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Martyn_Bannister

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Image Comments posted by Martyn_Bannister

    Deneb

          5

    Thanks Keiran, yes, it is unguided (that'll be my next want :)). I think any field rotation might be lens distortion? If the polar alignment was off, wouldn't there be trailing in the centre too (given that this shot is of Deneb i.e. virtually overhead) ?

    What gets me is there is no color at all. A lot of shots I see (yours and other people) have a lot of nebulosity in them. Is this done with filters, processing, or is it natural?

  1. Finally got my tracking mount working. This is now mounted on the ultra cheap surveying tripod. I am still getting to grips with DSS and so this is by no way the best of the pictures I took at 2am this morning (oh my aching head!)

    This one stacked from 10 x 4 minute shots using a Tamron Twin-Tele 135mm manual focus lens at f4 and ISO 400 on my Canon 5D Mk1 full frame classic.

    Spot the double star!

    Other attempts at stacking in my album. Boy, still got a lot to learn :)

  2. You may be right russ, however it looked very sharp in the viewfinder, but awfully muddy in the unprocessed shot. I had the mirror locked up and self timer on, so the only thing I can think is either mirror shake, or dirty sensor. I know the sensor has dust on it, but I don't feel it is smeared with anything. I hope :icon_salut:

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