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The veil Nebula, one of my favorites! I've previously captures this one, but felt i had a lot to improve. This is another attempt on capturing it and consist of a good mix of data captured over several nights. Finally i feel like i'm starting to get somewhere with this target! It's all captured with the QHY5L-II-M camera, unguided with a 50mm F/1.8 and a 135mm F/3.5 lens. Both are old manual Olympus OM lenses. Exposure: 10x 10 min OIII - 50mm F/1.8 (edit: F/2.8, not 1.8) 15x 10 min Ha - 50mm F/1.8 (edit: F/2.8, not 1.8) 4-part mosaic, total 254x 2 min Ha - 135mm F/3.5 Total exposure is 12 hours 38 minutes. Mainly it's Ha exposure though, and i'm looking forward to capturing more OIII as well at a longer focal length - but for now i'm really happy with the result!
Taken last night, using TS65EQ and Mono ASI 183mm pro. 15 x 300 Astrodon 3mm Ha 12 x 300 Astrodon 3mm OIII Mesu 200 Guide using ZWO OAG and Lodestar x2 with PHD2 SGPro Processed in Pixinsight . Output as HOO image. Thanks for looking
Hi guys Heres my very quick test ,as having limited time from the thunder clouds rolling in last night. I thought i would give 2x2 binning ago ! With a ed80 with reducer and a atik314 . Giving me a very intresting 5.22 resolution to play with. MAD you say ! The main reason for rushing this was to just get somthing to play with ! To be honest i wish i just went with the unbinned ,the resolution is abit of pig to deal with and is hard to pull out much detail , let alone trying to beat the square stars . + the framing could of been better But im not trying to beat myself down over this picture im actually quite pleased with it . But there is one big lesson for me . There is no substitue for time. HA 8x5mins 2x2 0111 8x5mins 2x2 , HA / red 0111 /green /blue . No flats bias or darks Statcked in PI and played about with in PS Thanks for looking Please feel free to add your critique Nick
How's going people? Long time since last post due to bright Swedish summer nights, gear-tuning and automation fiddling, but now I'm up & running again. I'm starting off the dark season with one of my favorite targets inside the cygnus loop, NGC 6992, east veil nebula. The subs where acquired during three moonlit nights, all subs unguided. (shooting other targets too, so subs are shot when the target is in the highest position in the sky, thanks to ACP automation) I've only used two filters for this image, Ha & O3 (both 5nm). I mixed the color close to Ha/O3/O3 as R/G/B , with slight different weights in G & B, to reach a more blue tone rather than cyan. Both Ha & O3 was used as luminance-data. I also created a "natural" star-color mix of the layers, with Ha / Ha+O3 / O3 as R/G/B and adjusted filterweights until I had a natural mix of yellow & blue (go Sweden!) stars, which was later applied as color-data with a star-mask on top of the image. The Subs (unguided): Ha : 19 x 600s / 190 minutes O3 : 12 x 600s / 120 minutes Total time: 310 minutes / 5.2 hours The Scope: Orion Optics AG12 Aperture: 12" Focal lenght: 1140mm Focal ratio: f/3.8 Imaging scale: 0.98" / pixel together with my QSI 583 The Mount: 10 Micron GM 2000 HPS All subs unguided The Camera: QSI 583 wsg (with 8-position filterwheel upgrade) Filters: Astrodon Click image for full resolution: It's been so much fun to see this object in the high resolution my setup produces, so many faint formations of nebulosity I've never seen before. I also recommend to have a peek at the following link, it's crazy how different the same object can look, imaged through different wavelengths: Click here to see the difference between the Ha & O3 at my homepage, with a "mouse-over" function that switches between the two Thanks a lot for watching Best Regards Jonas Grinde http://www.grinderphoto.se