high resolution imaging of mutual events
DESCRIPTION
1. Potentials of amateur high resolution imaging Willem Kivits: 20 inch Newtonian John Sussenbach: C14TRANSCRIPT
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High resolution imaging of mutual events of the Galilean moons 2014/2015
John Sussenbach en Willem Kivits
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1. Potentials of amateur high resolution imaging
Willem Kivits: 20 inch Newtonian John Sussenbach: C14
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Imaging with the C14 and ASI224MC camera
High resolution imaging today
”
WK JS
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1.15” 0.99” 1.67” 1.52”
Comparing the big Jovian moons with the Earth-Moon system
Io Europa Ganymede Callisto
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Ganymede Io Europa
Triple shadow transit 12 October 2013
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1.Capturing the avi’s
-Telescopes: C14 f/25 - f/40 (JS and WK) Newtonian 12-20 inch (WK)
- Camera’s: QHY5LII (CMOS) DMK618 (Sony ICX618 chip)
- Filters: 610, 685 and 807 LP nm
- Capturing: 6000 frames (60 sec at 100 fps)
Procedures
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2. Processing of the avi’s
- centering with PIPP (https:// sites.google.com/site/astropipp )
- preprocessing with Photoshop
- (hand selection)
- final processing with Autostakkert or Registax
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High resolution imaging of Ganymedes
Resolution: 0.1”
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a. Occultations
2. Mutual events of the Jovian moons
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Close conjunction of Ganymede and Europa
1 January 2015
01.26.24 UTMinimal separation 0.03”
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Occultation ofIo by Callisto
7 January 2015
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Occultation of Ganymede by Io 12 February 2015
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b. Eclipses
2. Mutual events of the Jovian moons
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Umbra and Penumbra
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Selection procedure
Eclipse of Callisto by Ganymede 25 November 2014
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Stacking 100 best frames (hand selection)
25 November 2014
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Masterframes
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Stacking best frames with 35% master frame
25 November 2014
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Ganymede eclpses Callisto 25 November 2014 (C14)
03.06 UT – 03.26 UT
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Willem Kivits
Eclipse of Callisto by Ganymede 25 November 2014
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3. Special effects around opposition (6 February 2015 19.00 h UT)
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Scattered light on Ganymede
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Europa occults and eclipses Io 7 February 2015
Opposition6 February 2015 19.00 h UT
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4. Different types of eclipses
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AS2! stack
100 best handpicked
100 best + 35% master
Europa occults and eclipses Io 7 February 2015
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4. Different types of eclipses
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4. Different types of eclipses
Winjupos
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Europa eclipses Io 22 February 2015
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Io eclipses Europa 22 February 2015
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Io eclipses Europa 22 February 2015
Measured with Aperture Photometry Tool
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Ganymede eclipses Callisto 2 February 2015 (1)
WK
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Ganymede eclipses Callisto 2 February 2015(2)
Distance 2.9 million km apart
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Europa eclipses Io 11-3-2015 WK
Io eclipses Ganymede 12-2-2015 WK
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Io eclipses Ganymede 13 March 2015 WK23.15-23.43 UT
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Io eclipses Ganymede 13 March 2015 WK
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Next opportunity in 2021!
Io eclipses Europa
23 May 2021 21.09 UT
Unfortunately Jupiter is then in Sagitarius:In Holland only 20 degrees above the horizon!