They look good!Today will be day 3 of 3 trying to get a decent sourdough loaf... this is the first loaf,
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and last night's didn't look any better. I made 2 loaves yesterday, but only baked one. The other went into the fridge as a backup. Hopefully, this one will rise. The waste of time and excitement are what frustrate me the most when this happens.
timing for oven spring is a tough one. Try letting it rise for an hour at 85F and then putting it into the fridge for an hour while the oven warms up and then baking the loaf.