The nearest found maser object is G100.212+1.882 (offset by 2.8" from input coordinates)
Mean object RA, Dec: 21 52 57 +56 39 52 (328.2376925 56.6646170)
Mean object l, b: 100.2125 1.8825
ALMA archive search: Go search (r = 60")

Maser object G100.212+1.882

Other names: 21512+5625, G100.2124+01.8829, IRAS 21512+5625, IRAS21512+5625.

Detected/non-detected masers in the object: +H2O -CH3OH I

display_aladin("328.2376925","56.6646170","G100.212+1.882","G100.212+1.882","21512+5625, G100.2124+01.8829, IRAS 21512+5625, IRAS21512+5625","0")