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joe-cali.com
is the web site of Joe Cali, Australian photographer, world traveler,
amateur astronomer, adventurer and solar eclipse chaser. NACAA - National Australian Convention of Amateur Astronomers
I attended the 2026 NACAA conference in Tamworth and delivered a presentation on "Continued Enjoyment of Visual Observing for Astronomers with Aging Eyes." The presentation examined two main causes of lost night vision with aging, reduction of maximum pupil dilation and slowing of rate of dark adaption and loss of sensitivity. I then presented some techniques that can mitigate some of the losses of low light sensitivity that occur with advancing age. The following zip file contains a series or bundle of 5 short articles covering all the aspects of that presentation. => DOWNLOAD ARTICLE BUNDLE _________________________________________________________ |
| Photography | I
have been taking and making photographs for the past 44 years.
During this time I've hung my work in more than 30 gallery
exhibitions, curated exhibitions, published work in magazines and
taught workshops and given private tuition on a wide variety of photographic topics techniques and
media. GalleriesTravel |
| Nightscape Photography |
I
have been involved in amateur astronomy and astrophotography for the
past 40 years. One of my interests is nightscape photography. In this
section you'll find some links to articles, photos and descriptions of
my Nightscape Photography, Astrophotography and Image Processing
workshops. |
| Solar
eclipses are one of the most spectacular events in nature. I saw my
first total eclipse from central Bolivia 4km above sea level in 1994.
Since then, I've travelled the world chasing these spectacular events. ....more past eclipse chases eclipse expedition plans eclipse primer future eclipses in australia |
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Astronomy |
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