Fluidr / A Faint Gegenschein by lrargerich

Look at the bright star near the left border of the photo: Spica. From a distance you will see a brightening around this star.

This brightening is the Gegenschein, sunlit scattered by interplanetary dust at the antisolar point.

The Gegenschein is really difficult to spot, you need a clear moonless night and the help of a camera, in my photo battling some light pollution it is faintly visible.

Knowing that the antisolar point was near Spica at the time the photo was taken helped a lot.

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This photo was taken in: Argentina > Buenos Aires > Punta Indio >

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Make:	Canon
Model:	Canon EOS 6D
Exposure:	83
Aperture:	f/5.6
ISO Speed:	6400
Focal Length:	15 mm
Lens:	15mm

IFD0

Image Width:	3648
Image Height:	5472
Bits Per Sample:	16 16 16
Compression:	Uncompressed
Photometric Interpretation:	RGB
Make:	Canon
Model:	Canon EOS 6D
Orientation:	Horizontal (normal)
Samples Per Pixel:	3
X-Resolution:	300 dpi
Y-Resolution:	300 dpi
Planar Configuration:	Chunky
Resolution Unit:	inches
Software:	Adobe Photoshop CS5.1 Windows
Date and Time (Modified):	2013:05:31 15:16:49
Artist:	Luis Argerich
YCbCr Positioning:	Centered

ExifIFD

Exposure:	83
Aperture:	f/5.6
Exposure Program:	Bulb
ISO Speed:	6400
Sensitivity Type:	Recommended Exposure Index
Recommended Exposure Index:	6400
Exif Version:	0230
Date and Time (Original):	2013:05:12 02:30:11
Date and Time (Digitized):	2013:05:12 02:30:11
Components Configuration:	Y, Cb, Cr, -
Exposure Bias:	0 EV
Metering Mode:	Multi-segment
Flash:	Off, Did not fire
Focal Length:	15 mm
Sub Sec Time:	66
Sub Sec Time Original:	66
Sub Sec Time Digitized:	66
Flashpix Version:	0100
Color Space:	sRGB
Focal Plane X-Resolution:	3810.584958 dpi
Focal Plane Y-Resolution:	3815.899582 dpi
Focal Plane Resolution Unit:	inches
Custom Rendered:	Normal
Exposure Mode:	Auto
White Balance:	Auto
Scene Capture Type:	Standard
Lens Info:	15mm f/0
Lens Model:	15mm
Lens Serial Number:	0000000000

InteropIFD

Interop Index:	R98 - DCF basic file (sRGB)
Interop Version:	0100

GPS

GPS Version ID:	2.3.0.0
GPS Latitude Ref:	South
GPS Latitude:	35 deg 23' 46.16" S
GPS Longitude Ref:	West
GPS Longitude:	57 deg 8' 51.08" W
GPS Altitude Ref:	Above Sea Level
GPS Altitude:	3.7 m
GPS Time Stamp:	05:29:47
GPS Satellites:	10
GPS Status:	Measurement Active
GPS Measure Mode:	3-Dimensional Measurement
GPS DOP:	0.4
GPS Map Datum:	WGS-84
GPS Date Stamp:	2013:05:12

IPTC

Coded Character Set:	UTF8
Envelope Record Version:	4
Application Record Version:	41
Date Created:	2013:05:12
Time Created:	02:30:11+00:00
By-line:	Luis Argerich

Photoshop

Global Angle:	30
Global Altitude:	30
IPTCDigest:	236af109e61df952f5a90ded71c3ce97

XMP-x

XMPToolkit:

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2010/12/07-10:57:01

XMP-aux

Lens:

15mm

XMP-dc

Creator:	Luis Argerich
Format:	image/jpeg

XMP-exifEX

Serial Number:	032024000143
Lens Serial Number:	0000000000
Lens Info:	15mm f/?

XMP-photoshop

Color Mode:	RGB
ICCProfile Name:	sRGB IEC61966-2.1
Legacy IPTCDigest:	3563BB6FE969653A173950344D155D9E

XMP-xmp

Creator Tool:	Adobe Photoshop CS5.1 Windows
Metadata Date:	2013:05:31 15:16:49-03:00
Rating:	0

XMP-xmpMM

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