SOME constellations force you to look at them. Their brightest stars are so clear, even in a night sky full of light pollution, that they draw you in. Others sit there quietly, waiting for you to find them.
This week, we are looking for one of the latter. Cancer is a humble constellation, nestled in between its louder neighbours Gemini and Leo. Without any particularly bright stars of its own, Cancer is the faintest of all the zodiacal constellations, which makes it tricky to find. But once you have spotted it, there will be something beautiful waiting for you: …