Cluster Module

Methods for importing data from the four Cluster spacecraft.

To download data you will need to be registered at the cluster science archive (, and have set either the environment variable CLUSTERCOOKIE to your cookie, or set your cookie in the heliopyrc file.

The data download method is described at


cis_codif_h1_moms(probe, starttime, endtime)

Load H+ moments from CIS instrument.

cis_hia_onboard_moms(probe, starttime, endtime)

Download onboard ion moments from the CIS instrument.

fgm(probe, starttime, endtime[, try_download])

Download fluxgate magnetometer data.

peace_moments(probe, starttime, endtime[, …])

Download electron moments from the PEACE instrument.