Unfortunately, this is all that is available in DeZeng and Stankey's Lufftaffe Officer Career Summaries:
BALDAUF
, Horst. (DOB: 24.05.20 in Hainichen near Jena). (W.B.K. Chemnitz II). (R, DKG).
21.09.42 Uffz., awarded Ehrenpokal. 01.03.43 promo to Lt.(Kr.O./Ln.).
24.06.43 Lt., awarded DKG, 3.(H)/Aufkl.Gr. 11. 10.06.44 Lt., 2.(F)/Aufkl.Gr. 22 KIA during recce mission over theVinnitsa/Ukraine area. 08.08.44 Lt., posthumously awarded Ritterkreuz, which he was nominated for while serving in Aufklärungsgruppe 22.
There is also a Facebook post about him (in German) which claims that his fate hasn't been possible to clarify:
https://www.facebook.com/DasRitterkr...0736774375674/