13 using an 8" f/2 RASA astrograph for a 6-minute exposure. "A very deep shot of comet TA in a blue moon twilight which clearly shows the spike -like anti-tail and multiple rays in its ghostly ...

Earth is about to have a close encounter with a comet, possibly passing through its ion tail – a rare occurrence. If we are lucky, it could show up as a blue streak in the northern hemisphere ...

According to the ESA, our blue comet shard met its fiery end 60 kilometres above the Atlantic Ocean, disintegrating entirely before reaching the ground. Early detection of such objects is key to ...