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Coma corrector help

Skooby

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Skooby

Skooby

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Hi I've bought the baader mpcc photo visual set and I'm gonna use it for imaging but not sure how you connect it up there's a few bits with it that screw together. Anyone used this kit and know how it all goes together from the camera to scope? Thanks.

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Stephen

Stephen

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From memory the only bit you want is the bit with glass in it, put all the rest to one side.

The bit with glass in it has a 2" barrel, that pushes into the scope. The other end has a thread on it, that goes into your camera or t-ring (as appropriate)

Edit : There is one very slim threaded part (it's got writing on it) that I never worked out if it needed to be on the corrector or not - maybe someone else can answer that :)

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Stephen

Stephen

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Right got you thanks Stephen. Do you know if you can connect anything else to it like a barlow etc? Thanks.

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It's not really designed to be used like that whilst imaging - if you use a barlow (in some way, which is pretty much a bad idea for deep sky) then you effectively remove the coma as you're only looking at the central part of the image

You can put a 2" filter on the bottom of it (the bit that goes foremost into the scope.)

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Skooby

Skooby

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Thank you tinker1947 I was right then when I set it up put my mind at rest now thank you I was advised to get one for my sw 250pds I also have a canon 600d so similar to your camera. I also had the photo visual set do what are the spacers and reducers in the pack for? Thanks.

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Stephen

Stephen

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Thank you tinker1947 I was right then when I set it up put my mind at rest now thank you I was advised to get one for my sw 250pds I also have a canon 600d so similar to your camera. I also had the photo visual set do what are the spacers and reducers in the pack for? Thanks.

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The spacers and things are for when using it visually. Each scope / eyepiece combination will have a different spacing requirement to correctly remove the coma

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Skooby

Skooby

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I'm not sure if this is of any help or if you've seen this.

www.baader-planetarium.com/pdf/mpcc_e.pdf‎

Lee

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Thanks leelee that's a brill help I can now see how both camera and visual fit it's saved in to my books for use later thanks. And thanks everyone else been most helpful all I need now is a clear night :/ thanks.

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mitchelln

mitchelln

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Welcome to the wonderful world of Baader!

I have a number of Baader items now and I've now found loads of weird and wonderful ways to combine all the various adapters, collars and spacers that come with them. I can connect just about anything to anything at whatever focus point I need now. We should have a competition to come up with the most novel combination of parts ;)

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Skooby

Skooby

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Here one of mine, 3 Click Locks

DSC_0011.jpg

Then 2 in tis set-up, i can swap bits faster than they change wheels in formula 1.....

DSC_0012.jpg

or just the 1 with the DSLR

DSC_0013.jpg

Or the Diaganal .....

DSC_0009.jpg

Thanks tinker for your photos some good set ups. I have another question I've bought a few things. T rings barlows coma correctors. What other important or essential accessories for imaging would you say I need? Like extension tubes focal lens short and long? Reducers? Etc thanks.

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Skooby

Skooby

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Funny enough I've got that book and have just started to take it to work and read. But I like to here off people what they got. My scope and mount came Monday sw 250pds on a eq6 mount and a canon 600d camera I've got a good t ring adapter coma corrector barlow. I'm pretty much ready to go it's just this weather. I just wanna make sure I'm not missing anything else thanks.

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Tinker1947

Tinker1947

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You won't really need the Barlow unless your going to use a webcam, get the mount polar aligned not close, better than that, you should get long'ish subs, i used 800 ISO all the time, brought a Intervolmeter there cheap on Amazon/Ebay but allow for multi-imagines while you go have a cuppa tea, get to know where your focal point is when you swap from a EP to the DSLR then use a B/mask or Liveview to get the focus right, dew shield for the scope will help a lot, mains PSU 13.8 Volts keep it inside and make up a 20-30m (your distance to the mount)  lower voltage power lead. 

http://www.amazon.co.uk/NEEWER%C2%AE-Shutter-Release-Remote-Control/dp/B00FS7PR1W/ref=sr_1_6?ie=UTF8&qid=1391114224&sr=8-6&keywords=canon+600d+remote+control

FLO or Maplins

http://www.firstlightoptics.com/power/maplins-xm21x-7a-138v-regulated-mains-power-supply.html

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Skooby

Skooby

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Thanks tinker this has been really helpful I've now got a good idea of what I need to purchase I've just ordered a intervolmeter I'll get a b mask and indoor power supply I'm using a 17ah jump pack which seems to work well for when I'm mobile. So with this intervolmeter I set my camera to bulb mode and say set the meter to a minute exposer and it will take photos at those intervals then isit? If I remember you had the same scope and mount as me? Have you any online images so I can see what kinda results I can expect thanks.

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Tinker1947

Tinker1947

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i only took images of Messiers as i found them (no Goto used) so it wasn't fly through 10 a night, nothing online, just get the PA set-up if you can't keep the scope and mount set-up try to mark where the tripod legs go so setting up time is reduced, don't make it a chore, have fun...

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