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About Topographic

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    Astrophotography, music, garden
  • Location
    Tarn et Garonne, France
  1. Quick example of Optolong L-eNhance image. Cygnus Loop, RASA8/Zwo ASI071MC Pro. 158 x 40" Gain 95, 80% Moon My reason for using the filter is just for Moon compromised nights as I am in Bortle 3 and get great definition and colour with an OSC. This was developed in StarTools using 3 channels in the Compose mode and RGB:RGB preset 'colour' with minor adjustment.
  2. The 2" filter slider replaces the 21 mm T2-M42 extender between camera and OAG/16.5 mm extender.
  3. This adapter comes with some of the cameras, ASI183MC in my case, I think it is those with smaller chips.
  4. I prefer not to have to buy another flattener. But may have to.
  5. The question for me though is, can you get focus with the skywatcher flattener and ZWO (or other) ccd/cmos cameras?
  6. Looking at the entry for the rotator at First Light Optics it is "Only fully compatible with the Evostar-72ED OTA (shortened tube version) shipped from December 2019. Earlier versions of the telescope may not reach focus with some cameras when using the rotator." Do we know which cameras, or which makes of camera? I can't find anything about a new version?
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