Planng a trip up north to witness Northern Lights (Stockholm)

Hej everyone!

I am looking to plan a trip up north of Sweden end of November or early December with the hope of witnessing the heavenly northern lights.

If any of you have planned n been on such a trip earlier, please let me know the details... travel plan, accommodation, best spots to witness the northern lights etc.

Looking forward to hear from u all!

Cheers!