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# Visual Mosaics

![Header Thumbnail](/data/imagery/mosaics/visual.webp)

PlanetScope Mosaics are generated by querying PlanetScope scenes that overlap a specific area of interest within a designated time frame. These scenes are then ranked based on quality metrics metadata, such as the presence of clouds and haze, with the highest quality scenes placed at the top. Using a best-on-top algorithm, the highest quality scenes are efficiently composited to create the final mosaic.

**PlanetScope Visual Mosaics** (Zoom Level 15 – 4.77 meter cell size at the equator) are optimized to minimize the effects of cloud cover, haze, and topographic variations. These mosaics are generated using the [visual](https://docs.planet.com/data/imagery/planetscope/psscene.md) asset type, and are color-corrected and designed for human viewing and computer vision analytics, enabling users to monitor landscape and infrastructure changes over time and space.

**SkySat Visual Mosaics** (Zoom Level 18 – 0.596 meter cell size at the equator) can be generated post SkySat tasking over a custom area and time of interest. SkySat Visual Mosaics are generated using [ortho\_visual](https://docs.planet.com/data/imagery/skysat/item-types/skysatcollect.md) asset type. In addition, SkySat Visual Mosaics may be purchased as an add-on to our Flexible Tasking product.

For more details, see the [Mosaics Webpage](https://docs.planet.com/data/imagery/mosaics.md) and the [Mosaic Product Technical Specification](https://assets.planet.com/products/basemap/planet-basemaps-product-specifications.pdf) document.

### Visual Mosaics Product Details

| Source imagery                                                        | Download bands | Streaming bands | Monitoring frequency                           | Zoom level | Color target                                                 |
| --------------------------------------------------------------------- | -------------- | --------------- | ---------------------------------------------- | ---------- | ------------------------------------------------------------ |
| PlanetScope and/or<br />RapidEye\* Visual Product<br />`visual` asset | RGB            | RGB             | Weekly<br />Monthly<br />Quarterly             | 15         | MODIS                                                        |
| SkySat Visual Product<br />`ortho_visual` asset                       | RGB            | RGB             | Weekly<br />Monthly<br />Quarterly<br />Custom | 18         | PlanetScope (normalized to MODIS)<br />None (non-normalized) |

*\*RapidEye Imagery is used in Global Mosaics for dates prior to February 2020.*