Viewing archive of Saturday, 28 August 1999 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M | X |
|---|---|---|---|---|---|---|
| 225 31 | 1 1 | C1.71 | X1.61 | 3 | 2 | 1 |
Sunspot regions
Region 8673 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 1 | 440 30 | CHO | S19W24 | |
Region 8674 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 72 19 | 770 330 | FKC | S24W16 | |
Solar flares on this day | ||||
| M4.01 | ||||
Region 8675 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 5 | 80 20 | DAO | N19E40 | |
Region 8676 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 3 | 10 -10 | BXO | N25E34 | |
Solar flares on this day | ||||
| C6.77 C7.31 M1.05 | ||||
Region 8677 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 90 10 | CSO | N07E46 | |
Region 8678 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 10 | BXO | N16W67 | |
Region 8679 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 50 | CAO | S31E44 | |
Region 8680 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 | AXX | N22W87 | |
All times in UTC
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Filaments and prominences 486Do the high-resolution sunspot counts point to more complex sunspots? 61AR4366 1020Yes, we really went to the moon before. 1Unexplained proton activity 111
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| Spotless days | |
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