The Medulla Nebula Constellation: Cassiopeia
   
Telescope: Six-Inch Astrograph Date: August 22nd, 23rd and 25th
   
Subexposures: Ha 61x6minutes, OIII 34x6 minutes, RGB 10x1 minute Total Exposure Time: 10 Hours
   
Distance: 10,000 light-years 
   
 
 
 Medulla Nebula Image (blue rectangle)