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Solar Eclipse #4492138
08/18/17 04:51 PM
08/18/17 04:51 PM
Joined: Jun 2002
Posts: 19,538
Iowegia - USA
MolaKule Offline OP
MolaKule  Offline OP
Joined: Jun 2002
Posts: 19,538
Iowegia - USA
This goes without saying but be forewarned:

http://cen.acs.org/articles/95/i33/Chemi...tm_campaign=CEN


Scars remind us of where we have been, but do not have to dictate where we are going.
Re: Solar Eclipse [Re: MolaKule] #4492142
08/18/17 05:00 PM
08/18/17 05:00 PM
Joined: Sep 2015
Posts: 6,090
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 6,090
Kalifornia Kollective
I'm more interested in how things react on the ground ... How the critters act, etc.

Got my welding hood for the sun laugh


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Solar Eclipse [Re: MolaKule] #4492146
08/18/17 05:03 PM
08/18/17 05:03 PM
Joined: Jun 2014
Posts: 2,013
IL
Vern_in_IL Offline
Vern_in_IL  Offline
Joined: Jun 2014
Posts: 2,013
IL
Get in the Totality and you will not need shades during the dark time, just before and after you will need the shades.

Last edited by Vern_in_IL; 08/18/17 05:03 PM.
Re: Solar Eclipse [Re: BrocLuno] #4492230
08/18/17 06:20 PM
08/18/17 06:20 PM
Joined: Oct 2013
Posts: 1,462
Georgia
DeepFriar Offline
DeepFriar  Offline
Joined: Oct 2013
Posts: 1,462
Georgia
Originally Posted By: BrocLuno
I'm more interested in how things react on the ground ... How the critters act, etc


+1. I saw a partial in '83 and was fascinated with the reactions of birds and such. Definitely an event. We're right on the edge here and it'll be a good show.

Re: Solar Eclipse [Re: MolaKule] #4492301
08/18/17 07:56 PM
08/18/17 07:56 PM
Joined: Sep 2015
Posts: 6,090
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 6,090
Kalifornia Kollective
Look like we'll be at Whiskeytown (lake) or Old Town Shasta - so should be 85% for us smile


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Solar Eclipse [Re: MolaKule] #4492322
08/18/17 08:30 PM
08/18/17 08:30 PM
Joined: Dec 2002
Posts: 42,304
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,304
New Jersey
I'm figuring we are in the 75%ish zone. Watch it rain or be cloudy at eclipse time...

I bought a large glass 1/100000 solar filter from a telescope company, so it's designed for safe sun viewing and has the ISO test behind it.

I took a freebie harbor freight led flashlight and let it shine through. It was interesting to see how the LEDs looked, but I'll admit that I still had a slight remnant spot on my eye for a minute or two after... so even the fest solar films and filters still should only be used sparingly and with care. I'll likely use live view in my camera to view with a long lens.... and then wear my $1.98 ISO eclipse glasses as well.

The mechanism proposed in the link is very interesting and probably sensible. I suppose the remnant glow after something like a flash bulb going off is due to a local overwhelming of the forward reaction, and as the reverse reaction starts to bring things back to equilibrium, it fades away... but stay too long and permanent oxidation and damage can occur. I had only ever heard of the magnifying glass theory...

Re: Solar Eclipse [Re: MolaKule] #4492326
08/18/17 08:37 PM
08/18/17 08:37 PM
Joined: Nov 2015
Posts: 841
US
bunnspecial Offline
bunnspecial  Offline
Joined: Nov 2015
Posts: 841
US
96% here-I'm not venturing into totality.

Unfortunately, glasses have become a hot commodity here. One of the local TV stations gave out several thousand pairs and had to recall them because they were counterfeit. The other TV stations in the area are supposed to be good.

I called the local welding supply to ask about #14 goggles and the lady laughed and said that they've been sold out for 3 weeks and couldn't get more in stock.

I ordered some Thousand Oaks branded material to make a camera filter, but unfortunately Amazon is giving me an estimated delivery of Tuesday-so not a lot of good to me.


2010 Lincoln MKZ-Mobil 1 5W-30
1970 MG MGB Roadster-Valvoline VR-1 20W-50
Re: Solar Eclipse [Re: MolaKule] #4492418
08/18/17 10:28 PM
08/18/17 10:28 PM
Joined: Jan 2007
Posts: 806
El Oeste
HawkeyeScott Offline
HawkeyeScott  Offline
Joined: Jan 2007
Posts: 806
El Oeste
Great article. Makes me want to send a sample of eye goo to Blackstone for a UOA.

Re: Solar Eclipse [Re: bunnspecial] #4492441
08/18/17 10:58 PM
08/18/17 10:58 PM
Joined: Jul 2010
Posts: 19,312
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 19,312
PNW
Originally Posted By: bunnspecial
Unfortunately, glasses have become a hot commodity here. One of the local TV stations gave out several thousand pairs and had to recall them because they were counterfeit. The other TV stations in the area are supposed to be good.

And those counterfeit glasses probably had all the correct ISO numbers on them too, so how do you really know if they are safe to use? Knowing the source might help give confidence they are legitimate.

Re: Solar Eclipse [Re: bunnspecial] #4492507
08/19/17 02:58 AM
08/19/17 02:58 AM
Joined: Jan 2003
Posts: 3,203
Southeastern, PA
Rick in PA Offline
Rick in PA  Offline
Joined: Jan 2003
Posts: 3,203
Southeastern, PA
Originally Posted By: bunnspecial
96% here-I'm not venturing into totality.

Unfortunately, glasses have become a hot commodity here. One of the local TV stations gave out several thousand pairs and had to recall them because they were counterfeit. The other TV stations in the area are supposed to be good.

I called the local welding supply to ask about #14 goggles and the lady laughed and said that they've been sold out for 3 weeks and couldn't get more in stock.

I ordered some Thousand Oaks branded material to make a camera filter, but unfortunately Amazon is giving me an estimated delivery of Tuesday-so not a lot of good to me.


We're at ~80% here. I'm expecting a fair number of workers at our plant will take 10 or 15 minutes to go outside at maximum.

We were joking about getting solar eclipse glass at work. Tuesday should be a good time to shop, good availability and low prices.

I might try to make a pin-hole camera obscura this weekend, just something quick, a cardboard box, some aluminum foil, wax paper and of course, duct tape. It'll be like I'm a kid again.


A wise man told me:
"Heat is your friend." and "Any oil is better than no oil."
Re: Solar Eclipse [Re: MolaKule] #4492515
08/19/17 04:33 AM
08/19/17 04:33 AM
Joined: May 2007
Posts: 7,631
Indianapolis, IN
dnewton3 Offline
dnewton3  Offline
Joined: May 2007
Posts: 7,631
Indianapolis, IN
About 93% where I'm at.
I'm taking my welding helmet to work and will use my lunchtime to observe the "peak" for about an hour.
Hoping the weather is clear!


The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: Solar Eclipse [Re: MolaKule] #4492793
08/19/17 11:28 AM
08/19/17 11:28 AM
Joined: Feb 2010
Posts: 4,838
Central Texas
sleddriver Offline
sleddriver  Offline
Joined: Feb 2010
Posts: 4,838
Central Texas
Once again, the -cis & -trans forms (isomers?) make all the difference. Rather fascinating how chemistry works.

Thanks for posting!


1998 Volvo V70 T5 228,880 mi. Original Owner.
M1 10W-30 HM
"It's never a mistake to buy tools, defined broadly. They're not a cost, they're an investment." - J.B. Peterson
Re: Solar Eclipse [Re: bunnspecial] #4493564
08/20/17 09:56 AM
08/20/17 09:56 AM
Joined: Dec 2002
Posts: 42,304
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,304
New Jersey
Originally Posted By: bunnspecial
96% here-I'm not venturing into totality.

Unfortunately, glasses have become a hot commodity here. One of the local TV stations gave out several thousand pairs and had to recall them because they were counterfeit. The other TV stations in the area are supposed to be good.

I called the local welding supply to ask about #14 goggles and the lady laughed and said that they've been sold out for 3 weeks and couldn't get more in stock.

I ordered some Thousand Oaks branded material to make a camera filter, but unfortunately Amazon is giving me an estimated delivery of Tuesday-so not a lot of good to me.


Yikes! We got some from Lowe's... Hope theyre reputable...

Bought the real deal from a trusted telescope company for my camera. Im tempted to just observe thru live view on my camera, which ought to be the safest option...

Re: Solar Eclipse [Re: BrocLuno] #4493603
08/20/17 11:01 AM
08/20/17 11:01 AM
Joined: Jun 2002
Posts: 19,538
Iowegia - USA
MolaKule Offline OP
MolaKule  Offline OP
Joined: Jun 2002
Posts: 19,538
Iowegia - USA
Originally Posted By: BrocLuno
I'm more interested in how things react on the ground ... How the critters act, etc.

Got my welding hood for the sun laugh


A number of Amateur Radio operators are going to be doing experiments to see if propagation changes during the eclipse.

Should be interesting whether visual or electromagnetic. thumbsup

Last edited by MolaKule; 08/20/17 11:01 AM.

Scars remind us of where we have been, but do not have to dictate where we are going.
Re: Solar Eclipse [Re: MolaKule] #4493640
08/20/17 11:49 AM
08/20/17 11:49 AM
Joined: May 2014
Posts: 3,835
Columbus,Nebraska
Yah-Tah-Hey Offline
Yah-Tah-Hey  Offline
Joined: May 2014
Posts: 3,835
Columbus,Nebraska
$15.00 to watch what a flock of chickens will do. Somewhere out in the Sandhills of Nebraska.

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