# Cave Nebula (Sh2-155) – Hubble Palette Narrowband

Cave Nebula (Sh2-155) – Hubble Palette Narrowband. Deep sky astrophotography by Giancarlo Erra. Photographed with Skywatcher Esprit 120 840mm.

- **Category:** Deep sky
- **Object:** Sh2-155 (Caldwell 9, Cave Nebula)
- **Position:** RA 344.2746 deg, Dec 62.6359 deg (ICRS J2000)
- **Equipment:** Skywatcher Esprit 120 840mm · ZWO ASI1600 · 7nm HA + SII, Optolong 6.5nm OIII · iOptron CEM70 – Voyager · Pixinsight – Photoshop
- **Published:** 2022-03-28

![Cave Nebula (Sh2-155) – Hubble Palette Narrowband](https://astro.observer/images/cave-nebula-caldwell-9-sh2-155-hubble-palette-narrowband/cave-nebula-caldwell-9-sh2-155-hubble-palette-narrowband-3200.jpg?v=4158deff22)

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

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