10-13-2018 Ar2724 - Triple iron arch's

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Valery
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Re: 10-13-2018 Ar2724 - Triple iron arch's

Post by Valery » Sun Oct 14, 2018 2:50 am

What this (this sample) filter exact data? What is the telescope and full imaging train?

I see the arc in the center near the spot. But it is difficult to say what the real nature of it.
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MalVeauX
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Re: 10-13-2018 Ar2724 - Triple iron arch's

Post by MalVeauX » Sun Oct 14, 2018 3:53 am

Interesting.

I'm always curious how filaments in various wavelengths compare as filaments seen from above, hovering over the surface, compared to the same filaments on a limb with the void of space behind them, in various wavelengths, and why it's so hard to see them there when the should likely be more easy to spot and image, compared to a filament on the surface.

393nm or 540nm?

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Re: 10-13-2018 Ar2724 - Triple iron arch's

Post by marktownley » Sun Oct 14, 2018 8:17 am

Very good Apollo! Ferrets are definitely real, I see them with my CaK setup too.
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