Search found 531 matches

by DSobserver
Sun Mar 11, 2018 9:47 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Recent Digital SHG
Replies: 14
Views: 861

Re: Recent Digital SHG

WoW!
by DSobserver
Thu Feb 15, 2018 10:44 pm
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: dieter martini solar scope
Replies: 3
Views: 284

dieter martini solar scope

Hello folks! Looking for a dobson I just discover that the german manufacturer dieter martini was realising lunt50 mod with 150 up to 250mm scope http://www.dietermartini.de/ http://www.dietermartini.de/grafiken/Chromat200.JPG price are quite expensive I feel 150 / 1050 mm, 7735,00 € inkl. 19 Mwst. ...
by DSobserver
Sat Jan 27, 2018 1:54 pm
Forum: Solar Astronomy Shop and Swap
Topic: Lunt CAK 1800 new
Replies: 0
Views: 284

Lunt CAK 1800 new

great discount on this french shop

https://www.telescopes-et-accessoires.f ... 018_DD.pdf

CAk Lunt 1800 filter 900-1000€ new!!!

End : 03 february!
by DSobserver
Tue Dec 26, 2017 1:11 pm
Forum: Solar Astronomy Shop and Swap
Topic: X-mas ARIES Two bands DERF filters for large solar telescopes
Replies: 4
Views: 469

Re: X-mas ARIES Two bands DERF filters for large solar telescopes

For futur order would you consider smaller one for a 150mm scope?
by DSobserver
Sun Nov 12, 2017 6:56 pm
Forum: Solar Scope Modifications
Topic: lunt 50 mod
Replies: 18
Views: 1828

Re: lunt 50 mod

good info!!!
by DSobserver
Sun Nov 05, 2017 11:22 am
Forum: Great American Solar Eclipse August 21 2017
Topic: Wah!'s solar eclipse photos
Replies: 22
Views: 1457

Re: Wah!'s solar eclipse photos

Certainly one of the best pictures I could saw until now!

Congratulations!!!
by DSobserver
Thu Nov 02, 2017 8:44 am
Forum: Solar Scope Modifications
Topic: lunt 50 mod
Replies: 18
Views: 1828

Re: lunt 50 mod

Hello For me bf10 or 15 are clearly the best ones on the market : brightness and contrast Regarding Focuser for me Lunt hélicoïdal Focuser is a real Che.. I had a Jim motor Focuser at home and asked for an adapter In your case I wouldn’t focus to much on this part of my mod otherwise you can go for ...
by DSobserver
Fri Oct 27, 2017 7:23 pm
Forum: Solar Scope Modifications
Topic: lunt 50 mod
Replies: 18
Views: 1828

Re: lunt 50 mod

of course I also add an internal 75mm erf!!!
by DSobserver
Fri Oct 27, 2017 7:22 pm
Forum: Solar Scope Modifications
Topic: lunt 50 mod
Replies: 18
Views: 1828

Re: lunt 50 mod

hello TS scope is same as tecnosky one lunt 50 mod is really easy it is a M68 screw same as the focuser from the scope! You'll immediatly get 95% of the mod. Next if you want to change lunt focuser and get perfectly same distance between focus point and filter, you'll need some specific adapter. I c...
by DSobserver
Fri Aug 04, 2017 6:54 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: MAK 90mm for solar
Replies: 12
Views: 1112

Re: MAK 90mm for solar

one more point : there is many plastic part in mak scope. If for any reason sun is not well centered : expect a melt plastic smell...
by DSobserver
Fri Jun 02, 2017 5:58 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Different Ca-K options, differences?
Replies: 50
Views: 3452

Re: Different Ca-K options, differences?

Visually à lunt cak filter is impressive! You can't use high magnification otherwise it becomes too dark but you can easily see the famous structures. Only bright prom are visually detectable I use it with a 90mm scope I remember in the past that visually it was impossible to see something with Coro...
by DSobserver
Wed May 17, 2017 1:47 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: shg may 14 2017
Replies: 134
Views: 6025

Re: shg may 14 2017

🇫🇷
by DSobserver
Tue May 16, 2017 9:24 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: shg may 14 2017
Replies: 134
Views: 6025

Re: shg may 14 2017

I only suggest you to select your sun and using freeware like gimp remove background to achieve this result:

Image
by DSobserver
Tue May 16, 2017 7:01 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: shg may 14 2017
Replies: 134
Views: 6025

Re: shg may 14 2017

Hey
You had seriously your focus !!!!
One suggestion : try to remove the bright line. This will make the picture more pleasant
by DSobserver
Tue May 09, 2017 4:50 pm
Forum: Solar Astronomy Shop and Swap
Topic: For sale : PST double stack
Replies: 0
Views: 447

For sale : PST double stack

I sale my PST tube + solarmax 40mm Serie 1

Tube in perfect condition

Price : 1100€ include european shipment
by DSobserver
Sat Apr 29, 2017 2:38 pm
Forum: Solar Astronomy Shop and Swap
Topic: For sale : astrozap solar filter for C11
Replies: 1
Views: 317

For sale : astrozap solar filter for C11

For sale astrozap baader density 5 solar filter in perfect condition with original box

For 306 to 316mm scope like type C11

price : 85€
by DSobserver
Fri Apr 28, 2017 11:16 am
Forum: This is SolarChat !!
Topic: Spanish Sun 26th April Day 4
Replies: 13
Views: 642

Re: Spanish Sun 26th April Day 4

nevertheless nice shot!
by DSobserver
Sun Apr 23, 2017 5:53 pm
Forum: This is SolarChat !!
Topic: 21/04 : HA results with new 152 mod
Replies: 7
Views: 443

21/04 : HA results with new 152 mod

Here are some more results with my new 152 mm lunt 50 mod with ASI174 http://img15.hostingpics.net/pics/541669113255210417g3b3ap50.jpg http://img15.hostingpics.net/pics/383391113421210417g3b3ap132.jpg http://img15.hostingpics.net/pics/143584113523210417g3b3ap75.jpg http://img15.hostingpics.net/pics/...
by DSobserver
Sun Apr 23, 2017 5:23 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: 22/04 SUN SHG lights
Replies: 4
Views: 489

22/04 SUN SHG lights

Many months I ddin't had time to use my SHG. CaK http://img15.hostingpics.net/pics/820134CaK.png CaH http://img15.hostingpics.net/pics/686154CaH.png Ha http://img15.hostingpics.net/pics/880368HA22042017000.png He http://img15.hostingpics.net/pics/600533ResultofHE2000.png To be compare with soho magn...
by DSobserver
Wed Apr 19, 2017 6:56 pm
Forum: Solar Scope Modifications
Topic: lunt 50 mod
Replies: 18
Views: 1828

Re: lunt 50 mod

just measured : 24mm!
by DSobserver
Sun Apr 16, 2017 1:52 pm
Forum: Solar Scope Modifications
Topic: lunt 50 mod
Replies: 18
Views: 1828

Re: lunt 50 mod

yes here : http://www.webastro.net/forum/showthread.php?t=147279

valery,
you're probably right but it is less detectable and scope is f6 working vs f10 for pst mod!
by DSobserver
Sun Apr 09, 2017 2:52 pm
Forum: Solar Scope Modifications
Topic: lunt 50 mod
Replies: 18
Views: 1828

lunt 50 mod

After many years dealing with inconsistent Ha area with my PST mod, I decide to move to a lunt 50 mod. Luckily my152/900 scope is close to lunt 50 f/d ration, so no barlow is needed! I was also looking for a fully screw system. here is the result : http://img4.hostingpics.net/pics/945784IMG2033.jpg ...