Visibility of comets during their outbursts and the night sky light pollution-Use the Bortle scale
Gronkowski, P., Tralle, I., Wesołowski, M.Language:
english
Journal:
Astronomische Nachrichten
DOI:
10.1002/asna.201713387
Date:
December, 2017
File:
PDF, 890 KB
english, 2017