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

Image Formats

Large JPEG
74.5 KB
Screensize JPEG
44.9 KB

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Colours & filters

BandWavelengthTelescope
Optical
H-alpha
645 nmVery Large Telescope
SPHERE

 

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