Adjective : a northern constellation.    From Dictionary.com. 

I loved them for many reasons – for their melodies, of course, and for their humour and their wit, and for their northernness.    From Wordnik.com.  [Hail, Hail Rock'n'Roll] Reference

True to my roots, I pronounce bath with the TRAP vowel as John Wells says in Accents of English, it would seem a denial of my northernness to change this.    From Wordnik.com.  [Olivia O’Leary | Linguism | Language Blog] Reference

It leads back, for example, to ideas about the nature of northernness, to the Idea of North.    From Wordnik.com.  [The Globe and Mail - Home RSS feed] Reference

But Hockney, to whom success came early, swiftly became the nice gay-boy-next-door, with his bleached thatch and owlish glasses; his down-to-earth northernness undoubtedly helped.    From Wordnik.com.  [The Guardian World News] Reference