Worth the risk?

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Jnicholes United States of America
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Worth the risk?

#1

Post by Jnicholes »


Hi everyone,

I’m going to get straight to the point. Take a look at this photo.
AEE270F2-B2D2-4D2F-BD0B-89A40C8D4D09.png
I want to go out and see comet C/2022 E3 tonight if it clears up. However, this weather forecast poses a problem for my area.

Do you think it’s worth the risk trying to go out and photograph the comet? Even if I bundle up, it will be cold. I don’t even know if my phone camera will function in that intense cold or not.
Celestron Nexstar 8SE Schmidt Cassegrain Telescope
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Iphone 11 Nightcap app Camera

"Our minds are finite, and yet even in these circumstances of finitude we are surrounded by possibilities that are infinite, and the purpose of life is to grasp as much as we can out of that infinitude."

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Ylem United States of America
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Re: Worth the risk?

#2

Post by Ylem »


Yikes! That's COLD 🥶
But worth a quick peak with some binos, image it sounds like a battle,good luck!
Clear Skies,
-Jeff :telescopewink:


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messier 111 Canada
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Re: Worth the risk?

#3

Post by messier 111 »


make sure you're well dressed and don't stay out for long.
the cold is a sneaky enemy.
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Jnicholes United States of America
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Re: Worth the risk?

#4

Post by Jnicholes »


I decided not to risk it. I’m trying tomorrow night, when it is clear.
Celestron Nexstar 8SE Schmidt Cassegrain Telescope
25mm plossl Eyepiece
Goto mount
Iphone 11 Nightcap app Camera

"Our minds are finite, and yet even in these circumstances of finitude we are surrounded by possibilities that are infinite, and the purpose of life is to grasp as much as we can out of that infinitude."

Alfred North Whitehead
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GCoyote United States of America
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Re: Worth the risk?

#5

Post by GCoyote »


Jnicholes wrote: Mon Jan 30, 2023 4:00 am I decided not to risk it. I’m trying tomorrow night, when it is clear.
.
Good move. High winds and turbulence are not good for clear views anyway.
Any metaphor will tear if stretched over too much reality.
Gary C

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JayTee United States of America
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Re: Worth the risk?

#6

Post by JayTee »


Well, it was clear last night but bitterly cold. So cold it made it very difficult to even stand at the EP and observe (I'm not set up for imaging yet). But, I did see comet ZTF for a long enough period of time that I could see it move against the background stars. And then I ran back to where it was warm. ZERO° when I quit observing last night.

I hope you saw it too!
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rickclark28 United States of America
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Re: Worth the risk?

#7

Post by rickclark28 »


Not having any luck here with the cloud coverage. Will make an effort to get out one more time.
Telescopes: *Celestron DX5 SCT 127mm 5" w/StarSense *Astro-Tech 80ED AT80ED
Eyepiece: AT-UWA 4/7/10/13/16, AT-PF 5.5/15.5/25, ES52/10, ES62/20, SvBony 26-70 2", 7-21/3-8 zoom, Bresser 30/35 2"
Binoculars: Minolta 10x50 Wide Angle 7", HUTACT 10x42,
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Re: Worth the risk?

#8

Post by Oldfort »


What sort of camera are you planning to use? If it's an SLR, check it's operating temperature range. Also you will likely need a tripod. Aluminum legs can be quite dangerous at very low temperatures.
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Baurice
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Re: Worth the risk?

#9

Post by Baurice »


I got it on Jan 30th with my DSLR. Cloud rolled in before I could zoom in with a longer focal length but I got it!



With most comets in binocular range, it is best to treat it like you would a globular cluster. If it happens to be near the pole, you can divide the recommended exposure time by the cosine of its declination. For example, with a focal length of 300mm, I normally use a 2 second exposure. If a comet (or deep sky object) is at 60 degrees declination, the cosine of 60 degrees is 0.5. So, 2/0.5 = 4, so you can use a 4 second exposure. As you get nearer the pole, it follows that the cosine of its declination tends towards zero, so the exposure time tends towards infinity.
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