NGC 7635 (Bubble Nebula) 

Telescope:  RCOS    12.5"

Camera :  STL11000 (off axis guided)

Mount :           AP1200

Image date: Oct 2010

 

   -- Filters used and total time--

Luminous  125 minutes

Red             30 minutes

Green         30 minutes

Blue            30 minutes

Ha

OIII

SII

Distance from Earth--11300 light years

   Located in:   Cassiopeia