Tripod. Long exposure and keep ISO lowish. You may need to manually focus as there won’t be a clear object to focus on. Shoot RAW and you can tweak the image b

Tripod. Long exposure and keep ISO lowish. You may need to manually focus as there won’t be a clear object to focus on. Shoot RAW and you can tweak the image better to pull down the brightness of the sky to help the colours stand out.