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I agreeImaging telescope or lens:Canon EF 400mm F/2.8 L IS
Imaging camera:Sony Alpha 7
Resolution: 1200x803
Dates:Sept. 18, 2018
Frames: 8x30"
Integration: 0.1 hours
Avg. Moon age: 8.75 days
Avg. Moon phase: 64.38%
Astrometry.net job: 2280163
RA center: 93.497 degrees
DEC center: 19.633 degrees
Pixel scale: 15.607 arcsec/pixel
Orientation: 91.586 degrees
Field radius: 3.130 degrees
Locations: Observatorio del Teide, La Orotava, Tenerife, Islas Canarias, Spain
Data source: Professional, scientific grade data
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)
More info at Cometografia.es
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