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Comet C/2022 E3 ZTF close approach

Posted: Tue Jan 17, 2023 3:38 pm
by merle
Is this on anyone's radar?

Comet (C/2022 E3) ZTF. Closest approach to earth Feb 1st at .283 au (26,000,000 mi)
According to "Wiki", the comet is expected to get brighter than magnitude 6 and thus become visible with the naked eye from a dark sky site... but more likely you'll still need binoculars.

Circumpolar from now until Feb 5th.


Merle
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Re: Comet close approach

Posted: Tue Jan 17, 2023 6:38 pm
by clayton
I think several including me are watching the weather to see when we can get a view. Locally it looks cloudy at least for the next 5 days.
https://weatherstreet.com/states/u-s-cl ... recast.htm

Re: Comet C/2022 E3 ZTF close approach

Posted: Sat Jan 21, 2023 12:11 pm
by clayton

Re: Comet C/2022 E3 ZTF close approach

Posted: Sat Jan 21, 2023 12:56 pm
by Deane Clark
Just waiting for a break in the clouds :-/

Re: Comet C/2022 E3 ZTF close approach

Posted: Sun Jan 29, 2023 5:08 pm
by wkocken
Sadly, the moon will be big and bright in early Feb.

Re: Comet C/2022 E3 ZTF close approach

Posted: Sun Jan 29, 2023 6:09 pm
by Sureshks
I still haven't seen this comet. It's just been too cloudy or too cold. And now the Moon is starting to come back around.

Suresh

Re: Comet C/2022 E3 ZTF close approach

Posted: Sun Jan 29, 2023 7:02 pm
by SEmert
Tim Russ, the actor who played Tuvok on Star Trek Voyager just imaged C/2022 E3 ZTF a few days ago. He speaks briefly about it on the YouTube show "The Shuttlepod Show", episode 2.09 "Russ Hour" starting at 1:10:00. https://www.youtube.com/watch?v=y3gl-jqF1jY

Re: Comet C/2022 E3 ZTF close approach

Posted: Thu Feb 02, 2023 7:58 am
by ktboundary
I took these from my house in Woodbury around 9:30 pm last night. They're horrible quality - just my phone held up to the telescope's eyepiece, but it's the best I could do on short notice and in absolutely freezing temperatures. I'm still glad I got to see it.

The first picture is with a 25 mm lens, second one with a Barlow.
IMG_3132.jpeg
IMG_3135.jpeg

Re: Comet C/2022 E3 ZTF close approach

Posted: Thu Feb 02, 2023 9:35 am
by Deane Clark
I’m impressed that a phone could pick it up! (Note to self - get new phone)

Re: Comet C/2022 E3 ZTF close approach

Posted: Thu Feb 02, 2023 2:03 pm
by martyg
Saw it with an AT72 refractor around 8pm in St. Paul last night. Not much to see. Couldn't se it with binoculars. Took an untracked 5 second exposure with an old DSLR and didn't get the green color I expected.

Re: Comet C/2022 E3 ZTF close approach

Posted: Thu Feb 02, 2023 8:24 pm
by Ron Schmit
We've been watching here from Jackson over this last week. People are coming in with some grossly exaggerated expectations! (Thanks, Social Media!!)

Through our scope, it looks more like this.
C2022_E3_ZTF_Close.jpg

Re: Comet C/2022 E3 ZTF close approach

Posted: Thu Feb 02, 2023 8:43 pm
by ktboundary
Ron, how did you get such a clear shot? Was this with a camera mounted to the scope?

Re: Comet C/2022 E3 ZTF close approach

Posted: Thu Feb 02, 2023 9:02 pm
by Ron Schmit
Telescope mounted CCD camera.

Re: Comet C/2022 E3 ZTF close approach

Posted: Thu Feb 02, 2023 11:07 pm
by Ron Schmit
And this? This ain't helping.

Re: Comet C/2022 E3 ZTF close approach

Posted: Fri Feb 03, 2023 10:17 am
by Deane Clark
That actually looks a lot like the one Mark Job took that we saw at the meeting last night :)

Re: Comet C/2022 E3 ZTF close approach

Posted: Fri Feb 03, 2023 10:43 am
by markjob
RGB_Comet.jpg
This is image Dean is referring to from the meeting last night.
This comet is nowhere near the brightness social media has made it out to be. As a novice visual observer such as myself, I have problems finding this comet in my backyard.

This image was captured from Texas remotely with my rig in the wee hours of January 23 using a monochrome camera and RGB filters. Processed in PixInsight. There is about 45 minutes of total exposure time.

Enjoy!

Re: Comet C/2022 E3 ZTF close approach

Posted: Fri Feb 03, 2023 10:50 am
by Deane Clark
That is awesome Mark!
The other thing that the media keeps emphasizing is that it’s a “green comet”, like that’s so uncommon. And of course the “your only chance for 50,000 years” junk.

Re: Comet C/2022 E3 ZTF close approach

Posted: Sat Feb 04, 2023 11:44 am
by Ron Schmit
Oh, come on!
Screenshot_20230204_114331_Instagram.jpg

Re: Comet C/2022 E3 ZTF close approach

Posted: Sat Feb 04, 2023 11:57 am
by Deane Clark
[head slap emoji]

Re: Comet C/2022 E3 ZTF close approach

Posted: Sat Feb 04, 2023 3:51 pm
by Ron Schmit
See? Now you're just asking to get punched.
.
Find the Green Comet.png

Re: Comet C/2022 E3 ZTF close approach

Posted: Mon Feb 06, 2023 5:27 pm
by DahnGee
Hasn't Comet always been green?
c.png

Re: Comet C/2022 E3 ZTF close approach

Posted: Wed Feb 08, 2023 9:46 am
by tim.yates
Got a chance to look again last night. Even with a streetlight shining in my face, I was able to see it before moonrise in my 12" dob. I could just make out one of the tails extending east-northeast with averted vision. I wasn't able to see any elongation back on Jan. 26.

Just for fun, I tried my Astronomik UHD to see if I could take advantage of the "green." Obviously it's designed for OIII/Hb and not carbon, but the wavelengths are in the neighborhood. Unfortunately, not much to report. I could still see the comet, but it was too dim overall and didn't improve the contrast much. Might have been interesting to try in darker skies with fully adapted eyes.

Re: Comet C/2022 E3 ZTF close approach

Posted: Wed Feb 08, 2023 3:11 pm
by merle
Updated finder chart for the next couple weeks of viewing, before the moon becomes an issue again.

Merle
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Re: Comet C/2022 E3 ZTF close approach

Posted: Wed Feb 15, 2023 7:37 pm
by bsk1947
Captured this a couple of days ago (mono camera, 13 mins of total exposure):
C_2022 E3 (ZTF).png