ra               dec     n_frames      t_exp           gal_ext (Schlegel maps)

n1   22 18 08  00 19 45     170           4h15m     0.024 in K, 0.059 in J, 0.127 in I, 0.282 in B, 0.217 in V
n2   22 17 51  00 19 45     180           4h30m     0.024 in K, 0.058 in J, 0.125 in I, 0.279 in B, 0.214 in V
n3   22 17 34  00 19 45     200           5h             0.022 in K, 0.055 in J, 0.118 in I, 0.263 in B, 0.202 in V
n4   22 18 08  00 15 30     140           3h30m     0.026 in K, 0.063 in J, 0.135 in I, 0.300 in B, 0.231 in V
 

Limits in decimal degrees for Ra and Dec in F2200 K-band area (noisy
border areas have been rejected):

Total area corresponding to these limits:  89.3  sq arcmins.

Here is an image of the field with these limits drawn on it.