http://www.n2yo.com/passes/?s=25544 that provides a forecast of satellite passes when ISS will be visible - before sunrise and after sunset.
I'm using a Nikon D500 and D5300, ISO 1250, 20 sec exposure, internal shooting (though I can't figure out how to make 20 20 sec exposures - only 9. This morning I actually saw the ISS (missed it my first attempt several weeks ago) -
Here is the D5300 composite image (using Gimp, load as layers and change the transparency to 50%)
D5300 05:49:01
05:49:26
05:49:51
05:50:15
D500 composite
05:58:59
05:49:20
05:59:40
05:50:00
05:50_20
05:51:01
05:51:28 I saw the ISS and moved the camera to catch the track as it approached the east horizon. Jupiter to the left of the ISS track
05:52:03 - Jupiter on the left as the ISS passes down
Orion
Polaris and Big Dipper
Polaris and the Big Dipper
C. Frank Starmer