# Sun: mosaic in Hydrogen Alpha (pre Mercury transit)

Sun: mosaic in Hydrogen Alpha (pre Mercury transit). Photograph of the sun by Giancarlo Erra. Prints and merchandise available.

- **Category:** Solar
- **Equipment:** Skywatcher HEQ5 – Skywatcher Esprit 100 F/5.5 Triplet Super APO (550mm) – Daystar Quark Chromosphere HA – ASI174MM-COOL
- **Published:** 2026-08-21

![Sun: mosaic in Hydrogen Alpha (pre Mercury transit)](https://astro.observer/images/sun-mosaic-in-hydrogen-alpha-pre-mercury-transit/sun-mosaic-in-hydrogen-alpha-pre-mercury-transit-3200.jpg?v=5475bf8527)

Prints and merchandise: https://www.redbubble.com/i/photographic-print/Sun-mosaic-in-Hydrogen-Alpha-by-giancarloerra/21663280/zltf

Copyright Giancarlo Erra, all rights reserved. Licence: https://astro.observer/licence/

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