If you’re shooting long exposures for deep-sky images, then yes, you should still shoot flats.
I made an online Realtime Intrusion Detection System that you can use to tell you what Near-Earth Objects (NEOs) are visible to you for imaging -- NOW.
Choosing a camera for astrophotography can be hard...and expensive. Maybe I can help with this short video explanation of the main differences between them.
In this episode of the Star Stuff Video Series, I share 20, yes TWENTY(!), tips for capturing the planets well from one backyard astronomer to another.