private static void Main(string[] args)
        {
            const string apiKey = "astrometrynetapikey";
            const string file   = "test.fit";

            try
            {
                var client = new Client(apiKey);
                var res    = client.Login();
                Console.WriteLine("Login : "******"\nRA : " + calibrationResponse.ra);
                    Console.WriteLine("Dec : " + calibrationResponse.dec);
                    Console.WriteLine("radius : " + calibrationResponse.radius);

                    Console.WriteLine("");
                    foreach (string obj in objectsInFieldResponse.objects_in_field)
                    {
                        Console.WriteLine(obj);
                    }
                }
                else
                {
                    Console.WriteLine("Status : " + jobStatusResponse.Result.status);
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            finally
            {
                Console.ReadKey();
            }
        }