What is wrong with these HP5+ negatives in Microphen?

Here is how I deal with fixing film - both a general method that is fine, and an additional wrinkle that suits my workflow: https://www.photrio.com/forum/resou...ixing-procedure-for-black-white-negatives.75/
And as for the moon, is there any chance that reflects the movement of the moon over a long time exposure?

Looks like bromide drag to me, but it is also suspiciously sharp edged.

Does your camera have a horizontally running shutter? If so, it's in need of service, it sure looks to me like the shutter is dragging on the way across the film giving you variable exposure in variable width strips since it's not exactly the same each time. Check to make sure you don't have a film chip in the slot the shutter runs in as well.

If re-fixing didn't help, try another roll of film with better agitation, and if you get the same effect, I'd bet it's the camera.

Why do people make developing film so complicated? It is not rocket science. Just follow the instructions. It is not the time for improvisation. Save that for printing when you have the opportunity for unlimited do-overs.

psfred said:

Looks like bromide drag to me, but it is also suspiciously sharp edged.
Does your camera have a horizontally running shutter? If so, it's in need of service, it sure looks to me like the shutter is dragging on the way across the film giving you variable exposure in variable width strips since it's not exactly the same each time.

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Thankfully I doubt it's the shutter, here's another shot from the same camera, probably same film.

spl said:

I wonder did I leave it suspended above the solution level for some of the development time?

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Did you use the elastic Nylon ring to keep the spiral in place on the spindle? Even that is not foolproof: if the tank inversion is too fast, the ring must resit not only the weight of the spiral+film, but also all the liquid that is still flowing through the spirals. So, inversion, yes definitely, but like 1 second duration for the 180°.

spl said:

I re-fixed the negatives in the same fixer giving them better agitation and a 15 minute immersion.

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Agitation is important for the fixer also. Not as critical as for dev, because fix is done to completion, but stand fixing is a Bad Idea. With proper agitation and fresh 1+4 rapid fixer, no need for 15 min, not even 5min. 1 min should be quite adequate; disclosure: I usually do 2min (fresh fixer) just to be on the safe side.
Post #24 by pentaxuser: good advice (just what I do).