How many constellations are there in the sky?

88 Bear, Dragon, Cassiopeia, Andromeda, Scorpion, Leopard, Auriga, Fox, Cygnus, Triangle, Little Lion, Sagittarius, Lyra, Dolphin, Cancer, Aries, Gemini, Aquarius, Virgo, Leo, Pisces, Sagittarius, Tauren, Ophiuchus, Serpent Unicorn, Orion and Whale Celestial Frame Mount Flying Watch Clock, Rhododendron Compass. Water pump, sculpture, giant, wolf, pigeon, raven, rabbit, sextant, India, Southern Triangle Telescope, Southern Cross, Centauri microscope.