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March 24th 2012
The LS230T are shipping.

Stephen Ramsden’s Corner

Outreach, Imaging, and Reviewsbr>

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 it's surface thru a relatively inexpensive scope from the comfort and relative safety (Sunscreen please) of our backyards on a clear and warm 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 be small spikey looking details, or large cloud-like detail with fine feather-like features.

They are, in fact, ionized Hydrogen-alpha emissions being projected from the linb.

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

Filaments:
These are strin-like features on the surface of the Sun.

At high resultion they take on a 3D effect due to the coller aspect of the suspended filament contrasted against the bright, hotter Sun.

They 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 thru 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 definately stuff to look at :)

March 17th, 2010

Here is an article submitted by Jerry Farrar. The LS152T was used with the Hydrogen-alpha module and in White Light mode using the Lunt Wedge… Jerry and Alan put their LS152T and LS60T/PT to good use during the daylight hours..

…”Hello All,

After receiving the LS152H-aPT I headed to the Messier Marathon with Alan Strauss during March 12th,13, and 14th.

Alan took his LS60H-a PT, TEC140, Lunt Herschel Wedge, Celestron 9.25, a CGEM and his personal tripod with his Disc Mount. I took (along with the LS152) my Celestron 9.25, Lunt Herschel Wedge, and a CGEM mount. It was memorable to say the least.

Not only did the LS152 and LS60 impress all who shared the experience of observing the Sun, but the Sun itself decided to excite everyone by exposing an enormous prominence on it’s north west limb along with a very active region (11054).
We got to watch as the Sun blew the large prominence from the limb. And it did just that, the prominence did a somersault as it departed from the limb and was visible even at 300,000 mile from the limb before it dissipated.

What was amazing was how much detail we could see with the LS152, including using high magnification (100+pwr).The magnetic field lines within the Prominence were seen in clear detail. And what we saw within the active region can hardly be described. We could observe the fibrils and magnetic field lines as they arced away from the large spots within the plage and could observe in real time as the region began the brighten and change structure.

The spicules could be seen changing with careful observation. It was like being there ( but it was good to be 93 million miles away)!
Alan put his Lunt Herschel Wedge on the TEC140 and we got the best of both worlds (or should I say Star). The detail in observing the spots within the active region was just amazing. The umbra and penumbra around the spots looked like threads of fingers immerging from the blackness of the umbras.
We could pick out detail estimated to be ~450 miles in size. Half the size of average granulation!

Both Alan and I were actually taking a tour of the Sun in H-a and white light. Truly amazing! We both did sketches of the Sun in the photosphere and chromosphere. There was much to see and a lot to share, but overall this was an experience we will never forget.

Oh, by the way, we also did our night observing ……..guess what we talked about!

Best regards,

Jerry Farrar….

Feedback like this is truely appreciated! Thanks Jerry for taking the time to provide some comments, and enjoy your scope!!

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