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Photographing Comet C/2025 R2 (SWAN) with a DSLR – Complete Guide.
Comet C/2025 R2 (SWAN), formerly known as SWAN25B, is making its journey through our skies — and you don’t need a telescope to capture it! In this video, I’ll show you step-by-step how to photograph this rare comet using just a DSLR or mirrorless camera, a sturdy tripod, and a bit of patience.
? What you’ll learn in this video:
How to plan your comet photography session (tracking positions, dates, and brightness)
Gear choices for wide-angle and telephoto comet shots
DSLR & mirrorless camera settings for both tripod and star tracker setups
Focusing tips that actually work for astrophotography
Post-processing techniques: stacking, noise reduction, contrast, color balance
Why Comet C/2025 R2 (SWAN) is a once-in-a-lifetime cosmic visitor
✨ Key dates to remember:
Oct 10, 2025 – Peak brightness (magnitude ~5.8)
Oct 21, 2025 – Closest approach to Earth (40.2 million km / 25 million miles)
Sept 17, 2025 – Near the Eagle Nebula (Messier 16) for a unique photo opportunity
Whether you’re a beginner with your first DSLR or an experienced astrophotographer, this tutorial will help you capture the faint green glow of the coma, the sweeping tail, and maybe even a little cosmic history.
? Helpful resources:
Minor Planet Center (ephemerides) → https://minorplanetcenter.net
Heavens-Above (comet positions) → https://heavens-above.com
Stellarium (planetarium software) → https://stellarium.org
Beginner's Guide to Astronomical Image Processing → Table of Contents
Peter Zelinke comet photography tutorial → Editing Comet Neowise with Photoshop
Astrogazer comet processing → Comet Processing — TheAstroGazer
DeepSkyStacker → DeepSkyStacker - Free
? Don’t forget to like, subscribe, and share if you want more astrophotography tutorials and real-time comet updates. Drop your comet shots in the comments — I’d love to see your work!

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