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chiltonstar

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Posts posted by chiltonstar

    Jupiter 2nd Oct

    in Imaging - Planetary

    Posted

    Nice.

    With my 180 Mak last night, I found there was a lot more shadow detail on the disk than I normally see - transparency maybe as the Milky Way was very bright and clear with the naked eye. I always think it looks weird when the moon shadow is "on the wrong side" after opposition.

    Chris

    Io transit 9th September

    in Imaging - Planetary

    Posted · Edited by chiltonstar

    Always a joy to watch moon transits across Jupiter. I put the camera on the scope for this one as the seeing was half decent, although the transparency wwas poor and dew was running off everything including the laptop.

    180 Mak, AS1220 Colour camera, ADC. Image processed in AS and PS.

    Chris

     

    comp.png

    • Like 8

    When is a split not a split?

    in Observing and Imaging Double and Variable Stars

    Posted

    16 hours ago, Stu said:

    @chiltonstar may be able to add some useful info to this.

     

    If I can see the secondary clearly I feel I've split it - sometimes increasing the mag does make the secondary clearer, either by moving it away from the diff ring (if it is close to it, not actually embedded in it), or by making the diff ring fainter and the Airy disk of the secondary more apparent. I often use a zoom EP to play with the mag until I have the best view.

    The attached stacked image is Zeta Her with a 127 Mak - I would say it is "split".

    Chris

     

    zetahercf.jpg

    • Like 2

    Saturn 19/08/22

    in Imaging - Planetary

    Posted · Edited by chiltonstar

    Another Saturn, imaged last night around midnight. Compared with a few days ago, the transparency was better showing more banding on the disk, but slightly less ring detail as the seeing was slightly poorer. I've shown both for comparison.

    Mak 180 at f15, ADC, AS1220 colour camera. AVIs stacked in 3000 frame stacks in AS, then stacked and sharpened in Registax.

    Chris

     

     

    saturn190822a.png

    saturn100822a.png

    • Like 13

    Saturn 10th August with a Mak

    in Imaging - Planetary

    Posted · Edited by chiltonstar

    Saturn is looking a little clearer here as the heat haze seems to be improving a bit in these parts, although there are clouds of dust and wheat and barley chaff to contend with as the combines work to the E, S, and W of my garden.

    Imaged around midnight at f15, 180 Mak, ADC and ASI220  colour camera, 3000/10000 frames.

    Chris

     

     

    Sat100822a.png

    • Like 12
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