Viewing archive of Wednesday, 23 September 1998 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxCM
162 80 -1B7.57M9.9632

Sunspot regions

Region 8335

Number of
sunspots
Size Class Magn. Class Spot Location
1 -3 50 HSX S20W68

Region 8336

Number of
sunspots
Size Class Magn. Class Spot Location
13 -6 70 -20 DSO S29W27

Region 8338

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 70 10 HSX N32E05

Region 8339

Number of
sunspots
Size Class Magn. Class Spot Location
10 9 50 ESO S16W25

Region 8340

Number of
sunspots
Size Class Magn. Class Spot Location
28 7 380 -160 DAI N20E11

Solar flares on this day

M9.96 C3.27

Region 8342

Number of
sunspots
Size Class Magn. Class Spot Location
8 -3 70 -30 DAO N18E00

Region 8343

Number of
sunspots
Size Class Magn. Class Spot Location
8 2 20 10 CSO N39E25

Region 8344

Number of
sunspots
Size Class Magn. Class Spot Location
5 10 BXO S20E22

Solar flares on this day

C2.04

All times in UTC

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202688.1 +2.2
Last 30 days93.2 +32.7

This day in history*

Solar flares
12022X1.1
22022M4.4
32002M3.79
42001M1.97
52022M1.89
DstG
11994-201G4
21990-113G2
32002-98G3
41999-91G3
52015-79G1
*since 1994

Aurora on this day in history

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
Submit your aurora observation

Social networks