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  1. Galleries
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  4. » IC 1805, IC 1848, he who Persei

 
IC 1805, IC 1848, he who Persei...

Deep Sky With Dslr, Oldest

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IC 1805, IC 1848, he who Persei sent on October 28, 2015 (22:52) by Marzio Bambini. 12 comments, 1326 views.

, Posa B f/4.0, ISO 1600, tripod.

LT: 21.10.2015, Poggio Rusco (MN), t=11°c. EF 100mm F/2.8 L IS, Canon EOS 60D CentralDS ts=-11°c at 1600 Iso, Lumicon Deep Sky, Az-Eq5 modify, no guide. Integration 30x2', 10 dark, 33 bias, 33 flat, PixInsight. Sperimentazione della montatura "leggera" Az-Eq5 modificata, senza cannocchiale polare e con allineamento assistito in singolo step.



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avatarsenior
sent on October 29, 2015 (8:09) | This comment has been automatically translated (show/hide original)

Good morning, the stars are beautiful point, I think the experiment is successful !! Congratulations heart and soul really beautiful !!!
Marzio

avatarsenior
sent on October 29, 2015 (16:13) | This comment has been automatically translated (show/hide original)

ohhhhhhhhh ... how I wanted to take it I will cherish Marzio by the same means, just well-made and well framed :-) Below right I see a white, milky blue, I assume the damn IL. Greetings ;-)

avatarsupporter
sent on October 29, 2015 (17:07) | This comment has been automatically translated (show/hide original)

Super ... really big picture, a beautiful part of heaven! Bravo Marzio, hello

avatarsupporter
sent on October 29, 2015 (17:36) | This comment has been automatically translated (show/hide original)

As always, you are too kind, thanks to all :-P
Yes, the IL is strong. The sequence is taken from Poggio Rusco in the middle of the country and unfortunately this is the price dear Beppe. The stars are point-like, but .... in fact with this focus and with one pass of assisted polar alignment I could not go more than 2 minutes.
In fact looking at the sequence of shooting speed, 30 shots, there is a movement of fund is derived, which has a component in both RA and Dec, but very little, which I believe is due to a not perfect polar alignment, but the bulk of the movement is ..... with oscillatory return to the starting point with a frequency (to be honest I was not there to do calculations, is an estimate) that is 8 to 10 minutes on ..... PEC damn! It is by no means negligible. On Takahashi EM200was virtually unnoticeable, here it is very very important.
However, the frame is light and this is what I was looking, I keep you informed of the progress that gradually will.
A dear greeting !!! Hello D

avatarsenior
sent on October 29, 2015 (18:14) | This comment has been automatically translated (show/hide original)

Marzio, sorry .. I assume that with the same focal mounted AStrO tracker Sky Tracker iOptron I could resume without homing up to 8 minutes per frame, obviously well aligned with the pole and only in right ascension ... . mistake or my eight minutes are out of place? In my ignorance I do not understand what you mean by alignment assisted single step ... I believe that with your Az.EQ 5 in one ascension with the focal closed 100mm f / 4 you could comfortably exceed the 5 minutes, I ask because now I'm doubting about my highly theoretical eight minutes, I'm missing something? wow! wow!

The puntiformità of stars denotes well as a good parking, even in a good fire, and then let's IP puts us also to its -D from me is a mess with focuse filter Hutech Idas LPS2, including some through the prism not theredo not even the moon is so dark: - | : - | : - |

avatarsupporter
sent on October 29, 2015 (18:55) | This comment has been automatically translated (show/hide original)

The az-EQ5 is sold in Italy without the polar scope. Actually it would be optional, but at the moment the importer decided not to acquire it. The reason is that the manufacturer has implemented a feature that allows you to make the polar alignment without having the polar scope based on the alignment to the stars. This among other things become convenient for example when you do not have the pole visible. I'll make it short. This tracking mode is of course subject to errors. Repeat several times this function more in theory reduce the error. In fact the system after each alignment assisted tells you How long the error and based on that decide whether or not to repeat the function. I tried it and I would say that is not bad. The problem instead of the track is the periodic errorthe worm from the first test run was pretty important. In short I will do other tests and then tell you. I want to understand what befalls the PEC, which provides the frame on a permanent basis.
I would not rule that your iOptron instead has a good correction !!!
Hello D

avatarjunior
sent on October 29, 2015 (21:31) | This comment has been automatically translated (show/hide original)

Bravo Marzio, you're always a guiding light !!

avatarsenior
sent on October 30, 2015 (4:10) | This comment has been automatically translated (show/hide original)

I would not rule that your iOptron instead has a good correction !!!

Speaking with Giuliano della Tecnosky are aware that Skytracker iOptron is very precise, because the inner ring that is part of the gear ratio has a nice diameter and then the periodic errors are minimized. Making the comparison with the small frame I had, the Smarteq Pro GotoNova, he needed at least two alignments as well as Polaris, indeed, iOptron urged to make as many as 3 to ensure as accurately as possible, because unlike the other frames astroinseguitrici, mounted gears much smaller and therefore not accurate. With the SkayTracker just align only Polaris and to be more precise during longer exposures, to center the ball in the staircase of the crossroads by the time of the equinox, co3Cbr />

avatarsupporter
sent on October 30, 2015 (9:57) | This comment has been automatically translated (show/hide original)

We are perfectly aligned!
How do you know my problem was the weight. The AZ-EQ6 is slightly less heavy TakaEm200 and for me it would be little change, which is why I went on the "5". If you make the switch to "6" I think it's a great choice.
When choosing the "5" unfortunately (I say unfortunately because the solution tripod with column that folds on itself is very convenient in terms of space) I was left in the hands of the "flexible". Strait has signed, but then he was hooked !!! :-(
I decided to change, the solution "base" for me is not believed to be reliable, and given the choice I opted for the EQ6 tripod, not the traditional EQ5, adapted with a flange Geoptik. Stability & agraI; another thing ;-)
It looks a bit '.... I'm going on LacertaMgen2 !!!
Hello Beppe -D
I keep you informed

avatarsenior
sent on October 31, 2015 (0:33) | This comment has been automatically translated (show/hide original)

Ahhhh here, the Mgen2 as guider ;-) ... I would say very good so nothing between PC boxes. Yes indeed I had an argument with Richard, useless tinker with SkyTraker Star Adventurer and if then the main problem is the stability due to the tripod, then analyzing the mechanical EQ5 and EQ6 we concluded that the EQ6 is better as mechanics but at the expense of lightness of the two astroinseguitori but who cares at this point, in the used market there are good chances and then I'd be in with the expenses ... for me I think I'll stay again in the wide filed a long time, seen as decreased to minimum nights out: - | Yes, keep me posted that's interesting to me ;-) Marzio Hello!

avatarsenior
sent on November 13, 2015 (10:25) | This comment has been automatically translated (show/hide original)

Always a pleasure to see these your shots, shots managed and compounds great! Hello alberto

avatarsupporter
sent on November 13, 2015 (15:15) | This comment has been automatically translated (show/hide original)

Alberto're always too good!
I want to see it as yet another test.
I am reviewing the equipment (lighter!) For the nights in the mountains and do experiments.
See AC jumps out
Hello and thanks! -D


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