Celestial coordinates

Below you will find suggestions of standard stars that can be adopted for both telluric and continuum correction for the observations of $\eta$ Car.

star $\alpha$ (J2000) $\delta$ (J2000)
${\rm \eta}$ Car 10 45 03.591 -59 41 04.26
star Spectral type $\alpha$ (J2000) $\delta$ (J2000) Notes
HD 93030 (${\rm \theta}$ Car) B0 V 10 42 57.402 -64 23 40.02
HD 108248 (${\rm \alpha}$1 Cru) B0.5 IV 12 26 35.871 -63 05 56.58 Same airmass 1.5 h after ${\rm \eta}$ Car
HD 89080 (${\rm \omega}$ Car) B8 III 10 13 44.217 -70 02 16.46 No He II ${\rm \lambda}$4686