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Essays
  Saturday, January 09, 2010

 

3towers Lunar 100

3towers Moon Halos

 

Orientale Basin

 

Western sky December 31, 2008

 

New Essays:

Astrophotography with the Nikon D100

Color Magnitude Diagram of M67

Space Quarantine

Olbers' Paradox

 
 
New Grasslands Observatory Deep-Sky Images

 

 
Horsehead Nebula (IC434) Horsehead Nebula (IC434)   Horsehead Nebula (IC434) in Hydrogen alpha Rosette Nebula (NGC2237)
         
 
Rosette Nebula (NGC2237) in Hydrogen alpha IC443   IC443 in Hydrogen alpha NGC7538 and environs, including M52 and NGC7635 (Bubble Nebula)