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kottke.org posts about Andrew McCarthy

Let’s Bask in This Photo of the Sun

posted by Jason Kottke   Apr 27, 2021

The Sun

Astrophotography enthusiast Andrew McCarthy took a 140-megapixel photo of the Sun yesterday and, gosh, the Sun is just so cool to look at. I don’t know if you can see it above, but there’s a little something hidden in the photo, a transiting ISS:

The ISS transiting the Sun

The full-size image is available to McCarthy’s supporters on Patreon.

This Striking Image of the Moon Is a Combination of 100,000 Photos

posted by Jason Kottke   Jan 15, 2020

Backyard astronomer Andrew McCarthy has created some arresting images of various objects in the sky, including galaxies, planets, the Sun, and nebulas. Perhaps his favorite subject is the Moon and for one of his first images of 2020, he combined 100,000 photos to make this image of the first quarter Moon.

Andrew McCarthy Moon

Some detail:

Andrew McCarthy Moon

*low whistle* McCarthy uses some digital darkroom techniques to bump up the dynamic range, which he explained in the comments of a similar image.

The natural colors of the moon were brought out here with minor saturation adjustments, but those colors are completely real and what you could see if your eyes were more sensitive. I find the color really helps tell the story of how some of these features formed billions of years ago.

In one of his Instagram Stories, he shows how he photographs the Moon, including dealing with temperature changes over the course of the session — “when it’s cold, the telescope shrinks, and the focus changes”.

McCarthy sells digital copies of his images (as wallpaper or to print out) as well as prints. (via moss & fog)