• 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
    2010/03/01 12:54:03 30 11 331 341 348 0.7*1 ---- ---- 32 C2 C3 195 PHTX DST Java Movie
    2010/03/01 15:30:03 71 19 359 333 327 -1.7*1 ---- ---- 75 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/03/01 23:06:03 85 87 1518 1510 1514 -1.6 2.0e+15 2.3e+31 66 C2 C3 195 PHTX DST Java Movie
    2010/03/02 03:30:03 57 39 879 833 857 -5.2 7.4e+14 2.9e+30 68 C2 C3 195 PHTX DST Java Movie
    2010/03/02 12:30:03 265 26 212 349 959 37.6*1 4.7e+13 1.1e+28 270 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2010/03/02 17:06:03 265 102 197 215 450 7.4*1 1.4e+14 2.8e+28 278 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2010/03/03 03:08:02 265 34 172 175 213 0.7*1 9.4e+13 1.4e+28 267 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2010/03/03 15:30:03 71 33 380 297 0 -9.4 2.4e+14 1.8e+29 75 C2 C3 195 PHTX DST Java Movie
    2010/03/03 20:30:03 82 80 609 679 646 5.0 3.4e+15 6.2e+30 92 C2 C3 195 PHTX DST Java Movie
    2010/03/04 00:06:03 47 11 356 383 381 1.6*1 ---- ---- 54 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/03/04 14:06:03 258 44 374 362 339 -1.4*1 8.7e+13 6.1e+28 258 C2 C3 195 PHTX DST Java Movie
    2010/03/05 00:30:03 269 63 277 302 293 1.0 2.9e+15 1.1e+30 271 C2 C3 195 PHTX DST Java Movie
    2010/03/05 00:54:25 43 8 253 379 467 8.7*1 ---- ---- 45 C2 C3 195 PHTX DST Java Movie
    2010/03/05 11:30:03 274 16 254 253 251 -0.1*1 ---- ---- 268 C2 C3 195 PHTX DST Java Movie
    2010/03/05 15:30:04 343 11 303 246 0 -24.0*1 ---- ---- 335 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/05 21:54:03 261 63 168 266 410 6.7*1 1.9e+13 2.7e+27 265 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/03/06 07:51:49 109 127 1009 1125 1067 14.1 3.0e+15*2 1.5e+31*2 74 C2 C3 195 PHTX DST Java Movie Partial Halo
    2010/03/06 12:13:00 257 70 228 375 359 5.2 1.7e+15 4.3e+29 248 C2 C3 195 PHTX DST Java Movie
    2010/03/06 20:30:03 45 7 323 298 271 -2.3*1 ---- ---- 54 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/07 02:30:04 46 12 256 283 344 3.0*1 ---- ---- 55 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/03/07 05:54:03 247 18 230 224 219 -0.3*1 ---- ---- 252 C2 C3 195 PHTX DST Java Movie
    2010/03/07 17:54:03 45 9 286 379 392 5.7*1 ---- ---- 55 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/07 18:30:03 106 13 189 164 72 -1.9*1 ---- ---- 105 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/08 03:30:03 102 12 174 205 257 1.9*1 ---- ---- 104 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/08 06:30:03 42 11 266 276 290 0.8*1 ---- ---- 54 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/08 08:30:03 245 16 217 240 264 1.4*1 ---- ---- 243 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/09 00:54:03 91 30 66 70 96 0.2*1 1.5e+14 3.4e+27 84 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/09 04:30:03 188 6 444 373 0 -40.3*1 ---- ---- 194 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/09 10:30:19 42 12 334 460 473 9.0*1 ---- ---- 50 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/09 21:54:03 355 9 329 263 0 -24.1*1 ---- ---- 355 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/10 00:06:03 175 7 369 304 0 -26.2*1 ---- ---- 176 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/10 00:06:03 38 8 342 365 387 2.2*1 ---- ---- 47 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/10 04:06:03 38 25 200 238 425 6.3*1 2.2e+14 4.5e+28 41 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/10 07:31:38 44 59 215 176 71 -2.4*1 1.1e+15 2.5e+29 43 C2 C3 195 PHTX DST Java Movie
    2010/03/10 17:30:03 325 10 307 301 237 -1.7*1 ---- ---- 325 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/10 18:06:03 125 13 376 534 1122 49.8*1 ---- ---- 124 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/11 04:54:03 80 9 182 191 243 1.3*1 ---- ---- 82 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/11 09:30:03 26 10 181 167 126 -0.9*1 ---- ---- 31 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/11 15:30:03 8 8 418 254 0 -96.1*1 ---- ---- 14 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/11 20:30:03 62 63 222 282 285 2.1*1 2.5e+15 6.2e+29 70 C2 C3 195 PHTX DST Java Movie
    2010/03/12 03:54:04 64 49 320 453 429 5.9 1.7e+15 8.6e+29 69 C2 C3 195 PHTX DST Java Movie
    2010/03/13 00:30:05 296 27 184 185 187 0.1*1 9.1e+13 1.5e+28 287 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/03/13 10:34:03 321 4 548 867 2711 313.1*1 ---- ---- 321 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2010/03/13 16:54:06 273 95 1258 1548 1398 41.1 3.0e+15 2.4e+31 305 C2 C3 195 PHTX DST Java Movie
    2010/03/13 18:06:05 264 44 380 438 559 9.0 7.0e+14 5.0e+29 249 C2 C3 195 PHTX DST Java Movie
    2010/03/13 20:30:05 292 31 695 909 1029 37.9 2.8e+14 6.8e+29 298 C2 C3 195 PHTX DST Java Movie
    2010/03/14 00:30:05 9 260 351 352 352 0.1*1 ---- ---- 31 C2 C3 195 PHTX DST Java Movie Partial Halo
    2010/03/14 01:31:43 294 80 242 231 224 -0.6 1.1e+15 3.2e+29 290 C2 C3 195 PHTX DST Java Movie
    2010/03/14 06:06:05 110 77 276 381 375 4.5 8.0e+14 3.0e+29 109 C2 C3 195 PHTX DST Java Movie
    2010/03/15 00:30:05 111 54 175 172 162 -0.2*1 2.5e+13 3.8e+27 97 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/03/15 06:30:05 102 11 195 220 259 1.6*1 ---- ---- 104 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/15 06:54:05 323 15 149 167 373 5.0*1 ---- ---- 320 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/15 09:08:06 103 18 208 195 132 -1.3*1 ---- ---- 102 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/15 10:54:05 193 136 187 163 82 -1.6*1 5.6e+13*2 9.8e+27*2 210 C2 C3 195 PHTX DST Java Movie Very Poor Event; Partial Halo
    2010/03/15 16:30:05 344 10 404 435 747 17.9*1 ---- ---- 345 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/15 18:30:05 78 26 345 298 171 -5.3*1 2.0e+14 1.2e+29 78 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/16 00:06:05 93 13 187 252 464 8.2*1 ---- ---- 91 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/16 07:31:42 104 10 216 232 268 1.3*1 ---- ---- 104 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/16 22:30:05 229 76 113 161 183 1.3*1 2.2e+15 1.4e+29 230 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/17 03:54:05 325 7 371 113 0 -139.0*1 ---- ---- 326 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/17 12:30:05 259 66 870 995 986 20.9*1 8.5e+14 3.2e+30 274 C2 C3 195 PHTX DST Java Movie
    2010/03/17 21:54:05 239 13 400 393 392 -0.5*1 ---- ---- 247 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/18 02:30:06 212 23 297 302 310 0.4*1 2.2e+12 9.5e+26 215 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/18 14:30:05 96 9 171 236 256 2.2*1 ---- ---- 101 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/03/18 19:31:44 266 68 713 579 644 -12.0 1.8e+15 4.6e+30 271 C2 C3 195 PHTX DST Java Movie
    2010/03/18 23:54:05 299 79 488 521 794 18.2*1 1.6e+14*2 1.9e+29*2 303 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/19 10:06:05 126 15 599 791 1621 102.2*1 ---- ---- 124 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/19 10:30:24 270 101 186 251 261 2.2 2.2e+15 3.7e+29 265 C2 C3 195 PHTX DST Java Movie
    2010/03/20 00:54:05 275 93 318 519 457 7.9 4.8e+15 2.4e+30 291 C2 C3 195 PHTX DST Java Movie
    2010/03/20 20:06:06 307 10 329 316 301 -1.2*1 ---- ---- 310 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/20 22:18:05 279 16 323 360 394 3.5*1 ---- ---- 282 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/03/21 15:08:05 310 8 343 492 608 14.3*1 ---- ---- 307 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/22 12:30:05 310 50 348 239 0 -12.3*1 3.6e+14 2.2e+29 316 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/23 07:54:06 50 9 267 345 741 21.1*1 ---- ---- 55 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/23 22:30:05 82 55 160 314 341 4.9*1 1.4e+15 1.8e+29 82 C2 C3 195 PHTX DST Java Movie
    2010/03/25 01:31:42 78 28 336 238 156 -6.6*1 2.2e+14 1.2e+29 74 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/03/25 01:54:05 115 39 338 356 435 3.6*1 6.5e+14 3.7e+29 117 C2 C3 195 PHTX DST Java Movie
    2010/03/25 02:54:05 115 39 186 165 0 -2.2*1 8.6e+14 1.5e+29 115 C2 C3 195 PHTX DST Java Movie
    2010/03/25 06:06:05 50 41 387 588 1161 55.0*1 6.2e+13 4.6e+28 45 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/25 10:54:05 282 96 606 590 595 -1.3 1.3e+15 2.4e+30 285 C2 C3 195 PHTX DST Java Movie
    2010/03/26 04:30:06 112 6 222 236 270 1.2*1 ---- ---- 121 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/26 06:06:05 114 8 220 292 373 4.8*1 ---- ---- 120 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/26 10:30:21 280 115 216 322 325 3.8*1 1.2e+15 2.8e+29 296 C2 C3 195 PHTX DST Java Movie
    2010/03/27 07:31:42 40 12 328 603 1887 152.4*1 ---- ---- 37 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2010/03/27 16:30:05 39 12 435 603 1218 59.2*1 ---- ---- 38 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2010/03/28 08:06:05 326 17 252 282 302 1.9*1 ---- ---- 312 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2010/03/28 23:54:05 61 18 515 593 681 11.7*1 ---- ---- 67 C2 C3 195 PHTX DST Java Movie Poor Event
    2010/03/29 09:08:04 262 124 290 263 244 -1.7 8.8e+14*2 3.7e+29*2 291 C2 C3 195 PHTX DST Java Movie Partial Halo
    2010/03/30 02:30:06 322 96 262 423 510 10.3*1 9.6e+14 3.3e+29 312 C2 C3 195 PHTX DST Java Movie
    2010/03/30 02:54:05 123 81 265 333 327 2.7 4.6e+15 1.6e+30 121 C2 C3 195 PHTX DST Java Movie
    2010/03/30 18:54:05 86 64 726 599 598 -16.4 8.8e+14 2.3e+30 74 C2 C3 195 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).