| 5|| Monoceros|
| 20 Monocerotis, 18 Monocerotis|19 Monocerotis Wikipedia
19 Monocerotis is a class B1V (blue main-sequence) star in the constellation Monoceros. Its apparent magnitude is 5.00 and it is approximately 1220 light years away based on parallax.
It is a Beta Cephei variable, ranging from 5.01 to 4.96 magnitude with a period of 0.19 days.