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The Sunspot Observer - The solar regions - The description of the solar regions

Statistics of sunspot activity

NOAA 09400 - NOAA 09499
The description of the solar regions

NOAA 09400The insignificant bipolar sunspots were observed at the tenth parallel of the Northern hemisphere since 24.03 to 29.03.01.
 
NOAA 09401The developing bipolar chain adjoined to the giant region 09393 from the East. The group was observed since 24.03 to 5.04.01. The mors developed sunspots was settled in the tail group's part. From time to time the total chain's area exceeded 250 m.s.h., and it was counted 25-30 sunspots in the group.
 
NOAA 09402The fine bipolar sunspots were noticed hardly to the South from the giant region 9393 since 22.03 to 31.03.01.
 
NOAA 09403The bipolar pores were marked at the mid latitudes of the Southern hemisphere since 26.03 to 1.04.01, in the Eastern part of the Sun disc.
 
NOAA 09404The perceptible sunspot with penumbra crossed the Sun disc since 26.03 to 6.04.01 along the low latitudes of the Southern hemisphere. Neighbouring the central meridian the sunspot had suddenly crumbled into more fine sunspots. In the first days the total sunspot's area reached 100 m.s.h.
 
NOAA 09405The triangle combination of small sunspots was slowly decaying at the mid latitudes of the Southern hemisphere since 22.03 to 30.03.01. In the first days the total bipole's area exceeded 200 m.s.h.
 
NOAA 09406The big sunspot with oblong penumbra crossed the Sun disc since 28.03 to 9.04.01 along the 25th parallel of the Northern hemisphere. The total sunspot's area reached 250 m.s.h.
 
NOAA 09407The perceptible sunspot with symmetrical penumbra crossed the Sun disc since 28.03 to 9.04.01 along the tenth parallel of the Northern hemisphere. From time to time pores of opposite magnetic polarity were observed neighbouring the sunspot. The total sunspot's area reached 100 m.s.h.
 
NOAA 09408The perceptible bipolar chain crossed the Sun disc since 28.03 to 6.04.01 along the low latitudes of the Southern hemisphere. The bipole consisted of the head sunspot with oblong penumbra and the long string of fine sunspots and pores. From time to time the total region's area reached 400 m.s.h., and it was counted 30-35 sunspots in the group.
 
NOAA 09410The high latitudes pores were noticed at the 36th parallel of the Southern hemisphere since 28.03 to 1.04.01, in the Eastern part of the Sun disc.
 
NOAA 09411The recurrent pores were observed at the low latitudes of the Northern hemisphere since 30.03 to 5.04.01.
 
NOAA 09412The fine sunspots were marked at the mid latitudes of the Southern hemisphere since 30.03 to 6.04.01, in the Eastern part of the Sun disc.
 
NOAA 09413The small bipolar group was observed at the tenth parallel of the Northern hemisphere since 1.04 to 6.04.01, in the Western part of the Sun disc. The total region's area exceeded 100 m.s.h.
 
NOAA 09414The single pore was noticed at the high latitudes of the Southern hemisphere since 1.04 to 5.04.01, in the Eastern part of the Sun disc.
 
NOAA 09415The big bipolar group crossed the Sun disc since 3.04 to 16.04.01 along the high latitudes of the Southern hemisphere. The head and tail sunspots had powerful penumbraes. From time to time the total region's area exceeded 1000 m.s.h., and it was counted 30-35 sunspots in the group. The tail sunspots were gradually decaying.
 
NOAA 09416The fine bipolar group was marked at the mid latitudes of the N orthern hemisphere since 3.04 to 5.04.01, to the West from the central meridian.
 
NOAA 09417The fast development of the bipolar region was observed at the low latitudes of the Southern hemisphere since 3.04 to 14.04.01. The maximal total bipole's area reached 300 m.s.h., and it was counted 20-25 sunspots in the group.
 
NOAA 09418The perceptible bipolar group crossed the Sun disc since 4.04 to 16.04.01 along the 26th parallel of the Northern hemisphere. The bipole consisted of the perceptible head sunspot with stable penumbra and fine tail sunspots. The total region's area reached 250 m.s.h.
 
NOAA 09419The fine bipolar sunspots were noticed at the low latitudes of the Northern hemisphere since 3.04 to 10.04.01.
 
NOAA 09420The small sunspot with symmetrical penumbra crossed the Sun disc since 5.04 to 17.04.01 along the low latitudes of the Southern hemisphere. From time to time pores of opposite magnetic polarity were observed neighbouring the sunspot.
 
NOAA 09421The fine sunspots were observed at the mid latitudes of the Southern hemisphere since 7.04 to 9.04.01, in the Western part of the Sun disc.
 
NOAA 09422The fine sunspots were marked at the mid latitudes of the Southern hemisphere since 7.04 to 17.04.01.
 
NOAA 09423The bipolar pores were observed since 8.04 to 12.04.01 to the South-West from the region 09418.
 
NOAA 09424The fine bipolar group was noticed since 8.04 to 17.04.01 to the South from the region 09420.
 
NOAA 09425The fine bipolar sunspots were marked to the West from the big region 09415 since 4.04 to 11.04.01.
 
NOAA 09426The small bipolar group was noticed at the low latitudes of the Southern hemisphere since 11.04 to 18.04.01. The head sunspot had symmetrical penumbra.
 
NOAA 09427The small bipolar sunspots were observed since 11.04 to 16.04.01 to the West from the region 09420.
 
NOAA 09428The bipolar one-day pores were noticed at the mid latitudes of the Northern hemisphere on 14.04.01, in the Western part of the Sun disc.
 
NOAA 09429The small sunspot with symmetrical penumbra crossed the Sun disc since 13.04 to 25.04.01 along the low latitudes of the Northern hemisphere. In the first days the total sunspot's area exceeded 100 m.s.h.
 
NOAA 09430The short-time bipolar sunspots were noticed at the mid latitudes of the Southern hemisphere since 16.04 to 18.04.01, in the Western part of the Sun disc.
 
NOAA 09431The fine sunspots crossed the Sun disc since 16.04 to 27.04.01 along the tenth parallel of the Southern hemisphere.
 
NOAA 09432The small bipolar group was observed at the low latitudes of the Northern hemisphere since 17.04 to 26.04.01. The head sunspot had symmetrical penumbra. From time to time the total bipole's area reached 100 m.s.h.
 
NOAA 09433The long multipolar group crossed the Sun disc since 18.04 to 2.05.01 along the mid latitudes of the Northern hemisphere. The head group's part consisted of two big sunspots with penumbraes and many fine sunspots neighbouring its. The tail part was presented by the big sunspot with penumbra, and the long and solid chain of small sunspots and pores adjoined it from the South. The chain was gradually curving and crumbling. Neighbouring the central meridian the total region's area exceeded 1100 m.s.h., it was counted more 60 sunspots in the group, and longitude's lenght of the multipole exceeded 25 degrees.
 
NOAA 09434The small bipolar sunspots were marked at the high latitudes of the Northern hemisphere since 18.04 to 22.04.01. The head sunspot had symmetrical penumbra.
 
NOAA 09435The bipolar combination of two perceptible sunspots with symmetrical penumbraes was observed at the high latitudes of the Southern hemisphere since 19.04 to 28.04.01. The total bipole's area reached 200 m.s.h.
 
NOAA 09436The perceptible sunspot with symmetrical penumbra crossed the Sun disc since 21.04 to 4.05.01 along the tenth parallel of the Southern hemisphere. From time to time pores of opposite magnetic polarity were observed neighbouring the sunspot. The total sunspot's area reached 200 m.s.h.
 
NOAA 09437The fine sunspot with symmetrical penumbra crossed the Sun disc since 21.04 to 30.04.01 along the tenth parallel of the Northern hemisphere. From time to time pores of opposite magnetic polarity were observed neighbouring the sunspot.
 
NOAA 09438The recurrent pore was observed at the mid latitudes of the Southern hemisphere since 24.04 to 28.04.01.
 
NOAA 09439The small bipolar sunspots were noticed at the high latitudes of the Southern hemisphere since 25.04 to 28.04.01, in the Western part of the Sun disc.
 
NOAA 09440The fine bipolar sunspots were marked since 26.04 to 29.04.01 in the central part of the Sun disc.
 
NOAA 09441The big bipolar group crossed the Sun disc since 26.04 to 6.05.01 along the low latitudes of the Northern hemisphere. The bipole consisted of the big head sunspot with penumbra and many fine sunspots in the tail group's part. The total region's area reached 300 m.s.h., and it was counted 25-30 sunspots in the group.
 
NOAA 09442The small sunspot with symmetrical penumbra crossed the Sun disc since 25.04 to 6.05.01 along 27th parallel of the Northern hemisphere.
 
NOAA 09444The insignificant bipolar sunspots were observed at the tenth parallel of the Southern hemisphere since 28.04 to 4.05.01, in the Eastern part of the Sun disc.
 
NOAA 09445The long chain of decaying sunspots crossed the Sun disc since 28.04 to 10.05.01 along the 25th parallel of the Northern hemisphere. From time to time the total region's area reached 450 m.s.h., and it was counted more thirty sunspots in the group.
 
NOAA 09446The fine sunspots were noticed at the low latitudes of the Southern hemisphere since 29.04 to 3.05.01, in the Western part of the Sun disc.
 
NOAA 09447The quick-growing sunspot's chain was observed at the mid latitudes of the Northern hemisphere since 29.04 to 7.05.01. The bipole consisted of the head sunspot with developed penumbra and string of many sunspots and pores. Before set for the limb the total region's area exceeded 250 m.s.h.
 
NOAA 09448The perceptible sunspot with symmetrical penumbra crossed the Sun disc since 1.05 to 13.05.01 along the high latitudes of the Northern hemisphere. From time to time pores of opposite magnetic polarity appeared neighbouring the sunspot. The total sunspot's area reached 150 m.s.h.
 
NOAA 09449The small sunspot with penumbra crossed the Sun disc since 2.05 to 12.05.01 along the mid latitudes of the Southern hemisphere. In the first days the total sunspot's area reached 100 m.s.h.
 
NOAA 09450The insignificant sunspots were observed at the Sun equator since 2.05 to 9.05.01.
 
NOAA 09451The perceptible sunspot with penumbra crossed the Sun disc since 4.05 to 17.05.01 along the high latitudes of the Southern hemisphere. From time to time pores of opposite magnetic polarity appeared neighbouring the sunspot. The total sunspot's area reached 200 m.s.h.
 
NOAA 09452The insignificant pores were observed at the tenth parallel of the Southern hemisphere since 7.05 to 15.05.01, in the Eastern part of the Sun disc.
 
NOAA 09453The short-time sunspots were noticed on 9.05 and 10.05.01 hardly to the North-West from the region 09449.
 
NOAA 09454The decaying bipolar group crossed the Sun disc since 10.05 to 20.05.01 along the mid latitudes of the Northern hemisphere. The bipole consisted of the perceptible head and tail sunspots, and fine sunspots between its. From time to time the total region's area exceeded 400 m.s.h., and it was counted more twenty sunspots in the group.
 
NOAA 09455The curved chain of small sunspots with developed penumbraes was observed at the mid latitudes of the Southern hemisphere since 10.05 to 19.05.01. The total region's area reached 250 m.s.h., and it was counted 20-25 sunspots in the group.
 
NOAA 09456The small bipolar group was observed at the low latitudes of the Northern hemisphere since 11.05 to 17.05.01, in the Western part of the Sun disc. From time to time the total bipole's area exceeded 100 m.s.h.
 
NOAA 09457The short-time sunspots were noticed on 13.05 and 14.05.01 to the East from the region 09455.
 
NOAA 09458The fine bipolar sunspots were observed since 14.05 to 17.05.01 to the North-West from the region 09455.
 
NOAA 09459The recurrent bipolar sunspots were marked to the North-West from the region 09454 since 14.05 to 18.05.01.
 
NOAA 09460The short-time pore was noticed at the high latitudes of the Southern hemisphere on 14.05 and 15.05.01, near the Eastern limb.
 
NOAA 09461The perceptible bipolar group crossed the Sun disc since 15.05 to 27.05.01 along the high latitudes of the Northern hemisphere. The bipole was oriented along a meridian. In the first days the total region's area reached 200 m.s.h. The group was gradually decaying.
 
NOAA 09462The small sunspot with symmetrical penumbra was marked to the North-West from the big region 09462 since 17.05 to 29.05.01. From time to time the total sunspot's area reached 100 m.s.h.
 
NOAA 09463The fast development of the big bipolar region was observed at the low latitudes of the Northern hemisphere since 18.05 to 29.05.01. The bipole consisted of the large head sunspot with penumbra and the rapid developing string of many small sunspots and pores. Neighbouring the central meridian the total region's area exceeded 700 m.s.h., and it was counted more thirty sunspots in the group. After intersection of the central meridian the sunspot's string began rapidly decay.
 
NOAA 09464The insignificant bipolar sunspots crossed the Sun disc since 19.05 to 29.05.01 along the low latitudes of the Southern hemisphere.
 
NOAA 09465The fine bipolar sunspots were observed since 20.05 to 28.05.01 between the regions 09464 and 09467.
 
NOAA 09466The fine sunspots were noticed to the North from the regions 19.05 to 26.05.01.
 
NOAA 09467The small sunspot with symmetrical penumbra crossed the Sun disc since 20.05 to 31.05.01 along the low latitudes of the Southern hemisphere. From time to time the total sunspot's area reached 100 m.s.h.
 
NOAA 09468The spreading bipolar group crossed the Sun disc since 21.05 to 1.06.01 along the low latitudes of the Northern hemisphere. In the first days the total region's area reached 200 m.s.h., and it was counted 20-25 sunspots in the group. After intersection of the central meridian the bipole began decay.
 
NOAA 09469The fine sunspots were noticed on 22.05 and 23.05.01 at the Western limb.
 
NOAA 09470The short-time pores were observed at the mid latitudes of the Southern hemisphere on 22.05 and 23.05.01, in the Western part of the Sun disc.
 
NOAA 09471The short-time pores were noticed at the mid latitudes of the Southern hemisphere on 23.05 and 24.05.01, neighbouring the central meridian.
 
NOAA 09472The fine sunspot with symmetrical penumbra was observed at the mid latitudes of the Northern hemisphere since 22.05 to 31.05.01.
 
NOAA 09473The short-time pores were marked on 26.05 and 27.05.01 in the central part of the Sun disc.
 
NOAA 09474The fine bipolar group was noticed to the West from the region 09475 since 25.05 to 3.06.01.
 
NOAA 09475The crumbled chain of small sunspots crossed the Sun disc since 26.05 to 7.06.01 along the mid latitudes of the Northern hemisphere. The most developed tail sunspot displayed recurrent activity. After the chain's decay many fine sunspots and pores began appeared neighbouring the sunspot. From time to time the total region's area reached 200 m.s.h.
 
NOAA 09476The fine sunspots were noticed of the Southern hemisphere since 26.05 to 28.05.01, near the Western limb.
 
NOAA 09477The insignificant sunspots were observed at the mid latitudes of the Southern hemisphere since 27.05 to 3.06.01.
 
NOAA 09478The bipolar pores were observed at the mid latitudes of the Northern hemisphere since 27.05 to 29.05.01, in the Eastern part of the Sun disc.
 
NOAA 09479The short-time sunspots were noticed at the 25th parallel of the Northern hemisphere on 28.05 and 29.05.01, in the Western part of the Sun disc.
 
NOAA 09480The short-time pore was marked at the mid latitudes of the Southern hemisphere on 28.05 and 29.05.01, in the Eastern part of the Sun disc.
 
NOAA 09481The fine sunspots were noticed at the mid latitudes of the Northern hemisphere since 27.05 to 1.06.01, in the Western part of the Sun disc.
 
NOAA 09482The insignificant sunspots were observed at the mid latitudes of the Southern hemisphere since 30.05 to 4.06.01, in the Eastern part of the Sun disc.
 
NOAA 09483The small bipolar sunspots were marked since 1.06 to 3.06.01 not far from the Western limb.
 
NOAA 09484The fast development of the bipolar region took a place at the low latitudes of the Southern hemisphere since 1.06 to 10.06.01. The group consisted of three active centers. The stable head sunspot with penumbra was gradually assuming symmetrical form, and rest sunspots began decay after short development. The maximal total bipole's area reached 400 m.s.h., and it was counted 20-25 sunspots in the group.
 
NOAA 09485The fine sunspots were noticed since 1.06 to 5.06.01 to the West from the region 09488.
 
NOAA 09486The fast development of the bipolar region took a place at the 28th parallel of the Northern hemisphere since 1.06 to 8.06.01, in the Western part of the Sun disc. In the evolution's peak the total group's area reached 200 m.s.h.
 
NOAA 09487The big sunspot with asymmetrical penumbra was slowly crumbling at the high latitudes of the Northern hemisphere since 2.06 to 15.06.01. From time to time the total region's area reached 400 m.s.h.
 
NOAA 09488The solid and slowly crumbled chain of small sunspots with developed penumbraes crossed the Sun disc since 3.06 to 14.06.01 along the high latitudes of the Southern hemisphere. In the first days the total region's area reached 400 m.s.h., and neighbouring the central meridian it was counted more twenty sunspots in the group.
 
NOAA 09489The fast development of the bipolar region was observed at the mid latitudes of the Northern hemisphere since 4.06 to 15.06.01. The bipole consisted of the slowly growing head sunspot with asymmetrical penumbra and many fine sunspots and pores which appeared and disappeared behind the sunspot. In the evolution's peak the total region's area exceeded 200 m.s.h., and it was counted 35-40 sunspots in the group.
 
NOAA 09490The short-time pore was noticed since 4.06 to 6.06 not far from the Eastern limb.
 
NOAA 09491The perceptible sunspot with symmetrical penumbra crossed the Sun disc since 5.06 to 18.06.01 along the 25th parallel of the Northern hemisphere. From time to time pores of opposite magnetic polarity were observed neighbouring the sunspot. The total sunspot's area exceeded 150 m.s.h.
 
NOAA 09492The perceptible bipolar group was observed since 6.06 to 17.06 hardly to the South from the sunspot 09491. The bipole consisted of the duplex head sunspots with developed penumbraes and fine tail sunspots. In the first days the total region's area reached 300 m.s.h.
 
NOAA 09493The unstable bipolar configuration crossed the Sun disc since 6.06 to 18.06.01 along the low latitudes of the Northern hemisphere. The bipole consisted of the head sunspot with symmetrical penumbra and fine tail sunspots which were parted by considerable longitude's distance. From time to time the total region's area reached 200 m.s.h.
 
NOAA 09494The quick-growing bipolar group was marked at the low latitudes of the Southern hemisphere since 6.06 to 13.06.01, in the Western part of the Sun disc. The head sunspot with developed penumbra had bifurcated. The tail sunspots made composite figure. From time to time the total region's area reached 500 m.s.h.
 
NOAA 09495The eruptive group crossed the Sun disc since 7.06 to 17.06.01 along the low latitudes of the Northern hemisphere. Before set for the limb the bipole began suddenly extend, and the total area reached 250 m.s.h.
 
NOAA 09496The short-time bipolar sunspots were noticed at the low latitudes of the Northern hemisphere since 8.06 to 11.06.01, in the Western part of the Sun disc.
 
NOAA 09497The insignificant bipolar formation was settled at the tenth parallel of the Southern hemisphere since 9.06 to 17.06.01.
 
NOAA 09498The fine bipolar group crossed the Sun disc since 10.06 to 20.06.01 along the 24th parallel of the Northern hemisphere.
 
NOAA 09499The small bipolar group was observed at the mid latitudes of the Northern hemisphere since 9.06 to 18.06.01. The region consisted of the head sunspot with symmetrical penumbra and unstable tail sunspots.
 












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