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Found 9 results

  1. All Just had an hour with the 12x50 bins following AN magazines November binocular sky feature. Basicly a hunt for M's 36, 37 and 38. Found them fairly quickly Starting from Alnath to HIP25291. Just on the edge of the fov was M36 a sharpish fuzzie. Once located both M37 and M38 could both be located on the edge of fov above and below M36, both appearing as less distinct faint fuzzies. For all 3 M's i had to use averted vision Pleased as punch with that hour and 3 more M's chalked off and my first chance to scan Auriga. I also passed many rich star fields that i havent identified due to the initial hunt for M's
  2. Hi folks, Another reprocess of old data (from last December) to see if my skills have improved. Here's one which includes the Flaming Star nebula, rather deeper than my previous effort: Flaming Star - includes M36, M37, M38, IC 405, IC 410 and IC 417 The full sized 4096 pixel square version is available here (6 MB download) - beware, horrors may await the avid pixel peeper! The challenges for this one were to separate out the faint Ha from some residual sensor noise and to decide how many stars were enough - there were a lot more in the RGB subs. At the image scale offered by the 165mm focal length lens the reflection nebulosity was difficult to extract. I decided where it was by doing a blink comparison of the 1000 second blue stack with the full RGB image (the version with all the stars plus some nebulosity) and then it was a matter of isolating it from the bright stars that were illuminating it. It was added to the Photoshop stack of Ha (no stars) plus RGB (just stars) and the final challenge was deciding how strongly to show it - the reflection nebulosity should certainly be weaker but then it risks geting lost in the artificially strong Ha signal. Something that I didn't find in the original processing of the data last year is the "sugar cage" just creeping in at the bottom of the image at about six-thirty. Has anyone got a shot of the full object? Bob. Shooting Information: 8 x 1000 seconds exposures of Ha 5 x 200 seconds through each of Red, Green and Blue 3 x 1000 seconds through the Blue filter for reflection nebulosity Camera: FLI ML16803 cooled to -25°C. Lens: 165mm focal length f/2.8 Pentax medium format Pointing at: 5h 25m, +34° 30'
  3. I debated posting this in the deep sky section but figured I'd go for widefield as it is indeed rather widefield... Only a limited number of subs captured during a clear spell at the recent Kielder Star Party - here's a chunk of Auriga with the Flame Nebula at the top and M38 at the bottom left with a variety of other objects in between. It's a work in progress in that as soon as I can get a lot more subs I'll do so to really try and pull out the nebulosity in it...it'll take a while for me to identify all the objects (there's something at the top left that I'm curious about). Captured using a modified Canon 650D through a Borg 55 f/3.6 scope (focal length 200mm). I used one of their new QRO filters, the HEUIBII version, an upgrade to the 'standard' IDAS which has a filter cell designed to minimise reflections which I'd had on some of my earlier images - I think it's worked well!! I'm desperate to capture more subs for this one as I think there's promise in there, there's a considerable amount of nebulosity across a big part of the field of view but there's only seven subs in there, 5 from Kielder and 2 from home, 200 seconds each. I've used Pixinsight to process and have very slightly clipped the black end during processing to try and control the noise that more subs will deal with... James
  4. From the album: Photos from Bury

    My Second image of 2016 showing M38 (the Starfish cluster) and NGC 1907. I have added extra subs to the previous attempt. Hardware details: Camera: Nikon D200 Telescope: SW Evostar 120 with Baader contrast booster. Mount: AZ-EQ6 guided using a ST80 synguider. Image details: Lights: 28 x 3min at ISO 800 Darks: 30 x 3min at ISO 800 Lights and darks separated by 1 min intervals Flats: 30 x 1/40s at ISO 800 Bias: 30 x 1/8000 at ISO 100 Date of capture 14/01/2016 Conditions: Very clear sky with no cloud. Seeing was good, the guiding was quite stable. Cold and dry.

    © DH Elijah

  5. rotatux

    20171125 m38 starfish

    From the album: Alt-Az / NoEQ DSO challenge

    M38 - The starfish cluster Initially taken as a check to see what I could have from Paris' suburbs heavy LP skies for a star cluster, considering that kind of object should be easier than nebula or galaxies in that kind of sky. Turned OK but I still have difficulty recognizing the starfish shape when zoomed in, I need to zoom out quite a lot for the shape to become obvious. Gear: Olympus E-PL6 on Skywatcher 130PDS 632mm/4.86 at F/4.55 with SW Coma corrector and Didymium filter on Celestron Nexstar SLT. Capture: 12 lights x 20s x 1600iso, master bias and (synthetic) flat. Software: Regim 3.4, Fotoxx 12.01+ Site: 20km from Paris France; Clear sky, relatively good seeing, SQM 16..17

    © Fabien COUTANT

  6. M38 - starfish open cluster , also NGC1907 multiple 90s exposures at Iso 800. total exposure time approx 29 mins. Taken on 19/04/18 from my back garden in Birmingham Darks and flats applied. Stacked with DSS, processed in Pixinsight and startools - as I still have no idea what i'm doing with PixInsight haha Telescope: SW ED80 DS pro Mount: HEQ5 pro - rowan modded Camera : Canon 200D - CLS filter
  7. spaceman_spiff

    M38 Jpg

    From the album: Photos from Bury

    My first image of 2016 showing M38 (the Starfish cluster) and NGC 1907! Hardware details: Camera: Nikon D200 Telescope: SW Evostar 120 with Baader contrast booster. Mount: AZ-EQ6 guided using a ST80 synguider. Image details: Lights: 8 x 3min at ISO 800 Darks: 30 x 3min at ISO 800 Flats: 30 x 1/40s at ISO 800 Bias: 30 x 1/8000 at ISO 100 Date of capture 08/01/2016 Conditions: Overall clear sky with some patchy cloud (interrupting my auto guiding!). Damp, seeing was good IMO.

    © D Elijah

  8. rory

    auriga clusters .

    after seeing mikes sketches,it spurred me on to get some more sketching done. i tried m36 and m38 at x100. i gave m37 a miss for now, as it has so many stars within ,it would need a good while to sketch. also a brief sketch of m78.
  9. I did a quick (7 subs) image of the region around the Flaming Star Nebula and posted it... ... but I knew a few more subs would really help. I managed to get some over the last couple of nights. Both nights were a little murky but they were largely clear so I shouldn't complain.. This is a great region of the sky with loads of Ha objects, clusters, odd bits of nebulosity and so on and doing a slightly more widefield image allows me to capture more than one type of image at a time (value for money and all that!). Using a modified Canon 650D through a Borg 55FL f/3.6 scope and an IDAS HEUIBB filter, 30x 200 secs (guided) here's a reworked version as there's so many objects in there I thought I'd put an annotated copy in there two (manually - can't figure out the Pixinsight way to do it...). It's not perfect... there's artefacts in there caused by me stacking (and keeping) some subs that were taken at an angle to the rest..a practiced eye should be able to see that Actually, an unpractised eye probably can too I really must learn how to put pictures up here that don't get brutally jpeggerised... Oops - nearly forgot - does anyone know what the object at the top left is..? (The little red smudge...)
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