Spectral Discovery for Landsat-8 imagery (Sydney region, Australia)

Resolution 30m: A default overview included in the download
Resolution 30m: Natural-colour composite produced by Spectral Discovery (RGB Image Stretching)
Resolution 30m: Before pan-sharpening
Resolution 15m: After pan-sharpening (Method 1) in Spectral Discovery
Resolution 15m: After pan-sharpening (Method 2) in Spectral Discovery