gabs Posted October 14, 2021 Share Posted October 14, 2021 (edited) that is my first attempt using SiriL for staking and preprocessing imaging. The starts were removed using Starnet and add them back once I processed the galaxy itself these is a result of 30 no. 330 sec exposure with a DSLR and quadband clip filter. Comments are welcome , as usual. Edited October 14, 2021 by gabs 3 Quote Link to comment Share on other sites More sharing options...
AstronomyUkraine Posted October 14, 2021 Share Posted October 14, 2021 2 hours ago, gabs said: that is my first attempt using SiriL for staking and preprocessing imaging. The starts were removed using Starnet and add them back once I processed the galaxy itself these is a result of 30 no. 330 sec exposure with a DSLR and quadband clip filter. Comments are welcome , as usual. The galaxy is definately showing through, good job. Try to keep your colour noise down, I don't how to do that in Gimp, but I'm sure there will be some settings for it. 1 Quote Link to comment Share on other sites More sharing options...
gabs Posted October 14, 2021 Author Share Posted October 14, 2021 (edited) 16 minutes ago, AstronomyUkraine said: The galaxy is definately showing through, good job. Try to keep your colour noise down, I don't how to do that in Gimp, but I'm sure there will be some settings for it. Hi Brian, thanks for your comment. there is a RGB noise reduction filter which I used in the attached image, however it doesn't seem to improve a lot. I am happy with what I got anyway considering i have never used SiriL and it seems easier to preprocessing the images. I have also managed to take some exposure on the M39 open cluster bit boring target but full of stars 🙂 Edited October 14, 2021 by gabs 1 Quote Link to comment Share on other sites More sharing options...
AstronomyUkraine Posted October 14, 2021 Share Posted October 14, 2021 8 minutes ago, gabs said: Hi Brian, thanks for your comment. there is a RGB noise reduction filter which I used in the attached image, however it doesn't seem to improve a lot. I am happy with what I got anyway considering i have never used SiriL and it seems easier to preprocessing the images. I have also managed to take some exposure on the M39 open cluster bit boring target but full of stars 🙂 M39 looks good. Remove the gradient and it will look even better. 1 Quote Link to comment Share on other sites More sharing options...
gabs Posted October 14, 2021 Author Share Posted October 14, 2021 4 minutes ago, AstronomyUkraine said: M39 looks good. Remove the gradient and it will look even better. Thanks you! I will try again ! Quote Link to comment Share on other sites More sharing options...
Marmot Posted October 14, 2021 Share Posted October 14, 2021 Nice image Gabs👍 1 Quote Link to comment Share on other sites More sharing options...
gabs Posted October 14, 2021 Author Share Posted October 14, 2021 2 hours ago, Marmot said: Nice image Gabs👍 Thank you so much! Quote Link to comment Share on other sites More sharing options...
MarkAR Posted October 15, 2021 Share Posted October 15, 2021 Good effort Gabs, seeing the outer regions of M31 but it's quite grainy, almost as if it's been over sharpened. M39 looks good, not sure what the squiggly dark patch near the centre is. 1 Quote Link to comment Share on other sites More sharing options...
Carastro Posted October 15, 2021 Share Posted October 15, 2021 (edited) My how you have come on Gabs since purchasing your EQmount and getting to grips with guiding. That's a great result for someone at your early stage of imaging. There looks to be some sort of error with the flats at the top left of the galaxy. Carole Edited October 15, 2021 by Carastro 1 Quote Link to comment Share on other sites More sharing options...
gabs Posted October 15, 2021 Author Share Posted October 15, 2021 3 hours ago, Carastro said: My how you have come on Gabs since purchasing your EQmount and getting to grips with guiding. That's a great result for someone at your early stage of imaging. There looks to be some sort of error with the flats at the top left of the galaxy. Carole 8 hours ago, MarkAR said: Good effort Gabs, seeing the outer regions of M31 but it's quite grainy, almost as if it's been over sharpened. M39 looks good, not sure what the squiggly dark patch near the centre is. Thank you both ! yes definitely everything can be improve in both images but to my early stage I am happy to see these kind of result. I guess something not quite right happens with the calibration frames. I am thinking to get a light box to do proper flat frames I am using a laptop screen with white light on. so moving forward there should be an improvement! Quote Link to comment Share on other sites More sharing options...
AstronomyUkraine Posted October 15, 2021 Share Posted October 15, 2021 26 minutes ago, gabs said: Thank you both ! yes definitely everything can be improve in both images but to my early stage I am happy to see these kind of result. I guess something not quite right happens with the calibration frames. I am thinking to get a light box to do proper flat frames I am using a laptop screen with white light on. so moving forward there should be an improvement! You don't need to buy a dedicated light box, you can make your own very cheaply from an Led light panel like this one. https://www.amazon.co.uk/Entweg-Copyboard-Dimmable-Brightness-Painting/dp/B08HVCBMX8/ref=sr_1_1?dchild=1&keywords=led+tracing+panel&qid=1634323543&qsid=258-6985037-0409705&sr=8-1&sres=B08HVCBMX8%2CB07SB3CLHH%2CB08GPHLF77%2CB07SRZ4L44%2CB08M9HWW76%2CB08FSWXYTX%2CB08ZXXLWLK%2CB07NYPHX23%2CB08J7YH12B%2CB07B93R956%2CB08K4MVK1B%2CB086D7S75Q%2CB08HQ3PMMK%2CB0875WXDMF%2CB0748CY5CP%2CB07V7FC9KZ%2CB08TMRTD11%2CB0787V2GC1%2CB07GJBF4P3%2CB08K4MZF2K Here is mine made from a similar panel. 1 Quote Link to comment Share on other sites More sharing options...
gabs Posted October 15, 2021 Author Share Posted October 15, 2021 Just now, AstronomyUkraine said: You don't need to buy a dedicated light box, you can make your own very cheaply from an Led light panel like this one. https://www.amazon.co.uk/Entweg-Copyboard-Dimmable-Brightness-Painting/dp/B08HVCBMX8/ref=sr_1_1?dchild=1&keywords=led+tracing+panel&qid=1634323543&qsid=258-6985037-0409705&sr=8-1&sres=B08HVCBMX8%2CB07SB3CLHH%2CB08GPHLF77%2CB07SRZ4L44%2CB08M9HWW76%2CB08FSWXYTX%2CB08ZXXLWLK%2CB07NYPHX23%2CB08J7YH12B%2CB07B93R956%2CB08K4MVK1B%2CB086D7S75Q%2CB08HQ3PMMK%2CB0875WXDMF%2CB0748CY5CP%2CB07V7FC9KZ%2CB08TMRTD11%2CB0787V2GC1%2CB07GJBF4P3%2CB08K4MZF2K Here is mine made from a similar panel. That is cool! Very nice project . thanks for your advise 2 Quote Link to comment Share on other sites More sharing options...
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