Moon in Late February, 2023

Moon in Late February, 2023

February 26th, 2023, 7:18 p.m. local time

I am fairly certain I have not posted a Moon image since last year’s November eclipse. It’s been cloudy, cold, snowing, or I have been just plain busy. But here in late Winter the conditions are slowly turning again in my favor, so I hope to get the telescope(s) out more often.

The homemade Dobsonian still works, and I used it for this night’s session. Perhaps 2023 will finally be the year that I extract the primary mirror to give it a cleaning. I have not touched the mirror since I built the telescope in October 2016. And for years, I pondered getting a better focuser, a “two-stage” one that allows for finer adjustments when you are close to true focus. The year of the Dob retrofit?

I was rusty in taking images, as I resorted to a photo from the stock camera app on my iPhone. I forgot to bring my Apple Watch for triggering the shutter. Hitting the phone itself, even with a three-second delay, resulted in mostly fuzzy Moon images in NightCap.

Equipment Used:

  • 254mm Dobsonian telescope (homemade)
  • 23mm eyepiece
  • No eyepiece filter
  • iPhone 14 Pro
  • Smartphone telescope eyepiece adapter
  • Stock camera app on iPhone
  • f/1.8
  • 1/2900 sec exposure
  • ISO 57
  • Focal length: 7mm
  • Touchups in PaintShop Pro and AfterShot Pro


I write frequently about astrophotography, technology advice, and my other interests like science fiction. I have over 30 years of experience in computer programming, information technology, and project management.

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