The Horsehead Nebula in orion

This is a very familiar sight and thousands of pictures have been taken of this little “seahorse”  or horsehead in the sky.  Taken with the Celestron C11 on an EQ8 mount, Starizona LF corrector for Schmidt-Cassegrains, a Nikon D750 DSLR modified for extra H-Alfa sensitivity. 22 frames of 300 seconds each are combined in this image