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I would guess this is an attachment to facilitate afocal photography? The two eyepiece clamps are placed differently with respect to the camera screw to allow different set-ups.
Cheers James: good image stretching. And thanks all.
Let’s hope August gives us good astro weather, with a large high pressure area stuck over the UK affording clear skies and still air. LOL. David
The link works. Thanks very much Jeremy – I had overlooked this option, which is very useful. And yes, the other stars are there. Great issue of the journal by the way. David
Hello,
Yes, I’ve been looking at recent images taken by others that are publicly available – trying to find images at a similar scale is quite difficult! – and many of the ‘problem’ stars are in their images, so I’m more confident that there isn’t a major problem with my set-up. I’m planning to get more into deep sky imaging, hence the basic questions.
David
Grant, I have searched – in vain – for information about deployment of the reflective sheets. Where I am, it was completely overcast last night (18/19 Jul), so I made no observation. Lars, I have yet to see a report on a positive sighting. You may well be right.
Thanks Martin. Visually I could make out Titan easily, not so much the dimmer trio (it doesn’t help being so close to the summer solstice of course!). The camera makes light work of them. I’ll keep trying with Mimas: it’s a long wait till the rings are edge on! I’m pretty sure I’ve got a positive on Enceladus – there’s a definite concentration of signal (see my posted observation, and please give an honest opinion) where it is predicted to be by my planetarium application. I’ll have to be patient for a favourable elongation for Mimas – if there is such a thing!
