Friday, October 24, 2025

Melotte 15

This is around 24 hours of total integration time on Melotte 15, the open cluster in the center of the Heart Nebula, and the areas around it. Individual subs were 20 seconds in EQ mode. I processed in Siril, SETI Astro, Affinity 2, and Graxpert. I’m in Bortle 8/9, so I had some gradients to remove, but the S50 captured some nice detail in the dust and gas clouds.

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16 hour integration of the Heart Nebula with the Dwarf 3 telescope

The Heart Nebula can be a challenging object due to its low surface brightness, especially in my neighborhood where I image under Bortle 8/9...