[Tex/LaTex] Turn off automatic figure numbering

Question

I have this code:

 \begin{figure*}
\includegraphics[width=\textwidth,height=9cm]{ex.png}
  \caption{Fig. 6: example.}
\end{figure*}

But it is the 6th figure of my report. I automatically also see Figure 1 before Fig.6, I guess because this is the first time I use figure*.

I use figure* because the rest of my document it 2 columns and this allows me to have a 2 column figure. How do i turn off this auto numbering?

Answer 1

LaTeX will automatically insert a label and a number whenever you say \caption, if you don't want this, either don't use the word \caption or use \caption* from the caption package.

\documentclass{article}
\usepackage{graphicx}
\usepackage{caption}

\begin{document}

\begin{figure}
 \centering
 \includegraphics[width=\textwidth,height=9cm]{example-image}
 \caption*{Fig. 6: example.}
 % Or just:
 % Fig. 6: example.
\end{figure}

\end{document}