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

See also

• McNeil's Nebula

• NGC 1555 (Hind's Variable Nebula)

• NGC 2261 (Hubble's Variable Nebula)

• NGC 6729 (R Coronae Australis Nebula)

References

External links

• Astrobiscuit: Seeing The Speed Of Light fun and educational video about variable nebula and the amateur community observing them