Bob's AstroGallery

M 12

by on Jul.24, 2012, under Messier Objects, NGC Objects

A.k.a. NGC 6218
Type: Globular Cluster
Distance from earth: Approx. 15.700 ly
Constellation: Ophiuchus
Telescope: Robtics 115mm triplet apo @ F/6.9
Camera: Atik 383L+ monochrome
Exposure: 10x 300s + 1x dark pixel map
Filters: Hutech IDAS LPS-P2
Additional accessories: Robtics field flattener, Starlight Xpress USB filter wheel

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