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About David_L

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  1. I've been really impressed with the responses to this post. Everyone has responded with great enthusiasm but most importantly good advice....and they've done it calmly without descending into an OSC/Mono slugfest LOL! Should serve as a great post for others in the future to help them make up their mind. I'm sure the moderators will be along shortly to move the other off topic discussions to a more suitable location :-) Great work all! David
  2. I hope you find the advice you need among the wide range of subjects discussed in this post :-) I imaged with an OSC (QHY8) for about 5 years and found it extremely easy to use, process (colour balance was easy to fix), and my OSC shots are still my best RGB images to date :-) My decision to go for an OSC in the first place was based on our sky conditions. The need for extended periods of clear in a night or worse, hoping for 2 or 3 nights of periodic clear skies is what I have found so tiring about mono - but the results are undoubtedly better with Ha, Oiii and Sii - (and one day with LRGB no doubt once I get enough clear skies to finish a good image) So my advice would be to go for an OSC without a doubt - it was less hassle and took less time than my experience so far with mono LRGB imaging. Hope that helps :-) David
  3. Excellent that you grabbed an image - what night did you manage to capture this? I left on Sunday - when I got home my blood ran cold when I saw the radar looked like it was clear over Kelling that night! LOL! David
  4. Looking forward to this years Spring event - I'll be on pitch Red 311 - mostly observing with a C8 SCT and the Sun with a Lunt50THa, but there are a couple of planets to image too :-) David
  5. Made a quick unprocessed gif - not sure if it will work on here?
  6. Sound advice LOL! I've captured the 14 frames to make a gif - it happened once with the moon too - I'll post both gifs on my blog later (don't think I can upload gifs here) David
  7. Processing my images from today and noticed this A320 out of Heathrow/Gatwick :-)
  8. I only just saw your comparison images above - and my un-calibrated lights look exactly the same using the ASI1600MM :-) I have the ZWO filters as well - so having seen your examples I'd say regardless of what the flat looks like - its doing the job :-) David
  9. I have the ASI1600MM and I use a Gerg Neumann light panel Completely easy to use, runs on 12v - no hassle and constant steady luminance makes capturing flats a breeze. Is your telescope at the same focus as when you took your lights in the image above? It almost looks like its out of focus as there aren't any dust motes. Good luck with the ASI1600MM - I go for around 23k adu on mine - they work great. David
  10. OopS! I linked to the wrong link in my comment above (I've changed it now) - I meant to link to my post here :-)
  11. Sound advice and I'll take it :-) Looks like it will be clear tonight so more lrgb it is - thanks for the "steer" in the right direction :-)
  12. Excellent work! This is yet another outstanding addition to the amazing portfolio of pictures taken with the ASI1600MM - and particularly as you did this unguided. If I was a 10 Micron owner and had just coughed up thousands for a mount I think I'd be in therapy LOL! I haven't tried my ASI1600MM with really short subs, I've kept them around 5min but tonight I'm going to re-shoot the Leo Triplet in 60 second subs having turned off the guide camera :-) and see what happens. Again, outstanding processing and results! David
  13. Thanks guys! Looks like another clear night tonight - thought I might try to grab some Ha on this - I wonder if it will have any impact?
  14. Nailed it :-) Fantastic target well processed. I was wondering about the ha as well so thought I'd capture some last night (skies were amazing here) but, alas, a number of bottles of lager, a visit from my daughter and a warm living room and music got in the way. :-) Really like your processing on M66 David
  15. I hope you all have been able to take advantage of the last few clear, if a bit murky nights :-) I did, and after reminding myself how to use my equipment (by aligning on a random star I thought was Regulus and spending an hour switching on/off again LOLOL) ........I managed to get some "ok" images of the the Leo Triplet - an object I've always liked for its eerie looking galaxies, their foggy arms hiding some sinister alien civilization, plotting their course for the Milky This is the first time I've imaged this object with my mono camera (ASI1600MM) I always thought mono imaging was going to be such a pain having to wait numerous nights before I got enough data - but it really piles up fast once you get going doesn't it!? Fantastic - 3.4hrs in two nights - smooth. Here's my contribution - no need to critique - I know they're pretty much poop compared to most I've seen on here - the skies weren't great, and its the best I could do LOL Details Object name Leo Triplet Object ID M65, M66 and NGC 3628 Date(s) 21 and 24 March, 2017 Telescope Altair 115mm Camera ASI1600MM Luminance 8x5 min / 30x2 min / 1.6 hrs Red 7x5 min / 35 min Green 6x5 min / 30 min Blue 8x5 min / 40 min Ha 0 Oiii 0 Sii 0 Total time 3.4 hours Frames 0 Processing PixInsight / fully calibrated lights / Levels / Curves / SCNR only Notes The skies were not outstanding on either night of imaging this object. I am surprised at how good it turned out considering this. There is an awful lot of vignetting on the luminance subs which was improved by reducing the exposure time from 300 to 120 seconds. Alignment of the mount was problematic each night – because I kept aligning on the wrong star! Really must remember that when looking for a 1.4 magnitude star you WILL know it when it appears in on the screen – brighter than anything else besides another <1.4 magnitude star! :-)