GSH 042+21+019

Right Ascension (hh mm): 17 50
Declination (deg): 17.00
Reference Velocity (km/s): 18.85
Delta RA (hh mm): 00 53
Delta Dec (deg): 11.5
Delta V (km/s): 12.38
Mean Angular Diameter (deg): 12.80
Shape parameter: 0.70
Comments:
       GSH 042+21+019 is a large structure related to the previously identified GSH 043+22+019, however Ehlerova & Palous (2005) underestimated the extent of the shell. It is also not clear that their smaller GSH 037+19+016 is a separate entity.