astrosathya

4 hours ago, Susaron said:

Hi Sathya, perhaps it is a combination of factors mainly the camera and the scope. The camera is a QHY168C, contrary to a DLSR it does not have IR filter so you have the whole spectrum available, as filter I use an IDAS LPS D1, so I collect all the needed data discarding the LP. Moreover the SW130PDS is F5, so it is a fast scope, this allows along with a good camera, to reduce the time needed for your exposures, I have got even very good results with 60s exposures. If you dive a little in this thread you can see the differences got for the same objects taken with the same scope and different cameras.

The SW130PDS is a bargain imaging scope, so what you save in the scope can be used to couple a good camera, the QHY163M, 168C, 247C or the ASI071, 1600 or 294C are very good candidates, or any good CCD like the Atiks 460X or Horizon CMOS. The difference is huge really huge.

Also the postprocessing has something to say, with DBE tool from PixInsight you can extract the best from your pictures.

I attach just a frame, with the background removed and with the histogram streched.

 

Thanks for the reply Susaron. I actually have a 150mm F/ Newtonian as well as a QHY9M with 7x36mm HaOIIISIILRGB filters. ? The newt has a faulty secondary holder and its too much effort o setup the CCD in rainy season, hence the use of my Modified DSLR. I'll try the newt next time with a LP filter. Thanks again.

17 hours ago, Susaron said:

Dear 130PDS addicts.

A suburban M7 surrounded by dark nebulae B283 and B287, also the tiny globular cluster NGC6453 can be seen. 20x180s subs + darks + bias with the usual equipment.

It is not easy to catch even here in spanish latitudes due to the LP mushroom, as the cluster does not climb so much over the horizon.

 

How did you manage to record so much data in 1hr? I too images the same object on 5th July this year through my RC and DSLR (135x30s, iso3200). The ISO was a mistake, should've kept it at 800, but regardless, theres a stark difference. Please can you help? 

I was surfing for reviews of the GSO 6" RC, and this happens to be right from the heart. Also the quality of the images are simply superb, but that mostly would boil down to the skills of John, who is an amazing Astrophotographer. I sold my Sky-Watcher Explorer 200, F/5 Newt  yesterday and now in the market for a less bulky scope. My primary interest are small galaxies, so I as leaning towards the 6" RC. Brilliant review I must say, and I am convinced that it is the scope of my choice. Thanks once again John for the wonderful writing.

Hello Russell,

I use a Canon 550D and a 2" UHC with my Explorer-200PDS. It works wonderfully in cutting out many unwanted lines. Light pollution is also suppressed to a very large extent. The filter does give a green hue to the entire image but color balancing gets rid of all that.

Take a look at my image.