I blended two photos taken 5 minute apart and it looks unnatural. Can you show me how you would fix this?

Question

I took this shot a while ago.

When this was taken, it was still too dark so you can see high noise towards the bottom half of the picture.

I took a very similar shot about 5 minutes later

As you can see, the noise level is dramatically lower. I tried blending in the sky from the first shot with the bottom from the second shot:

Something feels off about this combination. I know that the lightning levels between the two images are too different. I can't help it since my drone's imaging capturing capability is rather limited.

Setting that aside, what would you do in this blend to make it look more natural?

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EDIT

The reason why I wanted to use the brighter image is because this was shot on a drone. Take a look at the difference in noise levels:

As you can see, it's a big difference.

Therefore, I would ideally want to figure out how I can turn the brighter image into a darker version that would make the final blend look more natural.

Answer 1

I wouldn't even attempt to overlay two images with such disparate perspectives. I'd take the frame I liked the best [the top one obviously in this case for the sky] & just HDR it.

This is Aurora HDR just at default settings. There are a million tweaks you could make to this, from hardly noticeable to "it hurts my eyes" - but we only have a tiny jpg to work on here; you'll do a lot better from the original image.

Evan Photoshop's Camera RAW can have a good go at pulling detail out of the darker areas - this, 2 minutes work pushing shadows, pulling highlights, then adding a bit of dehaze, sharpening & noise reduction - again, you need to do this on the original.
Photoshop doesn't have the micro-tonality contrast detailing of a dedicated HDR app, though, so it would be hard to get it as crisp whilst also lifting shadows.

There's nothing you can do for the sun itself - that's blown out. There is no detail to recover.
Oddly, the image shows fairly flat 205's right through, so something has already pulled those highlights back; there's still nothing there to recover from the posted image. This makes me think that, compared to your blended image, which does have detail there, something was used to 'fix' it at an earlier stage… which in fact 'broke' it.

Thinking about the blend - I decided what it perhaps needed was some more detail in the mids… so this was a quick go - basically contrast/clarity/haze changes, then lifting the overall lightness a little to compensate.

Answer 2

For me looks like the colour temperature of two photos is different. So I will recommend first to correct this and then blend them. Will be good to use RAW images when merge to HDR to get better effect.