This image is LHa_HaRGB, where Ha:R (80:20) was used for the Red
channel, and L:Ha (20:80) for Luminance. IC 63 here is the
"finger" pointing at Gamma Cassiopeiae, IC 59 is the red with
blue region near and to upper-right of IC 63, and Gamma Cassiopeiae is the
blue, brightest (appearing largest) star near the center of the image.