Sun Rise Sketch using an iPad Mini jot pro and fingers

Maybe the first sign of Spring even though its early February here and pretty stormy.  The front door faces south,  so when I go out I can see the sunrise over the horizon easily. I'm usually up by sunrise here and I noticed the sun and the way the light changed over a half hour.  I tried to capture this effect using my ipad mini, sketchbook pro an adonit jot pen and my fingers.

This is a video speed sketch of my original sketch using Sketchbook pro. It took about a half hour.

I worked up the sketch and then played around with it by treating the sketch with filters. This is one example

 

This is a final print using the original sketch to symbolize the light change. The image can be read from top to bottom full light to first light. Each treatment has been displayed the same way over each row. Clicking on the image will enlarge it.
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