Search found 1223 matches

by MalVeauX
Thu Mar 19, 2020 2:12 pm
Forum: This is SolarChat !!
Topic: Great Prom Today, Near New AR | HA | March 19th 2020
Replies: 10
Views: 238

Great Prom Today, Near New AR | HA | March 19th 2020

Heya, Woke up to some very good seeing conditions, didn't spend a lot of time, took two videos of the prominence and AR and that's it. A rapid session. Seeing was sub-arc-second. SSM data was wonderful to see. The view on screen was really steady and wonderful, too bad there wasn't more on the surfa...
by MalVeauX
Thu Mar 19, 2020 1:34 pm
Forum: This is SolarChat !!
Topic: New Cycle 25 AR & Prom | HA, CaK | March 18th 2020
Replies: 7
Views: 229

Re: New Cycle 25 AR & Prom | HA, CaK | March 18th 2020

Starry Jack wrote:
Thu Mar 19, 2020 1:04 pm
Marty,
Where is your Baader Red CCD-IR Block placed and what size is it?

Jack
Hi Jack,

It's on the nose of my PST module, extended forward with a 2" barrel extension. It's 48mm (2").

viewtopic.php?f=9&t=26560&start=25#p239784

Very best,
by MalVeauX
Wed Mar 18, 2020 9:30 pm
Forum: This is SolarChat !!
Topic: New Cycle 25 AR & Prom | HA, CaK | March 18th 2020
Replies: 7
Views: 229

New Cycle 25 AR & Prom | HA, CaK | March 18th 2020

Heya, Woke up really late today, was cloudy, but managed to go outside very late afternoon when my seeing is the poorest. I managed to work through some 2~3 arc-second seeing as there were tiny moments of 1.2~1.5 arc-second seeing here and there, so I stayed in that range to try and get data at cour...
by MalVeauX
Tue Mar 17, 2020 1:50 am
Forum: Solar Scope Modifications
Topic: What can be done with a PST double stack?
Replies: 10
Views: 1156

Re: What can be done with a PST double stack?

See, I didn't understand how photosphere got through, now I think I get it: it's just so bright that even at 0.1% pass through in the 500nm range it floods the image. I get double stack, why not double blocking filter instead? they're cheaper. We are all waiting on the 1A blocking filter. :) Once i...
by MalVeauX
Mon Mar 16, 2020 12:03 am
Forum: This is SolarChat !!
Topic: March 15, 2020 AR and Prom
Replies: 13
Views: 580

Re: March 15, 2020 AR and Prom

Great captures Phil, great seeing lately!

Very best,
by MalVeauX
Sun Mar 15, 2020 7:43 pm
Forum: This is SolarChat !!
Topic: AR2758 & Proms | High Res | HA & CaK | March 13th 2020
Replies: 14
Views: 815

Re: AR2758 & Proms | High Res | HA & CaK | March 13th 2020

Marty, That is how I usually see them in my Orion 70. As a grainy texture. But your outstanding photos reveal them as what they really are. Convection cells. What is the make of the larger refractor in your photo? It resembles an older Celestron C102 I have. James Hi James, Its an old Celestron CR1...
by MalVeauX
Sun Mar 15, 2020 7:42 pm
Forum: This is SolarChat !!
Topic: Cells & Spicules; Tiny Things | March 14th 2020
Replies: 16
Views: 803

Re: Cells & Spicules; Tiny Things | March 14th 2020

Marty, I have been able to get the spicules occasionally in my SM II 60 but it's fairly rare. Visually it seems the Coronado doesn't do the best at the high magnifications required to see them plus seeing has to be good as well. The SM II 60 does better visually with lower power whole disk viewing ...
by MalVeauX
Sun Mar 15, 2020 5:49 pm
Forum: Solar Scope Modifications
Topic: What can be done with a PST double stack?
Replies: 10
Views: 1156

Re: What can be done with a PST double stack?

See, I didn't understand how photosphere got through, now I think I get it: it's just so bright that even at 0.1% pass through in the 500nm range it floods the image. I get double stack, why not double blocking filter instead? they're cheaper. We are all waiting on the 1A blocking filter. :) Once i...
by MalVeauX
Sun Mar 15, 2020 1:16 pm
Forum: This is SolarChat !!
Topic: Cells & Spicules; Tiny Things | March 14th 2020
Replies: 16
Views: 803

Re: Cells & Spicules; Tiny Things | March 14th 2020

Thanks all, :bow i love your wide field prominence images, are you using a focal reducer at all for these; a drift method for capture or is this just the native prime of your 120mm with the 290 camera? No focal reducer. It's a 120mm F10 frac and the ASI290MM with it's 2.9um pixels; 656nm on 2.9um pi...
by MalVeauX
Sun Mar 15, 2020 1:12 pm
Forum: This is SolarChat !!
Topic: AR2758 & Proms | High Res | HA & CaK | March 13th 2020
Replies: 14
Views: 815

Re: AR2758 & Proms | High Res | HA & CaK | March 13th 2020

Thanks all, Marty, I can understand that. Solar observing has it's risks. I just wonder how the Baader solar film used for visual work would do on your Newt? I just wonder how well those convection cells could be seen. Your photos of them are truly outstanding. Only in professional photos with much ...
by MalVeauX
Sat Mar 14, 2020 5:29 pm
Forum: This is SolarChat !!
Topic: Cells & Spicules; Tiny Things | March 14th 2020
Replies: 16
Views: 803

Cells & Spicules; Tiny Things | March 14th 2020

Heya, Despite AR2758 still hanging around, there was virtually nothing else but a wee filament here and there and hardly any prominences to really look at, other than one little one that is significant enough to see from the eyepiece. I wanted to capture small things today to exhibit the solar minim...
by MalVeauX
Sat Mar 14, 2020 1:10 pm
Forum: This is SolarChat !!
Topic: March 12th Session and observatory updates.
Replies: 11
Views: 668

Re: March 12th Session and observatory updates.

Nice session Brian, good limbs!

Very best,
by MalVeauX
Sat Mar 14, 2020 12:20 pm
Forum: Solar Scope Modifications
Topic: What can be done with a PST double stack?
Replies: 10
Views: 1156

Re: What can be done with a PST double stack?

Heya, I have not; because if there's two major lines coming through, the one with more transmission will swamp the other and you'll see basically one. This is why even with a single blocking filter in HA, you still can see the parasitic continuum leaking through and you can still see the brighter ph...
by MalVeauX
Fri Mar 13, 2020 7:23 pm
Forum: This is SolarChat !!
Topic: AR2758 & Proms | High Res | HA & CaK | March 13th 2020
Replies: 14
Views: 815

Re: AR2758 & Proms | High Res | HA & CaK | March 13th 2020

DeepSolar64 wrote:
Fri Mar 13, 2020 6:12 pm
Did you try it with an eyepiece to see how well they could be seen visually?
Hi James, no sir, ND3.8 film is not visually safe. I generally do not look into big aperture scopes visually as I primarily image. For visual I tend to use my smaller scopes, safer, less energy.

Very best,
by MalVeauX
Fri Mar 13, 2020 7:19 pm
Forum: This is SolarChat !!
Topic: CaK and H-alpha Sun 13/03/2020
Replies: 7
Views: 727

Re: CaK and H-alpha Sun 13/03/2020

Lovely captures Salvo, and that animation is cool!

And there's plenty to see in white light with enough resolution! :P

Very best,
by MalVeauX
Fri Mar 13, 2020 7:18 pm
Forum: This is SolarChat !!
Topic: 13th March AR close up, animation added
Replies: 16
Views: 924

Re: 13th March AR close up, animation added

Great captures Robert!

Very best,
by MalVeauX
Fri Mar 13, 2020 7:18 pm
Forum: SPoD Archive
Topic: 13th March AR close up, animation added
Replies: 15
Views: 524

Re: 13th March AR close up, animation added

Great captures Robert!

Very best,
by MalVeauX
Fri Mar 13, 2020 7:18 pm
Forum: This is SolarChat !!
Topic: Today's SUN (20200313) | FD images
Replies: 10
Views: 897

Re: Today's SUN (20200313) | FD images

Lovely capture Pedro!

Very best,
by MalVeauX
Fri Mar 13, 2020 7:18 pm
Forum: This is SolarChat !!
Topic: Sun 13th March '20
Replies: 13
Views: 831

Re: Sun 13th March '20

Excellent series Stu! Love those spicules on the limb shot and Cak!

Very best,
by MalVeauX
Fri Mar 13, 2020 4:26 pm
Forum: This is SolarChat !!
Topic: AR2758 & Proms | High Res | HA & CaK | March 13th 2020
Replies: 14
Views: 815

AR2758 & Proms | High Res | HA & CaK | March 13th 2020

Heya, Lucky Friday the 13th perhaps? Woke up to a clear sky and excellent seeing conditions which allowed me to get some data in high res, and some lower image scale data to get some different compositions. AR2758 is winding down and approaching the limb to leave our sight, but it lasted quite a whi...
by MalVeauX
Fri Mar 13, 2020 12:33 pm
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Altair Hypercam 183M Mono CMOS Camera with ROI
Replies: 21
Views: 5205

Re: Altair Hypercam 183M Mono CMOS Camera with ROI

Heya, I too went through reading the one or two (as that's it) sources about grid pattern on the IMX183. But that's the thing, there's only literally one or two documented sources and there was no data surrounding it. The same happened with the IMX178 sensor, many get grid patterns with it, it's muc...
by MalVeauX
Fri Mar 13, 2020 12:28 pm
Forum: Solar Scope Modifications
Topic: Two simultaneous pst etalon
Replies: 11
Views: 1563

Re: Two simultaneous pst etalon

Heya,

Interesting build; any examples of its output? Transmission? Double-limb suppression?

Very best,
by MalVeauX
Fri Mar 13, 2020 12:25 pm
Forum: Solar Scope Modifications
Topic: What can be done with a PST double stack?
Replies: 10
Views: 1156

Re: What can be done with a PST double stack?

In front of any scope... with a blocking filter in the diagonal? Heya, With an appropriate holder/adapter/mount you can thread it in front of virtually any scope, as long as the focal length is around 1m or less likely (you'd have to look that up). For visual safety you need an ITF & blocking filte...
by MalVeauX
Wed Mar 11, 2020 6:39 pm
Forum: SPoD Archive
Topic: AR2758 HA & CaK | March 11th 2020
Replies: 6
Views: 910

AR2758 HA & CaK | March 11th 2020

Heya, I had decent seeing this morning, around 1.2~1.4", so was able to capture some interesting bits in AR2758 in HA & CaK. Seeing dropped rapidly after that, just after 11am Eastern Time as my mid-day seeing started to become apparent. The sunspot is gone, AR2758 no longer has a visible umbra real...
by MalVeauX
Wed Mar 11, 2020 6:39 pm
Forum: This is SolarChat !!
Topic: AR2758 HA & CaK | March 11th 2020
Replies: 8
Views: 990

AR2758 HA & CaK | March 11th 2020

Heya, I had decent seeing this morning, around 1.2~1.4", so was able to capture some interesting bits in AR2758 in HA & CaK. Seeing dropped rapidly after that, just after 11am Eastern Time as my mid-day seeing started to become apparent. The sunspot is gone, AR2758 no longer has a visible umbra real...