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neptun2
professor emeritus


Reged: 03/04/07
Posts: 580
Loc: Bulgaria
HEQ5 mount movement question. new
      #2985279 - 03/15/09 01:02 PM

Hi all. I have heq5 mount (non goto version) and i can move the teleskope in RA and DEC in 2 ways - for large movement i should loosen the RA and DEC locks and manually swing the teleskope. For fine tuning i should lock the RA and DEC and use the hand controller. My question is - should i stop the tracking during manual large movements and turn it back on when i find the new object or i can leave it tracking during the large movement?

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Photo: Sony NEX-5N + 18-15 , Nikon D90 modified, Meade DSI Pro 2 as guider, TS 9mm off-axis guider
Binoculars: Nikon Action 12x50
Telescopes: Skywatcher Evostar 120ED f7.5 APO + TS 2" flattener
Mounts: HEQ5 Pro
Eyepieces: Nagler 11mm type6, Pentax XW 7mm, Televue 2X barlow 1.25"



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urke
member


Reged: 04/11/07
Posts: 94
Loc: Slovenia
Re: HEQ5 mount movement question. new [Re: neptun2]
      #2985660 - 03/15/09 05:04 PM

There's no problem making large movements during tracking, RA and DEC locks are actually a clutches, like in a car (you don't need to turn off your car to put it into 2nd...)

CS, Uros

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http://urke.astronom.si/

Sky-Watcher 250/1200 newton
Babygraph 90mm f/5.1 (Sky-Watcher 114/500 newton)
Canon EOS 350D, SX Lodestar
HEQ-5 SynScan PRO v3.x


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neptun2
professor emeritus


Reged: 03/04/07
Posts: 580
Loc: Bulgaria
Re: HEQ5 mount movement question. new [Re: urke]
      #2985669 - 03/15/09 05:10 PM

Ok thanks for the information. And one more question. I see that you have the synscan heq5. Have you tried prime focus photography without guiding (just polar align scope and tracking) and if yes how long exposures can be made using this method?

--------------------
Photo: Sony NEX-5N + 18-15 , Nikon D90 modified, Meade DSI Pro 2 as guider, TS 9mm off-axis guider
Binoculars: Nikon Action 12x50
Telescopes: Skywatcher Evostar 120ED f7.5 APO + TS 2" flattener
Mounts: HEQ5 Pro
Eyepieces: Nagler 11mm type6, Pentax XW 7mm, Televue 2X barlow 1.25"



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urke
member


Reged: 04/11/07
Posts: 94
Loc: Slovenia
Re: HEQ5 mount movement question. new [Re: neptun2]
      #2986515 - 03/16/09 04:24 AM

I allways do photography with autoguiding and drift polar aligned mount.
Once I've tried 1min exposures with 200mm tele and EOS but only 5 images out of 10 were "good".

--------------------
http://urke.astronom.si/

Sky-Watcher 250/1200 newton
Babygraph 90mm f/5.1 (Sky-Watcher 114/500 newton)
Canon EOS 350D, SX Lodestar
HEQ-5 SynScan PRO v3.x


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neptun2
professor emeritus


Reged: 03/04/07
Posts: 580
Loc: Bulgaria
Re: HEQ5 mount movement question. [Re: urke]
      #2986526 - 03/16/09 04:44 AM

Ok thanks for the info.

--------------------
Photo: Sony NEX-5N + 18-15 , Nikon D90 modified, Meade DSI Pro 2 as guider, TS 9mm off-axis guider
Binoculars: Nikon Action 12x50
Telescopes: Skywatcher Evostar 120ED f7.5 APO + TS 2" flattener
Mounts: HEQ5 Pro
Eyepieces: Nagler 11mm type6, Pentax XW 7mm, Televue 2X barlow 1.25"



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