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From AST Optics selling my mini guiding system that i used for my Redcat51 , i have used it also with my Esprit 100 and had excellent guiding results.
There is a nice review here if someone wants to read :
Lens: f=100mm F3.5 CCTV objective - made in Japan
Adjustment: by ballhead - with reliable clamping
Dovetail: compatible with most finder shoes
True field of view: 2.9° x 3.8°
Maximum guidable focal length: 1000 mm
Focusing: via lens cell
Connection to camera: C-Mount
Lens filter thread: M30.5mm P=0.5
Weight: 79 grams
Length of the objective: 44 mm
PRICE : £100 (selling the mount and the CCTV lens not the camera)
Paypal accepted buyer pays the fees
I will cover the postage expenses
I have guiding problem with the following guider setup: 9x50 finder + ZWO ASI 120mm mini + PHD2.
The imaging scope is a 6' newtonian + canon dslr on a HEQ5, driven by a laptop via diy EQDIR cable.
When the mount is set up and running correctly, polar aligned and all... I connect the guider camera
and mount with phd2. All nice and easy, I run a calibration, then it starts to guide. All seems ok.
Then I am starting to take pictures. The first seems OK, then the second have the star trails...
I check phd2 and there is a message: the camera (ASI) did not take a picture for "xy" seconds so it is disconnected.
Grrr.... I reconnect try to set up a longer period for "xy" in the settings as mentioned in the message.
And all the same again and again. Whatever I add for connection timeout for the camera, it just reaches that
and disconnect the camera.
PHD + philips toucam has worked for me flowlessly. I changed to PHD2 because I gave myself a birthday present,
the little ZWO camera. (and PHD did not recognize it)
Do you have any idea what can be the problem? I will contact PHD2 help also, but maybe somebody had already
the same problem and figured out how to overcome. I am almost sure I make some dumb mistake in the PHD2
software settings, however I tried to change only what was needed.
Ok, so this is a really annoying bug / problem that I have with my setup:
From time to time, in non regular intervals the image my guiding cam (ZWO ASI120) send seems to get flipped / mirrored or looks like it's from a completely different patch of sky.
When I'm paying attention to the guide images I can clearly see that the image seems to be flipped in some way.
It only happens for 1 frame PHD send a warning ( No star found / Star lost Mass changed) and after that everything is fine again. My gear is all connected to a single USB3 Hub which then runs via powered USB3 cable to my Pc.
I'm not binning and have the noise reduction off (though PHD might got hickups while processing) but it still happens. Sometimes there are minutes between two events sometimes it happens 5 times in a row.
It also seems like it's only happening during guiding, I haven't seen it happen during calibration yet...
I'm completely clueless what's happening or how to get rid of it, any help / idea is greatly appreciated.