Good morning, does anyone know of a document that explains the distortion on the edges of some planetscope images? Do you know why this happens?
This is an effect you can see on older Planet imagery known as vignetting. Fortunately, this only affected older sensors with the classification of PS0 and PS1, whereas all newer satellites (roughly mid-2015 onwards) are PS2.
You can filter for newer satellite imagery only by using API filters on the
instrument field in the metadata, looking for the
Here's an example of PS2 metadata: https://api.planet.com/data/v1/item-types/PSScene3Band/items/20160828_172140_0e30.