Betelgeuse before and after dimming
This comparison image shows the star Betelgeuse before and after its unprecedented dimming. The observations, taken with the SPHERE instrument on ESO’s Very Large Telescope in January and December 2019, show how much the star has faded and how its apparent shape has changed.
Credit:ESO/M. Montargès et al.
About the Image
| Id: | eso2003c |
| Type: | Collage |
| Release date: | 14 February 2020, 14:00 |
| Related releases: | eso2003 |
| Size: | 1640 x 820 px |
About the Object
| Name: | Betelgeuse |
| Type: | Milky Way : Star : Evolutionary Stage : Red Supergiant |
| Category: | Stars |
Colours & filters
| Band | Wavelength | Telescope |
|---|---|---|
| Optical H-alpha | 645 nm | Very Large Telescope SPHERE |