To resolve the issue of the Star Chart map being off location, you can follow these detailed steps:

1. Check Location Settings:
- Open your iPhone's Settings.
- Scroll down and select Privacy & Security.
- Tap Location Services and ensure that it is enabled. Ensure that Star Chart is also set to Always or While Using the App.

2. Calibrate Your Sensors:
- Hold your phone and perform a full horizontal and vertical rotation to calibrate the compass and gyroscope. This allows the phone to better determine its orientation needing the calibration to improve accuracy.

3. Adjust Star Chart Settings:
- Open the Star Chart app.
- Navigate to the Set Location menu option.
- Ensure that the Use GPS toggle is turned on. If it isn’t, enable it to allow the app to access your current location accurately.

4. Check GPS Signal Strength:
- Move outdoors or to an open area to improve GPS signal strength, as indoor locations can weaken satellite signals. A clear sky helps the GPS get an accurate fix on your location.

5. Restart the App:
- Close the Star Chart app completely and then restart it. Sometimes restarting the app can resolve minor bugs causing inaccuracies.

6. Update the App:
- Go to the App Store and check if there is an update available for Star Chart. Keeping the app updated ensures you have the latest features and bug fixes that can enhance accuracy.

7. Reset Location & Privacy Settings:
- If the problem persists, go to Settings > General > Reset.
- Select Reset Location & Privacy. This will reset all your location settings, and you will have to re-authorize apps that require location access once you reopen them.

8. Test with Another App:
- To determine if the issue is specifically with Star Chart, try using a different navigation or map app, such as Google Maps, to see if the location accuracy is accurate there. This will help identify if the problem lies with Star Chart or your device settings.

By following these steps systematically, you should be able to correct the inaccurate location issue in Star Chart. If the problem persists after these measures, consider reaching out to their support for further assistance - learn more - learn more - learn more.