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First Mars with the 14" in poor seeing

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#1 claytonbigwood

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Posted 24 February 2012 - 06:30 PM

Getting closer to making the SkyWatcher 14" behave itself :)
Unfortunately the seeing was not :(
This shot was 1400/10000 frames @f21

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#2 Kokatha man

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Posted 24 February 2012 - 06:48 PM

Looks promising Rob..! :)

#3 Asimov

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Posted 24 February 2012 - 07:03 PM

Good stuff Rob. Look forward to seeing how you go with this setup in nice seeing, & a bigger FL.

#4 claytonbigwood

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Posted 24 February 2012 - 07:08 PM

Looks promising Rob..! :)

Thanks Darryl! All we need now is some great seeing :grin: :grin:

#5 claytonbigwood

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Posted 24 February 2012 - 07:17 PM

Good stuff Rob. Look forward to seeing how you go with this setup in nice seeing, & a bigger FL.

Thanks Asi! It's still a little quirky, but I think I am getting on top of it :question: :question: :question:
Only about 4 corrections to guiding in 6min, but not consistent in the way it corrects, also the wind knocked it around a bit so I chopped some frames out with VDub
Whoops :foreheadslap: I just realized I posted the wrong Pic :roflmao: I will duck back and change it :tonofbricks:

#6 Asimov

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Posted 24 February 2012 - 07:29 PM

I was going to say, I thought it looked familiar...lol.

Anyway yes, I was wanting to discuss the tracking on this beasty. The couple of times I tried mine, it waited for the target to basically go off-screen before it corrected - & then it corrected at light speed lol. Gave it up as a lost cause but I'm wondering if it's fixable..I had better success with manually correcting but I was continually correcting!

#7 claytonbigwood

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Posted 24 February 2012 - 07:53 PM

I used the Backlash adjustment to improve response a lot.
In some directions it still want's to go backwards before it goes in the direction I want it to, but it is much improved.
I have also had to adjust the AZ clutch as it was slipping.
Not for the faint hearted Asi, but I know that won't bother you :lol: It requires pulling the Base to pieces as it's not accessable via the plastic cover :bangbangbang:
They could have at least made a removable cover on the bottom :shrug:
It is also very sensitive to balance, so I use Magnets from old speakers to trim the balance, but I think it really needs a clutch adjustment in Alt as well ( though that looks a lot easier than the Az)
I also added thin nuts to the 4 bolts that hold the base together
to stop them flopping around, keeping them aligned helps with re assembly (you will understand if you have to try this. BTW I wouldn't bother unless it was slipping)
That's about as far as I have got ATM
I found that it was still binding in Az a little, but I want to "run it in" a bit before I get too carried away :grin:

#8 claytonbigwood

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Posted 24 February 2012 - 08:59 PM

And a Repro :grin:

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#9 DesertRat

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Posted 24 February 2012 - 09:44 PM

Good work Rob getting that big scope primed! Wishing you better seeing soon so you can take advantage of the aperture.

Glenn

#10 claytonbigwood

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Posted 24 February 2012 - 10:06 PM

Thanks Glenn!

#11 Kecktastic

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Posted 24 February 2012 - 11:58 PM

Good work Rob, look forward to what you do with this scope in better conditions.
Regards

Trevor

#12 Asimov

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Posted 25 February 2012 - 12:55 AM

Thanks for that info Rob.

#13 claytonbigwood

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Posted 25 February 2012 - 01:48 AM

Good work Rob, look forward to what you do with this scope in better conditions.
Regards

Trevor

Thanks Trevor, I'm not holding my breath for the good seeing :) although I have been wrong a few times before :lol:

#14 claytonbigwood

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Posted 25 February 2012 - 01:51 AM

Thanks for that info Rob.

No problems Asi :waytogo:
If you want more specific or detailed explanations I am glad to help if I can :)

#15 Space Cowboy

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Posted 25 February 2012 - 07:07 AM

Only 4 corrections in 6 mins is very impressive Rob. At that kind of control a higher fl should be easily achieved. Looks like a centerfold shot is just around the corner!

#16 James W.

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Posted 25 February 2012 - 03:48 PM

Not bad at all! Nice shot!

#17 john rozakis

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Posted 26 February 2012 - 03:00 PM

Nice shot Rob !

#18 Asimov

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Posted 26 February 2012 - 05:29 PM

Thanks for that info Rob.

No problems Asi :waytogo:
If you want more specific or detailed explanations I am glad to help if I can :)


Thanks Rob. As you know, I didn't really get any further than testing it twice & went straight to the mounting of the optics in a light weight OTA & onto the EQ6. I have no doubt there would be room for improvement inside the box. I'm actually looking for something to pull to pieces & fix - Look out DOBbie! Asi's coming with his tools kit! :lol: :shocked:

#19 claytonbigwood

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Posted 27 February 2012 - 01:38 AM

Thanks for that info Rob.

No problems Asi :waytogo:
If you want more specific or detailed explanations I am glad to help if I can :)


Thanks Rob. As you know, I didn't really get any further than testing it twice & went straight to the mounting of the optics in a light weight OTA & onto the EQ6. I have no doubt there would be room for improvement inside the box. I'm actually looking for something to pull to pieces & fix - Look out DOBbie! Asi's coming with his tools kit! :lol: :shocked:

:ooo: :smashpc: :smashpc: :grin:

#20 claytonbigwood

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Posted 27 February 2012 - 01:43 AM

Only 4 corrections in 6 mins is very impressive Rob. At that kind of control a higher fl should be easily achieved. Looks like a centerfold shot is just around the corner!

Thanks Stuart,
I still have work to do on collimation, and then there is the seeing :)

#21 claytonbigwood

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Posted 27 February 2012 - 01:46 AM

Not bad at all! Nice shot!

Thanks James :) I think Seeing, focus or both let me down with this one.
It was really meant to be a session to sort out tracking issues with the Dob


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