標(biāo)題: Titlebook: Astronomical Equipment for Amateurs; Martin Mobberley Book 1999 Springer-Verlag London 1999 Astrometry.CCD.Observatories.astronomy.instrum [打印本頁] 作者: Inveigle 時間: 2025-3-21 18:24
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作者: alleviate 時間: 2025-3-21 20:21 作者: 香料 時間: 2025-3-22 03:40 作者: 邪惡的你 時間: 2025-3-22 05:02 作者: Intend 時間: 2025-3-22 11:28
Equipment for Observing the sun,e precautions required for using electricity in damp conditions, and being aware of the dangers that the unseen tree-branch can pose. However, if there is one field of observation where caution is always necessary, it is in the field of solar observation. Looking at the Sun through any telescope, wi作者: Palter 時間: 2025-3-22 15:03 作者: Ingenuity 時間: 2025-3-22 19:27
Eyepieces, you get with that?”. Photographs of the Moon produce the same response. If I’m in a picky mood, my unhelpful response might be, “Well… that crater is about sixty miles across and it’s only an inch across on the print, so it’s a . and not a magnification”作者: Biomarker 時間: 2025-3-22 21:21 作者: Ornament 時間: 2025-3-23 03:32 作者: Exclude 時間: 2025-3-23 06:36
Beitr?ge zur Graphischen Datenverarbeitungdetermined by the number and size of light-sensitive elements contained along the length and the width of the device. These light-sensitive elements are actually Metal-Oxide-Semiconductor (MOS) capacitors which are transparent to light. In an amateur CCD camera there are, typically, a few hundred MO作者: hangdog 時間: 2025-3-23 11:45 作者: 克制 時間: 2025-3-23 16:26 作者: BLANC 時間: 2025-3-23 21:38 作者: lethargy 時間: 2025-3-23 22:51
Fraktale Geometrie — Eine Einführungoney for a year, I could just afford a 60 mm refractor! Saving my pocket money for more than a year was beyond my comprehension and a 60 mm refractor was, to me, a dream telescope, sitting in the window of the local photographic store. To non-astronomers, a telescope . a refractor!作者: 無能性 時間: 2025-3-24 04:36
Die Geschichte der , in Frankreich you get with that?”. Photographs of the Moon produce the same response. If I’m in a picky mood, my unhelpful response might be, “Well… that crater is about sixty miles across and it’s only an inch across on the print, so it’s a . and not a magnification”作者: 同步信息 時間: 2025-3-24 07:07
Die Geschichte der , in FrankreichRefracting telescopes (“refractors”) focus light by using a lens (or “object glass”, or “objective”) as shown in Figure 2.1.作者: 翻動 時間: 2025-3-24 11:58
Hervé Marchal,Jean-Marc Stébé,Marc BertierSchmidt-Cassegrains are often referred to as ., a term applied to telescopes which use a mixture of mirrors and lenses to form the image at the focal plane.作者: 相反放置 時間: 2025-3-24 17:53
Achtung! ?Sensible Urbane Zone“To most beginners in Astronomy, binoculars seem at first to be of very limited use. Surely a telescope is what is required to enjoy astronomy or do useful scientific work? Nothing could be further from the truth.作者: Tempor 時間: 2025-3-24 22:40 作者: podiatrist 時間: 2025-3-25 01:43 作者: 壓倒 時間: 2025-3-25 04:18
https://doi.org/10.1007/978-3-642-52368-7In the preceding chapter I talked about various image-processing . Of course, not all of these features are available with every software package. The purchaser of a CCD camera soon finds out that the software that comes with the camera does not necessarily come with the routines that he or she wants.作者: acclimate 時間: 2025-3-25 09:40
Dezentralisierung der Verantwortung,An observatory may, to the beginner, seem like a secondary issue when contemplating the purchase of a modest telescope. Admittedly, a small telescope such as a 75 mm refractor or 150 mm reflector can be hauled out of the house whenever the clouds part, but lugging anything bigger outside can be a major effort.作者: gusher 時間: 2025-3-25 14:06 作者: Boycott 時間: 2025-3-25 16:11
Refractors and Reflectors,Refracting telescopes (“refractors”) focus light by using a lens (or “object glass”, or “objective”) as shown in Figure 2.1.作者: 小母馬 時間: 2025-3-25 23:22 作者: GEN 時間: 2025-3-26 01:39
Binoculars,To most beginners in Astronomy, binoculars seem at first to be of very limited use. Surely a telescope is what is required to enjoy astronomy or do useful scientific work? Nothing could be further from the truth.作者: climax 時間: 2025-3-26 04:57
Telescope Mountings,Most amateur astronomers buy their telescopes as a complete package, that is, the optics, tube, equatorial mounting and tripod are purchased as a working system.作者: 反省 時間: 2025-3-26 11:50 作者: 完整 時間: 2025-3-26 14:09
Image Processing, Planetarium and Telescope Control Software,In the preceding chapter I talked about various image-processing . Of course, not all of these features are available with every software package. The purchaser of a CCD camera soon finds out that the software that comes with the camera does not necessarily come with the routines that he or she wants.作者: 平 時間: 2025-3-26 20:19
Observatories,An observatory may, to the beginner, seem like a secondary issue when contemplating the purchase of a modest telescope. Admittedly, a small telescope such as a 75 mm refractor or 150 mm reflector can be hauled out of the house whenever the clouds part, but lugging anything bigger outside can be a major effort.作者: Original 時間: 2025-3-26 21:10
Star Atlases and Deep Sky Atlases,It might be thought, in this computerised multimedia age, that the traditional star atlas was a thing of the past. However, I am pleased to report that this is not the case. Despite the advances in PC monitor resolution and performance of recent years, everyone agrees there is still no substitute for the traditional paper book or star atlas.作者: 狗窩 時間: 2025-3-27 03:45 作者: Cuisine 時間: 2025-3-27 08:50
978-1-85233-019-4Springer-Verlag London 1999作者: incisive 時間: 2025-3-27 12:51 作者: aristocracy 時間: 2025-3-27 14:43
The Patrick Moore Practical Astronomy Serieshttp://image.papertrans.cn/b/image/163593.jpg作者: CLASP 時間: 2025-3-27 18:36 作者: Fibrillation 時間: 2025-3-28 01:23
Electronic Imaging and the Electronics Revolution,S capacitors along the length and the width of the CCD chip. Thus, there are over one hundred thousand MOS capacitors on every CCD. Each capacitor corresponds to a single pixel in the final image seen on the computer monitor.作者: Grandstand 時間: 2025-3-28 06:01
Book 1999with the use of filters, (colour, anti-pollution and nebula), types of photography (piggy-back, prime focus and eyepiece projection), and also CCD imaging (including types of CCD camera and their advantages and disadvantages compared to photography). Martin Mobberley provides a fascinating insight into astronomical software.作者: 緊張過度 時間: 2025-3-28 07:03
Beitr?ge zur Graphischen DatenverarbeitungS capacitors along the length and the width of the CCD chip. Thus, there are over one hundred thousand MOS capacitors on every CCD. Each capacitor corresponds to a single pixel in the final image seen on the computer monitor.作者: 使成核 時間: 2025-3-28 12:52
1431-9756 available items..Ideal for newcomers as well as experienced Telescopes - refractors and reflectors - are the main items of equipment used by almost every amateur astronomer. The purpose of astronomical telescopes is to collect and focus more light than the human eye can, forming an image that can be作者: Lethargic 時間: 2025-3-28 18:37
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.作者: 永久 時間: 2025-3-28 21:19 作者: 加入 時間: 2025-3-28 23:51
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.作者: Ringworm 時間: 2025-3-29 05:10 作者: 藐視 時間: 2025-3-29 07:40 作者: 自負(fù)的人 時間: 2025-3-29 11:52
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 作者: 縱欲 時間: 2025-3-29 15:55
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作者: 多骨 時間: 2025-3-29 23:17 作者: LINE 時間: 2025-3-30 03:27 作者: 自戀 時間: 2025-3-30 06:28
