An old friend - a photo on Flickriver

An old friend

Getting new astro gear always summons the clouds, so it took about six weeks to actually get the 400mm pointed skywards. Had some doubts about using such a long focal length on an unguided star tracker, but even with a very approximate polar alignment I could still reliably get 45s exposures, and Orion is, as always, a merciful target.

1 stack of 50 45s images, Canon 800D at ISO 800, Canon 400mm f5.6 lens wide open, iOptron Skyguider Pro tracker. 100 darks, 350 biases. Processing details at www.astrobin.com/4hi5cx

Taken on: January 9, 2021

Tags:

orion

running man nebula

m43

s279

nebula

astrophoto

astronomy « less

Sets appears in: • 2021 • Explored more » • Astrophoto « less

Groups appears in: • Astronomy • Deepsky more » • the skies above • Night Sky, The • Deep Space Astrophotography • Amateur Astronomy • Astronomical Images • Very Long Exposure (30 seconds or more) • Canon Super Telephoto Prime • Astro-Photography and Similars • ASTROPHOTO • "Los mejores momentos de tu día" • astrophotoinsight • Astronomy for all • Insight Astronomy Photographer of the Year • The Lights Of The Night Sky • Fotografie Nocturna Romania / Night Photography Romania • ESO's Hidden Treasures • CANON 400 mm f/5.6 L USM • Astronomers Talk • Starry Night Astrophotography • Astrophotography (Pixinsight Processing) • Astronomers Without Borders • Most Beautiful Astronomical Objects • Universe Today • The Stars at Night -- P1/C1 • Backyard Astrophotography • Stars n' Stuff • APOD Submissions • Camera Lens Astrophotography • in explore • Amateur Astro-Photography • Astrophotography - The Solar System and Beyond • PhotographingSpace.com • ;-)) al Amanecer y al Atardecer ★ Sunset-Sunrise IIPARTE • Dark Sky Travels Magazine • The Art of Astrophotography • Astro Imaging • BEAUTY PHOTOS AROUND THE WORLD • EXPLORER PHOTOS FROM 2021 AND ALSO OF THE PAST, « less

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