M13

Great Cluster in Hercules

M13

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Object Info

Type

Globular Cluster

Constellation

Hercules

Distance

25,100 ly

Capture Details

Date

July 6, 2013

Location

Palomar Mountain, CA

Exposure

L 4x10 (1x1) , R 3x5, G 3x5, B 3x5 (bin 2x2)

Equipment

Optics

DSI RC10C Corrected RC Astrograph

Focal Length

1867mm @f/7.3

Mount

Astro-Physics 900GTO

Camera

QSI 683wsg-8

Focuser

Built-in Secondary Focuser

Filters

Astrodon Gen 2 LRGB

Software

MaxIm DL, CCDStack, Photoshop