Comet C/2019 Y4 Atlas 27/03/20

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Graeme1858 Great Britain
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Comet C/2019 Y4 Atlas 27/03/20

#1

Post by Graeme1858 »

Here's a go at Comet C/2019 Y4 Atlas from last night.

First, a big thanks to The Butcher for pointing out that DSS has a Comet stacking function!

After finding the Comet using APT's GoTo++ tool (brilliant! (like a plate solve and then some!)) and co-ordinates from Stellarium, I captured 16 x 400 second Light frames at iso800. Captures from 22:10 to 23:54. Then took 5 (yeah, I know (it was cold, dark and late!)) Dark frames, 20 Bias frames and 10 Flat frames. This is the first successful use of my cardboard and duct tape light box.

This morning I've staked the lot. Firstly without the DSS comet stacking function and got good stars and a faint fat greenish line where the comet moved through. Second go using Option 2, comet stacking, this compiled an image of the comet but no stars. Then Option 3, stars plus comet stacking.

Here's Option 3:

Image
______________________________________________
Celestron 9.25 f10 SCT, f6.3FR, CGX mount.
ASI1600MM Pro, ASI294MC Pro, ASI224MC
ZWO EFW, ZWO OAG, ASI220MM Mini.
APM 11x70 ED APO Binoculars.

https://www.averywayobservatory.co.uk/
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mariosi Cyprus
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Re: Comet C/2019 Y4 Atlas 27/03/20

#2

Post by mariosi »

Wonderful result!
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Juno16 United States of America
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Re: Comet C/2019 Y4 Atlas 27/03/20

#3

Post by Juno16 »

Very nice Graeme!

I wish that I could see this with my binos, but no go. Too much lp here I guess.

Maybe I will get a shot at this one night. I’ve seen comet stacking in dss, but never tried to image a comet.

Great catch Graeme!

Thanks
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), ZWO OAG, ZWO 30 mm Guide Scope, ASI 220mm min, ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF, Mele Overloock 3C.
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Graeme1858 Great Britain
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Re: Comet C/2019 Y4 Atlas 27/03/20

#4

Post by Graeme1858 »

mariosi wrote: ↑Sat Mar 28, 2020 11:04 am Wonderful result!

Cheers Mario

Juno16 wrote: ↑Sat Mar 28, 2020 11:08 am Very nice Graeme!

I wish that I could see this with my binos, but no go. Too much lp here I guess.

Maybe I will get a shot at this one night. I’ve seen comet stacking in dss, but never tried to image a comet.

Great catch Graeme!

Thanks

Cheers Jim

You'll be ok in a few weeks if it gets bright enough!

Regards

Graeme
______________________________________________
Celestron 9.25 f10 SCT, f6.3FR, CGX mount.
ASI1600MM Pro, ASI294MC Pro, ASI224MC
ZWO EFW, ZWO OAG, ASI220MM Mini.
APM 11x70 ED APO Binoculars.

https://www.averywayobservatory.co.uk/
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helicon United States of America
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Re: Comet C/2019 Y4 Atlas 27/03/20

#5

Post by helicon »

Looks great Graeme! I think I can even see a tail there...
-Michael
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
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Re: Comet C/2019 Y4 Atlas 27/03/20

#6

Post by Graeme1858 »

helicon wrote: ↑Sat Mar 28, 2020 3:50 pm Looks great Graeme! I think I can even see a tail there...

Cheers Michael.

A few more clear nights when the comet brightens would be great! If it does brighten as expected then there should be a nice tail (or two) to capture an image of.

Regards

Graeme
______________________________________________
Celestron 9.25 f10 SCT, f6.3FR, CGX mount.
ASI1600MM Pro, ASI294MC Pro, ASI224MC
ZWO EFW, ZWO OAG, ASI220MM Mini.
APM 11x70 ED APO Binoculars.

https://www.averywayobservatory.co.uk/
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Re: Comet C/2019 Y4 Atlas 27/03/20

#7

Post by TheButcher »

Very Nice Graeme, Great image! That comet mode is pretty neat huh.
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Graeme1858 Great Britain
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Re: Comet C/2019 Y4 Atlas 27/03/20

#8

Post by Graeme1858 »

TheButcher wrote: ↑Sat Mar 28, 2020 8:35 pm Very Nice Graeme, Great image! That comet mode is pretty neat huh.

It is. Stars + Comet Stacking option is a great tool.
______________________________________________
Celestron 9.25 f10 SCT, f6.3FR, CGX mount.
ASI1600MM Pro, ASI294MC Pro, ASI224MC
ZWO EFW, ZWO OAG, ASI220MM Mini.
APM 11x70 ED APO Binoculars.

https://www.averywayobservatory.co.uk/
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