|
Sunspot numbers derived
from individual drawings are shown below in the form of a
colour table from blue through to red via green and
yellow. A sunspot number of 0 is
Last updated on 22 December 2002. |
|
Sunspot numbers derived
from individual drawings are shown below in the form of a
colour table from blue through to red via green and
yellow. A sunspot number of 0 is
Last updated on 22 December 2002. |
, a
sunspot number of 50 is 
, a sunspot number of 100 is 
, a
sunspot number of 150 is 
while a sunspot number of 200 or
more is 
. The numbers are given for each solar
rotation so that active longitudes can be identified.
Dates can be seen by placing the mouse icon over each
coloured square.
