-class explorer (NCC-1197) of 2206 was the first Starfleet ship designed for long-range scientific missions in uncharted space. Although dismissed at the time as an idealistic extravagance, it was a forerunner of all future ships of exploration launched by Starfleet.' - from the Starfleet Museum databanks.
A beauty shot of the USS Beagle NCC-1202
Model by myself (still a WIP) from a design by Dan Carlson, Masao Okazaki, and Allen Rolfes.
Background by The Creator of All Things
Thanks for looking.