GSH 052+20+012

Right Ascension (hh mm): 18 10
Declination (deg): 25.00
Reference Velocity (km/s): 12.46
Delta RA (hh mm): 00 15
Delta Dec (deg): 3
Delta V (km/s): 7.73
Mean Angular Diameter (deg): 2.70
Shape parameter: 0.77
Comments:

Expansion Velocity Information
    Velocity of Front Wall V_f (km/s): 0
    Velocity of Back Wall V_b (km/s): 20
    Expansion Velocity (km/s): 10
        Front wall estimate may be possibly unrelated gas, or suffer from data quality issues.
        Back wall estimate may be possibly unrelated gas, or suffer from data quality issues.
    Minimum 'Shell-like' velocity V₁ (km/s): 9
    Maximum 'Shell-like' velocity V₂ (km/s): 17
    Lower Limit on V_exp (km/s): 9 (from V_f and V₂)