Comments: NPH looks incomplete with probable exposure of the NPC.

[Add observation]

Observation 1
Feature(s)	Syrtis major Hellas Sabaeus sinus
Filter(s)	rgb
Date	2023-01-02 01:23:00
Julian day	2459946.5576388887
System I	305.1°
System II	N/A
System III	N/A
Illumination	97.1%
Phase angle	19.700000762939453°
Solar longitude	219.2°
Eq. diameter	14.53″
Derotation	8.8 min