Star Clusters
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M4, NGC 6121. The Cat's Eye Globular Cluster in Scorpius
Orientation: Ø35', m5.4, RA 16h23.6m, Dec -26°31'
Image Scale: 1.2 arc sec/pixel
Exposure: Lum 6 x 300", Bin 1x1
Telescope: Meade 10" LX-200 SCT @ f/6.3 (fl=1575mm)
Camera: SBIG ST-8 non-E ABG
Mount: Paramount ME on ATS Portable Pier
Location: Arafura Skies Observatory, Darwin, NT on 14 Aug 2004
Notes: M4 is the closest globular cluster at 7,200 ly.
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