Hello,
So, Please find my test image.
I tried to adjust the collimation as best as possible with the option "real time" and then I took a break of 20s BIN1x1.
Technical specifications include:
- Newton 254/1000
- Paramount MyT
- ASA 0.73x corrector
- Moravian G2-4000
- Image scale: 2,032
- Focal: 751.12
- RA 15 04 05.392
- DEC +26 48 25.53
The goal for the moment is to find the correct distance of the backfocus for the corrector.
The TILT will be the next step.
For Downloading Image .fit :
http://Link to Download image .fit
This is the field
thank you mark !
Just to be sure :
Backfocus CCD moravian and filter wheel : 33,5mm
Connected rings : 15mm
AOG : 15 mm
Filter astrodon : - 1mm
So : (33,5 + 15 + 15 - 1) = 62,5 mm
In conclusion, add 3mm extension rings to obtain 65,5mm
Hello,
I own the ASA 2" reducer 0.73 and I can not find the right measure for the BackFocus.
Here is my equipment:
Newton telescope : focal 766.94mm
I tried with the table in the documentation of the correction but I can not be the measure precisely.
Thank you in advance for your help.
Have a good day