29 79 C2 C3 PHTX DST Java Movie
    2022/05/17 05:36:05 75 142 384 361 324 -2.5*1 1.5e+15*2 1.1e+30*2 84 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/17 06:36:36 149 53 299 294 287 -0.4*1 2.7e+14 1.2e+29 167 C2 C3 PHTX DST Java Movie
    2022/05/17 17:36:05 82 22 668 648 560 -7.0*1 1.9e+14 4.3e+29 85 C2 C3 PHTX DST Java Movie
    2022/05/17 17:36:05 261 98 541 664 667 11.0*1 1.7e+15 2.4e+30 284 C2 C3 PHTX DST Java Movie
    2022/05/18 03:36:05 80 73 456 446 340 -4.2*1 7.0e+12 7.3e+27 70 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/18 09:48:05 257 159 292 514 509 10.4 2.9e+15*2 1.2e+30*2 286 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/19 04:24:05 210 46 143 95 0 -14.7*1 1.1e+14 1.1e+28 201 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/19 05:12:05 115 52 210 231 352 3.6*1 1.8e+14 3.9e+28 105 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/19 10:48:05 136 38 355 573 1222 61.8*1 4.8e+14 3.0e+29 135 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/19 11:12:05 281 40 212 262 386 5.2*1 1.8e+14 4.1e+28 267 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/19 12:24:05 218 86 268 195 0 -14.6*1 1.1e+15 3.8e+29 211 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/19 14:00:05 344 135 186 188 192 0.1*1 9.9e+14*2 1.7e+29*2 348 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/20 12:24:05 140 32 328 328 323 -0.2*1 1.2e+14 6.7e+28 149 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/20 12:24:05 231 96 726 570 556 -19.8*1 4.1e+14 1.1e+30 236 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/20 14:36:05 95 13 322 287 0 -14.0*1 ---- ---- 94 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/20 23:12:12 284 21 380 543 1389 78.0*1 1.3e+14 9.7e+28 279 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/21 00:00:05 295 115 719 598 463 -21.1*1 7.0e+14 1.8e+30 316 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/21 03:48:05 93 20 588 735 1629 104.0*1 8.0e+13 1.4e+29 92 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/21 07:12:05 263 54 516 601 766 16.7*1 4.9e+13 6.5e+28 270 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/21 10:24:06 87 12 383 368 131 -5.8*1 ---- ---- 90 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/21 12:12:07 271 26 302 369 811 25.2*1 6.1e+13 2.8e+28 271 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/21 12:36:05 88 25 479 523 602 7.4*1 2.3e+14 2.6e+29 97 C2 C3 PHTX DST Java Movie
    2022/05/21 15:24:05 284 13 439 610 1511 92.7*1 ---- ---- 282 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/21 16:36:06 Halo 360 663 1141 1074 46.9 2.7e+15*2 5.9e+30*2 150 C2 C3 PHTX DST Java Movie
    2022/05/22 02:00:05 92 21 283 457 1004 41.2*1 6.4e+13 2.6e+28 86 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/22 05:36:05 68 50 174 131 0 -14.7*1 1.0e+14 1.6e+28 68 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/22 05:48:07 277 17 312 278 0 -9.8*1 ---- ---- 283 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/22 06:24:05 223 22 460 490 568 5.8*1 5.2e+13 5.6e+28 220 C2 C3 PHTX DST Java Movie
    2022/05/22 07:00:05 88 24 323 334 358 1.3*1 2.7e+14 1.4e+29 84 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/22 09:24:05 137 38 547 774 1538 94.3*1 3.2e+14 4.7e+29 132 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/22 16:36:05 83 71 666 526 117 -27.3*1 2.7e+14 6.0e+29 89 C2 C3 PHTX DST Java Movie
    2022/05/22 17:24:05 275 32 414 386 311 -4.1*1 4.0e+14 3.5e+29 275 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/23 02:12:05 130 24 513 318 0 -75.8*1 1.6e+14 2.0e+29 127 C2 C3 PHTX DST Java Movie Only C2
    2022/05/23 04:24:05 249 24 325 239 0 -29.8*1 3.0e+14 1.6e+29 250 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/23 04:36:05 293 18 333 489 1300 68.9*1 ---- ---- 296 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/23 07:12:05 294 23 334 221 0 -47.1*1 4.6e+13 2.5e+28 295 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/23 08:24:07 74 57 700 769 865 14.4*1 2.3e+14 5.6e+29 86 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/23 12:12:05 241 131 195 202 241 0.9*1 1.1e+15*2 2.1e+29*2 225 C2 C3 PHTX DST Java Movie Poor Event; Only C2; Partial Halo
    2022/05/23 19:12:05 357 88 399 540 515 8.6*1 9.1e+12 7.3e+27 9 C2 C3 PHTX DST Java Movie
    2022/05/24 07:24:05 66 21 173 111 0 -20.4*1 2.2e+13 3.3e+27 67 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/24 23:12:11 71 211 569 544 555 -1.9 6.7e+15*2 1.1e+31*2 25 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/25 03:48:05 180 151 640 568 602 -5.8 4.4e+15*2 8.9e+30*2 203 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/25 05:36:05 55 99 555 545 551 -0.6 2.1e+15 3.3e+30 44 C2 C3 PHTX DST Java Movie
    2022/05/25 11:48:07 99 157 932 788 865 -17.6 3.9e+15*2 1.7e+31*2 102 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/25 17:36:06 249 21 726 852 1744 113.6*1 8.2e+13*2 2.2e+29*2 245 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/25 18:36:05 Halo 360 1134 1130 1132 -0.6 5.8e+15*2 3.7e+31*2 215 C2 C3 PHTX DST Java Movie
    2022/05/26 08:24:06 267 84 498 491 476 -1.2*1 8.0e+14 1.0e+30 253 C2 C3 PHTX DST Java Movie
    2022/05/27 01:25:49 92 35 786 543 0 -248.5*1 1.2e+14*2 3.6e+29*2 90 C2 C3 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2022/05/27 03:47:13 253 28 213 226 385 4.5*1 8.8e+13 2.0e+28 246 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/27 10:12:05 85 29 441 721 1811 134.4*1 1.1e+14 1.1e+29 82 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/27 17:12:05 51 63 174 202 356 4.4*1 4.5e+14 6.8e+28 56 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/27 19:36:05 265 55 198 186 0 -6.2*1 2.7e+13 5.4e+27 258 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/28 01:36:23 265 16 324 245 0 -24.1*1 ---- ---- 263 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/28 05:12:05 102 199 400 381 340 -2.5*1 2.2e+15*2 1.7e+30*2 142 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/28 15:12:10 134 187 568 477 492 -7.6 4.8e+15*2 7.7e+30*2 159 C2 C3 PHTX DST Java Movie Partial Halo
    2022/05/28 23:24:05 168 22 472 468 447 -1.1*1 1.1e+14 1.3e+29 161 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/29 01:25:49 260 63 182 178 21 -1.4*1 7.9e+13 1.3e+28 253 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2022/05/29 07:36:05 233 32 260 439 1097 49.8*1 1.5e+14 5.0e+28 227 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/29 08:24:05 76 21 231 223 196 -0.8*1 8.9e+13 2.4e+28 82 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/29 15:05:47 248 21 298 330 485 7.0*1 2.8e+14 1.3e+29 242 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/29 20:00:05 45 30 338 481 740 20.7*1 2.8e+14 1.6e+29 51 C2 C3 PHTX DST Java Movie Poor Event
    2022/05/30 02:48:34 274 81 858 887 886 4.2 2.3e+15 8.6e+30 275 C2 C3 PHTX DST Java Movie
    2022/05/30 05:12:06 204 70 361 417 576 9.8*1 5.7e+14 3.7e+29 208 C2 C3 PHTX DST Java Movie
    2022/05/30 14:36:05 24 50 469 625 656 13.4*1 7.6e+14 8.4e+29 41 C2 C3 PHTX DST Java Movie
    2022/05/31 03:12:10 202 9 539 748 1880 146.9*1 ---- ---- 200 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2022/05/31 09:12:09 124 67 744 697 648 -8.6*1 5.8e+14 1.6e+30 109 C2 C3 PHTX DST Java Movie

    *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).