BeSS 2019 statistics

Here are the statistics per year, overall - we see that 2019 is a record year (not counting 2007 as those were mainly archives from several years):

Here are BeSS top observers as of 22-june-2020 (note that I'm now over 45000 orders and over 2000 Halpha spectra):

 The trend is up for Halpha orders/spectra (year of acquisition):

 

 Cumulated, ths is more than 21000 high resolution (R>5000) Halpha spectra/orders in BeSS from amateurs:

 Distribution by country still show France and Europe as top ones - more observers around the World are needed.

Details per year/observers:

 

Thanks to Frank Houpert, here are the statistics for BeSS Halpha spectra/orders and observing time for the year of 2019. It is interesting to look at it from total acquisition time perspective:

 

 Observer's location on a global map, from 2018 data, also show uneven distribution: