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| Object: | Filter Test | Date: | Instrument: | C9.25 SCT | Camera: | SXV-H9 | Exposure: | Filters: | IR-pass, Astromonik Ha and OIII | Comments: | A test to see which filter produced the highest resolution image. | IR-pass was a couple of layers of exposed film. The OIII filter didn't produce a very bright image. I prefer the IR-pass, with the Ha a close second. | ||
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