Bart Staels acquired data using the TAGRA telescope of
Based on his BVRI images, the object is blue and I measured V=13.51 as of 23:34UT Jan 14. There is no object visible on the DSS at the outbursting object's position.
The TNS server cannot be reached now ("504 Gateway Time-out"), thus I cannot check the discovery data of AT 2023nf. However there is an entry for TCP J06442271+1549388 on the TOCP website, showing a transient candidate discovered by Kojima-san:
The ASAS-SN survey has also detected this transient this morning at around 13.5g'.