At magnitude 5.4, NGC 6752 in far southern Pavo, is the skies fourth brightest globular cluster. This cluster is just visible to the (good) naked eye from dark skies.
Orion Optics AG12 F3.8
Starlightxpress SXVF-H694, SX USB CFW, SX OAG unit + Atlas Focuser
LRGB = 60min 40min 40min 40min = 3hrs total exposure (bin 1X1)
New Deep-Sky RGB Astronomik filters
-20C chip temp, flats used but no dark frames.
Focal length 1120mm
Image scale 0.84"/pix
Guide Camera: Starlightxpress Lodestar
Comments
Taken in one night, 19 Aug 2017, no moon, average seeing
Equipment setup:
www.pbase.com/strongmanmike2002/sxvrh694_gear