Search found 556 matches

by PDB
Wed Apr 01, 2020 2:41 pm
Forum: This is SolarChat !!
Topic: Daystar 127mm aperture fully integrated Solar Telescope
Replies: 4
Views: 67

Re: Daystar 127mm aperture fully integrated Solar Telescope

I wouldn't want to pay $8k for a Quark grade scope
Neither would I. I have a 120mm scope, so for that price could probably buy 7 quarks (and get bulk discount?) and hopefully get 1 good one.

;)

Paul
by PDB
Wed Apr 01, 2020 10:42 am
Forum: This is SolarChat !!
Topic: Some new activity UPDATE 31-03 - new image
Replies: 16
Views: 165

Re: Some new activity UPDATE 31-03 - new image

Thanks again for the comments. No luck today, blue sky, terrible seeing .... The few good moments were to short.
Cap.JPG
Cap.JPG (60.4 KiB) Viewed 21 times
P
by PDB
Tue Mar 31, 2020 6:38 am
Forum: This is SolarChat !!
Topic: Some new activity UPDATE 31-03 - new image
Replies: 16
Views: 165

Re: Some new activity

Thanks for the comments.
Sttill visible, but getting cloudy now.

Did not find a sunspot number yer and also SIDC did not spot it yesterday. Some comments from visual observers yesterdat was that they could not see the spot.

Regards,

P
by PDB
Mon Mar 30, 2020 2:40 pm
Forum: This is SolarChat !!
Topic: FD 03-30
Replies: 21
Views: 146

Re: FD 03-30

My understanding was the 4 stack options were to generate 4 stacks "at the same time" from the same set (left to right on the graph) The diagram is normally shaded, which is the sorted option. You can change that by pressing the frames button on the image window, then you scroll not by quality, but ...
by PDB
Mon Mar 30, 2020 2:40 pm
Forum: SPoD Archive
Topic: FD 03-30
Replies: 21
Views: 21

Re: FD 03-30

My understanding was the 4 stack options were to generate 4 stacks "at the same time" from the same set (left to right on the graph) The diagram is normally shaded, which is the sorted option. You can change that by pressing the frames button on the image window, then you scroll not by quality, but ...
by PDB
Mon Mar 30, 2020 2:08 pm
Forum: This is SolarChat !!
Topic: FD 03-30
Replies: 21
Views: 146

Re: FD 03-30

The green line represents the sorted to quality.

Jochen are you sure about the "sections". Doesn't AS stack accourding the the sorted quality? (Thats the only way thats make sense)

Paul
by PDB
Mon Mar 30, 2020 2:08 pm
Forum: SPoD Archive
Topic: FD 03-30
Replies: 21
Views: 21

Re: FD 03-30

The green line represents the sorted to quality.

Jochen are you sure about the "sections". Doesn't AS stack accourding the the sorted quality? (Thats the only way thats make sense)

Paul
by PDB
Mon Mar 30, 2020 11:01 am
Forum: This is SolarChat !!
Topic: Some new activity UPDATE 31-03 - new image
Replies: 16
Views: 165

Re: Some new activity

Thanks Mark.

I used astrosurface for the stacking but did not use the wavelets of other filters. That was done with IMPPG, which gave me better results. (but i could have settings wrong in astrosurfacce.

Paul
by PDB
Mon Mar 30, 2020 10:56 am
Forum: This is SolarChat !!
Topic: FD 03-30
Replies: 21
Views: 146

Re: FD 03-30

I would say its fixed pattern noise too. But that is strange, never seen that on an AS120.
To much undersampled? What f/ratio did you use Maurits.

Paul
by PDB
Mon Mar 30, 2020 10:56 am
Forum: SPoD Archive
Topic: FD 03-30
Replies: 21
Views: 21

Re: FD 03-30

I would say its fixed pattern noise too. But that is strange, never seen that on an AS120.
To much undersampled? What f/ratio did you use Maurits.

Paul
by PDB
Mon Mar 30, 2020 10:13 am
Forum: This is SolarChat !!
Topic: Some new activity UPDATE 31-03 - new image
Replies: 16
Views: 165

Some new activity UPDATE 31-03 - new image

Let's see how long it lasts ....
0837.png
0837.png (402.86 KiB) Viewed 165 times
Very bad seeing

An attempt with the C8 today. Very difficult with bad seeing. Not as sharp as I wished.
2020-03-31-0827_1-SC.jpg
2020-03-31-0827_1-SC.jpg (97.25 KiB) Viewed 74 times

Kind regards,

Paul
by PDB
Fri Mar 20, 2020 5:20 pm
Forum: Solar Software
Topic: do you know "astrosurface"?
Replies: 9
Views: 363

Re: do you know "astrosurface"?

Anyway confusing or not, the software looks great!

Paul
by PDB
Wed Mar 18, 2020 1:21 pm
Forum: This is SolarChat !!
Topic: New AR March 18 - 2020
Replies: 11
Views: 286

Re: New AR March 18 - 2020

Thanks for comments and spod.

Seems tomorrow will be "clouds"; so can't do follow-up.

Paul
by PDB
Wed Mar 18, 2020 9:59 am
Forum: This is SolarChat !!
Topic: New AR March 18 - 2020
Replies: 11
Views: 286

New AR March 18 - 2020

new group forming today.

Solar Continuum filter - 9h22 UT
2020-03-18-0922_2-SC-Sun_lapl4_ap2675_conv.jpg
2020-03-18-0922_2-SC-Sun_lapl4_ap2675_conv.jpg (140.4 KiB) Viewed 286 times
Regards,

Paul
by PDB
Wed Mar 18, 2020 9:59 am
Forum: SPoD Archive
Topic: New AR March 18 - 2020
Replies: 2
Views: 144

New AR March 18 - 2020

new group forming today.

Solar Continuum filter - 9h22 UT
2020-03-18-0922_2-SC-Sun_lapl4_ap2675_conv.jpg
2020-03-18-0922_2-SC-Sun_lapl4_ap2675_conv.jpg (140.4 KiB) Viewed 150 times
Regards,

Paul
by PDB
Mon Mar 16, 2020 7:40 am
Forum: This is SolarChat !!
Topic: focus help for solar
Replies: 5
Views: 533

Re: focus help for solar

Hi Mattias, Most of the capture programs (FireCapture, Genika and probably also SharpCap) have built-in focus aids. However never had very good results with it. What gives me very good results is Genika with the autofocus feature. But that requires a solid focuser with motor (Needs an absolute focus...
by PDB
Sun Mar 08, 2020 4:59 pm
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: SM2 Etalon, Primary vs Double Stack Module?
Replies: 7
Views: 2981

Re: SM2 Etalon, Primary vs Double Stack Module?

Sorry Mark but I don't take that statement and don't understand why we still take such an attitude from manufacturares. I know making etalons is not easy, but if you shift quality control to consumers (and hope you sell it to less knowlegdeble people) well that is NO WAY of doing business!

Paul
by PDB
Sat Mar 07, 2020 1:16 pm
Forum: This is SolarChat !!
Topic: A small AR belonged to the Cycle 25 tries to form a spot.
Replies: 9
Views: 1885

Re: A small AR belonged to the Cycle 25 tries to form a spot.

Well saw it on sdo this morning and was able to catch something using the Skywatchter 120
2020-03-07.png
2020-03-07.png (622.79 KiB) Viewed 1872 times
Paul
by PDB
Wed Mar 04, 2020 1:55 pm
Forum: Forum Support Issues
Topic: Messaging another member via e-mail through this forum
Replies: 8
Views: 2753

Re: Messaging another member via e-mail through this forum

Alexandra

it is the forum and going on already for a long time
Sometimes no messages
Sometimes without text ...

Paul
by PDB
Thu Feb 20, 2020 9:06 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Omni xlt 120mm and quark
Replies: 10
Views: 2257

Re: Omni xlt 120mm and quark

The first one: my dealer sent it back to Daystar and they sent me something bach after a few months. (Replaced or new, can't say since they have no serial number. Too costly just to put a serial on it? My dealer took all the cost of sending it back and forth (warranty) Second one looked ok with good...
by PDB
Sat Feb 08, 2020 10:02 am
Forum: This is SolarChat !!
Topic: Full solar disk 6th Feb 2020
Replies: 11
Views: 2042

Re: Full solar disk 6th Feb 2020

Hi, yes orientation can be a "problem". I always try to image straight-thru and place the camera so that north (not suns north, but true north). I have 2 ZWO cams the 120 and the 178 and to get a "correct" image I need to place the 120 with the usb connector upwards, and the 178 downwards. (So senso...
by PDB
Thu Feb 06, 2020 3:44 pm
Forum: This is SolarChat !!
Topic: ZWO ASI178 "grid" issue
Replies: 10
Views: 1715

Re: ZWO ASI178 "grid" issue

Hi, yes very known problem with the 178. But is not always prominent. Looks like signal/noise ratio can make it worse or better. It is not only in H-Alfa. Take a bias frame and extremely stretch it, you will start seeing the pattern. On "normal" images it is probably swamped in the signal. It can be...
by PDB
Sun Feb 02, 2020 8:34 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: "New" PST comes with a 30mm etalon??
Replies: 12
Views: 1826

Re: "New" PST comes with a 30mm etalon??

Probably they were inspired by how other filters are measured .... A 1-1/4" thread-in filter is also measured by the outher casing leaving only ~26mm clear aperture. (~1") (But here that is more an indictaion where the thing will fit in) But still guesswork; one (not me) should probably buy one and ...
by PDB
Wed Jan 29, 2020 7:13 am
Forum: This is SolarChat !!
Topic: AR2757
Replies: 10
Views: 1788

Re: AR2757

Hmmm, seems my reply from yesterday got lost in the net ...
Anyway, thanks all for the comments.

Paul
by PDB
Mon Jan 27, 2020 8:03 am
Forum: This is SolarChat !!
Topic: AR2757
Replies: 10
Views: 1788

AR2757

Since most pictures are H-alfa or other narrowband here is some white light. (Just don't want to invest anymore in lottery-like equipment) Taken yesterday in a 15 minute opportunity before the Sun went hiding behind trees. 2020-01-26_T_12-28-59-0727_SC_lapl3_ap559.jpg And a quick crop of the new are...