The ornamental design for a lighting apparatus, as shown and described.
FIG. 1 is a front perspective view of a lighting apparatus in accordance with the present design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof; and
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a top perspective view of a lighting apparatus being worn by a user in accordance with the present invention.
The broken line showing of the hand in FIG. 8 is for environmental purposes only. All other broken lines show portion of the article which form no part of the claimed design.