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Photographer:

Eitel Monaco

Email:

monaco.e@pg.com

Location of Photo:

Cinainnati

Date/Time of photo:

august 2011

Equipment:

MEADE RXC 400 16' SBIG ST8 XME

Description:

The Hertzsprung Russell diagram for M13 shows that the stars here have left the main secuence and transormed into red giants, leaving only a few hot blue stars, provinf the age of this object above 10 billion years. Star identification with Astroart 4. Ln Lum vs Ln B/R correlation in XL with Pavone's algorithm.

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