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astrosathya

Members
  • Content Count

    367
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About astrosathya

  • Rank
    Star Forming

Profile Information

  • Gender
    Male
  • Interests
    Telescopes, Mounts, Astrophotography, General photography, CCD cameras, Cooking Indian Vegetarian Food :P
  • Location
    Bangalore, India

Contact Methods

  • Skype
    astrosathya
  1. you're absolutely correct there. I just found out that the equipment profile selected was OAG (1350mm) while i was guiding with Finder Guider. My mistake..
  2. i'll recheck all the internal settings. I actually did not change any including guidescope params. Mine is the standard finder guider. I'll check the next time i get clear skies.
  3. the parameters seem to be almost the same. the guiding exposure was 3s to beat the seeing which is usually 1.5". I am myself finding it hard to digest.
  4. Recently I had belt modded my HEQ5-PRO and last night i gave it a full run and i was absolutely stunned to say the least about the guiding results I achieved. I was left wondering if its even too good to be true! Below are Before and After images of guiding.
  5. Recently I had belt modded my HEQ5-PRO and last night i gave it a full run and i was absolutely stunned to say the least about the guiding results I achieved. I was left wondering if its even too good to be true! Below are Before and After images of guiding.
  6. Hello Everyone, I am looking to purchase 14-16" glass blanks. Would anyone know of a reliable supplier in UK?
  7. also, you're in Cheshire! I used to work for Opticstar Ltd, Sale, after my MSc at Salford.
  8. Great to know you've spent good time in Bangalore. I live in a place about 4 kilometers from Hebbal (the huge lake half way from the city to the new international airport). I hope you come back to bangalore and we could catch up.
  9. Finally I processed the Comet Neowise captured from Bangalore. Simple Set-up: Canon80D, Sigma 70-300 DG APOII @100mm F/4. ISO2000, 50x5s Stacked in Deep Sky Stacker Processed in Pixinsight. Lots of noise as I wanted to pull out both tails
  10. Hi Everyone, I am thinking of re-starting mirror grinding at home. I used to grind by hand and in this method, when we use the 1/3rd off-centre strokes for hogging out the sagitta, the upper glass becomes concave and would be polished into a mirror. However, this time I'd like to build a Mirror-O-Matic or something similar and do not understand that if the tool is on top, how will the bottom glass become concave? Or am I mistaken? Please advice.
  11. Hi Everyone, I am trying to setup the off axis guider in stellarium I've entered all details for my QHY5L II and checked the off axis guider box in the config. However, for the love of God I am not able to make the OAG red box appear in the display. No clue whats happening. My main imaging camera is a QHY9M. Any help will be appreciated.
  12. Dont go for the CG-5GT, especially if its a 2011-12 model. That was the final batch of production and 9 out of 10 mounts would be returned. The HEQ5-PRO any day. I've has both mounts. The CG-5 I disposed off within two weeks of purchase owing to faulty gears. The HEQ5-PRO i've had for 8 years and last week I modded it to a belt drive too.
  13. Thank You Carole. Its actually not difficult, but yes, a bit intimidating at the beginning perhaps. The only fiddly bit was unplugging the DEC motor wire. Otherwise much of it was a breeze.
  14. Friends, I am back with a tutorial video on how to modify your Sky Watcher HEQ5-PRO mount or its American twin, the Orion Sirius EQ-G into a belt driven mount. The benefits of converting to a belt drive is that you don't have to worry about Backlash. The procedure took me about an hour to complete. Link is below https://youtu.be/PjDZiXaN5KM
  15. this is correct, because of the filter wheel.
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