These are individual shots from the special effects storyboard for the episode Catacombs of the Moon. These were filmed in the order shown (by slate number), but they are not in story order. The "new" and "reshoot" remarks suggest these sequences were re-filmed.
Scene 50 B, slate 21X.
Eagle slowly flying towards fire disc, which is rotating.
Scene NEW 48, slate 22X.
Eagle approaching plasma cloud. Very slowly.
Scene NEW 50, slate 23X.
Very slow track in on plasma cloud.
This is split into 2 cuts, as Koenig's point of view from the Eagle.
No scene number, slate 24X.
Firedisc in b/g
Spinning flames passing small Eagle
No scene number, slate 25X.
Slightly closer on spinning fire disc with flames.
No scene number, slate 26X.
Reshoot fire disc flames.
Use new slate number.