Comet Atlas c/2019 Y-4 on March 25th

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TheButcher
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Comet Atlas c/2019 Y-4 on March 25th

#1

Post by TheButcher »

Hey all,

I took some more imaging of Comet Atlas. It was cloudy up until 1am or so. Then mostly clear and was able to get a couple of hours in. I used SGPro then DSS in comet mode. From there I took two stacks from comet mode. Option 1 and Option 2. Option 1 makes the stars stationary and leaves a light blob where the comit traveled. And Option 2 Isolates the comet and makes the Stars trail. "And trail they do and a pain in a but to clean!" But I was able to clean up the star trails in PScc and leave the comet in tact with a dark neutral backround. It only took about 4 hours or so of tweaking:)

I then Merged the two layers together and put them in Screen Mode and came up with the final Image. I then tweaked that a little bit. Thx for looking :)

Astro-Tech RC 8" with APTccd67 (.69x) F5.6
ZWO 1600mm Pro
Astronomik Deep SKy RGB
ZWO EFW 8 pos
Skywatcher EQ6-R Pro
Orion Mini Guider 50mm with Regular ZWO 290mm

R 50 x 60sec 200 Gain
G 50 x 40 sec 150 Gain
B 50 x 40 sec 150 Gain
Flats & Darks only 75 each


Click Below Link for Enlarged Zoomable image (It Really Zooms in to see the core)
https://astronebula.com/comet-atlas-c-2 ... 25th-2020/
Image
Telescopes:Astro-Tech 8" RC Astrograph, Skywatcher APO Equinox ED80 500mm Refractor @ F/6.25 Mounts: Skywatcher EQ6-R Pro Guide Scope: Orion 50mm Deluxe W/ Helical EPs: 10mm SWA 70 degree FMC, 15mm SWA 70 degree FMC, GSO 9mm Plossl, Sybony 4mm 62 Degree Barlows: GSO 2x Shorty Filters: 1.25" Astronomik 6nm Ha - OIII - S II, 1.25" Astronomik Deep Sky RGB with an L-3 for Luminance, Orion moon 25% Filter Wheel: ZWO EFW 8 pos. Cameras: ZWO ASI290mm, ZWO ASI1600mm-Pro
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Kingofthehill
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#2

Post by Kingofthehill »

Very nice. Hope she continues to brighten. It's one I could see from my yard.
Paul
Main telescope used is Obsession 18UC
Cut my teeth on Orion 10" Dob
AR152 and Orion ST80 sit mostly unused
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Baskevo
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#3

Post by Baskevo »

Beautiful! Thanks for sharing!!
-James W.

Telescope: Explore Scientific 80mm FCD100 Triplet APO Refractor
Mount: EQ6-R Pro
Cameras: ZWO ASI1600mm Pro (Cooled) | Canon DSLR EOS T7i
Auto-guiding: ZWO ASI120mm-Mini + Astromania 50mm Guidescope

Filters: ZWO 31mm Ha/Oiii/Sii 7nm + LRGB | Orion 2" Skyglow Filter
Accessories: Explore Scientific 2" Field Flattener, ZWO EFW 8 Position
Software: APT, SharpCap Pro, PHD2, CPWI | PixInsight, DeepSkyStacker, Photoshop

Flickr: https://www.flickr.com/gp/186194203@N06/18B629
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Graeme1858
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#4

Post by Graeme1858 »

That's a nice comet image Butcher. The processing work has paid off.

I must go and read about DSS Comet Mode now.

Regards

Graeme
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Dragonsfire
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#5

Post by Dragonsfire »

Very nice :)
Neil
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TheButcher
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#6

Post by TheButcher »

Graeme1858 wrote:
Fri Mar 27, 2020 9:04 am
That's a nice comet image Butcher. The processing work has paid off.

I must go and read about DSS Comet Mode now.

Regards

Graeme

Thanks all,

The comet mode is pretty neat, It has 3 stacking option. The first 2 are the ones I used as I did not have any luck with the 3rd option which Freezes the stars and also freezes the comet. I found that it froze the comet (but not as good as isolating the comet as Option 2) but The Stars still needed to be cleaned up a bit. You will see trails and such when stretched.

Now I used it with a mono cam and was stacking with 3 color fitlers and, so maybe a color cam would make the 3rd option work better for it.

Bellow are some examples of the options I did and I then combined them to an RGB Layer.

Comet with option 2 no color adjustment and not much stretching
Image

Comet with corrected color adjustments and balancing with Option 2
Image

Comet with Option 3 Stretched and color adjusted and balancing
Image

Comet with Option 1 checked "Star freeze" DSS just concentrates on the Star backround and the comet turns out to be a blurred image that is pretty faint compared to the above
Image

Option 1 with stretching. This gives you the backround stars and you can see the comet blurred.
Image
Telescopes:Astro-Tech 8" RC Astrograph, Skywatcher APO Equinox ED80 500mm Refractor @ F/6.25 Mounts: Skywatcher EQ6-R Pro Guide Scope: Orion 50mm Deluxe W/ Helical EPs: 10mm SWA 70 degree FMC, 15mm SWA 70 degree FMC, GSO 9mm Plossl, Sybony 4mm 62 Degree Barlows: GSO 2x Shorty Filters: 1.25" Astronomik 6nm Ha - OIII - S II, 1.25" Astronomik Deep Sky RGB with an L-3 for Luminance, Orion moon 25% Filter Wheel: ZWO EFW 8 pos. Cameras: ZWO ASI290mm, ZWO ASI1600mm-Pro
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#7

Post by Gordon »

Congratulations Brian on having your image selected as todays TSS APOD!

app.php/article/3-27-2020-tss-astrophot ... of-the-day
Gordon
Scopes: Explore Scientific ED80CF, Skywatcher 254N, Orion ST80, Orion Atlas EQ-g mount, Orion SSAG guider. Baader MPCC MkIII coma corrector, Vixen 70mm refractor. Lunt LS35THa solar scope. Skywatcher EQ5pro mount. Imagers: ZWO ASI1600 MM Cool, ZWO ASI174mm-C (for use with my Quark chromosphere), ZWO ASI120MC Filters: LRGB, Ha 7nm, O-III 7nm, S-II 7nm Eyepieces: a few, Primary software: Cartes du Ciel, EQMOD, SGP, Nebulosity, Photoshop, StarTools V1.4
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Graeme1858
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#8

Post by Graeme1858 »

Congratulations on the APOD Brian.

Regards

Graeme
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#9

Post by helicon »

Hi Brian, congrats on winning today's APOD award!
-Michael
Various scopes, 10" Zhumell Dob, ES AR152, AWB 5.1" Onesky newt, Oberwerk 25x100 binos, two eyeballs
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#10

Post by Makuser »

Hello Brian. A superb image of Comet Atlas. And really looks great when zooming in on the Astro Nebula site. Excellent work and processing Brian, thanks for putting this up on here, and congratulations on winning the TSS APOD Award today.
- Marshall
Orion Astroview 120ST f/5 Refractor on EQ3 mount
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>)))))*>
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#11

Post by Ruud »

Wow! Nice images!
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