Jump to content

SkySurveyBanner.jpg.21855908fce40597655603b6c9af720d.jpg

All Activity

This stream auto-updates

  1. Past hour
  2. 1. Is it a Canon DSLR, you didn't say ? Shoot Canon video this way: https://www.astropix.com/html/equipment/canon_one_to_one_pixel_resolution.html 2. It doesn't matter much that planets appear as "dots" in DSLR images. If you crop the eg 5000 x 3000 pixel images to a typical planetary camera image size of 1280 x 1024. Hey, the planet looks the same size as if you'd shot with a planetary camera ! Also it's much easier to place that tiny dot on a DSLR sensor than in a tiny sensor Planetary camera . 3. 420mm focal length is pretty short for Planetary, even with Barlowing. Many are using a 2000mm FL SCT and Barlowing ! Michael
  3. Clear images but just a bit too bright IMHO. I'm not quite clear why you are transferring images from the micro sd card to the 64gb usb. Why don't you just send the images directly to the usb dongle in the first place? Apologies if I've got the wrong end of the stick.
  4. Thank you Dave, your WL on astrobin are great!
  5. At that price I'd be tempted to go for the triplet 130. Fpl53 too https://www.teleskop-express.de/en/telescopes-4/apochromatic-refractor-55/all-apos-und-eds-223/ts-optics-photoline-130-mm-f-7-edt-triplet-apo-refractor-6679
  6. Today
  7. For exposure with a 533MC Pro, aim for 3000 ADU average at 100 gain which you can find in the histogram data. This will ensure you are not clipping, and not overexposing.
  8. Just Wow, you are the nerdiest nerd, live long and prosper, you are and always will be a 🤓 lol.
  9. Thank you, is that also known as the Orion LHD? I was hoping for a 1.25" to make use of filters I already have
  10. @Dragon_Sky Awesome images mate! Regards, Wes
  11. I have the APM Hi-FW 12.5mm and really enjoy using it. It's better in every respect than my Nagler T4 12mm (eye relief, lack of SAEP, etc.). Personally, I have never noticed EOFB in the APM. It's really bad in the 12mm NT4 by way of comparison. You might also check into the Founder Optics Marvel / StellaLyra LER UWA 14mm 80 degree. It is 2" only, but it gets great reviews.
  12. Among affordable eyepiece pairs with near max true field of view for affordable binoviewers, I've used the 23mm Aspherics with my Arcturus binoviewer (made by Norin Optech), but much prefer the Svbony 20mm 68 degree UWAs for their much better clarity, contrast, and sharpness. They're best at f/12 and slower. I use the optical nosepiece of a vintage Meade 140 2x Barlow to reach focus. I just screw it into the insertion barrel of the BV.
  13. below is the best i can do with graxpert, siril and astrosharp. my main issue is i can play with curves and bring out more detail in the galaxy, but i get a lot more red background noise. im guessing this gets better with more exposure time? apart from that, im pretty happy with this i feel like i could solve that a bit by doing a clone on one part of the starless starnet++ output to another and cover up the red noise?
  14. Yesterday
  15. Agree totally, my recent M51 here was three hours combined for LRGB, and an hour of Ha, and that was over two nights. Only my second image this year, I feel that every image is a salvage job
  16. The bias can be re-used as well. I must confess I am a bit lazy and rarely clean my optics but then the filterwheel and camera are kept together and sealed even when not on the rig. I do take flats every time though................ Except for - I have a camera and filterwheel attached to a Samyang lens which I don't separate, and I have re-used flats upto 18 months later and they have been fine. But you are correct in saying nothing should be moved. My separate Camera and filter wheel that I do remove from the telescope now and then, I take new flats every time the camera is moved. HTH
  17. Now of course I have to babysit the setup through a few meridian flips as by attempting to fix the goto I might have broken the flips.
  18. Thanks for that, I dug out and installed a button battery and set the time and location. The location was already right, the Air must update this somehow as I never configured this and without a battery the handset would not remember anyway. Time zone was also right but time was out by an hour. DST setting was also wrong.
  19. Thanks for the suggestions Geoff. I swapped the encoder and gears and the problem persisted. I didn't swap the motor but I noticed that the shaft of the azimuth motor has a lot of play, going back forwards when I press it. The alt one doesn't seem to have it. I also noticed the az makes a squeaky noise (even without gears) whereas the alt is quite, thus why I thought it is the motor. If the PCB has a fault I would expect the motor control to be dead? The wormwheel and brass turn extremely slowly but no transfer of movement to the large disc so the motor is engaging with the gears ok. I checked and tightened for slippage. I am running out of ideas what to check next.
  20. Two great images of my favourite galaxy! 👍
  21. Nice topic, I was looking for a place to share my love for astronomy, when I signed up for SGL I was afraid It would be a fad from which I would slowly withdraw from as I am a huge procrastinator and seldomly finish what I start lol. But once I was in I felt welcomed and engaged, you all were interested in what I had to say and It gave me a feeling of family. It was impossible to forget or become lazy about participating.
  22. The air can mess up meridian flips if the time is not in UTC format on the hand controller. It's a common problem talked about within the ZWO forums.
  23. A great resource for research is Astrobin. If you haven’t heard of it it's a community of photographers who post their images/have forum discussions. It is free to join. You can search by location, say New York, and view images posted by individuals near you. In the main they will list the equipment used and exposure times. You can also search by equipment such as your camera and view images and see what camera settings have been used. It’s a great way to see first hand what combination of equipment/exposure times will produce and to look for potential targets. Worth a look if you haven’t already.
  24. Has anyone got any experience with the above eyepieces? (I have a gso 8" f 5.9) Someone on CN pointed me in the direction of Siebert Optics, specifically the Ultra range as I wear glasses and looking for a large fov. Seems like a nice small scale company but cannot find any user reports on those fl in that range. The spec of the 15mm seems spot on, 13mm may not have enough er for me. Longer focal lengths seem very well priced. I was also looking at the APM option, lots written about it and the main problem seems to be EOFB. With my experience I probably would not notice that although I do observe from a light pouted area, could that be a problem. Would be good to hear from someone that has used this Morpheus 12.5mm keeps coming up and I have used a 9mm but whilst amazing, it isn't my favourite. Due to lack of experience, I find eye placement a bit tricky which can lead to black outs and an off putting brown if observing the moon (CA?). Otherwise its great, would be happy to buy used... Other options in similar focal lengths then get even more expensive and heavy (TV, ES...) Your thoughts and/or alternative suggestions would be much appreciated
  1. Load more activity
×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. By using this site, you agree to our Terms of Use.