Here's the 5am one:
I used a tinted board which I haven't used so much recently - tinting with a mix of Burnt Sienna & Ultramarine with Gesso acrylic white you can see the colour peeping through.
Painting plein air you can choose when you commit to a time - this was just as the sun was peeping up, it looked good about 109 mins later too and I wish I could have done another! It's when a photo is handy I can use the info form this one and the photo and do another in the studio.
I have painted Langstone many times now, it's different every time and each time makes a difference as I learn more of the subject and memories of previous paints fuel the new one.