✦ LIBER ✦

Spörer's Observations on the Sun

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

On the Spörer Minimum

✍ Yaotiao Jiang; Zhentao Xu 📂 Article 📅 1986 🏛 Springer Netherlands 🌐 English ⚖ 167 KB

Observations on the Sun

✍ BROWN, JOHN C. 📂 Article 📅 1973 🏛 Nature Publishing Group 🌐 English ⚖ 246 KB

Spörer’s law and the rhythm of sunspot c

✍ E. M. Roshchina; A. P. Sarychev 📂 Article 📅 2011 🏛 SP MAIK Nauka/Interperiodica 🌐 English ⚖ 211 KB

Aurorae during the so-called Spörer mini

✍ Wilfried Schröder 📂 Article 📅 1994 🏛 Springer 🌐 English ⚖ 245 KB

Observations on the Size of the Sun

📂 Article 📅 1956 🏛 Nature Publishing Group 🌐 English ⚖ 128 KB

Behaviour of auroras during the Spörer m

✍ W. Schröder 📂 Article 📅 1994 🏛 Copernicus Group 🌐 English ⚖ 53 KB