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Starwiz

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About Starwiz

  • Rank
    Proto Star

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  • Location
    Malta
  1. Does anyone know if it's possible to use a camera/telescope combination to derive the sky quality in terms of a number like a Sky Quality Meter would do? My reasoning is that they both collect photons, which are converted to electrical signals. The SQM presumably applies an algorithm to the data to come up with a number. Thanks John
  2. I like the yellow stars. Nice capture!
  3. Thanks. I had a look at the FLO site for the cable and all the reviews look pretty good. John
  4. Thanks. Everyone's very helpful on this site as always. John
  5. Can anyone tell me how I go about connecting APT to my NEQ6? (So I can try plate solving, etc.) Currently I use PHD2 with a cable connecting my laptop to my ASI120mc for guiding. There is another cable that goes from the ASI120 to the mount. Do I need another cable and the necessary drivers? I'm an electronics engineer, but don't feel I have enough info to know what I'm doing on this one Thanks John
  6. Nice one! No matter what anyone says, it'll be worth all those thousands you will soon be spending.
  7. I didn't have a Bahtinov mask back then, so as you can see my focus was a little off.
  8. As tomato has shown, it's certainly possible. I've only tried it once myself - a more modest M57 unguided a few years ago. This was with the colour version ASI120mc.
  9. As long as it works without causing a condensation problem, that's all that matters. John
  10. No, it's not for darks, just to stop any light getting in at the mirror end whilst I'm imaging. My last set of darks, which was actually my first set with the ASI1600mm, I took with the camera detached from the scope and the black lens cap inserted into the EFW. This seemed to work fine. John
  11. Very good for a relatively small amount of data. Well done.
  12. Sorted! An elasticated light shield made by my wife with a couple of layers of black material. And she also made me a nice dust cover for the scope and mount.
  13. I'm still getting to grips with my new ASI1600mm-Pro, but managed to give it first light in the last week. Both images tightly cropped. The first is from a couple of years ago and was the best I achieved with my Canon 1200D under a Bortle 4 sky in the UK. A CLS light pollution filter was used. The second image is from LRGB data captured with my ASI1600mm-Pro out here in Malta under a Bortle 5 sky. I've probably over-processed it a bit and the sky may be a little dark, but I'm still finding my feet with LRGB. The stars are also slightly off-round, possibly due to some breezy gusts or the tracking being slightly off. I took 120 x 20s for the luminance and got it down to 103 after the rejects. RGB was 30 x 60s with 2x Binning for each channel. Dithering, Darks and Flats were used except for the RGB where I didn't dither. Both images were using my SW200p and NEQ6 with Orion mini guide scope and ASI120mc for guiding. I was very pleased with my first M51 in 2017, but the difference in quality with the ASI1600mm is striking. ?
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