BT Monocerotis This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "BT_Monocerotis".
BT Monocerotis (Nova Monocerotis 1939) was a nova, which lit up in the constellation Monoceros in 1939. BT Monocerotis reached a brightness of 4.5 mag. Its brightness decreased after the outbreak in 36 days by 3 mag.
