Seeing this would help...video best, rather than still photos. Probably nothing more than curiosity, sniffing the air, etc. "Stargazing" is generally more than just raised head to sniff the air.
If you see her act as if she is NOT in control, like she cannot keep her balance, or if you turn her upside down & she cannot right herself, that's a whole different thing that may be serious & I'm not talking RI. But what you described sounds OK...at least without seeing what she is doing.