M3

M3 Cluster

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Object Info

Type

Globular Cluster

Constellation

Canes Venatici

Distance

33,900 ly

Capture Details

Date

April 15, 2005

Location

Carlsbad, CA

Exposure

Lum 20x10 (bin 1x1)

Equipment

Optics

Celestron C11 Carbon Fiber SCT w/XLT

Focal Length

1764mm @f/6.3

Mount

Celestron CGE

Camera

SBIG ST-2000XM

Focuser

Optec TCF-S

Filters

CFW8A, Astrodon LRGB

Software

CCDSoft, Photoshop