File:Lacrosse5 brightprofile.jpg
Size of this preview: 578 × 599 pixels. Other resolutions: 231 × 240 pixels | 463 × 480 pixels | 893 × 926 pixels.
Original file (893 × 926 pixels, file size: 329 KB, MIME type: image/jpeg)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
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
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
File history
Click on a date/time to view the file as it appeared at that time.
| 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 |
File usage
The following page uses this file:
