Positive sighting before logging
Thanks for the caveat, Rob K. My usual criterion is three repeats of a sighting on the same night on three different occasions. If possible, on two different scopes, 180mm and 200mm in my case. Many times the 180 won't reveal what the 200 does, even though the 180 has superior optics.
I'm going to start a new thread on the Cloudy Nights DSO forum, 'What confirms a"confirm"?' and watch what turns up.
=Dana
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