[Misc] Comet Neowise

Steve_PPP

Active member

Oct 24, 2017

108

Burgess Hill

• Jul 18, 2020

• #21

Took this out the window last night about midnight, using long exposure on my Huawei phone.

Then worked out that the light i'm looking at has taken about 2 weeks to get here. Hurt my brain a little, so went to bed.

 

The Antikythera Mechanism

The oldest known computer

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Aug 7, 2003

7,792

• Jul 18, 2020

• #22

Over Guildford this morning

 

Thunder Bolt

Silly old bat

Aug 18, 2009

65,439

Beside the seaside, beside the sea

• Jul 18, 2020

• Thread starter
• #23

Steve_PPP said:

Took this out the window last night about midnight, using long exposure on my Huawei phone.

Then worked out that the light i'm looking at has taken about 2 weeks to get here. Hurt my brain a little, so went to bed.

View attachment 126232

Click to expand...

It only comes round every 6000 years.

 

Goldstone1976

We Got Calde in!!

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Apr 30, 2013

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Herts

• Jul 18, 2020

• #24

Steve_PPP said:

Took this out the window last night about midnight, using long exposure on my Huawei phone.

Then worked out that the light i'm looking at has taken about 2 weeks to get here. Hurt my brain a little, so went to bed.

View attachment 126232

Click to expand...

Nice shot.

I get a slightly different calculation for the time it’s taken for the light to get here from it: just under 6 minutes.

It’s 103m km away; C = 299.792m ms-1

 

Steve_PPP

Active member

Oct 24, 2017

108

Burgess Hill

• Jul 18, 2020

• #25

Goldstone1976 said:

Nice shot.

I get a slightly different calculation for the time it’s taken for the light to get here from it: just under 6 minutes.

It’s 103m km away; C = 299.792m ms-1

Click to expand...

Yep, I see the error in my calculation. But then it was midnight and I did say my brain hurt

I googled the distance at ~70 million miles away, but then failed as my google search told me the speed of light was 186,282mph. If i'd opened the link and read it properly, i'd have realised that it was 186,282 miles per second. So i guess i was out by a factor of 3600...

 

Harry Wilson's tackle

Harry Wilson's Tackle

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Oct 8, 2003

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Faversham

• Jul 18, 2020

• #26

Steve_PPP said:

Yep, I see the error in my calculation. But then it was midnight and I did say my brain hurt

I googled the distance at ~70 million miles away, but then failed as my google search told me the speed of light was 186,282mph. If i'd opened the link and read it properly, i'd have realised that it was 186,282 miles per second. So i guess i was out by a factor of 3600...

Click to expand...

Coincidentally that's exactly the same amount a certain person is out in his calculation on the nation's arrival at Sunny Uplands.

 

Questions

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Oct 18, 2006

24,872

Worthing

• Jul 18, 2020

• #27

When is it visible next?

 

Vicar!

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Jul 22, 2003

1,142

Worthing

• Jul 18, 2020

• #28

Tonight