All I have to say is https://youtu.be/0VJ1NuAbEBI?t=20
Location
Address
Waterboro, ME
Latitude
43° 32' 58.53'' N (43.549591°)
Longitude
70° 45' 7.77'' W (-70.752159°)
Elevation
152.9189m
Time and Duration
Local Date & Time
2021-07-30 23:14 EDT
UT Date & Time
2021-07-31 03:14 UT
Duration
≈45s
Direction
Moving direction
From up left to down right
Descent Angle
95°
Moving
Facing azimuth
140°
First azimuth
120°
First elevation
35°
Last azimuth
308.93°
Last elevation
33°
Brightness and color
Stellar Magnitude
-20
Color
White
Concurrent Sound
Observation
Yes
Remarks
It sounded like construction or some sort of motor with occasional booming. The sound lasted about 30-45 minutes so I thought Dirigo was doing emergency construction, (they were not).