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Old 17-08-2021, 07:09 AM
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Camelopardalis (Dunk)
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Triple transit with dark scoops

Folks,

Barely qualifies as the triple transit, but in the raw data Callisto was still inseparable from its parent, so I'm going to roll with that

Sunday evening had been cloudy, and while it was slow to move, it did sweep northwards... about 10 minutes too late for my liking. However, there was a couple of minutes (literally) where the seeing was decent before it totally turned to fuzz

Scope: Celestron EdgeHD 11"
Camera: ZWO ASI462MC
Barlow: WO 1.25" screw-on
Mount: Sky-Watcher EQ8

Enjoy
Dunk
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Old 17-08-2021, 07:57 AM
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multiweb (Marc)
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That's awesome Dunk.

In terms of clarity that has to be the money shot so far. Damn you QLDers and you're impeccable seeing.
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Old 17-08-2021, 09:01 AM
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Camelopardalis (Dunk)
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Originally Posted by multiweb View Post
That's awesome Dunk.

In terms of clarity that has to be the money shot so far. Damn you QLDers and you're impeccable seeing.
Thanks Marc

I'm less than 5km from the ocean as the crow flies and it can be pretty variable when it chooses, all the grown-ups live inland where it's more stable. Sometimes (for example, the night before) it can be good for hours... just not this time

Here's why I packed up and went to bed
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Old 17-08-2021, 09:05 AM
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Originally Posted by Camelopardalis View Post
Thanks Marc

I'm less than 5km from the ocean as the crow flies and it can be pretty variable when it chooses, all the grown-ups live inland where it's more stable. Sometimes (for example, the night before) it can be good for hours... just not this time

Here's why I packed up and went to bed
ha yeah I can easily relate to the the 30min later. And I'm a grown up... I think.
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Old 17-08-2021, 10:15 AM
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That's a beauty Dunk!
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Old 17-08-2021, 10:49 AM
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Fantastic detail! You’ve done really well to get the surface detail in Ganymede too! Great work!
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Old 17-08-2021, 12:05 PM
Dennis
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Superb images Dunk, these are excellent.

It has also been quite educational to see how the seeing varies so locally, even between the relatively close together suburbs of Brisbane.

Cheers

Dennis
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Old 17-08-2021, 12:56 PM
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Camelopardalis (Dunk)
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Quote:
Originally Posted by multiweb View Post
ha yeah I can easily relate to the the 30min later. And I'm a grown up... I think.
Where's the fun in growing up?!

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Originally Posted by Retrograde View Post
That's a beauty Dunk!
Thanks Pete!

Quote:
Originally Posted by Dave882 View Post
Fantastic detail! You’ve done really well to get the surface detail in Ganymede too! Great work!
Thanks Dave - we get what the atmosphere gives us

Quote:
Originally Posted by Dennis View Post
Superb images Dunk, these are excellent.

It has also been quite educational to see how the seeing varies so locally, even between the relatively close together suburbs of Brisbane.
Thanks Dennis! This seeing change that night was quite unusual. It's typical to get average conditions with some good bits (but also bad bits), but the seeing pretty much dropped off a cliff that night. I'm speculating but the cloud was moving slowly and steadily (possibly good seeing, but poor transparency), and the seeing was above average for a few mins after the clouds moved out the way but then got bad quite quickly... almost as if what was pushing the cloud away moved overhead, and I was "lucky" in the calm lead-up. But I'm no meteorologist
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Old 17-08-2021, 01:41 PM
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Very nice, well done. As you say, maybe you were lucky with the seeing, but luck does favour the pre-planned and pre-pared.!
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Old 17-08-2021, 02:02 PM
Dennis
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Originally Posted by multiweb View Post
That's awesome Dunk.

In terms of clarity that has to be the money shot so far. Damn you QLDers and you're impeccable seeing.
Hi Marc

Impeccable!

Look at this fuzzy Jupiter blob from one of my SER Files taken at 01:24am that Autostakkert tried to untangle.

Cheers

Dennis
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Old 17-08-2021, 02:05 PM
Dennis
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Originally Posted by Camelopardalis View Post
>snip
Thanks Dennis! This seeing change that night was quite unusual. It's typical to get average conditions with some good bits (but also bad bits), but the seeing pretty much dropped off a cliff that night. I'm speculating but the cloud was moving slowly and steadily (possibly good seeing, but poor transparency), and the seeing was above average for a few mins after the clouds moved out the way but then got bad quite quickly... almost as if what was pushing the cloud away moved overhead, and I was "lucky" in the calm lead-up. But I'm no meteorologist
Just returned for another look at your images Dunk, amazing clarity and image scale.

Cheers

Dennis
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Old 17-08-2021, 02:07 PM
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Hi Marc

Impeccable!

Look at this fuzzy Jupiter blob from one of my SER Files taken at 01:24am that Autostakkert tried to untangle.

Cheers

Dennis
C'mon mate... come clean. That looks like my focus run after two bottles of Chardonnay.
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Old 17-08-2021, 09:33 PM
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Camelopardalis (Dunk)
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Originally Posted by big-blue View Post
Very nice, well done. As you say, maybe you were lucky with the seeing, but luck does favour the pre-planned and pre-pared.!
Thanks mate! It was a bit of a panic when I noticed stars showing up to the south, I had already covered the scope up

Quote:
Originally Posted by Dennis View Post
Just returned for another look at your images Dunk, amazing clarity and image scale.

Cheers

Dennis
Cheers Dennis! I should add that this was shot from the Sunny Coast, and your AS!3 looks remarkably similar to mine from 30 minutes after this shot.

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C'mon mate... come clean. That looks like my focus run after two bottles of Chardonnay.
I thought this was the problem autofocus was developed to solve
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