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  1. Galleries
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  4. » Moon at 250x single click unpretentious!

 
Moon at 250x single click unpretentious!...

Astronomia

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Moon at 250x single click unpretentious! sent on October 03, 2012 (22:57) by Chiodi.andrea. 12 comments, 1285 views.

1.3 sec f/45.0, ISO 1600, tripod.

Purtroppo non era la serata ideale per fotografare. Oltre a tutto la lente del telescopio era sporchissima.





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avatarjunior
sent on October 10, 2012 (19:01) | This comment has been automatically translated (show/hide original)

Apart from the lens to clean XD came out a bell'ingradimento good ;-)

user15434
avatar
sent on October 14, 2012 (23:22) | This comment has been automatically translated (show/hide original)

... good and the good Andrea ;-)!
see you soon,
David

avatarsenior
sent on October 15, 2012 (14:09) | This comment has been automatically translated (show/hide original)

Thanks Giulia.
Thanks to you David, slowly you will see that I can improve.
This is a test shot at high magnification in an evening at all favorable.
Hello

user15434
avatar
sent on October 15, 2012 (23:11) | This comment has been automatically translated (show/hide original)

The shot is made with the technique of afocal or eyepiece projection? In the second (likely) case, what kind of support do you use?
See you soon and again congratulations,
David

avatarsenior
sent on October 17, 2012 (19:14) | This comment has been automatically translated (show/hide original)

Projection eyepiece, I used a six mm of poor workmanship.
With the moon nuovaci try again

user15434
avatar
sent on October 17, 2012 (23:05) | This comment has been automatically translated (show/hide original)

... with the New Moon will be difficult:-D:-D:-D:-D:-D, perhaps you meant with the next crescent moon ... ;-)
Can you focus on the dust on the lens of the eyepiece? It had to be dirty: fconfuso:.
See you soon,
David

avatarsenior
sent on October 18, 2012 (13:37) | This comment has been automatically translated (show/hide original)

No dust unfortunately 'in the tube.
It 'a very old telescope was pre 30 years
on the floor with no cap! I have to take it apart and clean the
everything.
Hello

user15434
avatar
sent on October 18, 2012 (23:11) | This comment has been automatically translated (show/hide original)

... that telescope? Newton or refractor? Strange that we can focus on the dust ... Unfortunately, however, I used only a few times the projection technique eye and then I swear to you ;-) (who I see that mastered very well).
Ciaux,
David

avatarsenior
sent on October 25, 2012 (18:13) | This comment has been automatically translated (show/hide original)

Hello sorry I'm late.
I took this photo a 80mm refractor with a focal length of 1200.
I also own a meade etx 125, one hose.
Then together with a friend of mine a refractor SkyWatcher 750 150mm focal length, and just took the tube of widephoto SkyWatcher
Unfortunately I have not had time to use it.
Hello

user15434
avatar
sent on October 25, 2012 (21:55) | This comment has been automatically translated (show/hide original)

NNNNNNOOOOOOOOOOOOOOOOOOOOOOOOO mmm ... the 200 f / 4 wow!?

avatarsenior
sent on October 26, 2012 (13:43) | This comment has been automatically translated (show/hide original)

The 250mm.
'Cause is not it?
Not good?

user15434
avatar
sent on October 26, 2012 (21:44) | This comment has been automatically translated (show/hide original)

Hello Andrea,
I am unlucky with telescopes but I'll tell you my experience: fconfuso:.
Earlier this year I bought the Newton 200mm f / 4 WidePhoto the SkyWatcher. Out of the box I found myself in front of an instrument apparently well done: Primary precise adjustment screws, focuser solid, internal baffles optics ... in short a show wow!
The show is over as soon as I mounted the Canon at the prime focus of the instrument (collimated). A coma was evident almost from the center to the edge of the field of view :-(. At this point I decided to buy the Baader MPCC coma corrector, ideal for f / 5, but can be used (only) also newton f / 4 .
I make a new release and I find that the coma at the edges is still present, while the center of the field is praticamentand correct. In this condition (better or worse turning the DSLR) I took the photos that are on my website (use tag Newton 200 mm f / 4).
I later found out that the weight of Newton on NEQ6 was too, presenting problems tracking declines due (after 20 minutes of exposure) :-(. In order to reduce the bending would go beyond the scope of the frame ... so from about 20 days I have a Newton 150 mm f / 5 Black Diamond but I have not used it collimated it (due to bad weather) wow. Purchase of this instrument is primarily due to four reasons:
1) I love Newton
2) being an f / 5 is less prone to coma and optical defects
3) the MPCC coma corrector is designed to Newton f / 5
4) is light.
And 200 mm? Now I use it with the CCD having a smaller sensor is less affected by coma (which still exists).
For one year after purchase I can hardly recommend it to a friend a Newton f / 4 SkyWatcher :-( ...
I did not want demoralizzarti and you hope that your model is rather well done and does not have too :-| coma.
All the best,
David


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