October 12 Images

An other fine day for solar imaging . Today there was a treat in the form of a huge prom , look close at the upper right of the limb and follow this monster up !

                                             I also took some white light images today

                                                                   AR 1861

                                                             And again in white light

                                                      AR 1864 &65

                                                        W/L

                                                          Proms on the Limb

                                                 I saved the "Big Boy" for last

October 11 Images

I have been getting behind with my images here , time to catch up . Here is what I have from yesterday .

                                                                     AR 1861

                                                            AR 1864 & 1865

    
                                                                 AR 1857

                                                     The "Horse Shoe" filament

                                                          Proms in the limb

I'm finally getting around to listing the equipment that I currently use for my solar viewing and imaging.  I have a Cemax 2X Barlow, a GSO 1.5-2.0X Barlow and a Televue 2.5 Powermate.  I use these in various combinations for magnification selection depending on the current seeing conditions and what I am trying to image.  The GSO Barlow lens I remove and screw into the camera and use it alone or mounted to the Powermate.  The Cemax Barlow I use with the camera and sometimes just the Barlow lens in the camera.  This gives me a varying range of image sizes that I can image.  For wider field I use the camera alone or with a .5 focal reducer.  I find that either of these requires the use of one or more polarizing filters to reduce the light level so that I can have better control of the Etalon 'sweet spot'.

For imaging I have a DMK 21 Mono camera.  I would like to try a higher resolution camera but I have yet to find one with a high enough frame rate to accomplish what I want.

Update;  I have purchased a DMK 41 mono camera but I haven't had good condition to be able to try it out.  here is a comparison of the DMK 21 sensor and the DMK 41 sensor.

DMK 21 Max frame rate - 60    Resolution - 640 X 480 (307,200 pixels)
DMK 41 Max frame rate - 15    Resolution - 1280 X 960 (1,228,800 pixels)

Reviews that I have read and recommendations say the the lack of frame rate of the 41 will be over come by the increased resolution.   I will report back.

I still have my Coronado PST Solar Scope with an SME-40 Etalon for double stacking.  The PST Etalon is removed at the moment for use in my modified solar scope.

The last picture is of my setup when actually viewing and imaging.  A recent and worth while addition is a clamp on umbrella to get me out of the sun and improve viewing of my laptop.  Sometime I hope to replace my high tech card board box with a collapsible plastic en-closer of some sort.

October 9 Images

Beautiful job Bill , here is the full disk and the "U" filament from the 9th to go with your close ups

I have a few images from October 09, 2013 to put up.

AR1857 and off to the right, a horse shoe shaped filament.

A series of three images of the horse shoe shaped filament.

With AR1862 -

Close ups -

AR1862 -

AR1864 -

And an interesting faculae feature -

October 8 images

                                                     Yesterday's Full Disk

                                                       AR 1861 - 4 - 5 -

                                                   AR 1856

AR 1857

I have a few images from October 06.  There was a lot of haze and the sky was boiling so achieving focus was quite a challenge.

AR1857

AR1856

AR1856 - A different view.   If you look at the plasma bridge in the center of the sun spot (Enlarged image) you can make out a full twist. A plasma tube twists more with an increase in the magnetic (electrical field). This is the first one where I have notice this much twisting.

Prominece activity on the Southeastern Limb