Corvus, Crater and Hydra are in the Hercules group.
When I glanced at the first nymph on the left above the pool, my first thought was Cygnus because it's airborne and because you've made me much more aware of arms. Maybe not, but since Cygnus is in the Hercules group, it might be worth checking.
I just remembered, Lupus is also in the Hercules group. A lot of things have been proposed for that curled-up critter (and I like the idea that it might be a golden fleece). It doesn't completely look like a wolf (although it does have paws), but could it be Lupus? If so, what would be between Cygnus and Lupus? Is there a pattern (I don't know my constellations well enough to know without hunting). Anyway, all that is first-impression half-baked musing and may be completely off, but it occurred to me after I read your analysis of the right side and bottom that the Hercules group might continue up the left-hand side.
When I glanced at the first nymph on the left above the pool, my first thought was Cygnus because it's airborne and because you've made me much more aware of arms. Maybe not, but since Cygnus is in the Hercules group, it might be worth checking.
I just remembered, Lupus is also in the Hercules group. A lot of things have been proposed for that curled-up critter (and I like the idea that it might be a golden fleece). It doesn't completely look like a wolf (although it does have paws), but could it be Lupus? If so, what would be between Cygnus and Lupus? Is there a pattern (I don't know my constellations well enough to know without hunting). Anyway, all that is first-impression half-baked musing and may be completely off, but it occurred to me after I read your analysis of the right side and bottom that the Hercules group might continue up the left-hand side.