- Heptagram (Wikipedia)
A heptagram, septagram, septegram or septogram is a seven-point star drawn with seven straight strokes.
- Star Tales - Reticulum (ianridpath.com)
A small southern constellation, introduced by the French astronomer Nicolas Louis de Lacaille to commemorate the reticle in the eyepiece of his small telescope with which he catalogued the southern stars from the Cape of Good Hope in 1751–52.