this post was submitted on 20 Nov 2023
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Astrophotography

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Welcome to !astrophotography!

We are Lemmy's dedicated astrophotography community!

If you want to see or post pictures of space taken by amateurs using amateur level equipment, this is the place for you!

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Equipment details:

  • Mount: OpenAstroMount by OpenAstroTech
  • Lens: Sony 200-600 @ 600mm f/7.1
  • Camera: Sony A7R III
  • Guidescope: OpenAstroGuider (50mm, fl=163) by OpenAstroTech
  • Guide Camera: SVBONY SV305m Pro
  • Imaging Computer: ROCKPro64 running INDIGO server

Acquisition & Processing:

  • Imaged and Guided/Dithered in Ain Imager
  • 420x30s lights, 40 darks, 100 flats, 100 biases, 100 dark-flats over two nights
  • Prepared data and stacked in SiriLic
  • Background extraction, photometric color calibration, generalized hyperbolic stretch transform, and StarNet++ in SiriLic
  • Adjusted curves, enhanced saturation of the nebula and recombined with star mask in GIMP, desaturated and denoised background

This is my first time doing a multi-night image, and my first time using SiriLic to configure a Siril script. Any tips there would be helpful. Suggestions for improvement or any other form of constructive criticism are welcome!

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[–] [email protected] 2 points 1 year ago

If I’m shooting just one filter I usually dither every 4 frames, but most of the time I loop LLLRRGGBB > dither or HaHaOiiiOiiiSiiSii> dither. Imo dithering every 2 frames is a lot as you’ll spend a lot of time waiting for it to settle and not actively imaging.