Guides
Practical guides for clearer comparisons
Six practical guides to selecting dates, reading clouds and gaps, annotating imagery and publishing an attributed comparison.
Your first satellite comparison
Frame a place, choose two verified dates and make a labelled comparison using the Lake Mead example.
Read guide 02Choose dates that are fair to compare
Reduce seasonal and sensor differences when choosing satellite dates, and understand what a daily data date can prove.
Read guide 03Understand clouds and missing imagery
Tell catalogue cloud estimates, missing pixels and service failures apart before using a satellite comparison.
Read guide 04Resolution, zoom and your exported image
Understand the difference between 30 m source pixels, screen zoom and PNG or JPG export dimensions.
Read guide 05Compare lakes and landscapes with care
Build a clear visual comparison of a reservoir or landscape without turning appearance into unsupported measurements.
Read guide 06Publish a comparison with its sources
Prepare captions, check exported files and share satellite comparisons without losing dates or attribution.
Read guide