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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 :)

September 8th, 2010

At 230mm F/7, the Lunt Solar LS230T/PT is by far the world’s largest production Solar telescope. ¬†With an image size of almost 16mm at the eyepiece, the view through this instrument is truly breathtaking. Clear skies provide the feeling of seeing every detail of our nearest (and my favorite) Star.

The LS230T is a limited production dedicated Hydrogen-alpha telescope with a bandpass of less than 0.65 Angstroms. Optical design by the well known Massimo Riccardi provide crisp sharp features, while an unobstructed 230mm aperture allows for the highest level of contrast and resolution available in any Solar Telescope.

Utilizing advanced high-contrast coatings and the Doppler True Pressure Tuning system, the user will be able to experience an un-paralleled level of visual and imaging performance. The system is designed as a dedicated Hydrogen-alpha telescope. Unlike the smaller LS152THa, the system is not modular.

LS230THa/PT Specifications:

  • Optical Aperture: 230mm (Unobstructed)
  • Etalon: Internal <0.7 Angstrom
  • Tuning: Internal Pressure Tune (Doppler True Tuning)
  • Blocking Filter: B3400 Straight-Thru
  • Focal Length: 1610mm
  • F Ratio: 7
  • Focuser: 2″ Starlight Instruments Feather Touch
  • Mounting: Rings with 12″ Losmandy style plate and carrying handle
  • Weight: 70 lbs (estimated)

¬†Included Accessories: (see “accessories”)

    • Eyepiece: Lunt Zoom Eyepiece
    • Mounting: 12″ Losmandy Style Dovetail Plate

LS230THa Pricing:

LS230THa/PT/B3400/FT
* Standard system with B3400 internal blocking filter and standard 2″
Feather touch focuser
Retail Price: $CFQ

The LS230THa is manufactured on a limited basis during the year. If you are interested in making a purchase, contact us directly and we will give you the latest availability and pricing. Thank you.

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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