NGC 4631    Whale Galaxy

Distance from Earth:   30 million light years

Constellation:      Canes Venati

Telescope:  12.5" RCOS

Camera :   STL11000, off axis guiding 

Mount :           AP1200

Image date:    April 2023

 

   -- Filters used and total time--

Luminous  30 minutes (2x2 binning)

Red             30 minutes  (2x2 binning)

Green         30 minutes  (2x2 binning)

Blue            30 minutes (2x2 binning)

Ha                

OIII

SII