• 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] Daily Movies
    and Plots     		Remarks
    2004/04/01 22:00:05 59 79 460 613 528 7.1 3.5e+15 3.7e+30 54 C2 C3 PHTX DST Java Movie
    2004/04/02 03:00:05 128 25 405 321 0 -33.1*1 3.6e+13 3.0e+28 126 C2 C3 PHTX DST Java Movie Only C2
    2004/04/02 11:00:05 56 34 84 92 229 2.0*1 1.4e+14 4.9e+27 60 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2004/04/02 23:40:06 246 38 304 263 0 -7.1*1 3.6e+13 1.7e+28 247 C2 C3 PHTX DST Java Movie Poor Event
    2004/04/03 04:00:06 250 41 341 328 308 -1.3*1 5.9e+13 3.4e+28 254 C2 C3 PHTX DST Java Movie Poor Event
    2004/04/03 11:00:05 122 50 458 374 282 -9.1 4.7e+14 4.9e+29 118 C2 C3 PHTX DST Java Movie
    2004/04/03 23:20:05 127 34 374 297 0 -32.5*1 ---- ---- 121 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2004/04/04 00:20:06 135 22 426 525 950 32.7 2.9e+14 2.6e+29 137 C2 C3 PHTX DST Java Movie Only C2
    2004/04/04 01:20:05 128 47 445 362 97 -11.6 2.0e+14 2.0e+29 121 C2 C3 PHTX DST Java Movie
    2004/04/04 12:20:05 131 29 360 477 1006 39.3 1.5e+14 9.8e+28 132 C2 C3 PHTX DST Java Movie Only C2
    2004/04/04 16:00:05 131 53 520 630 713 13.8 1.5e+15 2.0e+30 141 C2 C3 PHTX DST Java Movie
    2004/04/05 01:31:44 273 13 776 554 0 -206.2*1 ---- ---- 276 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2004/04/05 02:54:05 112 41 431 443 492 2.9*1 4.2e+14 3.9e+29 118 C2 C3 195 PHTX DST Java Movie
    2004/04/05 05:06:06 124 51 507 485 269 -8.8 2.7e+15 3.5e+30 116 C2 C3 195 PHTX DST Java Movie Only C2
    2004/04/05 06:06:05 111 191 608 496 528 -9.7 ---- ---- 125 C2 C3 195 PHTX DST Java Movie Partial Halo
    2004/04/05 21:08:03 111 27 376 399 404 1.6*1 3.5e+14 2.5e+29 108 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/04/06 00:30:05 247 17 427 471 678 13.3*1 3.8e+13*2 3.4e+28*2 249 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/04/06 02:54:05 106 14 339 491 865 30.0*1 7.5e+13 4.3e+28 109 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/04/06 13:31:43 Halo (BA) 360 1368 1625 1511 45.6 ---- ---- 167 C2 C3 195 PHTX DST Java Movie MailLog1
    2004/04/06 20:06:06 177 76 367 343 267 -3.5*1 1.2e+14 8.4e+28 186 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/04/07 15:30:34 247 36 327 362 376 2.3 8.1e+14 4.3e+29 257 C2 C3 195 PHTX DST Java Movie
    2004/04/07 21:54:05 275 39 149 173 416 6.6*1 5.8e+13 6.4e+27 282 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/04/08 02:06:05 279 113 319 316 313 -0.2 1.1e+15 5.5e+29 276 C2 C3 195 PHTX DST Java Movie
    2004/04/08 02:54:06 77 11 387 334 291 -4.5*1 6.7e+13 5.0e+28 77 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/04/08 04:06:05 73 26 454 456 458 0.3*1 1.5e+14 1.6e+29 77 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/04/08 06:30:05 272 51 214 252 431 6.5*1 8.7e+14 2.0e+29 264 C2 C3 195 PHTX DST Java Movie
    2004/04/08 10:30:19 Halo (BA) 360 1068 812 945 -36.5 ---- ---- 197 C2 C3 195 PHTX DST Java Movie MailLog1
    2004/04/08 11:30:05 269 57 335 364 480 5.7*1 2.9e+14 1.6e+29 258 C2 C3 195 PHTX DST Java Movie
    2004/04/08 13:31:42 198 92 959 953 956 -0.7 5.3e+14 2.4e+30 202 C2 C3 195 PHTX DST Java Movie
    2004/04/08 18:54:05 269 62 258 215 0 -5.2*1 4.1e+14 1.4e+29 253 C2 C3 195 PHTX DST Java Movie
    2004/04/08 20:06:05 101 60 198 174 0 -3.7*1 2.3e+14 4.5e+28 113 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/04/09 04:30:07 55 52 297 212 0 -7.4*1 4.2e+14 1.9e+29 62 C2 C3 195 PHTX DST Java Movie
    2004/04/09 09:54:05 103 42 168 159 0 -1.7*1 6.0e+13 8.4e+27 114 C2 C3 195 PHTX DST Java Movie Poor Event; Only C2
    2004/04/09 12:30:05 251 27 281 302 384 3.6*1 5.7e+12 2.3e+27 249 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/04/09 12:54:05 122 17 473 537 790 20.3*1 8.3e+13 9.3e+28 119 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/04/09 20:30:05 227 273 977 955 959 -3.3 ---- ---- 215 C2 C3 195 PHTX DST Java Movie Partial Halo
    2004/04/10 00:54:05 227 32 606 612 616 0.9 3.2e+14 5.8e+29 225 C2 C3 195 PHTX DST Java Movie
    2004/04/10 02:08:05 272 51 233 164 0 -23.0*1 ---- ---- 282 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2004/04/10 03:54:07 347 35 250 217 147 -2.6*1 2.2e+14 6.8e+28 351 C2 C3 195 PHTX DST Java Movie
    2004/04/10 08:06:05 241 30 595 677 769 13.6*1 1.7e+14 3.0e+29 244 C2 C3 195 PHTX DST Java Movie
    2004/04/10 17:54:05 217 19 476 408 0 -13.5*1 4.4e+13 5.0e+28 214 C2 C3 195 PHTX DST Java Movie
    2004/04/10 18:54:05 222 53 311 335 397 3.1*1 2.6e+14 1.3e+29 220 C2 C3 195 PHTX DST Java Movie
    2004/04/10 23:06:53 60 59 607 362 459 -21.4 1.1e+15 2.1e+30 65 C2 C3 195 PHTX DST Java Movie
    2004/04/11 01:31:42 10 37 484 457 0 -15.7*1 2.5e+13*2 3.0e+28*2 14 C2 C3 195 PHTX DST Java Movie Very Poor Event; Only C2
    2004/04/11 04:30:06 203 314 1645 1340 1474 -77.6 ---- ---- 237 C2 C3 195 PHTX DST Java Movie Partial Halo
    2004/04/11 11:54:05 Halo (OA) 360 1132 972 1086 -19.4 ---- ---- 295 C2 C3 195 PHTX DST Java Movie MailLog1
    2004/04/11 20:30:05 119 12 465 554 739 17.3*1 3.5e+13 3.8e+28 117 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/04/11 23:30:05 227 27 670 561 0 -49.1*1 1.1e+14 2.5e+29 227 C2 C3 195 PHTX DST Java Movie
    2004/04/12 00:30:05 120 16 488 277 0 -118.0*1 ---- ---- 117 C2 C3 195 PHTX DST Java Movie Poor Event; Only 3 points; Only C2
    2004/04/12 00:54:05 248 57 261 259 257 -0.1*1 2.2e+14 7.6e+28 238 C2 C3 195 PHTX DST Java Movie
    2004/04/12 09:54:31 228 31 537 398 0 -31.0*1 1.8e+14 2.5e+29 235 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/04/12 11:06:05 98 21 453 466 505 2.6*1 1.7e+14 1.7e+29 101 C2 C3 195 PHTX DST Java Movie
    2004/04/12 12:54:05 33 50 435 483 578 8.3*1 1.6e+14 1.5e+29 39 C2 C3 195 PHTX DST Java Movie Very Poor Event
    2004/04/12 20:30:06 305 44 495 615 1033 39.0*1 1.9e+14 2.3e+29 305 C2 C3 195 PHTX DST Java Movie
    2004/04/12 21:30:05 100 32 510 549 640 8.0*1 1.6e+14 2.1e+29 101 C2 C3 195 PHTX DST Java Movie
    2004/04/13 05:54:22 58 61 433 435 434 0.1 1.4e+15 1.3e+30 66 C2 C3 195 PHTX DST Java Movie
    2004/04/13 08:54:05 309 63 406 405 405 -0.1 1.4e+15 1.1e+30 315 C2 C3 195 PHTX DST Java Movie
    2004/04/13 10:54:05 147 32 458 453 449 -0.5*1 3.2e+14 3.4e+29 150 C2 C3 195 PHTX DST Java Movie
    2004/04/13 11:30:05 229 39 826 768 668 -14.9*1 2.1e+14 7.3e+29 227 C2 C3 195 PHTX DST Java Movie
    2004/04/13 18:26:05 320 51 293 217 0 -8.5*1 7.2e+13 3.1e+28 329 C2 C3 195 PHTX DST Java Movie Poor Event
    2004/04/13 20:59:06 202 125 325 439 411 5.0 2.6e+15*2 1.4e+30*2 222 C2 C3 195 PHTX DST Java Movie Partial Halo
    2004/04/14 01:27:13 147 36