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Titlebook: Astronomical Equipment for Amateurs; Martin Mobberley Book 1999 Springer-Verlag London 1999 Astrometry.CCD.Observatories.astronomy.instrum

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樓主: Inveigle
41#
發(fā)表于 2025-3-28 18:37:11 | 只看該作者
https://doi.org/10.1007/978-3-642-52368-7exposures from 0.1 to 2 seconds, with an image scale of around 0.2”/pixel for 30-40 cm apertures. Nevertheless, amateur astronomers have successfully employed CCD cameras working at video frame rates to record the Moon and planets and even some of the brighter stars.
42#
發(fā)表于 2025-3-28 21:19:29 | 只看該作者
43#
發(fā)表于 2025-3-28 23:51:37 | 只看該作者
Video Astronomy,exposures from 0.1 to 2 seconds, with an image scale of around 0.2”/pixel for 30-40 cm apertures. Nevertheless, amateur astronomers have successfully employed CCD cameras working at video frame rates to record the Moon and planets and even some of the brighter stars.
44#
發(fā)表于 2025-3-29 05:10:28 | 只看該作者
45#
發(fā)表于 2025-3-29 07:40:51 | 只看該作者
46#
發(fā)表于 2025-3-29 11:52:51 | 只看該作者
G. Taylore except for time in school) on some electronic communication device (smart phone, computer, television, etc.) (Rideout, Foehr, & Roberts, 2010). Korean tech-sawy young people spend 14 hours a day, according to the National Internet Development Agency of Korea’s 2008 Survey on computer and Internet
47#
發(fā)表于 2025-3-29 15:55:05 | 只看該作者
How Does Accounting Play a Role in Islamic Microfinance and Islamic Wealth Management Practices? Cas8 from Indonesia, 50 from Pakistan and 12 from Egypt. Overall, participants‘ knowledge of accounting and finance in the three countries is quite similar which is still relatively low. Yet they show a strong interest in adopting simple wealth management practices starting with recording their busines
48#
發(fā)表于 2025-3-29 23:17:15 | 只看該作者
49#
發(fā)表于 2025-3-30 03:27:11 | 只看該作者
50#
發(fā)表于 2025-3-30 06:28:44 | 只看該作者
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