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20_inch_Observing_Session_24_February.wmv
DeanKetelsen
90 views
Shown is a time-lapse of our 3+ hour session with the KPNO Visitor Center 20" telescope. The 7 of us observed about 20 objects during the spectacular night. After turning...
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GMT polishing at Mirror Lab open house 14 Jan, 2012
DeanKetelsen
641 views
Saturday, 14 January, 2012 was an open house at Steward Observatory Mirror Lab for invited guests and partners for the casting of the second mirror for the Giant Magellan T...
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Lovejoy clip.mpeg
DeanKetelsen
150 views
Nearly 4 days worth of time-lapse images from the LASCO C3 (Large Angle and Spectrometric Coronograph Experiment) instrument aboard the SOHO (Solar and Heliospheric Observa...
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28AugustKPNO.wmv
DeanKetelsen
427 views
The center of our Milky Way galaxy appears as twilight fades over the mountaintop location of Kitt Peak National Observatory. The largest building in the foreground houses...
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25JuneKPNO.wmv
DeanKetelsen
322 views
The center of our Milky Way galaxy appears out of the fading twilight and crosses the sky of Kitt Peak National Observatory SW of Tucson. ALL of the moving lights during t...
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16 July re-roofing.wmv
DeanKetelsen
68 views
We got a new roof installed on our house in St Charles, IL in July. AAA roofing took exactly 6 hours start to finish and did a fine job. This sequence was taken at 1 fram...
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Polishing, washing GMT Primary
DeanKetelsen
203 views
Some time-lapse sequences towards the end of the orbital polishing run on GMT on 9 August, 2011. Frame rates were typically 3-8 seconds between frames. Some weird image-s...
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GC_Milky_Way_20June_loop.wmv
DeanKetelsen
1,068 views
Time Lapse loop of rising Milky Way over Grand Canyon Star Party on 20 June, 2011. Sequence of 35 second exposures with Canon XSi, ISO 1600 and Nikon 16mm F/2.8 fisheye. ...
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RockyPointTide.wmv
DeanKetelsen
113 views
Time-lapse sequence of rising tide near Rocky Point, Mexico. Tidal range in the upper Sea of Cortetz often approaches 6 meters, and this series shows most of that change o...
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Kitt Peak Sunset_17December2009.wmv
DeanKetelsen
209 views
Time Lapse sunset behind Kitt Peak National Observatory from 60 miles away on the Mount Lemmon Highway north of Tucson. A 6" Newtonian telescope was used with solar filter...
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