Eclipse Practice

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The Wave Catcher United States of America
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Eclipse Practice

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Post by The Wave Catcher »


Today after the clouds burned off, I did a practice run for the upcoming April 8th total solar eclipse at my location. The partial eclipse last October was good practice too.

I made a cardboard shade to go on my AT80ED 80 mm, f/7 refractor telescope to keep glare out of the eyepiece. I compared the ease of viewing and photography between my telescope and my Sony DSC-H400 camera. I used a Meade Glass White-Light Solar Filter SF #450 with my telescope and a Thousand Oaks Optical Solar filter for the camera. I found that my wide angle Stellarvue 15 mm (37x), 82° eyepiece was the best for viewing and for use with my iPhone 14 Pro camera.

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Though my camera has taken excellent Lunar and Solar photos in the past, it is very difficult because it lets me control nearly every aspect of the camera except the focus. There is no manual focus. Therefore, shots of targets at infinity truly depends on “lucky imaging”. Here is the one focused image that I got with it today out of many.

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Below was captured by holding my iPhone to the eyepiece. I have a good iPhone mount for my telescope but it is more trouble than it’s worth. With the short exposure times for the sun and the Moon, just holding the phone camera up to the eyepiece produces I ages that are acceptable to me.

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After the sun fell behind the trees, I started observing birds. A nice thing about this Astrotech telescope is its incredible focus range. With the 15 mm eyepiece I can extend the telescope to the point where I can focus on objects only about 5 m (20 ft) away! Here are some examples.

Cedar Waxwing
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Mourning Dove
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Brown-headed Cowbird
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For the eclipse, I plan on mostly just enjoying the event with my own eyes. I will waste time with the real camera and if z9 take any photos, I will use my iPhone. I will setup my simple telescope so family and friends can observe the eclipse as it progresses. I’m sure at least a million people will be taking photos so I’m going to focus on experiencing the eclipse. Maybe family photos with crescent shadows all over them and such. At least now I won’t have to fiddle during the show, I know what I’m going to setup.
Steve Yates

Astro-Tech AT102ED, 102 mm, F/7, ED Achromatic Refractor
Astro-Tech AT80ED, 80 mm, F/7, ED Achromatic Refractor
Bresser AR102s, 102 mm, f/4.5, Achromatic Refractor

Explore Scientific Twilight I Alt/Az Mount
Bresser Nano Alt/Az Mount
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Mike Q United States of America
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Re: Eclipse Practice

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Post by Mike Q »


We are running our test today. The iOptron mount is happily keeping the sun nicely center in a 32mm Q70. Sorry the image isn't all that great but i just held my phone over the eyepiece to snap the image
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Thefatkitty Canada
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Re: Eclipse Practice

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Post by Thefatkitty »


Very nice setup Steve, and some incredibly good Afocal pics!! I think you've got the right idea on how to go about all this. Keep it simple and enjoy the show :D

Hoping it all works out for you and your famiy,
Mark

"The Hankmeister" Celestron 8SE, orange tube Vixen made C80, CG4, AZ-EQ5 and SolarQuest mounts.
Too much Towa glass/mirrors.

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H/A - PST stage 2 mod with a Baader 90mm ERF on a Celestron XLT 102 (thanks Mike!)
Ca-K - W/O 61mm, Antares 1.6 barlow, Baader 3.8 OD and Ca-K filters with a ZWO ASI174mm.
W/L - C80-HD with Baader 5.0 & 3.8 Solar film, Solar Continuum 7.5nm and UV/IR filters with a Canon EOS 550D.
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Ylem United States of America
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Re: Eclipse Practice

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Post by Ylem »


Going to have to go through my gear to see what I may use.

Hopefully not the umbrella 😬
Clear Skies,
-Jeff :telescopewink:


Member; ASTRA-NJ



Orion 80ED
Celestron C5, 6SE, Celestar 8
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Coronado PST
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