Coronal mass ejections observed by heliospheric imagers at 0.2 and 1 au
Coronal mass ejections observed by heliospheric imagers at 0.2 and 1 au
Context. We study two coronal mass ejections (CMEs) observed between April 1 to 2, 2019 by both the inner Wide-Field Imager for Parker Solar Probe (WISPR-I) onboard the Parker Solar Probe (PSP) spacecraft (located between about 46 and 38 solar radii during this period) and the inner heliospheric imager (HI-1) …