(smoothing with running average with 27-days long window)
Relative number as a text file
Format: TBD
Number of used individual observations: 251334
Number of considered observers: 919
Number of days with at least one observation: 33448
Number of evaluated days: 32941
Percentage of days that could not be used: 1.5%
Page location subject to change!
All preliminary, this is a testing product!
Input data largely incomplete!
Reference paper: preprint
Code: Sunspot number v0.3
Code execution 2026-09-11 06:24:52.352886 UTC
Code execution took 75772.0 seconds
Contact: Michal Svanda, svanda@asu.cas.cz