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    Dr. Alexandre Santerne 🌍 (alexsanterne@astrodon.social)'s status on Sunday, 18-Dec-2022 23:45:43 JSTDr. Alexandre Santerne 🌍Dr. Alexandre Santerne 🌍
    in reply to

    7️⃣
    Long time ago, when we were shooting with film camera, it was so difficult. We were doing just one long-exposure. We had to balance between film sensitivity, focal ratio of the lens and star trail span.

    Here is a star trail I did in 2005 with a film camera over 2 hours at 200ISO and f/11. ?

    In conversationSunday, 18-Dec-2022 23:45:43 JST from gnusocial.jppermalink

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    1. https://cdn.masto.host/astrodonsocial/media_attachments/files/109/535/037/098/331/713/original/e59beaf640b333e2.jpeg
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