Comet 21P/Giacobini-Zinner on September 18th 2018 moving over Milky Way background just between constellations Gemini and Orion, its tail extends with 2 degree length among ionized hidrogen nebulas wich fill this wide field of 5 per 3.5 degrees where highlights the Monkey Head Nebula NGC 2174 in the upper part of the image.
Lens Canon 400mm. f/2.8, camera Sony Alpha-7s.
4 min. total exposure.
From Teide Observatory, Tenerife (Spain).
Credits:
José J. Chambó / Miquel Serra-Ricart (TAD, Instituto de Astrofísica de Canarias)
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