Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  NGC 752  ·  The star 56And
NGC 752 Exceptionally old open cluster in Andromeda, Ray Caro
NGC 752 Exceptionally old open cluster in Andromeda
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NGC 752 Exceptionally old open cluster in Andromeda

NGC 752 Exceptionally old open cluster in Andromeda, Ray Caro
NGC 752 Exceptionally old open cluster in Andromeda
Powered byPixInsight

NGC 752 Exceptionally old open cluster in Andromeda

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Description

In processing the image, I was surprised not to find blue stars. After research, I realized that this open cluster is exceptionally old, two billion years, and that the most massive of this type of stars started their end of life by turning into white dwarfs or neutron stars.

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NGC 752 Exceptionally old open cluster in Andromeda, Ray Caro

In these collections

Andromeda / Andromède