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Longest known exposure photograph ever captured using a beer can

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BravoV:


...  arced trails of the sun, as it rose and fell .. for eight years and one month ...

-> Longest known exposure photograph ever captured using a beer can at the University of Hertfordshire’s Bayfordbury Observatory

Refrigerator:
I'm impressed that nobody touched or bumped the beer can in that time.
Imagine trying to replicate something like this and even if you put cages and massive signs saying to not touch the can someone would still definitely touch it.   :P

StillTrying:
I'm finding the details of that hard to believe. :-\

https://www.nationalgeographic.co.uk/photography/2020/12/longest-known-exposure-taken-by-makeshift-camera-forgotten-inside-uk-telescope

https://petapixel.com/2020/12/11/shot-with-a-beer-can-this-is-likely-the-longest-exposure-photo-ever-captured/

https://twitter.com/BayfordburyObs/status/1337007928499466241

BravoV:

--- Quote from: StillTrying on December 15, 2020, 01:36:01 pm ---I'm finding the details of that hard to believe. :-\

--- End quote ---

Well, at least you can prove/dis-prove it yourself relative easily and cheap ?  :-//

GlennSprigg:
'Technology' as per se is not needed to grasp the Basics of photography. It's more like basic electrical!!!
Amps volts ohms watts as opposed to aperture stops, time, film/sensor sensitivity and depth of field etc...
The Basics can be demonstrated with an extremely simple 'pin-hole' camera, made for nothing!! (Oh the memories!).

I used to have a commercial/wedding photographic business, (with my own dark-rooms etc) and when my kids were
starting high-school, the school asked me to run some classes for the interested 'Wipper-snappers'. (Young kids, or
 'Carpet-Commandos') on photography. I had made up a 10 page document with words & pics for each kid, to accompany
the talks I would give them, including blackboard diagrams/info, and lots of hands-on equipment... About 2 hours into it,
a kid put up his hand and said... "Mr. Sprigg, I don't understand what you are talking about!"... So I reverted to the most
basic of descriptions, and fabricated pin-hole cameras with them. I'd set up a small store room as a dark-room, and blacked
it out. After taking 'shots' outside, we developed them, and made B&W prints in the dark-room. I don't know what they
really understood, but they took home real prints that they had made! Maybe it instilled some to learn more!!...   8)

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