... M3: Inconstant Star Cluster . ... Star clusters appear constant because photographs of them are frozen in time. ... Venus by the Lake . ... And if you can find Venus tonight, you can also easily find the lovely Pleiades star cluster (aka M45) close by. ... Hurtling through a cosmic dust cloud a mere 400 light-years away, the lovely Pleiades or Seven Sisters star cluster is well-known in astronomical images for its striking blue reflection nebulae. At visible wavelengths.. ... Saturn from Below . ...