Viewing archive of Sunday, 17 March 2002 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
1241 1C1M5.81102

Sunspot regions

Region 9864

Number of
sunspots
Size Class Magn. Class Spot Location
3 50 10 DSO N19W47

Region 9866

Number of
sunspots
Size Class Magn. Class Spot Location
35 9 540 -150 EKI S09W19

Solar flares on this day

C1.86 C2.58

Region 9868

Number of
sunspots
Size Class Magn. Class Spot Location
4 10 -10 CSO N20W32

Region 9870

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 100 10 HSX S20W07

Region 9871

Number of
sunspots
Size Class Magn. Class Spot Location
13 7 280 80 EAO S21E31

Solar flares on this day

C4.43 C6.49 M5.82

Region 9872

Number of
sunspots
Size Class Magn. Class Spot Location
7 1 40 10 DSO S31W05

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-flare2026/04/04M7.6
Last geomagnetic storm2026/04/02Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026141 +55.1
Last 30 days95.4 +31.2

This day in history*

Solar flares
12002M8.82
22026M7.6
31999M6.76
42001M2.91
52003M2.74
DstG
11979-202G3
21988-133G3
31984-120G4
42004-117G2
51994-111G3
*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