CCOR-1 (Compact CORonograph-1)

CCOR-1 (Compact CORonograph-1) is a space-based coronograph aboard a geostationary satellite GOES-19 owned by NOAA. Its goal is providing solar data used for space weather forecasting.

By covering the Sun's surface (photosphere), it allows to observe its atmosphere called corona. It is millions of times fainter than the Sun itself, roughly as bright as full Moon. It is important to monitor the corona, as coronal mass ejections (CME) can damage power grids, interrupt GPS systems and cause damage to technology resulting in a cost of repair counted in millions or even billions of dollars.

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