Sky and Telescope - December 2016 - 68

Eclipse Photography
rial over the top 2/3 of the lens, in order to avoid overexposing the solar disk in each image while still having
the foreground visible in each frame. This makes it a
simple matter to align the individual frames. Using the
zoom lens set to 10 mm and f/8, I settled on exposures
between 1/60 and 1/100 of a second at ISO 200, though occasionally I needed longer ones if thin clouds were present.
I then began photographing the Sun on July 17, 2005.
My routine on each designated day of a solar image was
to set the camera to the correct exposure, ISO speed, and
f/ratio, and then place the camera in its nest with the
solar filter partially covering the lens. I then focused the
lens to its predetermined point and shot three bracketed
exposures using a shutter cable in manual mode. Using
this technique I imaged the Sun from the rooftop on 26
separate dates between July 2005 and March 2006 -
about every 9 or 10 days as the weather permitted.
Finally, the day of the eclipse came. We got to see it in
beautiful conditions along with thousands of other visi-

tors from Turkey and abroad. And my exposures came
off without a hitch! I shot totality using a Zenit 12XP
film camera and a 17-mm f/2.8 fisheye lens for 3 seconds
on Fuji Reala 100 fi lm, while I used the DSLR for closeup shots through a telescope.
After the eclipse, my career as a civil engineer forced
me to modify my plans a bit. I had to move to a job site
in Bolu, Turkey, about 250 km away; this meant I would
not be able to continue shooting the pictures. What
would happen to the project? Fortunately, my brother,
Cenk, agreed to take over the job of shooting the remaining pictures from the same spot. I had to take the DSLR
with me, but I left the Zenit and fisheye lens. This would
pose some more technical problems during processing but was certainly better than having an incomplete
result! He rushed to the rooftop from his office at midafternoon to set up the camera whenever skies permitted. In the end, he was able to record five additional
frames from April to July, completing the project.
J y

Sun Jun 15 2018
Sun Jun 1 2018

Sun July 15
Illinois

Casper, Wyoming

Carbondale,

August 21, 11:44 am local time

August 21, 1:21 pm local time

Sun May 15 2018

Sun Aug 1 2018

Sun May 1Mars
2018
Sun

Sun Aug 15 2018
Regulus
Sun April 15, 2018

Mars

Sun, April 1 2018
Mercury

Sun Sept 1 2017
Sun Sept 15 2017

Regulus
10°

Sun Mar 15 2018
Sun Oct 1 2017

Sun Mar 1 2018
Sun Oct 15 2017

Mercury
Sun Feb 15 2018

Sun Nov 1 2017
Sun Feb 1 2018

Sun Nov 15 2017

Sun Jan 15 2018

Sun Dec 1 2017

S&T: LEAH TISCIONE (2)

Sun Jan 1 2018

Looking Southeast

Sun Dec 15 2017

Looking South

FIELD GROUNDWORK Planning the composition of your tutulemma requires knowing both where the Sun will be at the time of
the eclipse as well as its daily shift for the entire year so that none of the analemma is blocked by obstructions. The above chart at
left was plotted for Casper, Wyoming, while the chart at right depicts the view from Carbondale, Illinois.

68

December 2016 sky & telescope



Sky and Telescope - December 2016

Table of Contents for the Digital Edition of Sky and Telescope - December 2016

Contents
Sky and Telescope - December 2016 - Cover1
Sky and Telescope - December 2016 - Cover2
Sky and Telescope - December 2016 - 1
Sky and Telescope - December 2016 - Contents
Sky and Telescope - December 2016 - 3
Sky and Telescope - December 2016 - 4
Sky and Telescope - December 2016 - 5
Sky and Telescope - December 2016 - 6
Sky and Telescope - December 2016 - 7
Sky and Telescope - December 2016 - 8
Sky and Telescope - December 2016 - 9
Sky and Telescope - December 2016 - 10
Sky and Telescope - December 2016 - 11
Sky and Telescope - December 2016 - 12
Sky and Telescope - December 2016 - 13
Sky and Telescope - December 2016 - 14
Sky and Telescope - December 2016 - 15
Sky and Telescope - December 2016 - 16
Sky and Telescope - December 2016 - 17
Sky and Telescope - December 2016 - 18
Sky and Telescope - December 2016 - 19
Sky and Telescope - December 2016 - 20
Sky and Telescope - December 2016 - 21
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Sky and Telescope - December 2016 - 24
Sky and Telescope - December 2016 - 25
Sky and Telescope - December 2016 - 26
Sky and Telescope - December 2016 - 27
Sky and Telescope - December 2016 - 28
Sky and Telescope - December 2016 - 29
Sky and Telescope - December 2016 - 30
Sky and Telescope - December 2016 - 31
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Sky and Telescope - December 2016 - 33
Sky and Telescope - December 2016 - 34
Sky and Telescope - December 2016 - 35
Sky and Telescope - December 2016 - 36
Sky and Telescope - December 2016 - 37
Sky and Telescope - December 2016 - 38
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Sky and Telescope - December 2016 - 40
Sky and Telescope - December 2016 - 41
Sky and Telescope - December 2016 - 42
Sky and Telescope - December 2016 - 43
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Sky and Telescope - December 2016 - 79
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Sky and Telescope - December 2016 - 84
Sky and Telescope - December 2016 - Cover3
Sky and Telescope - December 2016 - Cover4
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