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Old 18-04-2021, 09:56 AM
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The Leo Triplet

This is a 2x1 mosaic of the Leo Triplet, captured with an RC8 (focal reduced to 1200mm) and ZWO 1600MM on a Mach1 in outback SA.

Most of the data was taken on a trip there last weekend, though the colour data on M65/M66 was taken last month there and the colour data and a bit of the luminance on NGC 3628 a few years ago.

There is about 6 hours of luminance in each panel. About 1 hour each of RGB in one panel and 0.5 hour each in the other. 5 minute subs.

Astrobin version is here.

Finally starting to break (a bit!) the recent curse of continuous clouds and even rain in the Flinders Ranges!
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Old 18-04-2021, 10:02 AM
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Outstanding
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Old 18-04-2021, 11:18 AM
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Great image!


Mark
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Old 18-04-2021, 03:11 PM
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Wow. Looks like the sort of result you would expect from much larger aperture instrument, with great resolution and processing.

Well done
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Old 18-04-2021, 03:20 PM
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Outstanding
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Originally Posted by markas View Post
Great image!


Mark
Quote:
Originally Posted by keller60 View Post
Wow. Looks like the sort of result you would expect from much larger aperture instrument, with great resolution and processing.

Well done
Thank you Marc, Mark and Bill.

Re resolution, I guess the collimation is quite good on that scope ... and it seems to hold collimation for ages (including over gravel roads to travel to dark sites!).
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Old 18-04-2021, 03:40 PM
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Yeah, that's a fine Leo Triplet Paul, nice work

So, been cloudy and raining in the Flinders huh? How often do you get up there?

Mike
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Old 18-04-2021, 03:46 PM
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Yeah, that's a fine Leo Triplet Paul, nice work

So, been cloudy and raining in the Flinders huh? How often do you get up there?

Mike
Thanks Mike. Normally about 5 times a year. Usually spring/autumn. Last October/November we were there and there was a MASSIVE downpour - something like 100mm. Roads impassable for a while. This time got say 2 or so clear nights out of 4. Best for a while

The property owners of course welcomed the rain. We were less enthused!
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Old 18-04-2021, 03:47 PM
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Absolutely awesome!
Cheers,
Tim
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Old 18-04-2021, 04:00 PM
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Absolutely awesome!
Cheers,
Tim
Thanks Tim.
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Old 18-04-2021, 04:01 PM
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The property owners of course welcomed the rain. We were less enthused!
I can imagine
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Old 18-04-2021, 05:25 PM
AUST2000 (Andrew)
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Terrific image, well done
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Old 18-04-2021, 05:26 PM
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A remarkable image. Incredibly sharp. Look at those pinpoint stars! Wow.

Greg.
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Old 18-04-2021, 05:48 PM
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Terrific image, well done
Thanks Andrew.

Quote:
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A remarkable image. Incredibly sharp. Look at those pinpoint stars! Wow.

Greg.
Thanks so much, Greg.
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Old 18-04-2021, 07:02 PM
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Hi Paul,
that's an incredible result - it's sharp and has nice colour.

From the Flinders Ranges the highest those galaxies rise is about 45 degrees
making your result much harder to get.




cheers
Allan
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Old 18-04-2021, 07:21 PM
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Thanks Allan. Yes, followed them till about 30 degrees above the northern horizon.
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Old 18-04-2021, 07:52 PM
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Noice
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Old 19-04-2021, 07:56 AM
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Noice
Ta!
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Old 19-04-2021, 08:22 AM
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Outstanding resolution and detail.

Very well done Paul
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Old 19-04-2021, 10:22 AM
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Outstanding resolution and detail.

Very well done Paul
Thank you
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Old 19-04-2021, 01:50 PM
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Thanks Allan. Yes, followed them till about 30 degrees above the northern horizon.


Hi Paul,

You've done very well indeed.
The pic is so sharp that it looks like they
were overhead 90 degree targets.


cheers
Allan
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