• 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
    2026/04/01 02:36:21 153 27 331 373 612 12.0*1 ---- ---- 154 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/01 03:12:31 322 47 164 98 0 -16.1*1 ---- ---- 331 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/01 04:36:21 130 52 585 691 791 16.6*1 ---- ---- 117 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/04/01 05:48:20 266 65 142 183 397 6.2*1 ---- ---- 264 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/01 11:24:21 164 24 445 663 1152 53.4*1 ---- ---- 169 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/01 13:36:37 322 47 206 304 848 29.7*1 ---- ---- 328 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/01 18:36:22 270 76 218 191 0 -3.0*1 ---- ---- 270 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/01 21:12:31 95 63 383 358 297 -3.2*1 ---- ---- 109 C2 C3 PHTX DST Java Movie
    2026/04/01 23:12:31 Halo 360 1159 1192 1174 4.5 ---- ---- 346 C2 C3 PHTX DST Java Movie
    2026/04/02 08:48:31 151 47 589 943 2188 197.9*1 ---- ---- 150 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/02 10:36:25 104 24 221 212 158 -1.2*1 ---- ---- 103 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/04/02 14:18:08 296 57 426 571 547 9.4 ---- ---- 304 C2 C3 PHTX DST Java Movie
    2026/04/02 18:48:31 320 57 515 487 467 -3.2*1 ---- ---- 325 C2 C3 PHTX DST Java Movie
    2026/04/02 20:24:31 320 62 498 558 540 3.8 ---- ---- 335 C2 C3 PHTX DST Java Movie
    2026/04/03 13:26:05 268 18 280 201 0 -26.6*1 ---- ---- 265 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/04 07:12:31 45 50 279 339 591 12.4*1 ---- ---- 41 C2 C3 PHTX DST Java Movie Only C2
    2026/04/04 16:12:21 307 28 116 100 0 -1.1*1 ---- ---- 305 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/05 01:36:39 127 51 570 350 0 -29.1*1 ---- ---- 119 C2 C3 PHTX DST Java Movie
    2026/04/05 16:48:32 98 62 173 186 463 7.7*1 ---- ---- 109 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/05 17:12:31 268 33 172 268 1151 54.2*1 ---- ---- 273 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/06 01:36:36 88 74 252 149 0 -45.3*1 ---- ---- 81 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/06 03:48:21 84 99 250 211 0 -14.2*1 ---- ---- 83 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/06 19:00:21 270 78 462 535 741 16.0*1 ---- ---- 269 C2 C3 PHTX DST Java Movie
    2026/04/06 23:12:31 283 51 197 187 0 -2.6*1 ---- ---- 285 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/07 09:24:20 292 13 309 334 538 8.6*1 ---- ---- 292 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/07 16:48:31 103 49 244 269 549 10.4*1 ---- ---- 98 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/07 20:24:33 9 58 46 66 176 1.3*1 ---- ---- 20 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/07 23:36:31 21 18 242 269 300 2.0*1 ---- ---- 25 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/07 23:36:31 93 68 229 305 656 16.7*1 ---- ---- 99 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/08 03:48:21 9 52 389 468 616 12.8*1 ---- ---- 18 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/08 03:48:21 309 82 328 337 358 1.1*1 ---- ---- 322 C2 C3 PHTX DST Java Movie
    2026/04/08 05:24:20 96 74 231 215 0 -3.3*1 ---- ---- 103 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/08 11:48:23 93 140 283 270 267 -0.7*1 ---- ---- 106 C2 C3 PHTX DST Java Movie Partial Halo
    2026/04/09 00:12:21 300 23 311 471 1070 47.8*1 ---- ---- 302 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/09 02:24:31 221 18 349 304 282 -3.5*1 ---- ---- 225 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/09 06:24:33 95 24 256 317 417 5.7*1 ---- ---- 93 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/09 12:12:22 102 14 348 261 0 -41.9*1 ---- ---- 108 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/09 14:24:31 111 35 296 297 303 0.2*1 ---- ---- 110 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/09 15:12:31 229 19 204 212 325 2.8*1 ---- ---- 231 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/10 04:39:15 257 75 737 672 686 -7.1*1 ---- ---- 272 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/11 19:48:22 105 55 166 171 217 0.9*1 ---- ---- 99 C2 C3 PHTX DST Java Movie Only C2
    2026/04/12 04:12:22 62 12 425 425 432 0.3*1 ---- ---- 63 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/12 06:24:34 157 15 881 1008 1676 100.5*1 ---- ---- 158 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/12 09:24:21 94 24 168 236 572 13.1*1 ---- ---- 98 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/12 19:00:20 288 38 178 203 548 11.4*1 ---- ---- 289 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/12 23:00:25 232 47 329 364 454 5.0*1 ---- ---- 229 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/04/13 03:12:31 108 58 347 295 0 -7.1*1 ---- ---- 100 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/13 04:00:31 248 26 960 732 0 -73.1*1 ---- ---- 247 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/13 10:36:23 294 18 823 1220 2287 244.8*1 ---- ---- 294 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/04/13 14:05:53 244 20 764 800 876 11.3*1 ---- ---- 242 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/13 15:00:20 85 28 206 209 245 0.8*1 ---- ---- 89 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/13 18:12:20 228 141 403 445 442 2.7 ---- ---- 242 C2 C3 PHTX DST Java Movie Partial Halo
    2026/04/13 21:48:21 63 69 592 937 968 36.7 ---- ---- 63 C2 C3 PHTX DST Java Movie
    2026/04/14 01:36:31 78 66 221 354 363 5.2*1 ---- ---- 70 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/14 03:00:22 224 21 231 230 225 -0.1*1 ---- ---- 219 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/14 08:36:21 247 15 572 835 2121 184.3*1 ---- ---- 248 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/14 19:24:22 87 38 496 589 585 7.4*1 ---- ---- 66 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/15 00:48:31 226 18 669 887 969 32.2*1 ---- ---- 230 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/15 08:00:31 71 66 514 622 687 12.7*1 ---- ---- 73 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/15 08:00:31 133 121 363 692 582 13.8*1 ---- ---- 139 C2 C3 PHTX DST Java Movie Partial Halo
    2026/04/15 11:48:20 305 259 1039 785 847 -38.4*1 ---- ---- 315 C2 C3 PHTX DST Java Movie Partial Halo
    2026/04/15 23:36:31 257 84 414 368 178 -7.7*1 ---- ---- 291 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/16 09:36:31 245 53 322 402 510 8.7*1 ---- ---- 244 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/04/17 19:24:21 82 40 206 203 169 -0.6*1 ---- ---- 89 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/18 08:48:31 118 123 396 501 471 5.6 ---- ---- 131 C2 C3 PHTX DST Java Movie Partial Halo
    2026/04/19 14:24:32 291 41 196 296 327 4.5*1 ---- ---- 301 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/04/19 16:00:32 58 98 432 380 321 -5.3*1 ---- ---- 67 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/20 02:36:22 83 20 249 300 619 14.2*1 ---- ---- 84 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/20 03:00:22 58 20 186 139 0 -7.3*1 ---- ---- 61 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/20 21:12:31 59 34 111 91 0 -2.1*1 ---- ---- 63 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/21 00:00:31 136 125 204 445 390 6.4*1 ---- ---- 111 C2 C3 PHTX DST Java Movie Partial Halo
    2026/04/21 00:48:31 2 82 250 480 451 8.5 ---- ---- 6 C2 C3 PHTX DST Java Movie
    2026/04/21 02:12:21 217 18 390 509 1002 39.1*1 ---- ---- 213 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/21 02:36:20 56 45 145 201 260 2.5*1 ---- ---- 56 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/21 11:12:31 89 49 375 400 576 8.6*1 ---- ---- 83 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/22 04:48:31 84 17 328 324 285 -1.2*1 ---- ---- 88 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/22 07:36:31 97 19 270 154 0 -51.9*1 ---- ---- 97 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/22 08:48:31 89 16 447 621 1012 38.8*1 ---- ---- 96 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/22 09:00:20 61 39 82 75 0 -1.4*1 ---- ---- 69 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/22 12:48:31 69 19 363 637 1463 88.9*1 ---- ---- 70 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/22 16:48:31 35 59 84 141 240 2.4*1 ---- ---- 27 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/04/22 23:36:31 95 14 322 185 0 -43.9*1 ---- ---- 94 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/22 23:36:31 318 53 520 575 616 6.7*1 ---- ---- 310 C2 C3 PHTX DST Java Movie Very Poor Event
    2026/04/23 02:48:31 296 55 778 1054 1272 56.2*1 ---- ---- 308 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/23 04:18:03 222 20 206 332 829 28.2*1 ---- ---- 223 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/23 05:00:22 305 95 701 705 712 0.9*1 ---- ---- 318 C2 C3 PHTX DST Java Movie
    2026/04/23 05:12:31 68 180 952 868 913 -9.4 ---- ---- 89 C2 C3 PHTX DST Java Movie Partial Halo
    2026/04/23 09:12:31 308 113 643 730 851 17.8*1 ---- ---- 314 C2 C3 PHTX DST Java Movie
    2026/04/23 11:24:21 305 45 380 416 511 5.8*1 ---- ---- 321 C2 C3 PHTX DST Java Movie
    2026/04/23 12:24:31 37 32 368 398 480 4.7*1 ---- ---- 52 C2 C3 PHTX DST Java Movie
    2026/04/23 13:48:25 316 53 569 688 771 17.4*1 ---- ---- 318 C2 C3 PHTX DST Java Movie
    2026/04/23 17:24:24 89 55 240 286 575 12.0*1 ---- ---- 98 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/23 17:24:24 320 173 609 648 634 3.2*1 ---- ---- 324 C2 C3 PHTX DST Java Movie Partial Halo
    2026/04/23 22:24:31 77 26 570 576 598 1.6*1 ---- ---- 78 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/24 01:24:16 325 249 727 812 769 7.4 ---- ---- 314 C2 C3 PHTX DST Java Movie Partial Halo
    2026/04/24 08:24:31 303 214 1304 1064 1222 -35.9 ---- ---- 307 C2 C3 PHTX DST Java Movie Partial Halo
    2026/04/24 09:24:25 74 56 605 577 581 -2.5*1 ---- ---- 84 C2 C3 PHTX DST Java Movie
    2026/04/24 18:36:15 313 119 540 700 628 10.0 ---- ---- 310 C2 C3 PHTX DST Java Movie
    2026/04/25 01:36:33 23 45 284 250 201 -2.5*1 ---- ---- 22 C2 C3 PHTX DST Java Movie
    2026/04/25 13:48:24 98 12 364 263 0 -98.0*1 ---- ---- 97 C2 C3 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2026/04/25 14:00:32 329 23 73 114 541 12.0*1 ---- ---- 331 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/25 15:24:21 94 43 497 368 223 -14.1*1 ---- ---- 96 C2 C3 PHTX DST Java Movie
    2026/04/25 17:00:20 1 78 264 305 296 1.6*1 ---- ---- 358 C2 C3 PHTX DST Java Movie
    2026/04/25 20:48:31 231 45 206 424 1024 43.8*1 ---- ---- 222 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/26 01:48:30 55 30 337 334 332 -0.2*1 ---- ---- 65 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/26 03:03:09 342 56 123 331 313 4.3*1 ---- ---- 343 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/26 10:24:32 108 18 215 294 736 22.2*1 ---- ---- 109 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/27 02:36:26 289 38 438 433 429 -0.6*1 ---- ---- 280 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/27 06:36:25 291 29 184 237 367 5.3*1 ---- ---- 290 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/27 14:00:31 289 48 238 255 387 4.1*1 ---- ---- 285 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/28 16:24:31 184 30 602 830 1398 75.5*1 ---- ---- 172 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/29 00:00:31 43 18 531 544 628 5.2*1 ---- ---- 51 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2026/04/29 00:00:31 258 64 104 204 248 2.6*1 ---- ---- 251 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/29 21:12:31 109 25 453 623 1534 95.5*1 ---- ---- 109 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/30 06:24:34 101 47 478 348 0 -31.1*1 ---- ---- 115 C2 C3 PHTX DST Java Movie Poor Event
    2026/04/30 07:24:21 305 56 188 204 348 3.7*1 ---- ---- 292 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/30 13:26:03 101 33 231 335 851 31.1*1 ---- ---- 99 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/30 13:48:20 189 89 158 149 0 -2.8*1 ---- ---- 196 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2026/04/30 18:12:21 191 137 210 379 672 18.9*1 ---- ---- 182 C2 C3 PHTX DST Java Movie Very Poor Event; Partial Halo
    2026/04/30 19:24:21 302 55 225 239 252 0.8*1 ---- ---- 293 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).