File:Lacrosse5 brightprofile.jpg
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Summary
| Description |
English: Lacrosse 5 (05-016A) brightness profile derived from two pass photographs, showing the sudden "dip" in brightness known as the "disappearance trick". These images and the derived graph were made by amateur observer Marco Langbroek from a temporary location at Almere, the Netherlands, in the evening of 26 September 2009. Camera: Canon EOS 450D @ 800 ISO + EF 50/2.5 Macro lens @ F2.8, 10.05s exposures. |
| Date | |
| Source | Own work |
| Author | Marco Langbroek |
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:42, 29 September 2009 | | 893 × 926 (329 KB) | Marcoaliaslama | {{Information |Description={{en|1=Lacrosse 5 (05-016A) brightness profile derived from two pass photographs, showing the sudden "dip" in brightness known as the "disappearance trick". These images and the derived graph were made by amateur observer Marco |
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