Peter9
Post Laureate
Reged: 10/30/08
Loc: Yorkshire - Born & Bred
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Re: Home made Solar Filter
[Re: Peter9]
#2960620 - 03/03/09 10:27 AM Attachment (65 downloads)
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And the rings completed.
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Peter9
Post Laureate
Reged: 10/30/08
Loc: Yorkshire - Born & Bred
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Re: Home made Solar Filter
[Re: Peter9]
#2960629 - 03/03/09 10:29 AM Attachment (61 downloads)
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And the safety film in place and ready to go into the cell.
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Peter9
Post Laureate
Reged: 10/30/08
Loc: Yorkshire - Born & Bred
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Re: Home made Solar Filter
[Re: Peter9]
#2960644 - 03/03/09 10:36 AM
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There may now be a short delay as I am waiting for the felt with which to line the cell to be found. The love of my life is at the " I know I have some somewhere" stage. Dare not interfere, strong lady she is, works part time at the airport kick starting jumbo jets. Not to be tangled with.   
Regards Peter.
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mclewis1
Thread Killer
Reged: 02/25/06
Loc: New Brunswick, Canada
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Re: Home made Solar Filter
[Re: Peter9]
#2960813 - 03/03/09 11:53 AM
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Peter,
Your pictures look great and they reminded me of another "caution". Make certain that the film is well attached to one of the rings at numerous points (maybe even wrapped around the lower ring) so that there is absolutely no way for the film to be pushed in. When observing with others I've found that someone always wants to touch the film and it would obviously be bad if the film comes away from the edge.
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Arthur Dent
Galactic Hitch-Hiker
Reged: 10/23/08
Loc: South Yorkshire, UK
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Re: Home made Solar Filter
[Re: mclewis1]
#2960854 - 03/03/09 12:07 PM
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Quote:
The love of my life is at the " I know I have some somewhere" stage. Dare to interfere, strong lady she is, works part time at the airport kick starting jumbo jets. Not to be tangled with.
Looking good so far Peter. Now all we need is to be able to see the Sun 
Art
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Peter9
Post Laureate
Reged: 10/30/08
Loc: Yorkshire - Born & Bred
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Re: Home made Solar Filter
[Re: mclewis1]
#2960970 - 03/03/09 12:55 PM
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Peter,
Your pictures look great and they reminded me of another "caution". Make certain that the film is well attached to one of the rings at numerous points
Thanks for your comments Mark and keep them coming. I have glue the film to both rings all the way round. I will also glue the edges as well as the bottom ring, to the inside of the holder.
Peter.
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rick rian
Seeker of Truth(s)
Reged: 08/03/04
Loc: Upper Mid West
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Re: Home made Solar Filter
[Re: Peter9]
#2960991 - 03/03/09 01:09 PM Attachment (66 downloads)
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Here's my Celestron/Baader solar filter from last summer ...
And it does 'stretch' rather tight, too! I was surprised to see mine tighten up like a snare drum head when places in the direct sunlight.
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Peter9
Post Laureate
Reged: 10/30/08
Loc: Yorkshire - Born & Bred
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Re: Home made Solar Filter
[Re: rick rian]
#2965142 - 03/05/09 10:35 AM Attachment (70 downloads)
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OK just about finished. Here the inside of the holder with the lining in place. The lining is sticky backed foam rubber.
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Peter9
Post Laureate
Reged: 10/30/08
Loc: Yorkshire - Born & Bred
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Re: Home made Solar Filter
[Re: Peter9]
#2965143 - 03/05/09 10:36 AM Attachment (58 downloads)
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Fitted to the scope now. Really is a tight fit. Has to be "walked" into place.
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Peter9
Post Laureate
Reged: 10/30/08
Loc: Yorkshire - Born & Bred
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Re: Home made Solar Filter
[Re: Peter9]
#2965146 - 03/05/09 10:37 AM Attachment (57 downloads)
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And a side view.
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Peter9
Post Laureate
Reged: 10/30/08
Loc: Yorkshire - Born & Bred
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Re: Home made Solar Filter
[Re: Peter9]
#2965148 - 03/05/09 10:38 AM Attachment (57 downloads)
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Rear view.
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Peter9
Post Laureate
Reged: 10/30/08
Loc: Yorkshire - Born & Bred
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Re: Home made Solar Filter
[Re: Peter9]
#2965151 - 03/05/09 10:40 AM Attachment (65 downloads)
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And finaly with the velcro safety tab in place. Thanks for all the help lads.
Regards Peter.
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rick rian
Seeker of Truth(s)
Reged: 08/03/04
Loc: Upper Mid West
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Re: Home made Solar Filter
[Re: Peter9]
#2965230 - 03/05/09 11:29 AM
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Congratz, Peter ... looks great! 
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THEPLOUGH
ELEVEN Grandchildren; FIVE Ducklings
Reged: 01/11/08
Loc: Carlisle, Cumbria, ENGLAND
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Re: Home made Solar Filter
[Re: rick rian]
#2965254 - 03/05/09 11:40 AM
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All you need now is some SUN....  
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Arthur Dent
Galactic Hitch-Hiker
Reged: 10/23/08
Loc: South Yorkshire, UK
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Re: Home made Solar Filter
[Re: THEPLOUGH]
#2965324 - 03/05/09 12:09 PM
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Hi Peter,
Very neat job! Like the idea of the velcro as a "belt & braces" approach.
You pictures showed that it was sunny today - so did you manage to do some solar observing?
Art
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Tel
Postmaster
Reged: 03/31/06
Loc: Wallingford England
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Re: Home made Solar Filter
[Re: THEPLOUGH]
#2965360 - 03/05/09 12:25 PM
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Quote:
All you need now is some SUN....
Hey Geoff ! Those Williams Binos are obviously not paying off ! Didn't you SEE Peter's pictures there 
How much more sunshine d'you want 
Now: would you like me to take them off your hands ? 
Best regards,
Tel 
Sorry Peter, just couldn't resist that one after the Astrofest fiasco !
Great filter, my friend,  but at the moment, sorry, still no sunspots ! 
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Peter9
Post Laureate
Reged: 10/30/08
Loc: Yorkshire - Born & Bred
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Re: Home made Solar Filter
[Re: Tel]
#2965389 - 03/05/09 12:35 PM
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Thanks Rick, Thanks to you too Geoff, as Tel say's, plenty sun during the day, it's after dark that's the problem.
That's OK Tel, I would'nt let it go either. Thanks for your kind comments
Thanks Art. Yes I managed half an hour at the eyepiece but as Tel say's, not a spot to be had. Still it works a treat. Will take a pic as soon as my camara attachment arrives. (the one that Tel has.).
Regards Peter
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mclewis1
Thread Killer
Reged: 02/25/06
Loc: New Brunswick, Canada
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Re: Home made Solar Filter
[Re: Peter9]
#2966012 - 03/05/09 04:54 PM
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Peter,
Very nice job, solid and with just the right amount of "slack" in the film.
Now you'll never look at deep blue skies the same again.
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Peter9
Post Laureate
Reged: 10/30/08
Loc: Yorkshire - Born & Bred
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Re: Home made Solar Filter
[Re: mclewis1]
#2967067 - 03/06/09 08:28 AM
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Thanks for all your help Mark, and your kind comments. It certainly adds another dimension to our hobby.
Peter.
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hopskipson
professor emeritus
Reged: 06/24/10
Loc: Queens, New Yawk, Light pollut...
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Re: Home made Solar Filter
[Re: Peter9]
#5101275 - 03/02/12 03:19 PM
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Hi Peter,
I am in the middle of making a dual porpose visual/imaging filter system. Do you remember what type of glue you used to adhere the film to the cell rings. I'm using a thin PVC rings so I can interchange the different cells. I will post pictures once I've completed the project.
James
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