Post by brianb on Mar 2, 2010 18:18:07 GMT
Another day with intermittent sunshine, though much interference from high cloud associated with an approaching weather front.
Disc overviews in CaK and Ha:
1057 UT
1102 UT
Yesterday's new active areas (now numbered 11052 & 11053) have failed to develop, though both have small spots visible in white light. The white light spot in AR 11051 also persists.
AR11051 in Ha & CaK:
1105 UT. Solarscope 60, f/16.
1113 UT, 60mm, f/25.
AR11052 & AR11053 in Ha & CaK (11052 is the more northerly one)
1106 UT, Solarscope 60, f/16
1112 UT, 60mm, f/25
The patch of activity at the north east limb:
1106 UT, Solarscope 60, f/16
1114 UT, 60mm, f/25
Milky high could prevented a good view of prominences. There were obviously some on the west limb but they were too faint to image properly in the prevailing conditions. After lunch I did manage to obtain a passable image of the prominence group on the NE limb, though this was subdued compared with yesterday.
1333 UT, Solarscope 60, f/16
There was also an intesting small but very bright prominence on the SW limb, which looked like a piece of the chromosphere had peeled off!
1107 UT, Solarscope 60, f/16
Transparency poor with variable milky white high cloud (cirrostratus). Seeing fairly good. Temp +5C, wind SW force 2-3.
Disc overviews in CaK and Ha:
1057 UT
1102 UT
Yesterday's new active areas (now numbered 11052 & 11053) have failed to develop, though both have small spots visible in white light. The white light spot in AR 11051 also persists.
AR11051 in Ha & CaK:
1105 UT. Solarscope 60, f/16.
1113 UT, 60mm, f/25.
AR11052 & AR11053 in Ha & CaK (11052 is the more northerly one)
1106 UT, Solarscope 60, f/16
1112 UT, 60mm, f/25
The patch of activity at the north east limb:
1106 UT, Solarscope 60, f/16
1114 UT, 60mm, f/25
Milky high could prevented a good view of prominences. There were obviously some on the west limb but they were too faint to image properly in the prevailing conditions. After lunch I did manage to obtain a passable image of the prominence group on the NE limb, though this was subdued compared with yesterday.
1333 UT, Solarscope 60, f/16
There was also an intesting small but very bright prominence on the SW limb, which looked like a piece of the chromosphere had peeled off!
1107 UT, Solarscope 60, f/16
Transparency poor with variable milky white high cloud (cirrostratus). Seeing fairly good. Temp +5C, wind SW force 2-3.