download

type Downloader interface {
	// Return the latest image name after a given time if found.
	// If no image was found, filename is "".
	ModifiedSince(after time.Time) (filename string, err error)

	// Download the image with the given filename.
	Download(filename string) (img image.Image, err error)
}

type Dscovr struct{}

type Himawari struct {
	// Depth is the resolution depth. One of 4, 8, 16, 20.
	Depth int
}