Circumscribed Arc, with superior Tangent Arc (astronomy clouds rainbow ). Photo by algoressister
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Circumscribed Arc, with superior Tangent Arc

Uploaded by: algoressister

Wednesday March 13, 2013

North Bend, OR (Current Weather Conditions)

Caption: I don't think this is a "Halo" proper, but a circle shaped circumscribed arc. A halo tends to have lateral brightness, and this one lacks that. There is a pronounced Corona, and some Cloud iridescence... I am hoping this is a good sign for sunset!

Manufacturer: FUJIFILM

Model: FinePix S3300

x-Resolution: 72.00

y-Resolution: 72.00

Resolution Unit: Inch

Software: Digital Camera FinePix S3300 Ver1.01

Artist: Picasa

YCbCr Positioning: co-sited

Copyright: [None] (Photographer) - (Editor)

PRINT Image Matching: 28 bytes undefined data

Compression: JPEG compression

Exposure Time: 1/1200 sec.

FNumber: f/8.0

Exposure Program: Normal program

ISO Speed Ratings: 64

Exif Version: Unknown Exif Version

Components Configuration: Y Cb Cr -

Compressed Bits per Pixel: 2.00

Shutter speed: 10.20 EV (APEX: 34, 1/1176 sec.)

Aperture: 6.00 EV (f/8.0)

Brightness: 11.87 EV (12824.67 cd/m^2)

Exposure Bias: 0.00 EV

MaxApertureValue: 3.26 EV (f/3.1)

Metering Mode: Pattern

Light Source: 0

Flash: Flash did not fire, compulsory flash mode.

Focal Length: 4.3 mm

FlashPixVersion: FlashPix Version 1.0

Color Space: sRGB

PixelXDimension: 1024

PixelYDimension: 929

Focal Plane x-Resolution: 6992.00

Focal Plane y-Resolution: 6992.00

Focal Plane Resolution Unit: Centimeter

Sensing Method: One-chip color area sensor

File Source: DSC

Scene Type: 1

Custom Rendered: Normal process

Exposure Mode: Auto exposure

White Balance: Auto white balance

Scene Capture Type: Standard

Sharpness: Normal

Subject Distance Range: Unknown

Image Unique ID: 9bd61b893c3e6357c2fe07cb9af979a8

InteroperabilityIndex: R98

InteroperabilityVersion: 0100

RelatedImageWidth: 4288

RelatedImageLength: 3216

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Display: 50, 100, 200 Sort: Newest First - Order Posted
2. Kajzar
10:52 PM GMT on March 15, 2013
Beautiful!
Action: Quote | Ignore User
Member Since: January 18, 2009 Comments: 4301
1. vanpet
6:20 AM GMT on March 15, 2013
There looks like maybe an upper tangent arc or a parry arc as well. I included a website that is awesome when it comes to atmospheric optics.
Link
Nice shot! Vanpet
Action: Quote | Ignore User
Member Since: January 29, 2009 Comments: 243

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