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About astrosathya

  • Rank
    Star Forming
  • Birthday 26/11/1984

Contact Methods

  • Skype

Profile Information

  • Gender
  • Interests
    Telescopes, Mounts, Astrophotography, General photography, CCD cameras, Cooking Indian Vegetarian Food :P
  • Location
    Bangalore, India
  1. 6" f4

    Hi, I do not tighten the spider at all. It came sufficiently tightened out of the box. The only thing I do is use the three Philip screws for collimation. I do not use a DSLR, though I have a self modded Canon 500D, I haven't tested it yet. I use a QHY9M with filter wheel. Since My QHY9M is at 40mm line on the focuser, and it sticks out about as much, My guess is that to have a 20mm mark on the focuser with a DSLR, you'll need to use the supplied 35mm extension tube. I am using the GSO Coma Corrector.
  2. 6" f4

    I purchased a GSO 6" F4 Newtonian about ten days ago and I've had first light with it. Fine telescope for the price we pay. One can never expect premium stuff for a cheap price. But they are definetly worth the money you pay.
  3. Guide cam

    QHY5-RII is the most basic version of the QHY planetary/guide cameras. QHY cameras generally work, so no reason why it should not. Download ASCOM drivers for it, its always good to use it with PHD2 software.
  4. QHY5L-II support in PHD2

    Hello Everyone, I recently bought a new laptop and installed PHD2 in it. To my utter surprise the QHY5L-II guide camera is not working even though I've installed all drivers. It is able to connect to the camera, but no image. I then tried with PHD1 and it works just fine. I am wondering what may be the problem. Moreover, in PHD2 the QHY5L-II is not listed by name.
  5. Andromeda DSLR and focal reducer

    Please upload a dropbox link to your stacked file. Given the quantity of data you have, I am sure some of us here would love to have a go at it and see what we can pull out.
  6. Software Hoarding

    Hey Everyone, I bought a new laptop two days ago. Even though I do have the standard software like APT, PHD1,2, CdC, Stellarium, DSS, ASCOM, EQMOD etc. etc, Anyone have any other software in mind I could install? I'll admit that I kind of hoard them on the PC and not really use them.
  7. Oh, I'd assumed that USB hubs worked off of 5VDC and the 12VDC would be reduced to 5VDC before it reaches the USB circuit. But truth be told, I want to build a power and USB hub in a single unit.
  8. Admins: If the below post doesn't belong here, please shift it to the appropriate location/category. Friends, Since I purchased a CCD recently, I've had this huge cable management problem. It also didnt help that my notebook has only two USB ports, while I need a minimum of three for my EQDIR, CCD, Guider and joystick. I've tried unpowered hubs, but no use. All the powered hubs available in the market have AC adapters, while I have only a 12VDC supply. Given the above circumstances, I'd like to design a DC powered USB hub, which will also have a PCB for 12VDC supplies. I know that Primaluce labs and Hitech astro make them, but they are very expensive for me. Any help with the circuit design will be really helpful
  9. Hi Ken, My latitude is 13deg N (bangalore, India). I'll look forward to the Polar Drift method too. I have tried the traditional drift method in PHD2, but have got orthogonality error always, but only today realized that my telescope being quite a bit far off from the DEC may be the issue. Once I get clear skies here, I will try with my RC which balances better with my CCD.
  10. I live in a Red Zone (Bangalore) and having earlier tried the Sharpcap version of PA, I know that my finder guider cannot see even the pole star well enough, rest of the sky is an orange wash. For this new PA routine of PHD2, I guess I'll have to go to a Bortle 2-3 sky at the very least?
  11. KAF8300: RBI real life experiences?

    I use the QHY-9MS, the latest version of this camera with the 8300 chip. I know many folks prefer the slightly pricier Atik 383 and some even the more expensive QSI. I just wanted the chip and the QHY was the cheapest. I bought mine from Bern at Modern Astronomy. Very nice camera. Never heard of RBI, but i've not had any issues with it either. Ofcourse, given the bad skies down here, i've used it once.
  12. PHD vs PHD2

    I might as well as my experience here. I was a user of PHD1 because my older opticstar guide camera was not compatible with PHD2, and I wasn't complaining either because I had flawless guiding. I purchased the QHY-5LII last season and knowing it was compatible with PHD2, I downloaded the same. Thats where the problems began. It always showed Orthogonality error. Prior to this I used to do 5min exposures with rough polar scope PA and faced no such issue with PHD1 and after switching over to PHD2, problems galore. I've decided to stick to PHD1 and EQMOD combo for this upcoming season. I've tried guiding assistant etc. Anyone have any idea why PHD2 throws up orthogonality issues?
  13. Polar alignment with Sharpcap tool

    Hi Roysten, I tried using sharpcap to polar align from my city apartment, but the Light Pollution is simply too much and hardly any stars are visible in the region. What are the settings you use for PA with Sharpcap?
  14. First light for new kit

    Yes Ofcourse Paddy. That was on Amateur Astrophotography ezine FB page
  15. First light for new kit

    A very rushed "First Light" image of my new kit. Many friends here know what I've recently purchased, but officially here is the announcement. Its a QHY9 Monochrome CCD camera with a Slim filter wheel for 7 x 36mm round filters. There are also LRGB Ha OIII and SII filters purchased. I also got a QHY5L-II guider and some other adapters to fit the whole thing together. After a couple tries, first light was last night and i've deviated from the M42 aka Orion Nebula image. This is the Rosette Nebula (Caldwell 49), and its associated cluster NGC2244 are approximately 5000 light years away in the Monoceros Constellation. Image is a stack of 18x300s in H-alpha lights, no darks and flats taken. Stacked using Median method in Deep Sky Stacker and quickly processed in Photoshop using only crop, levels, curves and unsharp mask. C&C are more than welcome.