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Under Bortle 7/8 skies in Sydney my ZWO 2600MC ( with its UV/IR cut internal protective window ) provides great RGB colour on broadband targets (eg: Trifid Nebula and most Galaxies ) during new Moon periods. It’s just all the LP gradient you have to deal with but Startools does a great job in that area.I don’t both with Broadband targets when the moon is up and growing ,I break out the Antlia ALPT.
I think any filter you use to suppress LP and/or moon glare is going to have some negative affect on true RGB broadband spectrum
This new Antlia RGB may have found the holy grail of OSC Broadband filters ?
The relatively new Antlia ALPT Dualband OSC filter is a real winner compared to others Ive used like ZWO , L Enhance , L Extreme, I love it . I’ve yet to see a thorough report on the 3nm L Ultimate ?
Cheers
M.
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