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-   -   The Solar Eclipse (http://forums.pelicanparts.com/showthread.php?t=963486)

flatbutt 07-19-2017 07:10 AM

Can't advise on marital stuff, been divorced twice. But I am traveling to watch the eclipse thru my 90mm Mak-Cass. I'm particularly keen to see what happens around the edges of the disk, hoping to catch a streamer or some such.

Pazuzu 07-19-2017 08:18 AM

Quote:

Originally Posted by flatbutt (Post 9667774)
Can't advise on marital stuff, been divorced twice. But I am traveling to watch the eclipse thru my 90mm Mak-Cass. I'm particularly keen to see what happens around the edges of the disk, hoping to catch a streamer or some such.

Questar or Meade?

ckelly78z 07-19-2017 09:47 AM

Here in NW Ohio, we will see about 80% coverage....no plans currently to travel the 6-8 hours South to get into the 100% viewing area. The supposed large crowds would be a strong deterrent for me.

Cajundaddy 07-19-2017 11:41 AM

Some folks get excited about heavyweight boxing. Some folks get excited about the Superbowl. I get excited about crazy astro events like this. We will be driving 650 miles to western Idaho and will spend several days in the area, watch the eclipse and drive home. The last total eclipse I saw was Munich Germany in 1999. Solar glasses, multiple cameras, binos, and telescope in tow.

If you have never seen totality, this will give you a clue as to whether you want to be under the shadow or not. Some folks would rather watch it on TV and I am ok with that. Different strokes.
https://www.youtube.com/watch?v=ZfNmKUtRD_s
https://www.youtube.com/watch?v=iG9GdfL_ToU

Rickysa 07-19-2017 12:31 PM

Driving a bit south to SC to check it out! Anybody recommend any particular spot??

Pazuzu 07-19-2017 02:00 PM

Quote:

Originally Posted by Rickysa (Post 9668317)
Driving a bit south to SC to check it out! Anybody recommend any particular spot??

https://www.greatamericaneclipse.com/south-carolina/

Columbia. It's not dead center, but there's a science museum there doing a big festival for this, which will (possibly) give you access to things like publicly set up telescopes and, well, bathrooms and such ;)

If you get closer to the edges of the band, the totality is much shorter. It goes down to 30-40 seconds near the edges, which seems silly when the center is just 30 miles away, and give you 2m40s of totality...

Pazuzu 07-19-2017 02:09 PM

Quote:

Originally Posted by ckelly78z (Post 9668032)
Here in NW Ohio, we will see about 80% coverage....no plans currently to travel the 6-8 hours South to get into the 100% viewing area. The supposed large crowds would be a strong deterrent for me.

You'll be forced to watch the next one in 2024, it's right over your house. Ha! Science will get the better of you one way or the other!

dad911 07-19-2017 02:22 PM

Quote:

Originally Posted by Pazuzu (Post 9666615)
Step 1: buy a solar filter sheet, only buy from these guys:
https://www.google.com/search?q=thousand+oaks+solar+filter+sheets
You can get them on Amazon. Get the 8x8 sheet at least.
Step 2: Carefully cut sheet into squares that fit over the binoculars.
Step 3: Tape squares over binocular ends, making sure that no actual sunlight can get through.

Go an image search for "diy solar filter binoculars" to see dozens of ways to mount it safely.

Welding helmet ok?

Pazuzu 07-19-2017 03:04 PM

Quote:

Originally Posted by dad911 (Post 9668495)
Welding helmet ok?

I personally would not look at the sun through a welding helmet, nor any of the $1 a piece generic Chinese "solar glasses" that are being sold out there. I would only trust solar film from one of a few specific sources (Baader, Thousand Oaks, Rainbow Optical). The solar film/glasses/etc from them are only 2 or 3 dollars more each, it won't bankrupt anyone.

"common knowledge" states that a #14 or darker welders helmet is acceptable.

I don't trust my eyes to "common knowledge". My personal opinion.

Cajundaddy 07-19-2017 05:16 PM

Quote:

Originally Posted by dad911 (Post 9668495)
Welding helmet ok?

#14 shade welders glass is approved by essentially everyone to view the sun. A typical arc welding helmet often has #10 shade which is not enough protection so verify #14 shade to be sure. Also all "Eclipse glasses" marked with CE or ISO showing that they have been tested and approved. Baader and Thousand Oaks provide solar filters for both visual and photographic use, so make sure you choose one with #14 shade protection or higher.

More than you ever wanted to know about solar eclipse filters:
Eclipse Filters
https://eclipse2017.nasa.gov/safety

dad911 07-19-2017 05:18 PM

Hate to admit, that's how I test my auto-dark helmet..... with the sun.

silver912e 07-19-2017 05:41 PM

Quote:

Originally Posted by Pazuzu (Post 9665796)
You did not see a total eclipse, you saw an annular eclipse, which is just like any partial eclipse, but a bit darker.

The difference between a 99% partial eclipse and a true full total eclipse is like the difference between a 1976 912E and a 918.

I would not lift a finger to be able to own the 912E, I would trade family members into slavery and forgo 3 fingers to be able to sit in the 918 for 30 seconds.

I cannot fathom why someone would not be in the path of totality for this eclipse, especially if it's basically going to be in your town. The only reason to not go to this eclipse is if you happen to live in the path of the 2024 eclipse, *then* I might forgo it.

Really, totality is not just "I can see it in pictures". It is a complete event, do you really think that people spends thousands of dollars every few years to sit on frozen tundras or hike through rain forests to watch as many of these as possible in a lifetime, if they could instead "see it in pictures"???


Definitely agree about totality. Wife and I will be on Isle of Palms, rain or shine.

No need to hate on the 912E. We old farts love our "E"'s :cool:

IROC 07-20-2017 04:33 AM

So, the wife and were talking last night about taking the kids a little bit south of where we live to get in the path of totality, and so we pulled up the NASA map of the path to figure out where to go. Come to find out, my house is in the path. We should get about 1 minute, 30 seconds or so of total eclipse in my front yard.

Come on over! SmileWavy

flatbutt 07-20-2017 05:20 AM

Quote:

Originally Posted by Pazuzu (Post 9667871)
Questar or Meade?

Meade

Rickysa 07-20-2017 09:31 AM

Looked at Columbia (thank you for the recommendation), but boy do they have a ton planned...too many peeps for my crowd.

Instead, found a crossroads in BFE South Carolina that we will set up camp (probably in meth central, but that's what deterrent is for)

Spot on the totality line...now to outfit the camera/telescope!

ckelly78z 07-20-2017 09:40 AM

Quote:

Originally Posted by Pazuzu (Post 9668474)
You'll be forced to watch the next one in 2024, it's right over your house. Ha! Science will get the better of you one way or the other!

Hopefully by then, I will be retired, and have a viewing party in my own back yard.

Heel n Toe 07-20-2017 11:43 PM

Quote:

Originally Posted by Pazuzu (Post 9666615)
Step 1: buy a solar filter sheet, only buy from these guys:
https://www.google.com/search?q=thousand+oaks+solar+filter+sheets
You can get them on Amazon. Get the 8x8 sheet at least.
Step 2: Carefully cut sheet into squares that fit over the binoculars.
Step 3: Tape squares over binocular ends, making sure that no actual sunlight can get through.

Go an image search for "diy solar filter binoculars" to see dozens of ways to mount it safely.

Thanks for the tip, Mike. I was gonna order it directly from Thousand Oaks, but their least expensive shipping was $10. I had a few other things on a list I've been making to order from Amazon, so I placed an order last night and got free regular shipping and they're supposed to be here in about a week.

I'll have enough to do the binocs and make a viewing sheet mounted in matteboard or similar.

Won 07-21-2017 02:26 AM

Quote:

Originally Posted by Pazuzu (Post 9668457)
https://www.greatamericaneclipse.com/south-carolina/

Columbia. It's not dead center, but there's a science museum there doing a big festival for this, which will (possibly) give you access to things like publicly set up telescopes and, well, bathrooms and such ;)

If you get closer to the edges of the band, the totality is much shorter. It goes down to 30-40 seconds near the edges, which seems silly when the center is just 30 miles away, and give you 2m40s of totality...

Thanks a lot for the website Mike. My wife does GIS so we're both super excited by the maps.

By chance we will be visiting home (Vancouver, BC) during the eclipse. Unfortunately we won't have time to drive to a totality zone.

dennis in se pa 08-15-2017 07:18 AM

Am I the only one who could care less? I guess being old and wrinkled has blunted my enthusiasm for some things. There was a serious, if not total eclipse when I was young, and I did not get what all the fuss was about back then. I wonder what havoc it will cause.

flatbutt 08-15-2017 07:44 AM

Quote:

Originally Posted by dennis in se pa (Post 9700620)
Am I the only one who could care less? I guess being old and wrinkled has blunted my enthusiasm for some things. There was a serious, if not total eclipse when I was young, and I did not get what all the fuss was about back then. I wonder what havoc it will cause.

Well speaking for myself I hope to catch Baileys Beads. I am lucky in that this kind of thing still makes me say "wow!".

https://en.wikipedia.org/wiki/Baily's_beads

Pazuzu 08-15-2017 08:44 AM

Quote:

Originally Posted by dennis in se pa (Post 9700620)
Am I the only one who could care less? I guess being old and wrinkled has blunted my enthusiasm for some things. There was a serious, if not total eclipse when I was young, and I did not get what all the fuss was about back then. I wonder what havoc it will cause.

You cared enough to bring back an almost month old thread, just to remind us of how cool you were by not caring...

To answer your question, yes, you are the ONLY one who does not care. Do not let the eclipsed sunlight strike your skin, for you will be cursed with demons afterwards. Any children near you, make sure they stay locked in an interior room for the entire duration, because the rays will give them Lupus. Pregnant women? Put them in the basement, for the sun's horrible light will cause their unborn child to mutate into a vampire.

No, really! Stay inside and watch Matlock.

Rickysa 08-15-2017 09:12 AM

I'm trying to learn all there is about astrophotography in about one day...trying to get the telescope set up to track the sun using some app (and I don't know how a smart phone works!) and attach the camera.

Stoked!!

Pazuzu 08-15-2017 09:15 AM

Quote:

Originally Posted by Rickysa (Post 9700811)
I'm trying to learn all there is about astrophotography in about one day...trying to get the telescope set up to track the sun using some app (and I don't know how a smart phone works!) and attach the camera.

Stoked!!

Is it an equatorial mount or an alt/az mount?

Equatorial mount, you can fake it to get plenty close enough. Rough align it to North, have the angle set to your latitude, then just grab and move the telescope tube around until the shadow it creates on the ground is the smallest, you will be pointed very close to the sun then. You can't really try to find it in the eyepiece, since it will be dead black everywhere until you get it on target (you have a big filter, right??)

Alt az, is a bit trickier...

Rickysa 08-15-2017 09:24 AM

Quote:

Is it an equatorial mount or an alt/az mount?
You can set it up either way (if I remember correctly)...since I can't find Polaris due to trees, I haven't tried to set up the motor tracking function [I've had this 'scope for years (Meade EX-125)].

It's great for the moon, and I just got my sun filter yesterday, but it has been too cloudy to try it out. It has a neat computer program with a bunch of "pre-loaded" sights that the motor will take you to, but again, I've not been able to make use of it because I can't zero in on Polaris. Hopefully one of these apps (SKeye) will help.

scottmandue 08-15-2017 09:41 AM

Any reports on hotel rooms? I hear Portland OR. is booked and was asking $400 (normally stay there for under $100).

Pazuzu 08-15-2017 10:15 AM

Quote:

Originally Posted by Rickysa (Post 9700835)
You can set it up either way (if I remember correctly)...since I can't find Polaris due to trees, I haven't tried to set up the motor tracking function [I've had this 'scope for years (Meade EX-125)].

Don't bother with that. Set it for equatorial, set the declination to 90 degrees, tilt it until you're at your latitude (within maybe a 5 degree range), then point it to North based on a compass.
PLENTY close enough for what you're doing.
Are you going to South Carolina? Actually, one way or the other, set it so that it's 35 degrees tilt. That means slightly more tilted than 45 degrees, since the pole is below 45 degrees for you.

Put on sun filter, use the hand controls to move it around until the shadow of the tube is a circle, and you're set. You'll need to adjust it every now and then over the 2 hours, but that's it.

Edit:
Also, that's A HUGE telescope for the Sun, remember that it will appear as big as the Moon when you look at it. You won't be able to see any corona, since the Sun will mostly fill the eyepiece. If you put a camera on it, it'll act like a 1900mm lens, and the Sun will mostly fill the picture.

herr_oberst 08-15-2017 10:22 AM

Quote:

Originally Posted by scottmandue (Post 9700858)
Any reports on hotel rooms? I hear Portland OR. is booked and was asking $400 (normally stay there for under $100).

I haven't checked, but my GF's friend is coming that weekend and there are no rental cars available, so she's driving.

We plan to ride our bikes the 35 miles to Mt Angel to watch. It will be interesting to see what the roads look like! Hoping we can just scoot around the cars in the Worlds Largest Parking Lot!®

Rickysa 08-15-2017 11:19 AM

Quote:

Are you going to South Carolina?
yep...middle of nowhere :)

Here is a guide I found re: focal length

[IMG]http://i89.photobucket.com/albums/k2...pscgsu5jos.jpg[/IMG]


I left this error message up, as photobucket now wants $400/yr to post images....anyway around this (clueless computer guy, I am)?

red-beard 08-15-2017 11:30 AM

Quote:

Originally Posted by IROC (Post 9669194)
So, the wife and were talking last night about taking the kids a little bit south of where we live to get in the path of totality, and so we pulled up the NASA map of the path to figure out where to go. Come to find out, my house is in the path. We should get about 1 minute, 30 seconds or so of total eclipse in my front yard.

Come on over! SmileWavy

Too close to the ex! :eek:

KFC911 08-15-2017 11:32 AM

Quote:

Originally Posted by Rickysa (Post 9701043)
yep...middle of nowhere :)

....

Where about? Was thinking about heading down to Columbia, then heading east on I26. Usually that stretch would be fairly desolate with lots of rural areas....but for some reason I think it might be a parking lot next Monday :(

scottmandue 08-15-2017 11:39 AM

Quote:

Originally Posted by Rickysa (Post 9701043)



I left this error message up, as photobucket now wants $400/yr to post images....anyway around this (clueless computer guy, I am)?

Right click on the image and click on 'save image as' and upload the picture to your computers picture folder then upload it to any website you want from there.

Rickysa 08-15-2017 11:54 AM

Quote:

Where about?
Hell Hole road. yes really, Hell Hole. :D

I followed along the red line and found a spot down-east in the middle of an alligator swamp at a crossroads...google maps showed a small clearing at an intersection. Sun should still be pretty high at 2:45pm, but if we need to move around a little we will.

Taking my pick-up, some chairs, a tarp and a cooler...should be fun.

Traffic is going to an issue as I've been told I-95 may be packed, but back roads shouldn't be an issue. Mapquest says three hours, so we'll plan for more and just take it easy.

Rickysa 08-15-2017 11:57 AM

Quote:

Are you going to South Carolina?
yep...middle of nowhere :)

Here is a guide I found re: focal length

http://forums.pelicanparts.com/uploa...1502823424.jpg

abisel 08-15-2017 06:39 PM

I haven't seen it posted so here is an interactive link to the eclipse. Enjoy.

USA - 2017 August 21 Total Solar Eclipse - Interactive Google Map - Xavier Jubier

widebody911 08-16-2017 07:29 AM

https://imgs.xkcd.com/comics/eclipse_science.png

sammyg2 08-16-2017 07:45 AM

I've seen eclipses before.
I've tried to get excited about this one. I really have. I've tried to convince myself it was important, that it was somehow a big deal.

So far no joy.

Por_sha911 08-16-2017 08:30 AM

Quote:

Originally Posted by id10t (Post 9665418)

Actually, that is according to Native American Indians that believe that the earth sits on the top of a turtle.
The Flat Earth Society would say this is more accurate:
http://forums.pelicanparts.com/uploa...1502897346.jpg

Pazuzu 08-16-2017 08:56 AM

Quote:

Originally Posted by sammyg2 (Post 9702224)
I've seen eclipses before.
I've tried to get excited about this one. I really have. I've tried to convince myself it was important, that it was somehow a big deal.

So far no joy.

I would bet that you've never seen a total eclipse.
If I had a dollar for every person who has said to me in the past 6 months "I've already seen one, it wasn't that special, why bother with this one", I'd have enough to pay off my trip.

Were you in Montana in 1979? Baja Mexico in 1991? Atlantic coastal city in 1970? Far Northern Canada in in 1963 or 1972? Venezuela in 1998? Central Europe in 1999?

If not, you haven't seen a total eclipse, which is why you don't think it's a big deal.

If you were not in one of these stripes, on that data, at that time, you have not seen a total solar eclipse, and you might not think it's a big deal.
http://forums.pelicanparts.com/uploa...1502898859.gif

Rickysa 08-16-2017 09:41 AM

1970 Mar 7 for me.

Not a total as we were a bit west, but I still remember making the pin-hole shoebox viewer.

pwd72s 08-16-2017 09:56 AM

Quote:

Originally Posted by scottmandue (Post 9700858)
Any reports on hotel rooms? I hear Portland OR. is booked and was asking $400 (normally stay there for under $100).

Portland is north of ground zero. Only a partial there. And yes, local (Portland) TV here is all abuzz about traffic jams, all room prices being gouged, etc.

A link to Portland's CBS affiliate:

http://koin.com/tag/oregon-solar-eclipse/


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