We have just booked another cruise (you lovely lot have a lot to answer for) travelling on QV in November chasing the Northern lights. Looking for night tour recommendations.  I realise Cunard organise one but are there smaller group options available. Would love to hear your opinions/reviews. Also any other top tips ? For example keeping warm during those chilly evenings on deck - I’m considering a hot water bottle 😁. Thank you in advance 😊