兩個天文台 - 白鷺湖天文台、西藏自動化天文觀測站 主鏡 - Officina Stellare 500 口徑f3.8 RiFast攝星儀、APM/TMB 254 f9 APO、SkyWatcher Dob 18、305 f8.5 牛頓鏡、Paramount ME 赤道儀 配件 - 2 full sets of Supermonocentrics、Baader Mark V Binoviewer、Ethos、Canon 5D Mark II Mod、FLI Proline 16803冷凍相機、Mercedes SUV 星河科研社 http://www.astro.hk 電郵 saviofong@astro.hk
兩個天文台 - 白鷺湖天文台、西藏自動化天文觀測站 主鏡 - Officina Stellare 500 口徑f3.8 RiFast攝星儀、APM/TMB 254 f9 APO、SkyWatcher Dob 18、305 f8.5 牛頓鏡、Paramount ME 赤道儀 配件 - 2 full sets of Supermonocentrics、Baader Mark V Binoviewer、Ethos、Canon 5D Mark II Mod、FLI Proline 16803冷凍相機、Mercedes SUV 星河科研社 http://www.astro.hk 電郵 saviofong@astro.hk
It is a nice solar image. There are very little tricks involved in solar imaging and anyone can do it. I am not that surprised by the result, but I can imagine the joy that Steven may have after producing such image!
APM 80/480, SW 120mm Equinox, C8, Obsession 18"UC with Argo Navis & StellarCat Lunt LS60T/CaK, LS152T with DSII DMK31AF03, DMK21AF04, DBK21AF04 Mark V Binoviewer, Ethos (3.7mm, 6mm, 13mm), 19mm Panoptic, 5mm TMB mono http://www.imsc.edu.hk/pages/astronomy
definitely not, as we tested against my LS75F unobstructed version which is 0.65A. We all agree the bandwidth of LS80T, at least the 2 we receive, is somewhat wider, but still below 0.7A.
but one thing for sure, we all agree there is no need to double stack it.
兩個天文台 - 白鷺湖天文台、西藏自動化天文觀測站 主鏡 - Officina Stellare 500 口徑f3.8 RiFast攝星儀、APM/TMB 254 f9 APO、SkyWatcher Dob 18、305 f8.5 牛頓鏡、Paramount ME 赤道儀 配件 - 2 full sets of Supermonocentrics、Baader Mark V Binoviewer、Ethos、Canon 5D Mark II Mod、FLI Proline 16803冷凍相機、Mercedes SUV 星河科研社 http://www.astro.hk 電郵 saviofong@astro.hk
兩個天文台 - 白鷺湖天文台、西藏自動化天文觀測站 主鏡 - Officina Stellare 500 口徑f3.8 RiFast攝星儀、APM/TMB 254 f9 APO、SkyWatcher Dob 18、305 f8.5 牛頓鏡、Paramount ME 赤道儀 配件 - 2 full sets of Supermonocentrics、Baader Mark V Binoviewer、Ethos、Canon 5D Mark II Mod、FLI Proline 16803冷凍相機、Mercedes SUV 星河科研社 http://www.astro.hk 電郵 saviofong@astro.hk