The term celestial horizon is identified in base64 scheme by the sequence Y2VsZXN0aWFsIGhvcml6b24=, while the MD5 signature is equal to f17c8bc4a399425c30a58dd6f91200f2. The ASCII encoding of celestial horizon in hexadecimal notation is 63656c65737469616c20686f72697a6f6e.