Mother-of-Pearl and Noctilucent Clouds, Comets and Meteors
From 1926 into the 1940s the network of stations that Størmer established in southern Norway to study the heights and occurrences of aurorae was also used to study other optical phenomenon in the sky. His parallactic method was adapted to calculate the heights of these targets (Fig. 4.1).
- Gadsden and Schrøder, 1989: A secular change in noctilucent cloud occurrence, J. Atm., Terr. Pgys. 52: 247–51.Google Scholar