Not needed one before. First go with an electric focuser. Mainly because they've only just become affordable; curiosity.
The Gemini focuser uses the MyFocuserPro2 driver under the DIY section of the focuser menu.
As we are probably going to have one focuser for each telescope -it's silly having to change focuser hardware each time- we gave the gemini focuser an alias:
in kstars
Tools -> Devices -> Custom Drivers
The MyFocuserPro2 now appears as gemini_1, so we choose that as the focuser for the profile. Any changes made to this focuser e.g. a preset, are now stored at:
-rw-rw-r-- 1 steve steve 5605 ene 10 10:30 gemini_1_config.xml
-rw-rw-r-- 1 steve steve 5073 ene 10 10:28 gemini_1_config.xml.default
-rw-rw-r-- 1 steve steve 5188 ene 9 22:55 MyFocuserPro2_config.xml
-rw-rw-r-- 1 steve steve 5188 ene 4 16:51 MyFocuserPro2_config.xml.default
Nudge the focuser to get close to focus (take a e.g.1s exposure after each nudge) then hit Auto Focus.
Miraculously, after a minute or so:
Focus settings whilst imaging (i.e. re-focusing) are accessed via the Capture module 'Limits' button:
And hey, despite the awful seeing, a pretty picture. Still no idea how to process refractor images but anyway... Oh, and found the bloated stars solution: the rubbish svbony uv-ir cut filter. Put an equally cheap Laida filter instead and it's much better. See the m33 above.
| galaxies m81 bode's with m82 el puro in ursa major tr533 on sv122 16xm min @ hcg100 |
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