Annotated image of the pleiades and HST field of view

The brilliant stars seen in this image are members of the popular open star cluster known as the Pleiades, or Seven Sisters. The Hubble Space Telescope's Fine Guidance Sensors refined the distance to the Pleiades at about 440 light-years. The Fine Guidance Sensors are at the periphery of Hubble's field-of-view. They trace a circumference that is approximately the angular size of the Moon on the sky. They are overlaid on this image to give a scale to Hubble's very narrow view on the heavens.


NASA, ESA and AURA/Caltech

About the Image

NASA press release
NASA caption
Release date:1 June 2004, 15:00
Size:800 x 576 px

About the Object

Name:M 45, Messier 45, Pleiades
Type:Milky Way : Star : Grouping : Cluster : Open
Distance:450 light years

Image Formats

Large JPEG
122.4 KB
Screensize JPEG
208.3 KB

Colours & filters

Hubble Space Telescope

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