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Monday, May 5, 2014
Daystar Quark First Light(s)
I wanted to wait until I had had some time with the new Quark before I posted any thoughts . The one I purchased is the chromosphere model and I have used it two times now . This filter has a 4.2 telecentric barlow so I figured using this with my long tube refractors could be iffy . The solution was an Orion Short tube 80 . At 400mm F/L the Quark bumps this up to 1680mm . My Moonlight focuser's are easily adapted to other scopes so I mounted one of them to the new solar weapon .. This is the configuration I used for the first images
I use my scopes more for imaging than I do for viewing but what I saw through the eyepiece was impressive , the field is quite narrow compared to my SM 60 but the details were every bit as good . where it exceeds the SM 60 is in the even lighting and absence of any sweet spot .
So far I have found this to be quite an imaging friendly filter . On scopes up to 80mm nothing else is required , just drop it into the diagonal and you are good to go . I tried using it with and without a 0.5 focal reducer on the camera and had no issues bringing the scope to focus . With the 4.2 built in barlow this does not cover too much area and gets you in pretty close so I wanted to see if a reducer would work for a more backed out view . Here are 2 images with the 0.5 F/R mounted to my DMK 21
AR 2058 , 2060 with AR 2061 just off the limb
Where all the action is , AR 2055 & friends
Now a shot of AR 2055 without the reducer
Even though this is not the prominence model it doesn't do a bad job
For comparison I took many of the same shots using my SkyWatcher / PST mod . There a couple of things to consider here , one is that I have had more experience imaging with this combination and two is that the SkyWatcher offers has a 100mm aperture with more than twice the focal length . here are the comparison shots
I wanted to try the Quark in my SkyWatcher and removed the blocking filter and 2" to 1 1/4" adaptor and put the 2" diagonal and Quark in it's place so this image is my SkyWatcher / PST mod double stacked with the Quark at a whopping 3780mm focal length !! I am surprised it turned out as good as it did .
Note ; All images were done with a DMK 21
May 16 update
I had another go with the Quark on May 13 . This time I removed the mod from my SkyWatcher 100 F/9 and used this scope with my DMK 31 for these images . Using this scope with the Quark and it's built in 4.2 barlow lenses brings the focal length up to 3780mm and was pushing the scope to it's limits . These being test shots I did not worry about identifying them .
My 2" Eyepiece Adapter
Daystar recommends using longer focal length eyepieces with the Quark . I have a couple of long F/L eyepieces but they are in a 2" format . I have always wanted to view the sun through a 2" eyepiece so I made a simple adapter so I could mount a 2" SCT visual back to my Quark and allow me to try 2" ep's with it .
Antares 2" visual back with the adapter
Assembled 2" adapter
2" Adapter installed in place of the original 1 1/4" one