• 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
    2016/10/01 01:25:43 54 103 176 221 554 12.4*1 8.7e+14 1.3e+29 51 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/10/01 02:36:05 104 119 387 362 372 -1.3*1 8.6e+15 6.5e+30 87 C2 C3 PHTX DST Java Movie
    2016/10/01 14:12:05 88 76 818 1344 1245 60.5*1 2.2e+15 7.2e+30 74 C2 C3 PHTX DST Java Movie
    2016/10/01 14:24:05 311 141 333 394 502 7.3*1 1.6e+15*2 9.1e+29*2 310 C2 C3 PHTX DST Java Movie Partial Halo
    2016/10/01 22:36:06 41 15 354 481 1105 49.1*1 ---- ---- 44 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/02 07:48:05 83 27 234 278 354 3.7*1 2.1e+14 5.7e+28 85 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/02 20:24:05 84 13 244 318 565 12.8*1 ---- ---- 81 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/03 00:12:05 87 14 204 221 272 1.7*1 ---- ---- 82 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/03 23:48:05 84 40 145 104 0 -7.8*1 1.0e+14 1.1e+28 83 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/04 06:36:05 246 65 298 395 364 3.7*1 5.1e+15 2.3e+30 248 C2 C3 PHTX DST Java Movie
    2016/10/04 14:00:05 155 5 417 317 0 -75.0*1 ---- ---- 153 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/05 03:12:08 247 41 217 251 422 6.1*1 2.5e+14 5.8e+28 240 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/10/05 09:12:08 272 25 538 611 647 8.3*1 2.0e+15 2.9e+30 268 C2 C3 PHTX DST Java Movie
    2016/10/05 11:36:05 106 8 305 513 1219 60.9*1 ---- ---- 105 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/10/05 13:36:11 241 18 243 243 243 -0.0*1 ---- ---- 241 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/05 16:12:05 237 32 57 121 215 2.0*1 8.4e+14 1.4e+28 236 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/06 02:12:05 98 18 229 252 449 6.6*1 ---- ---- 97 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/06 02:48:06 138 7 314 392 1150 52.7*1 ---- ---- 136 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/07 00:48:05 60 56 157 435 365 5.5*1 5.8e+15 7.2e+29 54 C2 C3 PHTX DST Java Movie
    2016/10/07 16:12:05 250 47 336 312 293 -1.8*1 1.0e+14 5.7e+28 242 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/08 10:36:05 234 9 369 362 350 -0.9*1 ---- ---- 237 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/08 12:48:05 285 17 398 557 1245 63.4*1 ---- ---- 285 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/10/08 16:12:05 65 7 336 443 624 16.0*1 ---- ---- 69 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/08 17:12:05 236 7 358 329 319 -2.1*1 ---- ---- 238 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/08 18:36:05 62 5 547 652 670 11.5*1 ---- ---- 66 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/09 02:24:05 Halo 360 179 272 308 3.6*1 5.6e+15*2 9.0e+29*2 38 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/10 08:36:05 166 171 227 397 372 5.6*1 5.4e+15*2 1.4e+30*2 116 C2 C3 PHTX DST Java Movie Poor Event; Partial Halo
    2016/10/11 03:24:05 122 91 179 155 103 -1.2*1 3.9e+13 6.3e+27 115 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/11 15:36:05 84 63 165 191 381 5.2*1 2.8e+14 3.8e+28 88 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/11 19:24:08 237 48 234 315 381 5.4*1 1.1e+15 3.1e+29 249 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/12 08:24:05 19 45 212 328 746 22.6*1 2.1e+14 4.6e+28 20 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/13 05:12:05 63 42 227 249 268 1.2*1 2.8e+15 7.2e+29 64 C2 C3 PHTX DST Java Movie
    2016/10/13 21:49:33 116 28 167 189 351 4.2*1 6.5e+13 9.1e+27 112 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/10/14 01:36:13 66 35 248 177 0 -10.9*1 1.6e+14 5.0e+28 66 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/14 09:48:05 103 75 375 432 402 2.3 1.5e+16 1.1e+31 116 C2 C3 PHTX DST Java Movie
    2016/10/14 16:48:05 97 104 540 425 506 -6.9 2.4e+16 3.4e+31 120 C2 C3 PHTX DST Java Movie
    2016/10/16 00:12:05 290 10 207 420 1089 58.8*1 ---- ---- 286 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/16 00:12:05 66 20 301 260 0 -18.1*1 7.1e+13 3.2e+28 71 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/16 08:24:05 309 29 161 265 849 29.4*1 5.7e+13 7.4e+27 307 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/10/16 11:12:05 57 13 356 357 364 0.3*1 ---- ---- 62 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/16 23:12:10 199 8 358 700 2723 309.8*1 ---- ---- 201 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/17 00:48:05 293 30 141 180 406 6.5*1 2.3e+14 2.2e+28 295 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/17 16:48:05 229 7 311 197 0 -49.8*1 ---- ---- 234 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/17 19:28:44 84 10 374 444 1150 53.4*1 ---- ---- 89 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/18 00:12:05 341 127 106 142 308 3.7*1 3.0e+14*2 1.7e+28*2 354 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2; Partial Halo
    2016/10/18 06:00:06 310 44 207 274 660 17.1*1 6.6e+13 1.4e+28 311 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/18 06:24:05 120 33 162 248 409 6.7*1 7.3e+14 9.6e+28 121 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/18 12:48:05 295 28 207 260 552 11.9*1 9.2e+13 2.0e+28 291 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/10/19 07:36:05 308 26 66 84 172 1.1*1 3.2e+14 7.1e+27 307 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/20 16:00:05 315 67 201 283 562 12.5*1 3.0e+14 6.0e+28 309 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/21 08:48:26 38 14 303 303 295 -0.2*1 ---- ---- 38 C2 C3 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2016/10/22 02:48:05 79 34 65 84 230 2.1*1 1.5e+14 3.1e+27 78 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/22 14:36:05 301 19 424 367 0 -12.1*1 ---- ---- 289 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/22 17:24:05 273 101 496 403 0 -20.7*1 6.9e+14 8.5e+29 273 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/23 12:00:05 299 43 263 266 279 0.4*1 3.1e+14 1.1e+29 292 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/23 16:48:05 307 33 258 307 371 4.0*1 2.5e+14 8.3e+28 300 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/23 20:12:05 118 78 293 185 0 -17.5*1 4.0e+14 1.7e+29 107 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/24 00:24:06 318 56 442 493 549 6.3*1 5.2e+14 5.0e+29 316 C2 C3 PHTX DST Java Movie
    2016/10/24 13:25:41 147 97 184 83 0 -6.2*1 9.8e+14 1.7e+29 153 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/24 19:12:05 137 81 239 286 437 6.4*1 1.1e+13 3.1e+27 125 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/24 21:12:10 292 63 291 385 494 8.5*1 2.0e+15 8.3e+29 297 C2 C3 PHTX DST Java Movie
    2016/10/24 22:12:05 231 81 454 578 587 10.5*1 8.6e+15 8.9e+30 236 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/24 23:48:05 139 73 240 319 419 7.4*1 1.9e+15 5.5e+29 118 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/25 02:36:05 242 26 395 516 542 10.0*1 7.2e+13 5.6e+28 247 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/25 05:24:05 115 71 415 460 518 5.6*1 2.8e+14 2.4e+29 113 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/25 07:36:05 100 48 274 179 0 -15.3*1 9.2e+14 3.5e+29 107 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/25 15:24:05 104 41 207 281 506 10.0*1 3.4e+14 7.2e+28 110 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/25 18:48:07 42 162 470 482 476 0.7 1.1e+16*2 1.2e+31*2 61 C2 C3 PHTX DST Java Movie Partial Halo
    2016/10/26 00:12:07 162 11 694 954 2439 247.4*1 ---- ---- 158 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/26 10:24:05 293 65 232 487 710 21.1*1 7.5e+14 2.0e+29 297 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/26 13:25:42 245 13 277 331 358 3.3*1 ---- ---- 246 C2 C3 PHTX DST Java Movie
    2016/10/26 15:24:06 56 44 295 380 476 7.7*1 4.9e+13 2.1e+28 52 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/27 02:24:05 96 21 346 328 209 -3.9*1 1.5e+14 9.3e+28 98 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/27 04:48:05 163 18 453 408 0 -22.0*1 ---- ---- 161 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/27 05:12:05 79 9 423 441 454 1.9*1 ---- ---- 80 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/27 09:24:06 164 7 337 601 2382 241.8*1 ---- ---- 162 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/27 12:12:05 85 19 353 386 437 3.9*1 ---- ---- 87 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/27 16:36:05 104 12 369 483 601 12.4*1 ---- ---- 101 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/27 21:17:32 270 13 378 476 1026 39.9*1 ---- ---- 269 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/28 01:36:14 271 34 475 570 651 11.9*1 4.9e+14 5.6e+29 271 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/28 12:10:06 25 90 155 181 419 6.6*1 3.9e+14 4.7e+28 24 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/28 17:48:05 70 18 141 190 443 7.6*1 ---- ---- 71 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/28 21:36:05 340 5 272 132 0 -51.0*1 ---- ---- 340 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/29 09:36:05 283 24 253 308 393 4.7*1 7.9e+14 2.5e+29 284 C2 C3 PHTX DST Java Movie Poor Event
    2016/10/29 16:36:05 346 4 393 636 1966 162.7*1 ---- ---- 347 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/29 23:24:05 284 112 514 444 330 -10.0*1 2.8e+15 3.8e+30 276 C2 C3 PHTX DST Java Movie
    2016/10/30 02:48:05 284 37 170 259 791 25.9*1 8.3e+13 1.2e+28 285 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/10/30 10:36:06 175 92 137 196 378 5.6*1 6.3e+14 5.9e+28 174 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/10/30 23:36:05 282 101 262 256 238 -0.6*1 7.2e+14 2.5e+29 302 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).