M16: The eagle nebula

Jul 7, 2025 (Astronomical images)

North is up. 0.55 arcseconds/pixel.

Color: 1 hour (133 * 30 seconds, though thin clouds)
Equipment: C9.25, ASI533 MC (IMX533 OSC), Askar C1 Ha+Oiii filter, EQ6-R mount.

HOO (Hydrogen-a, Oxygen-iii, Oxygen-iii) palette, very close to natural color except with bosted oxygen to make it less red. There was lots of atmospheric dispersion due to this target’s low altitude. I cleaned up the stars in post, but there’s no way to fix the damage done to other parts of the image.

Raw stacks: 32-bit RICE compressed FITs

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