File:Tangent arc over San Francisco Bay.jpg

Original file (4,487 × 3,037 pixels, file size: 2.11 MB, MIME type: image/jpeg)

Summary

Description
English: Photo of the rare atmospheric phenomenon known as an upper tangent arc, caused by sunlight refracting through ice crystals in the upper atmosphere. Taken from the Berkeley hills looking westward over San Francisco Bay and Marin County on April 9, 2023.
Date
Source Own work
Author Jackanape2

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w:en:Creative Commons
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Captions

An upper tangent arc appearing above San Francisco Bay and Marin County in California, at sunset on April 9, 2023.

Items portrayed in this file

depicts

Tangent arc

creator

some value

author name string: Jackanape2
Wikimedia username: Jackanape2

copyright status

copyrighted

copyright license

Creative Commons Attribution-ShareAlike 4.0 International

source of file

original creation by uploader

inception

9 April 2023

captured with

Canon PowerShot SX700 HS

exposure time

0.004 second

f-number

4

focal length

4.5 millimetre

ISO speed

100

media type

image/jpeg

instance of

photograph

File history

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Date/TimeThumbnailDimensionsUserComment
current19:33, 16 April 2023Thumbnail for version as of 19:33, 16 April 20234,487 × 3,037 (2.11 MB)Jackanape2Uploaded own work with UploadWizard

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