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Showing content with the highest reputation on 07/21/21 in all areas

  1. Fingers crossed someone can get Gabs guiding tonight
    5 points
  2. Nearly there! Quick preview below. Very happy with the result comprising 3 hours of RGB with 25 minutes of Lum mixed at 10%. Not going to post officially until I get to see it on the big monitor - colouring on the laptop isn't always representative.
    2 points
  3. Tonight's my last run on the Tulip. That makes 6 consecutive nights, think that's a record for me. Fit's viewer is off, GPG RA set to estimate, if there's any weird crashes with Ekos or guiding freak outs then I don't know what the cause could be. Fingers crossed no gremlins tonight.
    2 points
  4. Can't wait to see what you have...I would like to have a try at the Iris Nebula next time out...
    2 points
  5. Thank you guys I will try again tomorrow night when I will be in Tuscany maybe some good wine can helps... more me than the scope I suggest...不
    2 points
  6. From July 17th, Samyang 135mm telephoto/Atik 460 combo, 12 x 300s each in Ha, OIII, SII...
    2 points
  7. This time at a longer focal length of 135mm using a venerable Zeiss Sonnar.
    1 point
  8. To top it off, Meridian Flip says inactive, no idea how to sort that out.
    1 point
  9. Crash report says it was Thread 10 !!!
    1 point
  10. Looking good so far. Plenty of nebulosity in the background.
    1 point
  11. No gremlins yet Meridian flip in half an hour.
    1 point
  12. Just got to the 5 hour mark in Ha on the Propeller. Looking OK so far.
    1 point
  13. Weve all done that Brian I have taken my first sub of the night OIII on the wall. Hope to add another 5 hours or so to the OIII I already have. You cant have enough data! Probably will have 30 hours of Ha, OIII and SII on the target if I get another night tomorrow where I aim to shoot 5 more hours of SII.
    1 point
  14. Not looking good for me for the rest of the week I'm afraid. Still have 3 hours from the Iris Nebula Monday night to process but have family duties getting in the way!
    1 point
  15. Wednesday, July 21st, 01:00 BST. I could see Io and its shadow near the western limb at 01:00 BST. I was using the 72ED and 140x magnification (6mm Tak' ortho' plus TV 2x Barlow). Seeing was well above average although the low, bright, Moon caused some transparency issues. I observed for about 75 minutes and watched Io and its shadow slowly track across the surface. At 02:15 I could still see both Io and its shadow. Io was a light brown-yellow colour.
    1 point
  16. From July 16th, Samyang 135mm telephoto/Atik 460 combo, 12 x 300s each in Ha, OIII, SII...
    1 point
  17. According to Stellarium it's smack over the Flying Dragon! 21h22m 38"42' Somewhere roughly halfway between Deneb and Cygnus's lower wingtip.'
    1 point
  18. I did this image once before but wanted to get a bigger FOV This is the original image done partly from home and partly from Kelling Heath. https://www.astrobin.com/full/ympjw0/N/ Davey T and I got together at his place which is Bortle 6 compared to my home location at Bortle 8 Still needs bags more data but don;t know when I will get another chance. Probably doesn't bear too close an inspection. Ha 23 x 600 (3hours 50mins) RGB each filter 8 x 150 binned (1 hour) Total imaging time 4 hours 50 mins WOZs71 + FR x 0.79 Atik460EX and HEQ5 https://www.astrobin.com/full/i9nyfx/C/
    1 point
  19. From July 18th, Samyang 135mm telephoto/Atik 460 combo, 12 x 300s each in Ha, OIII, SII...
    1 point
  20. Lovely image Carole.
    1 point
  21. The WO ZS71 has a focal length of 418mm if thats any use
    1 point
  22. It was a William Optics Zenithstar 71 scope, no idea of the focal length I'd have to look it up. That's a shame Neil. Carole
    1 point
  23. Very nice. The Sky at Night Magazine rate it very highly. One size fits all lol. It is very similar to my 102mm Altair Starwave with a 714mm focal length (f/7). S-FPL51 has a good Abbe number. My 72ED DS Pro probably has a CDGM equivalent to FPL51. It is very well colour corrected. You can use your new Starwave Ascent on the Saturn opposition in thirteen days! Honestly; there isn't much you can't see with a good 4" ED doublet. At four kilo (same as my Starwave) it's a nice compromise between weight and aperture size. I was talking to Bill Paolini on Astronomy Connect a few years back and he's always maintained 4" is his favourite refractor aperture size as it is the best combination of portability with performance. He did some experiments with a 6" triplet and aperture masks of 5" and 4". He reckoned the performance differences between 4" and 5" were negligible compared to the 6". The 6" obviously showing the most detail. But he reckoned there wasn't a huge difference between the 4" and 5" and the 4" was the better compromise, especially with considerations of weight and overall convenience. And of course, Messier used a 4" refractor lol.
    1 point
  24. New scope looks great, can't really go wrong with an Altair scope.
    1 point
  25. Just taking my first image of the night, Ha data on the Propeller nebula. This is after making a basic schoolboy error. I was ready to polar align with Sharpcap, connected my guidescope, then noticed no stars visible. I checked all cables and connections, couldn't see anything wrong, so restarted my machine. Only then did I notice I had forgotten to take the caps off my scopes. 不
    0 points
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