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Old 08-03-2018, 01:03 AM
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Sebbie (Sebastian)
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Jupiter 3 Mar 2018

Hi everyone

It's been a while since my last post on this forum and I thought the time has finally come to dust off my Meade SCT and resume contributions. This being a Mars year I wanted to test drive the scope on high altitude Jupiter with previous attempts yielding mixed results when it was still 'down' in northern declinations.

Was going to get up at 3 on Sunday morning but slept in and finally made it outside quarter to 4. Luckily I had the scope aligned and the only thing left to do was centering and focusing (which always proves challenging at high F ratios). To make matters more interesting there was quite a lot of speckle cloud around with the image periodically disappearing from the preview. I've got a newly build notebook and had to repeat initial camera set up and colour calibration work again (using colour version of the ASI). It was a warm morning for CBR with not much wind so managed to get through these steps in relative comfort...

Being late I've missed Ganymede and Io shadow transit but managed to capture Io egress and both moons in close proximity to the planet. Imaged for around 2.5 hours with some periods of very good seeing (lots of detail in live preview). Half way through the session I was tempted to switch planets (Mars and Saturn following) but did not do so due to intermittent cloud. A window from 6 to 7 yielded very steady conditions (just in time for GRS to rise).

Here are some of the best results - WJ images are 9 minute derotated exposures with North on top. Low avg frame count at F30 / variable seeing meant that individual stacks combine only about 830 usable frames each. Including a snapshot of the FireCapture screen when the preview image was particularly good.

Thanks for taking a look.

Cheers,
Seb
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Click for full-size image (WJ-2018-03-03-1835_3-Seb-Jupiter-F30-Nth-Up.jpg)
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Click for full-size image (WJ-2018-03-03-1916_0-Seb-Jupiter-F30-Nth-Up.jpg)
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Click for full-size image (WJ-2018-03-03-1938_8-Seb-Jupiter-F30-Nth-Up.jpg)
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Click for full-size image (Jupiter-F30-3-Mar-2018.gif)
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Last edited by Sebbie; 08-03-2018 at 09:28 PM.
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Old 08-03-2018, 06:55 AM
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batema (Mark)
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Just stunning. Magnificent images. Good to see you dusted off.

Mark.
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Old 08-03-2018, 07:18 AM
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h0ughy (David)
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yep what Mark said ^^^^^^^

great results, i am yet to enter the realm of planetary imaging. i hope i can get something to the standard you have got
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Old 08-03-2018, 09:17 AM
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blinky (Leigh)
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Wow nice images! That white spot on the NEB is really bright. Apparently not in ch4 though. I'll be looking forward to your mars shots.

Leigh
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Old 08-03-2018, 12:45 PM
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Camelopardalis (Dunk)
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Very nice Seb
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Old 08-03-2018, 01:00 PM
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Old 08-03-2018, 04:30 PM
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Really nice!

Cheers

Dennis
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Old 08-03-2018, 09:40 PM
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Sebbie (Sebastian)
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Quote:
Originally Posted by batema View Post
Just stunning. Magnificent images. Good to see you dusted off.
Mark.
Thanks Mark, happy to be back

Quote:
Originally Posted by h0ughy View Post
yep what Mark said ^^^^^^^

great results, i am yet to enter the realm of planetary imaging.
..and I'm yet to enter deep sky realm - happy to share hints via a private message re equipment and setup.

Quote:
Originally Posted by blinky View Post
That white spot on the NEB is really bright. Apparently not in ch4 though. I'll be looking forward to your mars shots.
Leigh
Thanks Leigh, yes, my favourite target is Mars.. something romantic about that world throughout human history. I remember 1988 opposition down under and a gorgeous view I had through the 9" refractor at Stromlo. Almost saw canals lol. Methane filter is on my wish list.

Thanks Dunk, Troy and Dennis. I'll have another go tonight, hopefully no clouds in the morning.

Submitting couple of shots showing the sky and gear on Sunday morning.
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Old 09-03-2018, 08:39 AM
geolindon (Lindon)
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thanks for posting Sebbie
in the second image I presume its Ganymede and looks like albedo detail.
L
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Old 09-03-2018, 10:16 PM
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Originally Posted by geolindon View Post
in the second image I presume its Ganymede and looks like albedo detail.
L
Yes it is, with Io half way in transit.
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Old 09-03-2018, 11:00 PM
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Rigel003 (Graeme)
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Great animation!
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