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Everything posted by Prolifics

  1. Starlight Xpress Lodestar USB 2.0 with original cable. New and unused. Bought several years ago but no need for it. £195 Free Shipping Link here http://www.iankingimaging.com/show_product.php?id=677 May swap for asiair or zwo asi 120mm guide camera.
  2. Just a note been looking through my last PHD2 logs and my HFD is beween 2.2 and 7 averaging 3.8 which i guess is not good?
  3. Many thanks that was the next question I have been focusing on objects about 40 m away and it works fine so not sure what the problem is. I am using the adapter that came with the guidecam so you can get focus.
  4. Hi thanks for the advice. My guide scope is listed in my signature. Only thing I havent tried is the HDR below 3 I will check it but cloudy skies here for a while and get back to you. Regards David
  5. Hi Michael I am struggling to get a snr of more than 15 mostly around 4 to 8. Guiding stars are sometimes lost. Regards David
  6. Paying fair price. Pleae send me a pm.
  7. Paying fair price. Pleae send me a pm.
  8. Hi having a few issues with my guiding and focus. Just a couple of questions especially if you have one of these guiding scopes. 1) Which driver should I use Altair or ascom altair? I am using eqascom setup. 2) What gain should I use on the guide camera as a ballpark? Some say gain 1x (lowest) if you can set in ascom if using the Altair Ascom driver. Finally a link to my actual guidescope. I have also in phd2 software set the noise reduction to 2 x 2 mean as recommended by several people. https://www.altairastro.com/Altair-GPCAMv2-130-Mono-Guide-Imaging-Camera.html Many thanks
  9. MDS-C11- MDS Series Dovetail Bar for Celestron 11″ SCT Telescope https://www.admaccessories.com/product/mds-c11-mds-series-dovetail-bar-for-celestron-11-sct-telescope/ Fits all Celestron 11″ OTA’s including CPC and HD models. Curved radius blocks and mounting hardware include. Uses existing mounting holes in OTA. 18″ long, 1.5″ wide, .625″ thick, Wt.16 oz. R100- 100 mm Adjustable Rings with Delrin Tipped Thumb Screws https://www.admaccessories.com/product/r100-100-mm-adjustable-rings-delrin-tipped-thumb-screws/ £89 for both Collection Only.
  10. EQ6 Pro Mount with DarkFrame Stellartuned Upgrade £695 In good working condition and excellent guiding in PHD2. Complete with Goto, Synscan handset and a working power supply. Polar align cap is not shown in picture but is included. Selling due to purchasing bigger and heavier mount. Collection Only because of weight!
  11. Managed to get out last night. Spent alot of time getting the autofocuser working as I wanted it. I ended up with only a couple of hours so I tried M13. With the filter wheel the right way around I have no photshop skills as you can see. Took me about 10 minutes to get something that qualifies as identifiable. Flats seem to have worked a lot better this time. Be pleased to have some input please as this is a minefield in learning which I love. Guiding averaged 0.85 in PHD2 HWFM 1.37 and HDR 0.50 using ZWO EAF 30 x 1 min Luminace 15 x 1 Minute Red 15 x 1 Minute Green 15 x 1 Minute Blue 20 Darks 20 Flats @25000 ADU PS. I have some slightly oval stars to the edges are these caused by not having a Flatener/Focul reducer? I should have cropped the picture but left it as is.
  12. Hi if you decide to split I would be interested in first refusal on the ZWO 120mm  


    Many thanks David

  13. Another major fix I have just made which I would have not picked up on if I wasn't scouring the forums. My EFW zwo wheel was on the wrong way. Which means the gap between the camera lens and the filter was 8.5mm instead of 2.4mm approx. Plus it also meant the filters were on the wrong way. I reversed it all and the camera is on the correct side of the filter wheel now and the screw threads on the filters are facing the camera. Which accounts for those big black reflection filterwheel size circles on my images Should also reduce vigneting sigificantly! I just purchased and installed the EAF ZWO Auto focuser and is working like a dream. Can't wait to get back out hopefully this weekend for another try. Will post end results. Regards David
  14. Thanks not been a clear night since I last spoke to you. Looking better for next week. Its because I bought a light panel :)
  15. Weather been aweful no clear skies for last 8 days and not looking good for bnext 5 days either :( I received my light panel so wikll check it out as soon as I can.
  16. My flat panel should arrive tomorrow. In APT the ADU is set as default at 20,000 should I leave it there or change it. Some people have mentioned 12,000 is better? Or use a histogram and do it that way? I would like a good start to my flats probably take 40 per filter. Regards David
  17. Hi again Adrian No problem I do that a lot myself I think I got the PHD2 tracking great and the focus acceptable. Just need a clear night and try with flats and darks. A never ending learning process thats why I am enjoying it so much I usually stay up until i go unconscious Then I realise I need to bring the scope and mount in as well as all the wires. I need to organize myself and finish 45 minutes earlier so I can take the flats just before I fall to the ground Have a good sleep.
  18. Hi Adrian Thanks again for all your help. As I stated above there is no flats or darks in this image. I did not want to complicate matters and wanted to try and fix focus issues etc. Would you suggest next to use some flats and darks taken on the same evening as I take some exposures? I also am waiting on my light panel to arrive. So seeing there are no darks or flats in these stacked images I think they have turned out ok ish This is still my 2nd ever object I have imaged. Next to the flats and darks. My theory on Darks is to take: same length of Exposure as lights Same Gain and offset as Lights Complete darkness and temperature as of lights taken. Flats will need experimenting with via APT Flats maker and a suitable Light source. Also Using FWHM in Sharpcap making the square reitcle smaller over a star also brings down the Focus number Also PHD2 guiding on my gear modded eq6 pro was 0.51 over 1.5 hours. There was a time that for 35 minutes no corrections to the graphs were ever made. I though that this was an error but it was guiding at 0.23 (total error) then I run Phd2 guiding right out of the box as to say and don't even bother with the guiding assistant. Kindest regards David
  19. Hi Adrian Your right about moon and short time to aquire an image. I decided to take 20 x 1 minute exposures in LRGB I stacked them in DSS without dark or flats. I wanted to eliminate any problems. Link not M81 https://www.dropbox.com/sh/skqoxrbe5huosg4/AAAdQ_UEP0XsX0S0b6oBPiiKa?dl=0 Firstly I wanted to see if the focus was better and if I eliminated those red problems. Please give me your views if you have any time on your hands to download the new data of a new object. I noticed I have no claw marks now (probably caused by bad flats). But I still see what looks like coin size circles around SW of centre. Are these from the filter wheel or dirt? Scope is brand new nearly. When I load my masters into PS they are RGB/32 bit. I saved them in DSS as 16 bit not sure either why they are not greyscale when I load them in? Look forward to your honest opinions Kindest regards Davd
  20. Hi Adrian Out with the scope used Sharpcap and used the Bahtanov mask and focused exactly the middle spike to the centre. Then went to FWHM Measurement mode in Sharpcap showed as 5.6 I used the fine focuser and got the bars down to low yellow average 3.3. It won't go any lower than that. 3.3 Obviously an improvement over 5.6 whcih is where my setting were on my first upload. I also found huge movement in my EQ6 Pro mount on the dovetail head of over 6mm Tightened the 3 tap screws and re-aligned for home park position. So tonight I aim to do some 2 minute exposures. I will let you know how they turn out if they look OK i'll upload them so you can take a look. I think I am heading in the right direction Thank you for all your valuable help! Kindest regards David
  21. I have Sharpcap as it comes free with my Altair GPcam2 aor130 but I first started using SGP for focus with the mask by right clicking picture and using the HDR option on the menu. Not sure how to do that with Sharpcap will take a look later. But if i change camera it will de-license itself as its only a full version with the Guidecam above selected. I use Sharpcap for my Polar Alignment. I will investigate in a better light source for my flats some sort of evenly lit panel that has different brightness options and try the flats again. I will stop the bias frames from now on. I will also investigate options in DSS so they don't save as RGB and ssave as Greyscale. After that lot is sorted I may see some of the problems go away
  22. Thanks for the constuctive criticism. For the Lum i stacked dark flat and bias with the lum only data. I used HDR to 1.6 on SGP and APT. I will need a routine to improve my focus Flats do have a problem I need to get a better light source.
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