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Old 04-10-2021, 09:57 PM
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multiweb (Marc)
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Venus UV/IR 04/10/2021

Cool night tonight after a quite a warm day. Bit of annoying surface wind but still managed to nab a few pics of Venus.

Added an animation from 07:54 to 08:17 UTC covering nearly 20min. Still on my quest to catch anything moving.

https://www.astropic.net/astro/2021-...817-UV-Ven.gif [2.5MB]
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Last edited by multiweb; 07-10-2021 at 05:51 PM. Reason: Added Animation
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Old 05-10-2021, 08:26 AM
Dennis
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Nice work Mark, how high was Venus above the horizon at the time?

Cheers

Dennis
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Old 05-10-2021, 10:25 AM
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Nice work Mark, how high was Venus above the horizon at the time?

Cheers

Dennis
Thanks mate. About 35 degrees.
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Old 05-10-2021, 11:38 AM
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Thanks mate. About 35 degrees.
Thanks Marc, that would unfortunately put it in the tree line from my back yard location.

Some nice tonality, given the thickness of Earth's atmosphere you are having to shoot through.

Cheers

Dennis
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Old 05-10-2021, 12:13 PM
Saturnine (Jeff)
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Loving your Venus imaging lately Marc, what band pass is your IR filter.
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Old 05-10-2021, 12:24 PM
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RB (Andrew)
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Marc, this is amazing!!!
Honestly, well done mate!

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Old 05-10-2021, 02:17 PM
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Quote:
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Thanks Marc, that would unfortunately put it in the tree line from my back yard location.

Some nice tonality, given the thickness of Earth's atmosphere you are having to shoot through.

Cheers

Dennis
Ha yeah I'm lucky my west horizon is pretty clear. Just a lot of roofs giving heat that's why I try to catch it high when the sky is still clear. Shooting in 16bit gives you a better dynamic range and makes a difference when you shoot in daylight. I've given up on Mercury. Too low for my location and turbulence.

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Loving your Venus imaging lately Marc, what band pass is your IR filter.
Thanks mate. On this one I used a 807nm Astronomik IR. I also have the 742nm IR from the same brand. TBH I can't really see any difference on Venus or Mercury. I can on Jupiter and Saturn though. The 807nm gives me a little more contrast. I saw a handful of shots at 1000nm with some details. I'm not sure if it was the location or processing or the actual filter but these are the only Venus IR shots with significant details that I have seen. I have a 850nm and 900nm 10nm wide so I might give it a go with that. I also have a polarized filter which is supposed to give interesting results. Straight Blue and Violet filters give different variations as well. So you can easily map Blue, Violet and UV to RGB. Something I want to try as well.

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Marc, this is amazing!!!
Honestly, well done mate!

Thanks a lot Andrew.
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Old 05-10-2021, 04:23 PM
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rustigsmed (Russell)
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well done Marc - great result!
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Old 06-10-2021, 08:08 AM
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well done Marc - great result!
Thanks Russel.
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Old 06-10-2021, 11:35 PM
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Another great composition Marc
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Old 07-10-2021, 08:38 AM
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Another great composition Marc
Thanks Dunk.
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