The Eagle and the Unnamed

M16, the Eagle Nebula, is a beautiful and often photographed object in the southern sky (when viewed from the northern hemisphere).  It is the northern-most of a series of well known objects in the area, including M17, M18, M20, and M8.  But in this photo M16 is in the lower right corner and the object in the upper left is farther north.  What’s interesting about this is that although the object in the upper left is quite bright (and although smaller than M16, not particularly small compared to typical astronomical targets), it has no common name.  In fact, so far […]