Polar Faculae Observed at NAOJ : 1951-1998

Polar faculae have been recorded on the sunspot sketches
made with the Zeiss 20cm refractor at Mitaka. 
The following files contain monthly-averaged daily polar faculae
counts in the following latitude zones.
     n50-60.txt : north 50-60 deg
     n60-70.txt : north 60-70 deg
     n70-90.txt : north 70-90 deg
     s50-60.txt : south 50-60 deg
     s60-70.txt : south 60-70 deg
     s70-90.txt : south 70-90 deg
The files '*r.txt' (e.g. n50-60r.txt) contain 13 months running averages.
Twelve vertical columns are from January(1) to December(12).
The thirteenth columns in the *.dat files represent yearly averages.
Rows run from 1951 to 1998.

ref. Irie et al., Rep. NAOJ, 2, 403, 1993 (in Japanese)