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Rob Pettengill’s not so bad Astrophotography & Astronomy Austin Texas
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Category Archives: Astrophoto
All Sky Plate Solver
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Source: All Sky Plate Solver
Nikon D810A – Home
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Nikon D810A – Shooting Guide New Frontiers in Astrophotography
Source: Nikon D810A – Home
庭先天体写真家？
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Source: 庭先天体写真家？
PixInsight BatchPreprocessing | Trapped Photons
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aloha’s photo log: D810A numbers
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Source: aloha’s photo log: D810A numbers
D810A numbers
Equivalent dark current at 30 deg C ambient: 0.217 e-/sec
gain_R = ISO * 0.001643
gain_G = ISO * 0.002703
gain_B = ISO * 0.003450
gain in unit of ADU/e-
(for reference, D800 gain = ISO * 0.002964, same for R/G/B)
read noise in e-
ISO 200: 4.477
ISO 400: 3.997
ISO 800: 3.207
ISO 1600: 2.813
ISO 3200: 2.397
Lost infinity – Reaching for the stars
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Leo Triplet with DSLR – Processing Examples – PixInsight Resources
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Postprocessing example of Leo Triplet with PixInsight
Source: Leo Triplet with DSLR – Processing Examples – PixInsight Resources
PixInsight Resources
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PixInsight video tutorials, processing examples, and resources. User interface, tools and process.
Source: PixInsight Resources
等到頸長,終於可以出洞 😎
今年天氣差得很, 我們終於可以吹雞聚一聚, 今晚實在很開心, 估唔到羅記咁後生都咁孱, 一落車就脚指抽筋 🙈, 成晚霸住將軍張天皇櫈 😅, 攪到將軍想坐又唔好意思出聲 😂 , 不過羅記帶了4寸反射, 大家都可以一賞各深空。
每次有基基就有靚靚團體相 😎 照片鳴謝基基 🙏
