M13

Great Cluster in Hercules

M13

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Object Info

Type

Globular Cluster

Constellation

Hercules

Distance

25,100 ly

Capture Details

Date

May 27, 2011

Location

Carlsbad, CA

Exposure

L 6x5 (1x1) , R 3x3, G 3x3, B 3x3 (bin 2x2)

Equipment

Optics

Celestron C11 Carbon Fiber SCT w/XLT

Focal Length

1700mm @f/6

Mount

Astro-Physics 900GTO

Camera

SBIG ST-10XME

Focuser

Robo-Focus

Filters

CFW10A, Astrodon LRGB

Software

Maxim DL, CCDStack, Photoshop