The California Nebula in RGB - NGC1499

The California Nebula in the Perseus constellation from Piano Battaglia @1400 (Sicily) m a.s.l.

📖 FROM WIKIPEDIA:
The California Nebula (NGC 1499) is an emission nebula located in the constellation Perseus. It is so named because it appears to resemble the outline of the US State of California on long exposure photographs. It is almost 2.5° long on the sky and, because of its very low surface brightness, it is extremely difficult to observe visually.

It can be observed with a Hα filter (isolates the Hα line at 656 nm) or Hβ filter (isolates the Hβ line at 486 nm) in a rich-field telescope under dark skies. It lies at a distance of about 1,000 light years from Earth. Its fluorescence is due to excitation of the Hβ line in the nebula by the nearby prodigiously energetic O7 star, Xi Persei.
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⚙️ TECHNICAL DETAILS:
Acquisition System: TS APO 80/480 - Canon EOS 60D (unmodded)
Mount: HEQ5
Guide system: QHY5L-II + 60/200
Light: 12x360", Dark: 60, Flat.
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Taken on: December 15, 2020

Groups appears in: • Astronomy • Deep Space Astrophotography more » • Astronomia • Amateur Astronomy • Astro-Photography and Similars • ASTROPHOTO • Astrofotografia • Astrofotografia_Italia • Astronomy Photos • Astrofotografia / Astrophotography • ASTROFOTOGRAFIA ASTROPHOTOGRAPHY • Astronomy / Stargazing UK • Astrophotography HD Gems • Starry Night Astrophotography • Astrophotography (Pixinsight Processing) • Online Astronomy Society • APOD Submissions • astronomy on flickr • Digital Astrophotography • Astro Space • Amateur Astro-Photography • Astro Photography • EAPOD • DSLR Astrophotography « less

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