alessandromezzera

Astronomy Pictures: Sky & Telescope's Online Gallery

M31 Andromeda Galaxy

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By: alessandromezzera January 14, 2026

Astronomy Pictures: Sky & Telescope's Online Gallery

M 27

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By: alessandromezzera January 8, 2026

Astronomy Pictures: Sky & Telescope's Online Gallery

M 27

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By: alessandromezzera January 8, 2026

Astronomy Pictures: Sky & Telescope's Online Gallery

NGC 7000 IC 5070

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By: alessandromezzera January 7, 2026

Astronomy Pictures: Sky & Telescope's Online Gallery

NGC 7000 e IC 5070

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By: alessandromezzera December 16, 2025

Astronomy Pictures: Sky & Telescope's Online Gallery

M31 Andromeda galaxy

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By: alessandromezzera November 22, 2025

Astronomy Pictures: Sky & Telescope's Online Gallery

NGC 6888 Crescent Nebula (starless)

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By: alessandromezzera November 13, 2025

Astronomy Pictures: Sky & Telescope's Online Gallery

C|2025 R2 Swan

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By: alessandromezzera November 12, 2025

Nebula & Galaxy

Nebulosa Velo dell'Est NGC 6992

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By: alessandromezzera November 4, 2025

Comet Neowise

Comet Neowise, C/2020 F3

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By: alessandromezzera August 8, 2020

Nebula & Galaxy

IC 1848 Soul Nebula W5

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By: alessandromezzera June 13, 2020

Meteors and Comets and Asteroids

Congiunzione Cometa C/2017 T2 Panstarrs con le galassie M81 e M82

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By: alessandromezzera June 13, 2020

Nebula & Galaxy

IC 1805, the Hearth Nebula. Narrowband filters, Ts 80 F6; Milan, Italy

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By: alessandromezzera June 12, 2020

Nebula & Galaxy

NGC 6992/5

By: alessandromezzera January 2, 2020

Nebula & Galaxy

NGC 2392

By: alessandromezzera April 23, 2019