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Old 08-10-2021, 02:24 PM
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michelbach (Brad)
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Jupiter & moon activity composite - 15th Aug

On 15th August, there was a lot of moon activity near Jupiter.

It started with Callisto crossing the disc and casting a shadow near the GRS. Shortly afterwards Ganymede and Europa cross in pairs until Ganymede eclipses Europa hiding it from our view, but still casting double shadows! The time span of this sequence is ~4 hours.

C9.25 EdgeHD at f22, ASI290MM, Astronomik LRGB IIc, 1x30s RGB, Adelaide.

Thrilled to have resolved moon surface details for the first time too!
- Brad
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Old 08-10-2021, 08:34 PM
Hans Tucker (Hans)
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Quote:
Originally Posted by michelbach View Post
On 15th August, there was a lot of moon activity near Jupiter.

It started with Callisto crossing the disc and casting a shadow near the GRS. Shortly afterwards Ganymede and Europa cross in pairs until Ganymede eclipses Europa hiding it from our view, but still casting double shadows! The time span of this sequence is ~4 hours.

C9.25 EdgeHD at f22, ASI290MM, Astronomik LRGB IIc, 1x30s RGB, Adelaide.

Thrilled to have resolved moon surface details for the first time too!
- Brad
Love how the series of images seems to draw ones attention less on Jupiter and more onto the Moons. This is good .. real good
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Old 09-10-2021, 10:11 AM
Saturnine (Jeff)
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Really nice set of images of the transits, very good detail captured, with albedo features on Ganymede a bonus.
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Old 09-10-2021, 12:09 PM
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michelbach (Brad)
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Thanks Hans and Jeff! Was fortunate to have some very brief windows of good seeing in between all the clouds!
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Old 09-10-2021, 12:38 PM
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multiweb (Marc)
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Superb set of images. Really nice.
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Old 09-10-2021, 12:46 PM
Dennis
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Excellent series showing the dynamics of the Jovian system.

Cheers

Dennis
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Old 09-10-2021, 08:03 PM
gb44 (Glenn)
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Brad,
Is that with a powermate or 2x barlow?
Excellent work !
GlennB
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Old 10-10-2021, 01:02 AM
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michelbach (Brad)
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Thank you

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Originally Posted by gb44 View Post
Brad,
Is that with a powermate or 2x barlow?
Excellent work !
GlennB
I was using a Bintel 2.5x 3-element barlow. It's more like ~2.2x, works pretty well with my sampling.
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