observing with paracorr2 and delos

[Marcel]

Hi Everyone,

Seems like we have a bit af a problem. The hardware : skywatcher EQ6 R Pro, skywatcher photonewton 200 mm, paracorr2, delos 6 and 17,3 mm. The problem is : its very difficult to get a nice clear picture of Jupiter and mars. When we are using the paracorr2 in combination  with the delos it is almost impossible to get a clear picture. Even we must extend the paracorr2 otherwise it comes not in focus. 

I have a few questions for you :

1. do i need the paracorr2 for observing only? or is it only for imaging?

2. why comes it not in focus? What are we doing wrong?

3. how can i attach the astronomik UHC filter to the paracorr2?

4. is the paracorr2 only working with lower magnification?

 

Thanxxx for helping us out

Kind regards

[alanjgreen]

3 hours ago, Marcel said:

Hi Everyone,

Seems like we have a bit af a problem. The hardware : skywatcher EQ6 R Pro, skywatcher photonewton 200 mm, paracorr2, delos 6 and 17,3 mm. The problem is : its very difficult to get a nice clear picture of Jupiter and mars. When we are using the paracorr2 in combination  with the delos it is almost impossible to get a clear picture. Even we must extend the paracorr2 otherwise it comes not in focus. 

I have a few questions for you :

1. do i need the paracorr2 for observing only? or is it only for imaging?

2. why comes it not in focus? What are we doing wrong?

3. how can i attach the astronomik UHC filter to the paracorr2?

4. is the paracorr2 only working with lower magnification?

 

Thanxxx for helping us out

Kind regards

Hi Marcel,

I am not familiar with your scope, internet search says it is 200mm aperture, 800mm focal length so f4, is this correct?

Can you use (reach focus) with the Delos on its own without the Paracorr2?

- your scope may be intended for imaging and you need to buy an extension tube to put into the focuser for visual use  

If your scope is one of these

https://www.365astronomy.com/lacerta-200-800-photo-newton-reflector-telescope-with-octo60-focuser-w-carbon-tube-carbon-tube-made-in-germany-assembled-in-austria-package-with-4-lens-gpu-comacorrector.html

the description seems to suggest it has some sort of coma corrector already?

 

As far as your questions go...

1. Paracorr2 is for visual use

2. You need to turn the top of the paracorr2 to the correct position (letter) for the eyepiece you are using. Televue provide a table on their website of the correct setting for each eyepiece. I remember the positions are different for the 17.3 Delos and the 6mm Delos. Position "A" for 17.3mm and position "D" for your 6mm Delos.

3. 2 inch filters are screwed onto the outside of the bottom of the paracorr2

4. Paracorr works with all Televue eyepieces listed in the table

http://www.televue.com/engine/TV3b_page.asp?id=61&Tab=_ttop

 

Alan

[Marcel]

7 hours ago, alanjgreen said:

Hi Marcel,

I am not familiar with your scope, internet search says it is 200mm aperture, 800mm focal length so f4, is this correct?

Can you use (reach focus) with the Delos on its own without the Paracorr2?

- your scope may be intended for imaging and you need to buy an extension tube to put into the focuser for visual use  

If your scope is one of these

https://www.365astronomy.com/lacerta-200-800-photo-newton-reflector-telescope-with-octo60-focuser-w-carbon-tube-carbon-tube-made-in-germany-assembled-in-austria-package-with-4-lens-gpu-comacorrector.html

the description seems to suggest it has some sort of coma corrector already?

 

As far as your questions go...

1. Paracorr2 is for visual use

2. You need to turn the top of the paracorr2 to the correct position (letter) for the eyepiece you are using. Televue provide a table on their website of the correct setting for each eyepiece. I remember the positions are different for the 17.3 Delos and the 6mm Delos. Position "A" for 17.3mm and position "D" for your 6mm Delos.

3. 2 inch filters are screwed onto the outside of the bottom of the paracorr2

4. Paracorr works with all Televue eyepieces listed in the table

http://www.televue.com/engine/TV3b_page.asp?id=61&Tab=_ttop

 

Alan

Hi Alan,

Thank you for your reply. Yes i know that you can adjust the paracorr2 to reach focus for the eyepiece but in my case i must extend the paracorr2 to reach focus. In my opinion i am doing something wrong. our skywatcher telescope is BKP 200DS.

Tomorrow i use the links you send me. Tankxxx!

Marcel

[alanjgreen]

1 hour ago, Marcel said:

Hi Alan,

Thank you for your reply. Yes i know that you can adjust the paracorr2 to reach focus for the eyepiece but in my case i must extend the paracorr2 to reach focus. In my opinion i am doing something wrong. our skywatcher telescope is BKP 200DS. 

Tomorrow i use the links you send me. Tankxxx!

Marcel

Marcel,

The skywatcher website says your scope is shortened for astrophotography use -

The new Sky-Watcher BKP 200 OTA Dual Speed incorporates superb mirror-set with two significant advantages. A Dual-Speed 10:1 ratio focuser is now included for excellent focusing precision. Also, the tube length has been slightly shortened to optimize performance for prime-focus photography. Even better performance for astrophotography and visual use can be achieved when used in combination with Sky-Watcher’s Newtonian coma corrector.

 

Can you get any eyepiece to work?

 

Is there an EXTENSION TUBE in the box? If so, then you need to put this tube into the focuser, then put the paracorr2 into the extension tube, then put the eyepiece into the paracorr2

 

 

 

You may need something like these to reach focus with an eyepiece  

http://www.televue.com/engine/TV3b_page.asp?id=92

https://www.firstlightoptics.com/adapters/tele-vue-extension-tubes.html

https://www.firstlightoptics.com/adapters/moonlite-15-focus-extension-tube.html

https://www.firstlightoptics.com/adapters/baader-2-clicklock-clamp-37mm-extension.html

 

HTH, Alan

[JOC]

I have no experience and am only a novice, but I guess it might be interesting for the helpers to know if you can focus on distant terrestrial objects like aerials, trees, spires etc. during the daytime. Mind the sun though.

[Marcel]

On ‎19‎/‎08‎/‎2018 at 23:43, alanjgreen said:

Marcel,

The skywatcher website says your scope is shortened for astrophotography use -

The new Sky-Watcher BKP 200 OTA Dual Speed incorporates superb mirror-set with two significant advantages. A Dual-Speed 10:1 ratio focuser is now included for excellent focusing precision. Also, the tube length has been slightly shortened to optimize performance for prime-focus photography. Even better performance for astrophotography and visual use can be achieved when used in combination with Sky-Watcher’s Newtonian coma corrector.

 

Can you get any eyepiece to work?

 

Is there an EXTENSION TUBE in the box? If so, then you need to put this tube into the focuser, then put the paracorr2 into the extension tube, then put the eyepiece into the paracorr2

 

 

 

You may need something like these to reach focus with an eyepiece  

http://www.televue.com/engine/TV3b_page.asp?id=92

https://www.firstlightoptics.com/adapters/tele-vue-extension-tubes.html

https://www.firstlightoptics.com/adapters/moonlite-15-focus-extension-tube.html

https://www.firstlightoptics.com/adapters/baader-2-clicklock-clamp-37mm-extension.html

 

HTH, Alan

Hi Alan,

I am waiting for a clear sky. (laughing) Whithout  the paracorr2 even my 6mm delos comes in to focus. Next week i wil try the links. Thanxxxxx

[Marcel]

On ‎20‎/‎08‎/‎2018 at 07:33, JOC said:

I have no experience and am only a novice, but I guess it might be interesting for the helpers to know if you can focus on distant terrestrial objects like aerials, trees, spires etc. during the daytime. Mind the sun though.

Hi, yes i know and thats working fine but in the sky its a different matter. (laughing)

Thankxx