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Sorry to resurrect an old thread, but I was looking for posts on Jabbah and for some reason this post on NGC 1851 came up. My notes from Feb this year, taken under Bortle 2 skies with a 20" dob, make the following observation: "Lovely moderate size very bright globular cluster with a dense mottled core." I certainly didn't see any mist of note, but my eyes probably aren't what they once were, either.
On to Jabbah (Nu Scorpii, southern double double). Saw this for the first time last night - what a super little pair of pairs! With my 8" dob under Bortle 5 skies, the dimmer pair was an easy split at about 150x, whereas the brighter pair required up to 350x and were still more of a figure 8 than showing an actual separation. I can't imagine how rewarding it would be to be splitting super tight doubles out in the Atacama Desert or somewhere with similar great seeing conditions - Brisbane usually sucks the big one in that regard.
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