There's nothing to apologize for!!! :P We're at least still on topic as far as a desire to see a diverse night sky in many aspects with implications for the lore. And the Titanic story is always a classic, what really sells it is the passion in Tyson's voice when he tells it himself.
An isolated cluster may not be probable (I wouldn't place Hydælyn in a cluster at all, we don't see enough bright nearby stars in the night sky and such a dense stellar environment doesn't bode well for planetary stability), but certainly there are gas-depleted dwarf galaxies out there that aren't much bigger than clusters in terms of total stars but are more spread out, and don't have spiral shapes or any kind of form of extended matter that would lead to a galactic streak of sorts. So if we're hell bent on an explanation without changing the current appearance of the sky, let's go with that.![]()