Yes! Most hotel reservations are fully refundable provided that you cancel prior to the hotel's cancellation deadline, which often is within 24-48 hours of your scheduled arrival. If you have a reservation that's non-refundable, you might be able to cancel it and be given a refund within 24 hours of booking. Add dates, click "Search", then use the "fully refundable" filter to get top deals close to South African Astronomical Observatory.