Ready to get started on field notes? Find some here shared by Smithsonian Institution Archives and the Field Book Project. If you’re new(er) to field notes transcription, you might want to try reviewing - other volunteers tell us that is a great way to get comfortable with handwriting and other tricky features.
For Pokemon Go folks that like to hunt at night, you can also contribute to SCIENCE.
The Dark Sky Meter app does cost $1 to purchase (which is cheaper than most similar apps) to cover hosting of the real time map application. They do NOT currently have grant funding to cover the project, so rely on the $1 for downloading the app to keep project funded.