The nebula was processed in the HST palette with the Ha, OIII and SII frames. The LRGB frames where used for the stars and layed in with the nebula.
Center (RA, Dec): (13.152, 56.705)
Center (RA, hms): 00h 52m 36.531s
Center (Dec, dms): +56 42' 17.195"
Size: 1.78 x 1.26 deg
Radius: 1.090 deg
Orientation: Up is 89.3 degrees E of N