|Distance from Earth||：||4900 Light years|
|Detail||：||The source of the radiation causing this nebula to glow is a protostar located within the nebula. This protostar's light output varies over time, which causes a change in the brightness of the nebula over time as well.
Constellations : Monoceros
Images from Science Instruments
NGC 2261 :Hubble Variable Nebula (Emission Nebula)
June 29, 2003
Last updated: February 25, 2021