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Horse head and Flame nebulas around Alnitak in Orion
rotatux posted a gallery image in Member's Album
From the album: Other (Narrow field, DSO, EQ)
My first relative success at this target. Some dust mites show because the mount had good tracking and I used no darks nor flats. With my camera the cure should be quite simply to power cycle off/on so that auto-cleaning moves the dust elsewhere. Capture: Olympus E-PL6 on Skywatcher 130PDS at 565mm/4.35 with SWCC and didymium filter on Omegon EQ-300 tracking RA Exposure: 12 × 60s × 2500iso Site: 50km from Paris (France), sky Bortle ~ 4 Processing: Regim 3.4, Fotoxx 12.01+© Fabien COUTANT
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The Horsehead , The Flame and Alnitak - HaO3RGB JanFeb2020
MarsG76 posted a gallery image in Member's Album
From the album: Deep Sky Imaging
I managed to get some time to process another of my images exposed in January/February 2020. This was the last image when my USB port on my Astro40D failed. This happened while imaging this scene but it happened toward the end of the imaging plan so I got almost the subs that I wanted. The total exposure time was 16 hours and 16 minutes in ISO1600 for all of the subs, RGB, (OSC through the UV/IR Cut filter), HAlpha and OIII. Imaged through my 8" SCT at f6.3, 1280mm FL.© Mariusz Goralski
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From the album: William Optics GT71 II
© (c) 2020 Garrick Walles
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From the album: Deep Sky III
An LRGB image with an Ha blend into the Lum and Red channels. Taking into account this was captured in non-ideal conditions (c25 degree elevation) due to tree obstructions and about 1hour visibility per night, I was quite impressed by the amount of detail which the narrowband subs generated.I normally take 30mins Ha subs but decided to reduce these to 10mins since I was uncertain how many usable subs I'd get due to the combination of the UK weather and the relatively short imaging window per night. In the end, it took 3 months to gather the data.....it is at times like this when I'm -
From the album: Deep Sky Imaging
This has been imaged through the NexStar 8SE on the CGEM mount. This was imaged in the native 2032mm focal length (F10) through a Baader UV/IR Cut and Halpha 7nm filters and recorded by my modded Canon 40D DSLR. I experimented with trying to capture some UV data through the Astrodon UV filter but it was a failure on the horsehead... I talked about it in another post, but I think that stacking the UV data into the rest pulled the stars back to white from the redness caused by the HAlpha data. I used PHD 2.6.4 to Autoguide for the first time and I have to say that I like PHD 2 a lot, h© Mariusz Goralski
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From the album: Deep Sky Imaging
This is a cropped image of the other Horsehead image which I imaged through the NexStar 8SE on the CGEM mount in the native 2032mm focal length and recorded by my modded Canon 40D DSLR. Total data amount was 75 used in this image... HII: 29 x 15 minute ISO1600 RGB: 13 x 10 minute and 25 x 5 minute ISO800 UV: 8 x 20 minute ISO3200 So total time spent on integration was 850 minutes© Mariusz Goralski
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From the album: Alt-Az / NoEQ DSO challenge
Try 2 at all nebulas around alnitak, from heavy light-polluted skies oh home around Paris but with UHC filter. Much better than try 1, thanks to number of subs, but still difficult to come, I suppose because of limited sensor depth. (or is it LP?). However some color is missing, had to use manual BV calibration in Regim to get something barely acceptable. Capture: 101 good of 123 lights x 25s x 2500iso, 30 NG darks, Olympus E-PM1 with Skywatcher 130PDS on Celestron Nexstar SLT, Skywatcher ComaCorr and TS-UHC filter. Processing: Regim, Fotoxx Date: 2017-01-21 Place: sub© Fabien COUTANT
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2016-09-08 orion ceinture et épée / orion belt and sword
rotatux posted a gallery image in Member's Album
From the album: Wide-field (not barn-door)
Orion Belt and Sword - M42 (Great Orion nebula), M43 (De Mairan nebula), NGC1977 (Running man nebula), NGC2024 (Flame nebula), IC434 (Horse head nebula) Capture: 24 lights x 60s x 2500iso, 8 darks, Olympus E-PM1 with Pentacon 135mm/2.8 (short) @4 on Omegon EQ-300 tracking RA, neodymium filter Processing: Regim 3.3, Fotoxx 12.01, Gimp 2.8 Date: 2016-09-08 Place: Deep country 26km from Limoges, France© Fabien COUTANT
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Hi, During the 3 clear nights in a row, I had last week, I could not resist giving the Horsehead Nebula a go, using my Vixen VC200L. Whilst imaging with my Canon 450D via APT, I could not make out the Horse's head whatsoever on my laptop screen, but I knew I was on target, because I could see NGC2023, at the bottom of my screen. Anyway I was pleasantly suprised with this result after processing through APP and tweaking in GIMP. Not the total failure I was expecting. Image Info:- Vixen VC200L Telescope Canon 450D camera unmodified ISO 1600 All I could do before fog ended t
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After being sick for what feels like an eternity, followed by two weeks of clouds and wind, i simply could not just let this night go as it was said to be yet another week or two with clouds on the way. With my main scope not quite ready for use yet, i quickly hooked up the QHY5L-II-M to a canon 50mm lens, attached a 7nm Ha filter, and started looking for a decent target. I didn't need to look long before i saw Orion, and then it was set! As the moon is currently 78% lit i must admit i was a bit worried, but i think the end result turned out OK, especially considering the relatively li
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Hello all, I'm starting a new thread for this since the hydrogen data is rather old and it has been reprocessed since I posted a while ago. Now I finished the acquisition of O[III] too. Or sort of, I planned more, but clear nights were so rare that I decided to process what I had. The image was done in "3 pass" data over the area. That means that I acquired 3 sets of images covering the same area and combined in the end. First 2 in hydrogen, the last in oxygen. First set consisted of 3 panels in portrait mode for the top area and then I wanted to extend them to the bottom s
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I've wanted to image the Horsehead Nebula from my obsey for quite a time but nearby trees have blocked my view. Determined that I would accomplish this in 2018, after a bit of tree pruning in late 2017, I managed to get a theoretical c1 hour per night visibility, albeit at quite a low elevation of c25 degrees. Not ideal, but better than nothing. Since I wasn't quite sure how much of an hour I'd get due to weather and moonlight conditions, I decided to reduce my Ha subs from my normal 1800s to 600s. Since some of the stars in my FoV are quite bright, I also cut my LRGB sub duration from 6
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This is the Ha (15x 30 mins with the Chroma 3nm) to go with the LRGB data I used here: I haven't managed to satisfactorily incorporate it yet, I think because it's a lot stronger than the RGB and it reddens the image too much (and overwhelms a lot of the brown dust which I want to preserve). Ideally I'd increase the amount of LRGB data substantially to help with this but it's too late for that now this year; guess I'll have to work on my processing skills a bit more. Will also try to rework the stars in (L)RGB to tame them somewhat. Paul
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Field around the Horsehead Nebula bordering up to the edge of M42. I wanted to try to bring out some dust below the Ha region but ran out of time to deal better with the crazier stars. First time I've processed the Horsehead without any Ha data added (will have a go now I've done the LRGB only version for this competition). L 42x5min, R 16x5min, G 16x5min, B 25x5min, taken in December 2017 and January/February 2018 with a Takahashi E-130D on Avalon Linear mount with Moravian G3-16200 mono CCD. Processed in Pixinisght. Hope you enjoy! Paul
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Hello all! I acquired yesterday the third hydrogen panel of this area. I might add 2 more below, in landscape. We shall see how the weather plays. 2.5h each panel in 300s subs at unity gain. And some 30s exposures for the core. Camera is ASI1600MMC on the Canon 300 F4 L lens, cooled to -15C. And first successful try with the Astro Pixel Processor, though, the stacks were made with DSS. I just purchased APP and I didn't restack them. I'm not sure if I should add more hydrogen data or move to oxygen and then LRGB. I still have time to decide until Feb-March. More details: http://w
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It turns out I can not acquire more data until this challenge ends. I present you therefore what I have until now. It's a 5 panels mosaic in Hydrogen alpha. 3 panels in portrait mode, at the top. And 2 in landscape mode, at the bottom. Each panel is made by 30-31 subs of 300s and for the Orion nebula core I have a few 15s subs. All subs are taken with the ZWO ASI 1600 MMC, cooled to -15C, and 139gain. The lens is a Canon 300 F4 L with a lot of distortions caused by the IS element. Compared to the images I was taking on other targets until Orion rose enough, the focus was good since t -
While waiting for the ASI1600MMC, I'm still playing with the ASI120MM. As I don't have a clear view to the South, I can only see Orion less than 2 hours/day and I can use the mount only in AZ mode. All in all, here is the result of ~1000 7nm Ha exposures of 15s, 70/100 gain captured with FireCapture over 3 nights. Lens: CZ 135 F/3.5 wide open. I could use the smaller stars taken with the 300mm lens, but it's not a great result so I'm not sure I'll bother. Clear skies, Alex
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My first horse head no guiding!
Gerry Casa Christiana posted a topic in Getting Started With Imaging
Hello all This is my first attempt at the horse head nebula with no guiding and only a Canon 550d taken last night! http://www.astrobin.com/full/274255/B/ I have only done a little processing on it but I'm pleased! Any thoughts or questions welcome. Kind Regards Gerry- 10 replies
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Yesterday evening was clear and I just bought a Canon 300 F4 L sh a week ago. Didn't want to take out all the heavy mount, power supplies, camera, etc. and it would even have been impossible perhaps to set it up in time. So I took the EQ5 with RA tracking (powered from an USB power bank), the lens and the Canon 550D. Went somewhere outside, the galaxy was just visible, but much, much better than city lights. Had a look before at Venus and at Orion's nebula with the 100 F5 achro then I put the camera. I also recently bought a polar scope for the EQ5 and it was the first time when I aligned a/th
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Another image from Southern France, around 5 hours of data. I left out the Ha data as this looks more natural.
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Yet another Horsehead (sorry). Imaged on the 20th using my ED120 and Modded 1200d with UHC-E Astronomik filter - 27 subs of 300 secs at 800 iso. Stacked with Bias and flats. Dithered so darks not added. Tried adding darks but it got noisey. Comments and suggestions welcomed as usual and thanks for looking. Peter
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Ok, now we´re talking Another batch of 36x300 secs frames out of the oven, this was captured in two consecutive nights with little moon impact so better contrast then my previous M42 image, also the callibration seem to be spot on as I can't detect any gradients or poorly calibrated residual glows, happy happy Good to know there's still ample room for improvement as this is just over 3 hours so will add at least the double integration time, let's see what it brings. Setup is the same: -SW ED80 with Altair Astro 0.8X reducer (f/6) -QHY163M -Baader 7 nm filte
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Evening all - decided to finally publish this been returning to on and off for a while and decided not much more i can do with it. Widefield RGB stars are a struggle still for me, wont be getting any HA for a while which i could have used to better control so decided it's time to jump in as is! It comprises of some relatively short LRGB taken on a wide-field Rokinon 135 - I then created a composite luminance layer from scratch featuring the Rokinon and FSQ data for each object. Totalling about 34 hours of exposure. I blended the composite lum with the Rokinon RGB and then reinforced thi
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I've been processing this image for quite a long now. I started acquiring data the last season when I only managed to shoot 3 panels with the Canon 6D through the Esprit 80 for a total of ~7h. This season I restarted and I added more data and covered a wider area. So a mix of portrait and landscape panels were planned and shot with the same scope and camera. Now every pixel represents at least 3-4h of integration, some have more. All the above were shot from Bortle 2-3 sites where I traveled sometimes even for an hour of exposure. To the RGB data I added 17.5h of Ha, same s
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Hello Astronomers, I managed to get some time to process another of my images exposed in January/February. This was the last image when my USB port on my Astro40D failed. This happened while imaging this scene but it happened toward the end of the imaging plan so I got almost the subs that I wanted. The total exposure time was 16 hours and 16 minutes in ISO1600 for all of the subs, RGB, (OSC through the UV/IR Cut filter), HAlpha and OIII. Imaged through my 8" SCT at f6.3, 1280mm FL on the CGEM mount. Clear Skies, MG
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