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RC Collimation: the Struggle is Real
Posted inEquipment Theory

RC Collimation: the Struggle is Real

I unwittingly demonstrated to myself the importance of good collimation which can only be confirmed under the stars.
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Posted by Dave Dave April 21, 2026
My (Mostly) Pain-Free Method for Shooting Flats
Posted inEquipment

My (Mostly) Pain-Free Method for Shooting Flats

My high-tech method for shooting reliable flats, using nothing more than a white T-short and an embroidery hoop.
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Posted by Dave Dave April 18, 2026
Sky-Watcher Esprit 80ED on Clearance!
Posted inEquipment

Sky-Watcher Esprit 80ED on Clearance!

Sky-Watcher has discontinued its Esprit ED line of refractors, but you can still purchase the 80ED at a clearance price.
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Posted by Dave Dave April 4, 2026

About Me

If you're an astrophotographer, perhaps you've run across me as @PhotonPhanatic on Facebook, X, Twitter, Astrobin, or BlueSky. Since I retired from engineering in 2020 I spend much of my time imaging DSOs. It's a great hobby because there's always more to learn, and that helps me get my tech jollies. Even after several years, I still love to watch the first subs roll in during an imaging session, and to see an image reveal itself in processing.

Recent Posts

  • RC Collimation: the Struggle is Real
  • My (Mostly) Pain-Free Method for Shooting Flats
  • Are Your Subexposures Long Enough?
  • Sky-Watcher Esprit 80ED on Clearance!
  • Welcome to My Astrophotography Blog!

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