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Let's Photograph Comet 46P Wirtanen



 
 
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  #1  
Old December 15th 18, 06:37 AM posted to sci.astro.amateur
StarDust
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Default Let's Photograph Comet 46P Wirtanen

https://www.youtube.com/watch?v=ycoIAH7uuaI

Interesting!
It's overcast here in the Bay Area, so no comet for me the next few days!
  #2  
Old December 15th 18, 07:13 AM posted to sci.astro.amateur
palsing[_2_]
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Default Let's Photograph Comet 46P Wirtanen

On Friday, December 14, 2018 at 9:37:24 PM UTC-8, StarDust wrote:
https://www.youtube.com/watch?v=ycoIAH7uuaI

Interesting!
It's overcast here in the Bay Area, so no comet for me the next few days!


I grew up in Oakland, though high school, so I know all about 'overcast' there!

I came to San Diego for college and never went back... the local desert is a wonderful place to go observing, it is fairly reliable all year long. Not many places can make this claim, as far as I know :)
  #3  
Old December 15th 18, 09:47 AM posted to sci.astro.amateur
RichA[_6_]
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Default Let's Photograph Comet 46P Wirtanen

On Saturday, 15 December 2018 00:37:24 UTC-5, StarDust wrote:
https://www.youtube.com/watch?v=ycoIAH7uuaI

Interesting!
It's overcast here in the Bay Area, so no comet for me the next few days!


Clouds left Toronto, but the temp went up so fog.
  #4  
Old December 17th 18, 08:09 PM posted to sci.astro.amateur
Davoud[_1_]
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Default Let's Photograph Comet 46P Wirtanen

46P/Wirtanen: https://www.flickr.com/photos/primeval/31330206277

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I agree with almost everything that you have said and almost everything that
you will say in your entire life.

usenet *at* davidillig dawt cawm
  #5  
Old December 18th 18, 06:26 AM posted to sci.astro.amateur
Chris L Peterson
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Default Let's Photograph Comet 46P Wirtanen

On Fri, 14 Dec 2018 21:37:21 -0800 (PST), StarDust
wrote:

https://www.youtube.com/watch?v=ycoIAH7uuaI

Interesting!
It's overcast here in the Bay Area, so no comet for me the next few days!

  #6  
Old December 18th 18, 06:29 AM posted to sci.astro.amateur
Chris L Peterson
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Default Let's Photograph Comet 46P Wirtanen

On Fri, 14 Dec 2018 21:37:21 -0800 (PST), StarDust
wrote:

https://www.youtube.com/watch?v=ycoIAH7uuaI

Interesting!
It's overcast here in the Bay Area, so no comet for me the next few days!


http://cloudbait.com/gallery/comet/20181217_46P_800.jpg

Shot early this morning after the Moon went down, 2-minute exposure
with a Canon 7D on a 4" refractor (Stellarvue 102A). Image is 1° on a
side.
  #7  
Old December 18th 18, 06:51 AM posted to sci.astro.amateur
StarDust
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Default Let's Photograph Comet 46P Wirtanen

On Monday, December 17, 2018 at 9:29:38 PM UTC-8, Chris L Peterson wrote:
On Fri, 14 Dec 2018 21:37:21 -0800 (PST),

https://www.youtube.com/watch?v=ycoIAH7uuaI

Interesting!
It's overcast here in the Bay Area, so no comet for me the next few days!


http://cloudbait.com/gallery/comet/20181217_46P_800.jpg

Shot early this morning after the Moon went down, 2-minute exposure
with a Canon 7D on a 4" refractor (Stellarvue 102A). Image is 1° on a
side.


Very nice!
  #8  
Old December 18th 18, 11:15 PM posted to sci.astro.amateur
Davoud[_1_]
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Default Let's Photograph Comet 46P Wirtanen

Chris L Peterson:
http://cloudbait.com/gallery/comet/20181217_46P_800.jpg

Shot early this morning after the Moon went down, 2-minute exposure
with a Canon 7D on a 4" refractor (Stellarvue 102A). Image is 1° on a
side.


Very nice!

I made this stack of five exposures with a Canon 5D Mk IV on the 11th
https://www.flickr.com/photos/primeval/31330206277. I also used a 4"
refractor, a Tak FSQ-106. I have been clouded out since that night.
Tonight will be clear and it is likely my last shot at the comet as
holiday social obligations and more cloudy weather intrude on my time.
With a bright moon, I'm not expecting anything great tonight, but we
gotta try, right?

--
I agree with almost everything that you have said and almost everything that
you will say in your entire life.

usenet *at* davidillig dawt cawm
  #9  
Old December 19th 18, 12:38 AM posted to sci.astro.amateur
Chris L Peterson
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Default Let's Photograph Comet 46P Wirtanen

On Tue, 18 Dec 2018 17:15:59 -0500, Davoud wrote:

Chris L Peterson:
http://cloudbait.com/gallery/comet/20181217_46P_800.jpg

Shot early this morning after the Moon went down, 2-minute exposure
with a Canon 7D on a 4" refractor (Stellarvue 102A). Image is 1° on a
side.


Very nice!

I made this stack of five exposures with a Canon 5D Mk IV on the 11th
https://www.flickr.com/photos/primeval/31330206277. I also used a 4"
refractor, a Tak FSQ-106. I have been clouded out since that night.
Tonight will be clear and it is likely my last shot at the comet as
holiday social obligations and more cloudy weather intrude on my time.
With a bright moon, I'm not expecting anything great tonight, but we
gotta try, right?


You bet. I'm lucky with very dry air and a high altitude that the
impact of the Moon is somewhat reduced. The image I linked I took
after the Moon set (about 2 am), but I was doing test shots before
that and the results were quite good. Getting tougher, though. The
Moon is now just 45° from the comet, and getting pretty big.
  #10  
Old December 19th 18, 04:43 AM posted to sci.astro.amateur
Davoud[_1_]
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Posts: 1,989
Default Let's Photograph Comet 46P Wirtanen

Chris L Peterson:
http://cloudbait.com/gallery/comet/20181217_46P_800.jpg

Shot early this morning after the Moon went down, 2-minute exposure
with a Canon 7D on a 4" refractor (Stellarvue 102A). Image is 1° on a
side.


Davoud:
Very nice!


I made this stack of five exposures with a Canon 5D Mk IV on the 11th
https://www.flickr.com/photos/primeval/31330206277. I also used a 4"
refractor, a Tak FSQ-106. I have been clouded out since that night.
Tonight will be clear and it is likely my last shot at the comet as
holiday social obligations and more cloudy weather intrude on my time.
With a bright moon, I'm not expecting anything great tonight, but we
gotta try, right?


Chris L Peterson:
You bet. I'm lucky with very dry air and a high altitude that the
impact of the Moon is somewhat reduced. The image I linked I took
after the Moon set (about 2 am), but I was doing test shots before
that and the results were quite good. Getting tougher, though. The
Moon is now just 45° from the comet, and getting pretty big.


OK, the sky was remarkably clear for the Mid-Atlantic. It was dry, and
when I was checking focus with 5X and 10X magnification the stars in
the DSLR Live View they were dancing around like a water droplet on a
hot griddle. My fix for that is to ignore it, and do what I can with
what I have. The effect of the Moon, I think, was to reduce the
contrast of the coma a bit. Maybe I could doctor it a bit in Photoshop.

Tonight's result with details is at
https://www.flickr.com/photos/primeval/32503667868.

High altitude? What do you know about high altitude? I'm at 30 meters‹I
could get a nosebleed!

--
I agree with almost everything that you have said and almost everything that
you will say in your entire life.

usenet *at* davidillig dawt cawm
 




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