Astrophotography by David Gares

Globular Cluster M30

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M30 is a good example of a globular cluster that has undergone a core collapse, producing a tight concentration of stars.  Though it was discovered by Charles Messier, he could not resolve it into indivdual stars and thought it was a nebula.
 

Globular Cluster M30
(Click image to enlarge)

m30.jpg

 Object Details:  
 
 Type:  Globular star cluster
 Constellation:  Capricorn

 Distance:  26,100 light-years
 Core Diameter:  0.9 light-years
 Tidal Radius:  139 light-years

 Image Details:
  
 Date:  September 6, 2004
 Site:  Harahan, LA
 Exposure:  CCD, 10 x 2 min.
 Filters:  Orion SkyGlow LPR
 Processing:  MSB Astroart 3.0
 Telescope:  10" Meade LX200
 Reducer:  Meade, f/4.3
 CCD:  Starlight Express MX7C
 Autoguider:  S.T.A.R. 2000

For more on globular clusters, see my M13 (Hercules) Globular Cluster page.