With the usual setup, from the Ersatz-Obsi, I imaged the Sun in He I D3. A stack of 96 spectroheliograms (scans).

Again, the coronal hole, as a large scale feature, is readily visible.

Processing scripts are here.

2025-02-09, the Sun in He I D3, enhanced signal

2025-02-09, the Sun in He I D3, enhanced signal

colorized

colorized

comparison with the SDO/AIA image

comparison with the SDO/AIA image