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Due to the multitude of amateur astronomy media that does recognize and promote the C designations I may or may not use the reference at any future opportunity. Thanks in advance for any necessary flexibility in the matter.

In fact, the C9 designation seems particularly apt to its target mnemonic (C Nine/Cave Nebula). Heck, the thing even looks like a C.


Saber Does The Stars at
www.astronomyblogs.com/member/saberscorpx/

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The letter "C" is used in at least 13 different identifier abbreviations for astronomical objects, although it is most commonly used for the Catalogue of open cluster data, 1st edition, Lynga, Lund Observatory. 1987: Catalogue of Open Cluster Data, 5th edition, Lynga, Lund Observatory.:

http://vizier.u-strasbg.fr/cgi-bin/Dic-Simbad

Amateur astronomy is a hobby that is firmly based on the science of astronomy. Publications intended for amateur consumption are not the source of authority on this issue. The scientific community is. Letter/numbers should not be assigned to objects which are already officially recognized in designations from any of the standard scientific catalogs unless a new catalog is generated from the scientific research of a given scientist or group of scientists. This includes assigning numbers for the list created by Patrick Moore. If one wishes to be understood in amateur astronomy, it would be best if standard terminology is used. Clear skies to you.

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David W. Knisely
Hyde Memorial Observatory
http://www.hydeobservatory.info

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