![](https://lemmy.world/pictrs/image/6342ae48-157a-4a8e-9b5d-7f8c512b683c.png)
![](https://lemmy.ml/pictrs/image/gWmVEUZ94Z.png)
You cannot really hide it. The launch has to be public to warn airplanes and ships so they can avoid the area. And once the launch is public, such a failure is quite evident to anyone who was interested in following it, so you might has well publish the news instead of trying to hide the unhidable.
I have been using Bookstack, I like it though it is missing a few features I would love: