Not OP but deep sky astrophotography basically requires the gear OP mentions, a few dozen light frames, then a series of calibration frames (flats, darks, bias).

Edit: So definitely photos and not video.

You then use stacking software and make the final touches in photoshop/Lightroom.

I use SiriL and Photoshop, Nico Carver has a video comparing pretty much all stacking software if you're interested.