A sunshine recorder is a device that measures the amount of sunshine in a particular area over a certain period of time. Synonyms for this term could include a sunshine gauge, a solarimeter, a sunshine detector, a heliograph, or a pyranometer. Each of these terms refers to a device or tool that is designed to measure or record the amount of sunlight in a given location. These synonyms may be used interchangeably depending on the context and the specific type of measurement that needs to be taken. Overall, the purpose of these devices is to collect data on natural sunlight patterns, which can be used for a wide range of applications and research purposes.