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Here are my observing notes for 7177 NGC entries and an additional 750
IC entries. I began taking notes on the Messier objects with a 6"
reflector in 1978 from northern California and by the end of 1981 was
exploring fainter NGCs with a 13.1" Odyssey I. The vast majority
of these notes, though, were made with a 17.5" homemade dob (1987)
and an 18" Starmaster (2003). Many of the NGCs have multiple observations
taken through one or more of these scopes and historical background information
regarding their identifications.
As far as NGCs north of –40° declination, my notes are complete
except for roughly 100 objects – several of which are Milky Way star
clouds or star asterisms. Observations of deep sky objects south of –45
degrees were generally made in Australia with 18" and 24" scopes
during three week-long observing trips or in Costa Rica with a 13.1"
scope.
Outside of the NGC itself, this is likely the most complete visual resource
of NGC observations available anywhere and all of the entries have been
checked for historical accuracy as part of the NGC/IC Project (http://www.ngcic.org/default.htm).
Steve Gottlieb
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