Contains: Extremely wide field
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Milkyway

Technical card

Imaging telescope or lens: Canon EF 100 1:2.8 L IS USM Macro

Imaging camera: Canon EOS 5D Mark III

Mount: AstroTrac TT320X-AG

Software: Theli

Resolution: 10105x6737

Dates: July 18, 2012July 23, 2012July 24, 2012Aug. 9, 2012Aug. 11, 2012Aug. 12, 2012Aug. 13, 2012Aug. 14, 2012Aug. 17, 2012Aug. 19, 2012April 14, 2013April 16, 2013May 15, 2013June 13, 2013

Frames:
33x120" ISO1600
789x120" ISO400

Integration: 27.4 hours

Flats: ~16

Bias: ~16

Avg. Moon age: 15.04 days

Avg. Moon phase: 20.42%

Bortle Dark-Sky Scale: 5.00

Astrometry.net job: 85595

Locations: 11°59'14"E 47°50'40"N, Bad Aibling, Bayern, Germany

Description

Milkyway wide field mosaic, taken between July 2012 and June 2013

This is a high resolution image (30 arcsec per pixel), remember to select "View -> Full resolution" to see all the details.

The earth panorama was taken in a moonless night from the same location as the sky frames, and mounted as seen from 47°50' latitude at 17:30 sidereal time.

Lens aperture was f/4

I used an Arduino based selfmade controler for triggering the DSLR and slowing down the AstroTrac via the guider port between frames to get a bit of dithering.

All the equipment needed (plus sleeping bag) fits into a backpack. I go to the imaging location by bike :-)

Comments

Author

Wolfgang Hoffmann
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Milkyway, Wolfgang Hoffmann