Combination of 10 5-minute images with an H-alpha and an OIII filter. A combination of the data from the two filters was used to create a green channel.
SBIG STL-1001E CCD. 5" f/5 refractor at prime focus.
Sharpless 2-54 is a very large but faint emission nebula in Serpens about 1.5 degrees north of M16.