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Stephen Ramsden’s Corner

Visit Charlie Bates Solar Astronomy Project for everything solar, from reviews to imaging to outreach, and become a part of the solar community!

Thanks, Stephen, for all your hard work.

Image of the week

Here is the Solar Image of the Week.
Thanks to: Howard
Lunt Solar CaK Filter

A very nice image from Florida.

Real Time Images: The Very Latest from SOHO

SOHO, the Solar & Heliospheric Observatory, is a project of international collaboration between ESA and NASA to study the Sun from its deep core to the outer corona and the solar wind.

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The Sun is our Star!

.......and as you would expect, our Star is hot, bright, dynamic, and sometimes quite violent.

At 93 million miles away, we are ideally placed at a point where the Sun provides just enough warmth and energy essential to our living planet, Earth.

At only 93 million miles, the Sun is close enough for us to view its surface through a fairly inexpensive specialized scope from the comfort and relative safety (sunscreen, please) of our backyards on a clear and sunny day.

What! Astronomy during the day? Lunt Solar wants to show you how.

References

Prominences:
These look like eruptions from the edge of the Solar disk. Prominences can appear as small spiky-looking details, or large cloud-like detail with fine feather-like features. They are, in fact, ionized Hydrogen-alpha emissions being projected from the limb.

Prominences are anchored to the Sun's surface in the Mesosphere, and extend outward into the Sun's Troposphere. They typically measure many earth diameters.

Filaments:
Filaments are string-like features on the surface of the Sun. At high resolution they take on a 3D effect due to the cooler aspect of the suspended filament contrasted against the bright, hotter Sun.

Filaments are actually prominences being viewed against the surface.

Spicules
A Spicule is a dynamic jet of gas about 500km long. They move outward at about 20km/second through the Chromosphere.

Father Angelo Secchi of the Vatican Observatory discovered them in 1877.

The Chromosphere is entirely composed of Spicules. These features can be seen as "fur" around the edge of the disk.


There's definitely stuff to look at :)

February 17th, 2011

For solar white light imaging and white light visual observing.  The Lunt White Light Wedge comes with a built in ND3 filter which allows perfectly safe imaging or visual observing of the Sun. If you wish to do visual observing we recommend dimming the image for your eyes with a Polarizing Filter. Simply put one Polarizing Filter on the bottom of your eyepiece and adjust the brightness to your comfort by rotating the eyepiece.

We offer 2 sizes of White Light Wedges.  The 2” version (LS2HW) allows for 2” eyepieces and has a 2” barrel for the focuser, and the 1.25” version (LS1.25HW) allows for 1.25” eyepieces and has a 1.25” barrel. The LS2HW preforms best on refractors with 6” or less front aperture. The LS1.25HW  performs best on refractors with 4” or less front aperture. As long as you can reach focus for imaging with a standard star diagonal on your night time telescope,  you will be able to reach focus when imaging with Lunt Solar White Light Wedges.

Lunt White Light Wedge Packages Include:

• Lunt White Light Solar Wedge (1.25″ or 2″, depending on what you choose)
• ND3 Pre-installed Filter
• Metal Carrying Case
• Die Cut Foam with room for accessories

Recommended Accessories:

• 2″ to 1.25″ Reducer for 1.25″ Eyepieces
• Lunt Zoom Eyepiece

White Light Solar Wedge Pricing:

Product Number: LS1.25HW
*1.25″ White Light Solar Wedge with built-in ND3 Filter
$219.00

Product Number: LS2HW
*2″ White Light Solar Wedge with built-in ND3 Filter
$288.00

Product Number: PF-125
*1.25″ polarizing filter for visual use with 1.25″ eyepieces
$49.00

Product Number: PF-2
*2″ polarizing filter for visual use with 2″ eyepieces
$74.50

To make a purchase, contact us directly or buy from a dealer. Prices are shown in US dollars and are subject to change without notice.

Customer Solar Images:

For more images visit the Lunt Solar Image Gallery

 


 

André van der Hoeven sent us a few white light images taken thru a wedge..

…”Hereby I would like to submit two pictures taken today and on 8th febr. with my new lunt 1,25” herschel prism and an ED80 telescope. I’m very happy with the prism, and the quality is astonishing….”

Thanks for the great images!!

About Lunt Solar Systems LLC…

Lunt Solar Systems is a manufacturing and sales facility located in Tucson, Arizona. Lunt Solar design, fabricate, assemble, and test solar telescopes and solar filters. Whether you are looking for a dedicated solar telescope or a solar filter for attachment to you own astronomy telescope, we can help. Solar telescopes models start at $499 for an LS35T (telescope) or the only slightly more expensive LS50F (filter), all the way thru the LS152T and even the LS230T. Solar observing is both fun and educational. Don’t miss out on Solar Maximum.

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Lunt Solar Systems LLC

2520 N. Coyote Drive
Suite 111
Tucson AZ 85745

luntsolarsystems.com

Telephone: 1-877-344-7348
Telephone: 520-344-7348
Fax: 520-344-7352
e-mail: sales@luntsolarsystems.com