Astrophotography Flat Panel Holder/Lens Cap for C6 SCT
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Assembly to hold an electroluminescent panel on a C6 SCT to make taking flats easier.
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This is a holder for the Ellumiglow 8 inch circle EL Panel they sell targeting astrophotographers for taking flats. I'm using this on a Celestron C6 (6 inch SCT), which is why the opening is smaller than the panel. This was intentional to make sure that the edges were covered.
It's worked great for getting clean flats with less hassle. I use a Telegizmos 365 cover, so being able to keep this assembly on and the telescope covered has made it easier to redo flats with less concern about ambient light and light leaks. The assembly essentially acts as a lens cap.
Due to the size on a Mk4, it does require splitting the base and top, and assembling. There are some small guides to help. I just used CA glue. It's a particularly refined method, but it worked. For the power cord stress relief, there are some small guides to help keep zip ties placed.
The steps I used were:
- Assemble the base
- Assemble the top
- Adhere the acrylic defuser to the EL panel
- Use the top as a guide to position the panel and adhere to the base
- CA glue the top to the base
- Zipties for strain relief on the power cable
I printed out of PETG, and have been using it as a lens cap with it being left outside (but under a cover).
Added individual STLs for each part.