Grandpa Ron
Been spending a lot of time on here!
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I did not know where else to post this. I think it may be a film thing.
For some reason there is a break in the star trails, at the start of the exposure. The gap is a given length, then star trials resumed a bit thinner.
This is,
Mummy ISO 200.
4x5 format.
Tripod mounted and aimed near the north star.
"T" setting on a 162mm Wollensak lens.
f 8 Aperture.
3 hour exposure. (I opened the shutter and went to bed for 3 hours.)
The gap appears on the negative also.
If the tripod has shifted, the start trail would have shifted.
Does anyone know a reason for this gap in the star trail?
For some reason there is a break in the star trails, at the start of the exposure. The gap is a given length, then star trials resumed a bit thinner.
This is,
Mummy ISO 200.
4x5 format.
Tripod mounted and aimed near the north star.
"T" setting on a 162mm Wollensak lens.
f 8 Aperture.
3 hour exposure. (I opened the shutter and went to bed for 3 hours.)
The gap appears on the negative also.
If the tripod has shifted, the start trail would have shifted.
Does anyone know a reason for this gap in the star trail?