今日有巨大太陽黑子群居日中
The Sun, 2015/08/24, HKT : 10h23m,
Telescope: Astro Physics, Star 12 ED, D=12cm, F.L.=102cm, Prime Focus, Thousand Oaks Glass solar filter ND5.Losmandy G-11 Equatorial Mount with motor drive. Canon EOS 300D camera, ISO 100, 1/4000 sec exposure. Atmospheric Transparent : 5/10, Seeing : 6/10. Wavelet and gamma processed by Registax, Taken at Kennedy Town, Hong Kong. Equipment borrowed from H.C.Ng.
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