1999 October Filament Observations |
- Small Emerging Bipoles in the Filament Channel
- Comparison of magnetogram and H alpha image
- Rotational Motions on October 12, Prior to Eruption
- Images and Movies
- GIF images at line center: at
15:40,
17:20,
19:00,
20:40, and
22:20 UT
- Mpeg movie at line center: whole,
1st,
2nd,
3rd,
4th, and
5th one.
- Mpeg movie at -0.25 A: whole,
1st,
2nd,
3rd, and
4th one.
- Mpeg movie at +0.25 A: whole,
1st,
2nd,
3rd, and
4th one.
- Horizontal Velocity Maps:
The trasverse speeds of B, C and D are
28, 18, and 11 km/s , respectively.
- Line-of-sight Velocities:
The contrast profiles determined from the Helio Research data
produce the line-of-sight velocities of about -40, -27, and 18 km/s
for B, C and D, respectively (negative sign motin is
away from the observer, i.e. red-shifted).