First observation of one noctilucent cloud by a twin lidar in two different directions

• Published in: Annales Geophysicae
• Main Authors: G. Baumgarten, F.-J. Lübken, K. H. Fricke
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2002
• Subjects: Science; Q; Physics; QC1-999; Geophysics. Cosmic physics; QC801-809; Alomar; Norway; Northern Norway
• Online Access: https://doi.org/10.5194/angeo-20-1863-2002; https://doaj.org/article/81ae799641744379871717d0c61d9c4b

In the early morning hours of 14 July 1999, a noctilucent cloud (NLC) was observed simultaneously by the two branches of a twin lidar system located at the ALOMAR observatory in northern Norway (69° N). The telescopes of the two lidars were pointing vertical (L ^ ) and off the zenith by 30° (L 30° )...