AKA: D∅, D1/2dim, D1/2dim7, D7°5, D7b5, D Half-diminished, Dm7(-5), Dm7°5, Dm7b5, Dmin7dim5, D minor seventh flat fifth, D minor seventh flat five, Dø, Dº7
You can choose to play the bass (circled in green) or the counter bass (circled in blue). I prefer playing the bass but both positions are quite comfortable.
Notes:
D, F, A♭, C
Intervals:
R, m3°, m5°, m7°
Left hand:
D + Fm
Fingering:
2 + 4 or 3 + 5
or 4 + 2 on counter-bass