Professor Danny Steeghs, Department of Physics, University of Warwick, said: "Seeing the alignment will indeed be challenging as it happens around sunrise and it’s all rather low in the East as well. Uranus and Neptune will be faint, so viewers will require good binoculars to see them. Jupiter and even Mercury are very close to the Sun, restricting their view. Mars and Saturn are the more accessible ones to view, you can see them ahead of the other planets rising and a bit higher in the sky. Viewers could set themselves a challenge to try and see as many of them as they can, but this will need a clear, uninterrupted view of the East. Mobile apps provide great guides on where and when to look in the sky."