Variable nebula

A Hubble Space Telescope image of NGC 2261, a classic example of a variable nebula.

Variable nebulae are reflection nebulae that change in brightness because of changes in their star.

v t e Nebula
List
Visible nebula	Dark nebula Diffuse nebula Emission nebula Planetary nebula Supernova remnant Nova remnant H II region Reflection nebula Variable nebula Preplanetary nebula
Pre-stellar nebula	Giant molecular cloud Bok globule Evaporating gaseous globule Solar nebula
Stellar nebula	Nova remnant Protoplanetary nebula Wolf–Rayet nebula
Post-stellar nebula	Planetary nebula Supernova remnant Pulsar wind nebula Supershell
Clouds	Interstellar cloud Infrared cirrus High-velocity cloud H I region
Morphology	Bipolar nebula Pinwheel nebula
Lists	List Diffuse Planetary (PNe) Protoplanetary (PPNe) Supernova renmants (SNRs)
Category Commons Wiktionary

See also