https://spdf.gsfc.nasa.gov/pub/data/ibex/hi/maps/digital_data/release_2/aareadme_ibex_hi_maps_digital_release2.txt

This directory has five subdirectories of Release 2
IBEX-Hi map data in digital (text) format.

map1 subdirectory has Epoch 1, spacecraft-frame maps.
map2 subdirectory has Epoch 2, spacecraft-frame maps.
map1_CG subdirectory has Epoch 1, heliosphere-frame maps.
map2_CG subdirectory has Epoch 2, heliosphere-frame maps. 
map_combined1_2 subdirectory has heliosphere-frame maps
accumulated over Epochs 1 and 2 combined.

Epochs 1 and 2 span 12/2008-06/2009 and 6/2009-12/2009
respectively.

Heliosphere-frame data are basically Compton-Getting-
corrected spacecraft-frame data.

Further details on the data of each subdirectory are
contained in the aareadme files of the respective
subdirectories.

An overview of Release 2 data is at

https://ibex.princeton.edu/DataRelease2