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Pushing my FLT 110 to the limit!

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Author Topic: Pushing my FLT 110 to the limit!  (Read 237 times)
brianb
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« on: December 15, 2010, 09:18:28 am »

Dec 14th - transparency not too good with some drifting cloud, but the seeing was pretty steady. Unfortunately I won't be able to use my CPC 1100 for at least 4 weeks as I can't lift it with my broken wrist, so I decided to see what I coud do with my William Optics FLT 110.

There is a large mosaic "in production" but I also obtained some high res closeups of some of my favourite areas.


Theophilus area, 1733 UT. Colongitude 14.4 deg.


Ptolemaeus & Straight Wall (2 frame mosaic). 1737 UT. Colongitude 14.5 deg.


Hyginus area. 1740 UT. Colongitude 14.5 deg.


Plato & Alpine Valley. 1746 UT. Colongitude 14.5 deg.

All images, William Optics FLT 110 f/7 fluorite triplet refractor, W29 (deep red) filter, 4x Imagemate, Imaging Source DMK21 camera. Individual frames 25% accept from 2000 frame AVI, except Plato 4000 frame AVI, stacked in Avistack v1.81.

Apparent diameter 30.05'. Altitude 38.5 deg. Illumination 61.0%. Libration in latitude -06 deg 07 min; libration in longitude -01 deg 58 min.

Transparency moderate to poor with occasional drifting cloud. Seeing good with continuous but low amplitude & slow boiling. Temperature +05C, wind NE force 2-3, baro 1041 mb, rising slowly.
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martinastro
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« Reply #1 on: December 15, 2010, 03:35:01 pm »

Outstanding imagery Brian and sorry to hear about the wrist, stay off those icy pavements over the weekend!.

The straight wall and Alpine Vallery are amazing  Smiley
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rjgjr
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« Reply #2 on: December 15, 2010, 03:47:46 pm »

The shots are beautiful Brian, great detail.
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brianb
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« Reply #3 on: December 15, 2010, 04:02:45 pm »

Thanks guys! I think this is pushing the limits of what can be done with 4 and a bit inches of aperture ... everything seemed to go reasonably well, the focusing was spot on & there's actually not much sharpening applied ...

BTW here is a link to the 11 frame mosaic I made (at half the scale of these closeups!)

Quote
stay off those icy pavements over the weekend!
Well it would be a Good Idea not to fall on to it again. But the ice was not the problem; it was the small dividing fencelet between my back yard and my neighbours; one foot high and painted black. I've tripped over it a few times before without doing myself any damage & I'll probably trip over it again ...
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JohnC
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« Reply #4 on: December 15, 2010, 05:37:51 pm »

Superb shots,Brian.

How about putting  something yellow  along the fence in a couple of places if your not able to tie something to it if it's theirs..
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markt
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« Reply #5 on: December 15, 2010, 08:20:31 pm »

Excellent shots as usual Brian!   Wink
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