Limit on Characters for Alt text

Why is there a limit on characters in Alt text? I am developing content for a chemistry course in which the images often times require fairly long text to fully describe. Often times I can not include all the text needed because of the limit on characters. Being an accessibility issue,  is it possible to change it so that the number of characters is not limited in alt text.

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icc's picture

I don't think there's any particular reason for this, it was just the default max for all input field. I do agree that it's a little bit short in many scenarios. What do you think the new max should be, 1024 or 2048?

Hello,
It would nice to have the max to be 2048. We are adding many graphs and diagrams that require long descriptions but the limit on characters not letting us do that. we are kind of stuck. Any suggestions?