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Thanks to: Howard
Lunt Solar CaK Filter

A very nice image from Florida.

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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 23rd, 2011

The Lunt Zoom Eyepiece offers what we feel are the ideal magnifications for the standard focal lengths of our solar telescopes.  It is an ideal first look eyepiece that will allow you to quickly view the Sun at a lower magnification and then zoom in when you find interesting details.  A great little eyepiece at a very affordable price point…

Technical Specifications:

• Focal length: 7.2mm – 21.5mm
• Barrel size: 1.25″
• Diameter: 47mm
• Height: 82mm
• Eye relief: 15mm
• Lenses / Groups: 7 lenses / 4 Groups
• Field of view: 7.2 53° – 21.5mm 40°

Zoom Eyepiece Pricing:

LS7-21ZE
Retail Price: $149.00

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.

About Lunt Solar Systems LLC…

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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