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Thread: Solar Filters

  1. #71
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    Quote Originally Posted by John999R View Post
    Chris, please let us know if you do the Denkmeirer upgrade, I'm anxious to hear. Getting back to my first viewing session, I neglected to mention it wasn't the most favorable conditions at the time. There were some high clouds in the area that were moving fairly fast. I thought the lens on my PST were fogging up for some unknown reason and it wasn't til the end of the session did I realize the high and somewhat faint clouds were obscuring the view, especially the details of the sun. Nor did I attempt to use any of my other EPs, didn't know I could until I read this thread. After reading about the adjustable Lunt EP, I thought that would be a nice upgrade. However, it has a range of 7-20 something mm so to replicate what I might see with it I'll try a 9mm EP and others. Perhaps the variable EP just flat makes it easier to pinpoint features because like I learned, the sun is hugh and its elevation changes with the curvature. I was using the focuser more with the sun than I would in night viewing whereby the target is found and brought into focus, your pretty much done. However, when viewing the sun I would focus in on a region of the surface and noted the areas outside that region were not as clear so I would have to refocus to to bring those details in. Does that make sense? I didn't mess with the tuning dial, but I will the next time by making small adjustments just to see what happens.

    We are in a period of rain and clouds for a few days, but once it clears I'm looking forward to trying the other EPs since the standard PST EP is over 20mm, hell, I might even try a barlow.

    That Denkmeirer upgrade has got me intrigued because the sun is intriguing. I want to see more of its ever changing surface.

    Hey John,

    Yeah, I'll keep everyone posted, if I get that upgrade done. You guys will be the first to hear about it!

    As far as the PST goes, try using the Tuning Ring more than the focuser...I think you'll find it much easier to bring out detail. Once you get the Sun in "focus", you really shouldn't need to mess with the focus knob anymore. The "Tuning Ring" is what really makes the detail "pop" out at ya'...The tuning ring is the "key" to getting the most out of the PST.

    Once you get the hang of the tuning ring, believe me, you'll see everything! In serious detail!

    The tuning ring only requires small increments of movement... Maybe 1/4" or 1/2" one direction or the other. By doing this, you'll either see more surface detail, or more prominences...It takes a few sessions before you really get the hang of it, but, once you do, it's as easy as breathing.

    Just takes a bit of practice.
    Chris
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    Celestron Nexstar 6SE, Baader 6" Solar Filter, Coronado PST Solar Telescope, Minolta SRT-SC, Canon EOS T1i DSLR, Orion Beta-Hydrogen Filter, Orion Expanse EP's, Orion HighLight EP's, TeleVue 24mm Panoptic, Explore Scientific 82'/14mm EP, four Baader Hyperion EP's, 3mm Edge-On Planetary EP, misc filters, 2x shorty barlow, iOptron Planetary CCD imager
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  2. #72
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    Chris is very right - I don't touch my focusing knob at all once you have it focused for the EP you're using. And even the "Tuning Ring" hardly gets turned from where it is on my PST, perhaps hair or 3 either way at most.

    But I do admit, for the 1st few weeks I was moving everything a lot

    Good luck!

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    The Bible tells us God created the Universe; Science tells us how He did it; And through my telescopes I marvel at His handiwork

  3. #73
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    Hi

    I see no one here has mentioned using layers of XRAY negatives... Now I know for a fact you can use 1 layer with the naked eye from early school days.The only thing you CANNOT use it on is when the Sun is Eclipsing because of the refracted light around the moon(So I heard)

    If Galileo used nothing then XRAY film will definitely work and even at magnifications of telescope proportions, layers of xray should do the trick...and I'm willing to go down to the local hospital to seed if I can get some and try it first...I will let you know what happens and for sure I will test it through the eyepiece using a hand held mirror in front of it to see how much glare it will give off first.

    Worth a squirt!!

 

 
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