Yu. A. Nagovitsyn

1 ta ish

Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, St Petersburg 196140, Russia

1. The effect of telescope aperture, scattered light and human vision on early measurements of sunspot and group numbers

   Nina Karachik, Alexei Pevtsov, Yu. A. Nagovitsyn

   MaqolaSolar and Space Plasma DynamicsMonthly Notices of the Royal Astronomical Society20191 iqtibos

   ABIABI:AkademIndex/openalex/2026.other.036528