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I need some advice 🙏


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Hi guys!

 

I’m really lucky to be going to Corfu on Monday! I haven’t been abroad for some time and struggling with making Astro kit decisions 

 Being so far south so close to the longest day I am hoping to capture an image of Rho Ophiunchi

I will be reverting back to one of 3 dslr cameras with a Samyang 135 lens 

canon 6d unmodified or canon 6d modified (full spectrum) with  a full frame clip in Idas D1 filter or a canon 60d (also full spectrum no filters, or clip in astronomic uhc, ha, oiii, lp filters)

I will be using an Astrotrac TT320AXG (remember them?!) on a Giotto tripod with 2 Manfrotto  410jnr heads, one for the Astrotrac, one for the camera of choice 

I would love to take a cooled mono with filters but I can’t work out the logistics! And I can’t carry power supplies or extension leads so I will be dependent on batteries 
 

so….

Which camera, filter combo will best suit my task?? 

I should add, I will only have couple of nights at the start of the holiday due to the moon phase and the site is south facing bottle 4 (ish) 

 

 

Thanks in advance for any suggestions! 😊

Bryan 

 

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I have done this target.  Half in Spain and half in UK (East Sussex). 
 

it is pretty big.  It is really broadband.   I would suggest it you don’t have a power source you stick to the Canon DSLR and use camera batteries.  
 

The target is broadband so should not need any filters and l would use the astro modified one.  
 

This is the image l took over 6 years.  I got the colour in Spain with a DSLR but was using the stock camera lens and didn’t like the star shapes.  Since then l acquired the excellent Samyang 135mm lens and got some Lum to add to it in East Sussex and better stars. But the FOV with the Samyang and my ATIK460EX was too big so had to do it twice and mosaic it.  You should be ok with a DSLR.

 

l use Blackwater Skies Imaging Toolbox to work out the FO V with my kit.  
https://www.blackwaterskies.co.uk/imaging-toolbox/
 

My image, hope this is of some help.  

 

7D9CD344-1B4F-4D4D-81CB-43AA1D5F28F1.jpeg

Edited by Carastro
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4 minutes ago, Carastro said:

I have done this target.  Half in Spain and half in UK (East Sussex). 
 

it is pretty big.  It is really broadband.   I would suggest it you don’t have a power source you stick to the Canon DSLR and use camera batteries.  
 

The target is broadband so should not need any filters and l would use the astro modified one.  
 

This is the image l took over 6 years.  I got the colour in Spain with a DSLR but was using the stock camera lens and didn’t like the star shapes.  Since then l acquired the excellent Samyang 135mm lens and got some Lum to add to it in East Sussex and better stars. But the FOV with the Samyang and my ATIK460EX was too big so had to do it twice and mosaic it.  You should be ok with a DSLR.

 

l use Blackwater Skies Imaging Toolbox to work out the FO V with my kit.  
https://www.blackwaterskies.co.uk/imaging-toolbox/
 

My image, hope this is of some help.  

 

7D9CD344-1B4F-4D4D-81CB-43AA1D5F28F1.jpeg

Hi Carole! 
 

I remember seeing this when you posted it on another forum!

it is a stunning image!! 
 

we have communicated before on there regarding the qhy 135 adapter and Atik compatibles 


Thank you for your input! I was starting to lean towards the unmodified camera due to the reflection nature of this object, but you think I would gain from using the modified camera? 
It has an Idas lp filter installed 

https://www.astroshop.eu/broadband-filters/idas-filters-lps-d1-canon-eos-full-frame/p,68949

I’m wondering if I should remove it if it turns out the local lp is really low? 
 

thanks again for the reply 

 

kind Regards 

Bryan

 

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I am not the most technical or analytical imager and only speak from personal experience. 
 

lt is a very colourful area and l think you might loose some colour with the unmodified camera.   
 

l see you have a clip in Ha filter.  I am on the ponce to borrow one for when l go to La Palma in 2024.  Really don’t want to have to buy one just for a single use.  Sorry to hi jack your thread.  But just thought l’d mention it.
 

Carole 

Edited by Carastro
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Thanks Carole 

You are more than welcome to borrow my ha clip in filter if you like? 
It’s not for a full frame camera though

I have clip in ha, oiii and cls for my cropped frame 40, 450, and 60d cameras (which I haven’t used for quite some time!) 

If suitable, I’d be happy to lend them to you? 
 

cheers 

Bryan 

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