The nearest found maser object is G90.446+2.176 (offset by 1.5" from input coordinates)
Mean object RA, Dec: 21 04 02 +50 07 48 (316.0113400 50.1301355)
Mean object l, b: 90.4463 2.1761
ALMA archive search: Go search (r = 60")

Maser object G90.446+2.176

Other names: (186) IRAS 21024+4955, 21024+4955, IRAS 21024+4955, L988-f.

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

display_aladin("316.0113400","50.1301355","G90.446+2.176","G90.446+2.176","(186) IRAS 21024+4955, 21024+4955, IRAS 21024+4955, L988-f","0")