What do you mean by tube constellation?

Is the constellation with you 180 degrees. It's the constellation opposite your constellation. There are 12 constellations, and each constellation is 30 degrees apart. Just like a clock, see if your clock has the number 12, where 12 corresponds to 6 o'clock, 3 o'clock corresponds to 9 o'clock, and that 180 degree corresponds. Aries is at 1 point, so Taurus is at 2 o'clock … and so on. The 12 constellation has six pairs of corresponding constellations. Aries is Libra, Taurus is Scorpio ...