{"id":1823,"date":"2024-01-07T17:54:14","date_gmt":"2024-01-07T16:54:14","guid":{"rendered":"https:\/\/vincenzodellavecchia.it\/?page_id=1823"},"modified":"2024-01-28T17:34:49","modified_gmt":"2024-01-28T16:34:49","slug":"clavius","status":"publish","type":"page","link":"https:\/\/vincenzodellavecchia.it\/en_us\/lunar\/clavius\/","title":{"rendered":"Clavius"},"content":{"rendered":"

\n

Clavius \u00e8 il secondo cratere, per dimensioni, sulla faccia visibile della Luna (il primo \u00e8 Bailly<\/a>). Intitolato da Riccoli al suo amico Christoph Klau (latinizzato Clavius), che fece parte della commissione che ide\u00f2 il Calendario Gregoriano, Clavius \u00e8 una notevole formazione telescopica. Il centro \u00e8 occupato da una caratteristica catena di sei crateri, disposti ad arco e di dimensioni quasi esattamente decrescenti da E ad W. Clavius \u00e8 un cratere vecchio, come dimostra l’erosione delle pareti, e la sua et\u00e0 \u00e8 stimata pari a poco meno di 4 miliardi di anni.
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(ENG) Clavius \u200b\u200b\u200b\u200bis the second largest crater on the visible face of the Moon (the first being Bailly<\/a>). Named by Riccioli after his friend Christophorus Clavius, who was part of the commission that created the Gregorian Calendar, Clavius it is a remarkable telescopic formation. In the central area there’s a chain of six craters, arranged into an arc, and decreasing in size almost exactly from E to W. Clavius \u200b\u200b\u200b\u200bis an old crater, as indicated by the erosion of the walls, and its age is estimated to be around 4 billion years.<\/i><\/p>\n<\/div><\/div><\/div><\/div><\/div>

<\/div><\/div><\/span>

Clavius and Blancanus<\/h2><\/span>
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Clavius \u200b\u200b\u200b\u200b(al centro) e Blancanus (in alto) sotto alti angoli di illuminazione solare (fase all’87%). Nonostante le condizioni di luce sfavorevoli, il Cassegrain ha registrato qui alcuni dettagli decisamente difficili, come i craterini e le rime nei pressi della parete Est. Ho usato un filtro Blu vista la buona stabilit\u00e0 atmosferica e l’altitudine molto elevata della Luna (70\u00b0).<\/p>\n

(ENG) Clavius (center) and Blancanus (top) under high angles of solar illumination (phase at 87%). Despite the unfavorable light conditions, a number of difficult details have been recorded here by the Cassegrain, like the rills and the craterlets close to the eastern wall. I’ve been pushed to use a B filter due to good atmispheric stability and the very high altitude of the Moon (70\u00b0).<\/i><\/p><\/p>\n<\/div><\/div><\/div>

\"Clavius<\/a><\/span><\/div>

March 14, 2022 (South up)
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Technical data<\/strong><\/h5>\n

CFF 30 cm f\/20 Classical Cassegrain \u2666 AS178MM \u2666 Astronomik B filter<\/p>\n

<\/h6>\n<\/div><\/div><\/div><\/div><\/div>
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<\/div><\/div><\/span>

Long shadows on Clavius and Moretus <\/h2><\/span>
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Clavius e Moretus in condizioni di luce radente offrono un’affascinante veduta lunare.
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(ENG) Clavius and Moretus under low illumination offer a very fascinating lunar view. <\/i><\/p>\n<\/div><\/div><\/div>

<\/a><\/span><\/div>

August 11, 2020 (South-East up)
\n<\/i><\/b><\/p>\n

Technical data<\/strong><\/h5>\n

CFF 30 cm f\/20 Classical Cassegrain \u2666 ASI290MM \u2666 Astronomik R filter<\/p>\n

<\/h6>\n<\/div><\/div><\/div><\/div><\/div>
<\/div><\/div><\/div><\/div><\/div><\/div>
<\/div><\/div><\/span>

Clavius in high-resolution<\/h2><\/span>
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Veduta in alta risoluzione, in luce blu, con la Luna illuminata circa al 75%.
\n<\/span><\/p>\n

(ENG) An high resolution view, in blue light, with Moon about 75% illuminated. <\/i><\/p>\n<\/div><\/div><\/div>

<\/a><\/span><\/div>

March 16, 2019 (South up)
\n<\/i><\/b><\/p>\n

Technical data<\/strong><\/h5>\n

C8EdgeHD \u2666 AS178MM \u2666 Celestron Barlow 2x \u2666 Astronomik B filter<\/p>\n

<\/h6>\n<\/div><\/div><\/div><\/div><\/div>
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