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steviemac500

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Everything posted by steviemac500

  1. Hi, nowhere near the standard in the recent post but here's my take on 101. As per the post below, I've opted to keep the blues muted but I couldn't get the galaxy back to the brightness i thought was appropriate after doing HDR multi scale to bring out the core, any tips? 6 hours in L, 2 each of RGB processed in PI. Thanks for looking. Steve
  2. This is my take on the two galaxies. Total of 20 hours, 10 in L and 3 each in RGB. I was really pleased to see the IFN do I've opted to leave in some noise so as not to damage it too much. I always find this a tricky target to get right when it comes to the core and easy to oversharpen and leave too grainy looking but I'm fairly pleased with the end result. I am wondering whether to go and gather some more data to bring out the IFN more - if you've seen Sara's shot you'll know what I mean! Comments welcomed as always. Steve https://astrob.in/bt6x0m/0/
  3. I've had another go at bringing the colours back to the blue more. https://astrob.in/0g6ubn/F/
  4. Here's my latest take on M51. Typical issue of not knowing when to stop and never being happy with the image..... I finally decided on this one with a slightly more muted colour scheme than previous my attempts. I struggled a lot with the background, probably due to shooting under moonlight for some of the subs. 100 x 300s in Lum, 40 each of 300s in RGB. Comments and criticism welcomed as always. Steve https://astrob.in/0g6ubn/E/
  5. I have the Baader 1.25” and have never experienced anything like this.
  6. Very pleased to end the year with my Rosette in this month’s Astronomy Now.
  7. Thank you everyone. I appreciate all your comments. Steve
  8. I remember taking my first NB shot of this in Ha when I first started out. I have been waiting a few years to try this in colour so here goes. I took 10 hours of 1200s exposures in each of Ha, S2 and O3. I did decon, MLT for noise reduction and then combined in PS and adjusted the colour balance too. I then added the Ha layer in again to get some detail back which I felt had been lost in the combination. Finally, I reduced the magenta stars, SCNR and colour saturation. I thought about extra sharpening but then decided that I liked the softer look. Hope you like it, c&cs welcomed
  9. Thanks everyone, I appreciate all the positive comments.
  10. This is my take on M42. It's an HDR image with a mixture of 300s and 10s in L and RGB. I also used 20mins and 10s in HA then used this to enhance the detail. Total of around 23 hours. Hope you like it! Hi res below. https://astrob.in/q734k5/0/
  11. I can never resist this target - one of the most beautiful in the sky. This my latest take on the Seven Sisters - total of 12 hrs, 6hrs of 300s in Lum and 2 each in RGB. Hi res link below. Hope you like it. https://astrob.in/ro1vs3/0/
  12. Thanks for the comments. I'm aware of the issues with the star alignment but it's only in one section of the mosaic. It's a simple fix by increasing the RNSAC tolerance - I just didn't take enough care first time round! When I add the HA I'll take a bit more care. What I am really interested in is people's thoughts on the final colour as I said above, there seems to be a conflict about blue or brown.
  13. Hi, I am interested as to people's thoughts on this. It's a 4 panel mosaic shot over several nights. Now, I know that most M31s are quite heavily blue but my data didn't have any in the galaxy but there is definitely blue in the image as its quite obvious in some of the stars. I read that in reality there are very few blue stars anyway and the more realistic colour is towards what I have here? I'm not 100% convinced but would be interested in what you think. Please ignore the pinched stars and the slight misalignment, I'm not quite finished and was going to add some HA in as well. Hi-res link
  14. Yep, I see it now, can't believe I missed it but in fairness you have to look pretty hard or be looking for something anyway to see that!! I never noticed it first time round and I don't think it detracts from the image if you're not looking too hard. At a loss to explain it though as APP normally is faultless. Don't ever hesitate to offer criticism though otherwise how do we learn and this will be something I will scrutinise more in the future, Still, AN have published it so I am going to remain happy with that!
  15. Thanks for all the support. The latest edition of Astronomy Now has published the image. Well chuffed!!
  16. Thanks Dave, the camera has been recently serviced so I’m not sure it’s that. It’s only on the bigger stars too.
  17. A friend of mine has asked why there are spikes on some of the stars. I’m assuming it’s something in the processing and my money is on deconvolution but I’m not sure. Any ideas?
  18. A widefield shot of the Crescent. This is a 6 panel mosaic consisting of 5hrs in Ha and O3 in each panel giving a total integration of 60hrs. The mosaic was constructed in APP and then processed in PI minimally with a little noise reduction and then colour combined with the standard mix. I added the Ha layer back in PS to bring back some of the detail. I have attached the Ha as I like it too!! Hope you like them, C & Cs welcomed as always! https://astrob.in/mcv66q/B/ Steve
  19. Thanks for the comment. Could you explain the procedure for adding the stars in with pixel maths please?
  20. This is my last image before heading back to the cloudy skies of Scotland for a few days. Biclolour rendition - 10hrs in each of O3 and Ha. I've tried to minimalise the processing this time and used my Ha as a final layer to add back in the detail. ****No stars were harmed in the production of this image!! @wimvb the Starnet++ module is very good. I tried it on this image and the results are excellent, it just didn't suit this picture. Thanks for looking. Steve
  21. Thanks Wim, I’ll have a look at the other file later. Your mask generation is very interesting, I don’t understand it, but it’s interesting. Why the 3x3 element, everything I’ve read has said to use a 5x5? Funny, I like starless nebula images but for some reason in Cyprus, no one else does! By the way, what language is that bottom line written in and where do you go to learn it?
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