Martz-Kohl Observatory
non-profit organization devoted to the amateur astronomer
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Trapezi
The Trapezium Cluster is a young open star cluster located in the centre of the Orion Nebula (M42).
Rosette Nebula
The Rosette Nebula, also known as Caldwell 49, is a large, spherical, H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy.
NGC 4501
NGC 4501 is a spiral galaxy of type Sb.
NGC6992
The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus. It constitutes the visible portions of the Cygnus Loop (radio source W78, or Sharpless 103), a large but relatively faint supernova remnant.