Hertzsprung Russell Diagram for M13 | Eitel Monaco

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.