Information Request on the Messier Objects

Following is a list of the most urgently required (or wanted) information on the Messier objects. Although we have usually invested considerable effort of research, we could not find very well confirmed (or no unique) data and informations in these cases. If you have any of the requested information, or some pointer or comment, please notify me.
Hartmut Frommert
Christine Kronberg
[contact]

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Last Modification: February 12, 2002