Compiled by C. St.Cyr (cst@sdac.nascom.nasa.gov) -- Version 1999/02/10 First C2 Central Angular Primary H-T Concave Appearance PA Width Speed Fit Accel Speed Out Date Time [UT] [deg] [deg] [km/s] [m/s^2] Feature Feature?Comments 1998/02/01 05:21? ~4 ~32 --- --- --- --- No Faint tongue unwinds(?) 1998/02/01 20:27 76 59 269 1 --- LE (Front) Yes Fuzzy material precedes structured arcade 1998/02/01 22:37 239 18 --- --- --- --- No Faint non-radial ragged tongue 1998/02/02 07:34 310 12 262 1 --- LE (Loop?) No Strange bright narrow loop(?) moves non-radially; YA at 16:27 1998/02/02 15:02 74 55 333 1 --- LE (Front) Yes Fuzzy non-radial material precedes very bright structured arcade 1998/02/03 06:31 63 35 --- --- --- --- No Very faint loop(?) precedes brighter blobs 1998/02/03 08:36 279 57 547 1 --- LE (Loop) Yes NR asymmetric arcade; preceded by slow expansion 1998/02/03 21:57 ~121 ~102 265 1 --- LE (Loop) Maybe Thick faint loop; may have internal arcade 1998/02/04 Data Gap 01:44-13:19 1998/02/04 17:02 285 92 494 2 5.2 LE (Loop) Yes Bright thick loop; flattened arcade; beautiful wishbone U 1998/02/05 No new CMEs this day 1998/02/06 02:55 281 67 --- --- --- --- Maybe Faint loop? Bright material in NW. What is this? 1998/02/06 07:28 78 22 --- --- --- --- No Non-radial tongue falls apart in C2 1998/02/06 15:08 ~226 ~142 200 1 --- LE (Materi Maybe Bright material precedes extremely faint concentric loops; bright material late at W equator 1998/02/07 Data Gap 19:38-22:38 1998/02/07 07:28 256 42 --- --- --- --- No Material, maybe some structure 1998/02/07 14:55 53 60 200 1 --- LE (Front) Yes Streamer bulges; likely core 1998/02/07 18:27 233 22 383 1 --- LE (Loop) No Narrow loop; poorly-placed data gap 1998/02/08 08:55 67 9 895 1 --- LE (Fan) No Fast twisting non-radial fan or jet 1998/02/08 ~18:27 ~25 ~50 127 1 --- (Loop) Maybe Very faint arcade 1998/02/09 03:27 71 12 611 1 --- (Jet) No Second brighter non-radial jet follows at 07:28 1998/02/09 23:27 ~40 ~190 257 2 1.5 (Front) Yes Diffuse in SE; large arcade w/diffuse LE and fainter sides 1998/02/10 No new CMEs this day 1998/02/11 03:08 270 37 388 1 --- LE (Materi No Material w/structure(?) falls apart 1998/02/11 ~15:55 311 40 107 1 --- (Loop) No Narrow loop w/inner loop (or core) 1998/02/12 14:27 273 48 492 1 --- LE (Loop) No Irregular loop(?) w/core(?) falls apart 1998/02/12 ~16:00 ~20 ~140 92 2 2.4 LE (Loop) No Thick faint loop 1998/02/13 05:55 292 9 361 1 --- LE (Jet) No Non-radial jet 1998/02/13 all day 98 52 136 1 --- (Material) Yes Streamer swells; erupts slowly Feb 14; nice taffy-pull follows 1998/02/14 ~07:00 ~130 ~220 275 2 2.4 LE (Loop) Yes Streamer swelling began previous day; much structure; faint extensions to halo size 1998/02/14 10:55 289 26 197 2 1.6 (V) Yes Non-radial jet followed by loop and nice structured concave-out 1998/02/15 10:27 324 39 399 1 --- LE (Loop) No Very faint mound or loop 1998/02/15 17:27 114 35 177 1 --- LE (Loop) No Non-radial partial loop followed by diffuse fan 1998/02/16 No new CMEs this day 1998/02/17 05:08 108 59 228 2 1.7 (Loop) Yes Loop w/concave-out in SE 1998/02/17 07:55 85 25 348 1 --- LE (Front) No Pointy material 1998/02/17 ~15:27 ~279 ~23 173 1 --- (Blob) Yes Blob? What is this? 1998/02/18 02:27 53 29 517 1 --- (Loop?) No Material adjacent to brightening streamer ejected w/twist; second narrow loop? follows 1998/02/18 02:27 ~90 ~28 --- --- --- --- No Faint enhancement; rising arcade?; falls apart; part of previous? 1998/02/18 09:27 272 57 254 1 --- LE (Front) Maybe Faint front followed by diffuse structured(?) material 1998/02/19 19:28 301 11 265 1 --- LE (Jet) No Non-radial jet or fan 1998/02/19 21:55 114 8 369 1 --- LE (Jet) No Non-radial jet or fan; several faint spits precede it 1998/02/20 08:55 113 84 521 1 --- LE (Loop) No Bright material; fainter loop in South 1998/02/20 23:25 245 50 294 1 --- LE (Loop) Yes Structured arcade 1998/02/20 23:25 ~78 ~58 246 2 2.5 LE(Mound) No Slow rising mound; overlaps event in SE next day 1998/02/21 04:26 ~101 ~31 231 1 --- (Front) No Irregular non-radial front; overlaps previous event IP in NE 1998/02/22 00:27 85 43 363 1 --- LE (Front) Maybe Non-radial front w/structured material trailing 1998/02/22 16:55 88 58 193 1 --- LE (Materi Yes Diffuse material precedes structured arcade 1998/02/22 22:30 315 70 392 1 --- LE (Front) No Slanted filled front 1998/02/23 02:55 268 81 580 2 12.3 (Core) Yes Arcade with very bright structured core 1998/02/23 13:28 106 36 --- --- --- --- No Non-radial front 1998/02/23 23:27 83 80 408 1 --- LE (Loop) Yes Structured flattened arcade 1998/02/24 07:28 92 59 665 2 10.8 LE (Loop) Yes Non-radial structured loop w/structured core 1998/02/24 18:27 253 40 298 1 --- LE (Materi No Non-radial material falls apart 1998/02/24 21:55 289 14 497 1 --- LE (Tongue No Non-radial bright tongue 1998/02/25 14:55 330 25 --- --- --- --- No Sweeping streamer? Or part of much bigger W event?? 1998/02/25 20:55 72 66 361 1 --- LE (Loop) Yes Faint loop precedes brighter arcade (two events?) 1998/02/26 05:27 255 55 248 1 --- LE (Materi No Non-radial material falls apart in C2 1998/02/26 19:03 331 26 423 1 --- LE (Tongue No Faint tongue. 1998/02/27 09:55 265 53 291 1 --- LE (Front) No Faint front, falls apart in C2 1998/02/27 Data Gap 19:38-22:15 1998/02/28 10:22 ~253 ~54 207 1 --- LE (Front) No Faint front; falls apart 1998/02/28 12:48 ~220 ~200 155 1 --- LE (Loop) No Faint partial halo of concentric loops; brightest in West 1998/02/28 19:50 280 35 470 1 --- LE (Materi No Bright diffuse cloud (part of halo?)