Celestial hemisphere:  Northern  ·  Constellation: Serpens (Ser)  ·  Contains:  M 5  ·  NGC 5904
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MESSIER 5 – GLOBULAR CLUSTER IN SERPENS CAPUT - 202304 RGB, Massimo Marchini
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MESSIER 5 – GLOBULAR CLUSTER IN SERPENS CAPUT - 202304 RGB

Link to TIFF/FITS: https://flic.kr/p/2ovbprY
Getting plate-solving status, please wait...
MESSIER 5 – GLOBULAR CLUSTER IN SERPENS CAPUT - 202304 RGB, Massimo Marchini
Powered byPixInsight

MESSIER 5 – GLOBULAR CLUSTER IN SERPENS CAPUT - 202304 RGB

Link to TIFF/FITS: https://flic.kr/p/2ovbprY

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Description

This is my first astronomic picture in the final asset of my home urban observatory. I will post some pictures as soon as possible about it. It's also the first image using my one-shot SRL camera on my VISAC.

The globular clusters are spheroidal conglomerations of stars, which are bound together by gravity. The formation of globular clusters is poorly understood. They are mostly found in the out outer spheroidal part of the spiral galaxies – the galactic halo -, but they are found in nearly all galaxies. 
Messier 5 (M5; also, NGC 5904 or Rose Cluster) is a Globular cluster of stars in the constellation Serpens Caput. 
Its diameter is about 130 light-years, so M5 is believed to be one of the widest globular clusters orbiting around the Milky Way. 
Messier 5 lies about 25.000 light-years away from Earth and its age is estimated between 10 and 13 billion years; it makes M5 one of the oldest globular clusters in the Milky Way. It was believed to contain only old low-mass stars, but bright blue stars are also visible amongst the red and yellow stars near the nucleus - probably blue stragglers created either by collisions between stars or other stellar interactions.

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