發布時間: 2014 Sep 29 1229 UTC
Active (M-class flares expected, probability >=50%)
Quiet (A<20 and K<4)
Warning condition (activity levels expected to increase, but no numeric forecast given)
| 10公分通量 | Ap | |
|---|---|---|
| 29 Sep 2014 | 183 | 005 |
| 30 Sep 2014 | 185 | 005 |
| 01 Oct 2014 | 187 | 005 |
There are currently 8 sunspot regions visible on the solar disk. NOAA 2173 produced a long-duration M1.0 flare (peaking at 17:33UT) and 2 C-class flares. The CME related to the M1.0 flare was fairly narrow and directed to the southwest (away from Earth). Small sunspot region NOAA 2176 produced a C2 flare peaking at 03:51UT, and NOAA 2177 produced a C5.4 flare peaking at 05:54UT. The two most prominent regions, NOAA 2172 and compact NOAA 2175, remained quiet. Small delta structures are present in NOAA 2175 and NOAA 2177. Two 20-degrees long filaments are visible in the western solar hemisphere. Further M-class flaring is possible. Solar wind speed gradually slowed down from about 440 to 360 km/s. Bz oscillated between -5 and +4 nT. Geomagnetic conditions were quiet to unsettled and are expected to remain so.
今日估計的國際太陽黑子數(ISN):126,基於11個觀測站。
| 卡塔尼亞沃爾夫數 | /// |
| 10厘米太陽通量 | 181 |
| AK Chambon La Forêt | 014 |
| AK Wingst | 011 |
| 估計地磁Ap指數 | 010 |
| 估計國際太陽黑子數 | 134 - 基於19個觀測站 |
| 日 | 開始 | 最大值 | 結束 | 位置 | 強度 | OP | 10cm | 卡塔尼亞天體物理觀測站/美國國家海洋暨大氣管理局 | 電波爆發類型 |
|---|
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