Zheng Ruimin, Huang Zhen, Bao Xingming. CHROMOSPHERIC OBSERVATION AND PRELIMIN ARYALALYSIS OF ACTIVE REGION AR5629 AT URUMQI ASTRONOMICAL STATION[J]. Astronomical Techniques and Instruments, 1990, (4): 169-170.
Citation:
Zheng Ruimin, Huang Zhen, Bao Xingming. CHROMOSPHERIC OBSERVATION AND PRELIMIN ARYALALYSIS OF ACTIVE REGION AR5629 AT URUMQI ASTRONOMICAL STATION[J]. Astronomical Techniques and Instruments, 1990, (4): 169-170.
Zheng Ruimin, Huang Zhen, Bao Xingming. CHROMOSPHERIC OBSERVATION AND PRELIMIN ARYALALYSIS OF ACTIVE REGION AR5629 AT URUMQI ASTRONOMICAL STATION[J]. Astronomical Techniques and Instruments, 1990, (4): 169-170.
Citation:
Zheng Ruimin, Huang Zhen, Bao Xingming. CHROMOSPHERIC OBSERVATION AND PRELIMIN ARYALALYSIS OF ACTIVE REGION AR5629 AT URUMQI ASTRONOMICAL STATION[J]. Astronomical Techniques and Instruments, 1990, (4): 169-170.
CHROMOSPHERIC OBSERVATION AND PRELIMIN ARYALALYSIS OF ACTIVE REGION AR5629 AT URUMQI ASTRONOMICAL STATION
The active region AR5629 had looked quiet since it appeared from east limb onAug. 4th, there were some faculae aronud sunspot, two long filaments connected with thesunspot. On 9th, the filaments in active region became short and arched, We observedtwo class S flares, one of them(1005 UT) was SF/C3. 2 class.