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DavidSAstro

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Everything posted by DavidSAstro

  1. Hi all and thanks for this conversation above and it sounds like ASTAP will assist me in assessing a new dark sky site our society is about to establish and I wanted to leverage the thinkings and learnings here. The site we are looking at is reported at 21.99 from 2015 data and in a visit in two weeks time I wish to validate that and ASTAP measurements appears a good way to go. We will have 5 scopes on site with differing focal lengths and qualities ( Tak , Tele Vue, SCTs etc). The discussion above leads me to understand that ASTAP basically compares star light measurements against background measurements and then against the ASTAP DB for normalisation to produce its measurement. I would still imagine moon glow would be an issue ( we are going when 4%) and better measurement will happen at zenith. Focal length wouldn’t be an issue due to the comparative nature of the calculation and the normalisation. Is there anything I’m missing or are there any additional particular points that people would recommend in our considerations / planning? David
  2. Hi there. IThink this would be a great contribution of you can get this up. Three are many pieces of software it there which would then become available to many people
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