Tohban Report 2011-09-21

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Tohban Reports
Start Date: 14 September 2011
End Date: 21 September 2011
Tohban: Pascal Saint-Hilaire
Tohban email:
Next Tohban: Jim McTiernan
List all reports


Solar Activity

Activity level is fairly high. GOES baseline level is ~C1. Largest flare this week was an M1.5. There are a two large active regions on the disc.

How many GOES flares occurred?

 Flares above B, C, M, X class were      1    48     0     0

And how many of these are listed in the RHESSI flare list?

 Flares above B, C, M, X class were      1    33     0     0

And how many had EXCELLENT coverage?

 Flares above B, C, M, X class were      1    19     0     0

There were RHESSI flares/GOES flares 362 / 49 over the time range 13-Sep-11 20-Sep-11

Note that above RHESSI totals do not include data from the last day (including the M flare).

Memory Management

The SSR is at 0% at the end of every pass set. Max is 30%. We're using the Normal/Vigorous decimation scheme We are not taking rear data at night.

Data Gaps

No data gaps of note, except for a small 15-minute gap that occurred during a C1.0 flare on 2011/09/20 17:45 UT. Might be because the data has been fully processed yet...? Pb at Wallops Should fill up.

GOES seem to have 1-2 hour data gaps, every day at ~6 UT (ex: 2011/09/20 ~05:00 UT, right after the impulsive part of an M1 flare). Must be eclipse season. We are near the equinox, where ecliptic is near geostationary plane.

Instrument Status

Instrument apparently all ok.

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