中国纪念碑
发表于 2025-3-26 23:43:28
nded section on solar observing with H-alpha light, and new .Although astronomical CCD cameras can be very costly, digital cameras – the kind you use on holiday – on the other hand, are relatively inexpensive. Moreover, their technology – especially thermal noise, sensitivity (ISO number) and resolu
JIBE
发表于 2025-3-27 04:21:51
nded section on solar observing with H-alpha light, and new .Although astronomical CCD cameras can be very costly, digital cameras – the kind you use on holiday – on the other hand, are relatively inexpensive. Moreover, their technology – especially thermal noise, sensitivity (ISO number) and resolu
错事
发表于 2025-3-27 06:36:55
nded section on solar observing with H-alpha light, and new .Although astronomical CCD cameras can be very costly, digital cameras – the kind you use on holiday – on the other hand, are relatively inexpensive. Moreover, their technology – especially thermal noise, sensitivity (ISO number) and resolu
Tempor
发表于 2025-3-27 12:52:16
nded section on solar observing with H-alpha light, and new .Although astronomical CCD cameras can be very costly, digital cameras – the kind you use on holiday – on the other hand, are relatively inexpensive. Moreover, their technology – especially thermal noise, sensitivity (ISO number) and resolu
努力赶上
发表于 2025-3-27 15:49:24
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Offbeat
发表于 2025-3-27 21:09:43
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