CzSkY

WDS ID	02507+5554
Common catalogue ID	STF 307
Components	AB
Other Designation	15 eta Per
Position angle	295
Separation	31.4
Mag First	3.76
Mag Second	8.5
Delta mag	4.74
Spectral Type	M3Ib-IIa
Constellation	Perseus
RA	02:50:41.8
Dec	+55:53:43.8