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Old 28-08-2018, 11:51 AM
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andyc (Andy)
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2018 in planets

Well, it was a pretty decent year for Jupiter, Saturn and Mars approaching in turn at our latitudes

This image has one frame per month for each planet. Each one grows and shrinks as they approach Earth in turn - Jupiter in early May, Saturn in June, and Mars in July. Shadows and phases shift from pointing to the right early in the year, to pointing to the left after each planet reaches opposition. The closer the planet, the more dramatic the variation in size.

Just as Mars gets big, a global dust storm blankets the planet in June, then features slowly emerge through July and August as the storm begins to subside. Remarkable bright polar storms have been a feature on Saturn since April. Unfortunately some bad luck has meant my July & August Saturns are a bit fuzzier! There's always lots of lovely storm action on Jupiter, including this year the demise of the South Tropical Disturbance near the Great Red Spot. Ganymede sneaks into March and June's shots.

Full resolution view here

All images taken from Sydney with a C14 at f/22, and ASI290MM camera.
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Old 28-08-2018, 11:52 AM
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multiweb (Marc)
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That's amazing. Quite a gallery.
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Old 28-08-2018, 02:22 PM
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A very sweet collection, Andy!
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Old 28-08-2018, 03:48 PM
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Wow Andy, that collage is just wonderful, a testimony to the many hours spent gathering and processing data.

Stunning views of these planets - thanks!

Cheers

Dennis
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Old 29-08-2018, 08:33 AM
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Cracking shots Andy, well done
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Old 29-08-2018, 08:53 AM
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Wow! And triple Wow.
These are beautiful


Wow!
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Old 29-08-2018, 09:19 AM
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Fantastic collage Andy - love the presentation!

Nice comparison of apparent sizes over time.

Regards,
Seb
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Old 29-08-2018, 10:09 AM
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Fabulous pic and collage. Really tells a story.
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Old 29-08-2018, 04:57 PM
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Enjoyed these well done.
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Old 29-08-2018, 05:59 PM
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Your Jupiters are stunning.

John
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Old 31-08-2018, 08:52 AM
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Thanks everyone!
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Old 01-09-2018, 10:08 PM
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A great looking antipasto platter that Andy, bellissimo!

Mike
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Old 04-09-2018, 10:37 AM
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Mars - August
Jupiter - April
Saturn - June


Create a montage of them and it'll be in a mag... though I find the "blues" of March for Jupiter, with companion, sublime....


Great work!
OIC!
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Old 06-09-2018, 11:22 AM
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Amazing shots - using TV Powermate x2?
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Old 06-09-2018, 09:50 PM
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astronobob (Bob)
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Excellent work, amazing images & nicely put together Andy, Portrays our Planet Season mighty well indeed - High Credits to you
Awesome stuff that
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Old 07-09-2018, 07:36 AM
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Gob smacking images Andy.
This is so great.
Cheers
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Old 09-09-2018, 10:49 AM
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Good stuff. Great to see it all on one page like that.
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Old 01-10-2018, 09:32 AM
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andyc (Andy)
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Thanks again, appreciate the positive feedback!
Quote:
Originally Posted by Chapstick View Post
Amazing shots - using TV Powermate x2?
Jared - it's actually a really rather old Meade Series 4000 2x Barlow I got as a teenager in 1994. Given how much it's been bashed about/abused, the coatings must be shot (though the glass is fairly clean), but it still performs well. Am not sure how much a new Barlow would improve the images (!) except I'd actually quite like something that increased the focal length a little less for ideal image scale (the image train is operating at near 9.2m f.l. just now).
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Old 01-10-2018, 02:11 PM
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silv (Annette)
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pretty cool! Mars' southpole ice is receding fast. Made me cycle through Sebbie's Mars shots over the past 4 months and read a little on Wiki about seasons in a 25 degree tilt, CO2 dry ice cover subliming within days during spring/summer and exposing water ice, which, when it melts, sublimes as well due to low atmospheric pressure. Very interesting. Thank you!
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Old 17-10-2018, 08:20 PM
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Wow! 'Really nice' is an understatement.
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