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Found 7 results

  1. Hello all I just had a go at the cone nebula NGC 2264 on my unmodified Canon 550d and a Skywatcher 150pds I managed 31 subs and 20 darks. No flats! To come God willing. Anyone know what is sufficient for darks? I tend to stop at 20 but do not do bias as I hear from Craig Stark that it's not necessary if you do darks. Anyway here is my attempt. http://www.astrobin.com/full/287624/0/ Look forward to comments and any advice. Thanks Gerry
  2. Hello all I just had 2 sessions where I tried the horse head Nebula and also the Iris Nebula. I think the Iris needed longer exposures to get the darker detail but I'm not guiding. Let me know your thoughts. I was a little dissatisfied with Iris http://www.astrobin.com/full/274255/D/ http://www.astrobin.com/full/278508/0/ Cheers Gerry
  3. This is an image created from data I took almost a month ago. I didn't really intend to do anything with the data, as I was just testing the mount and different exposure lengths contra ISO settings. But a very long period of clouds, (I've literally not been out with the scope for a month) made me go back through some old files to see if there was anything I could fiddle with to fill the time. I found these and merged them together. 3 subs with a total integration time of 16 minutes (what an astounding amount of data!). One sub of 120 secs with ISO 6400. One sub of 360 secs ISO 1600 and one with 480 secs ISO 1600. No darks, bias or flats either. Just pure, raw, noisy data! But I am honestly pleased with what I could make of it, as I first off didn't even expect to get anything out of doing those images, and not knowing how easy pulling our details on this object was either. The Cocoon Nebula (IC 5146) 3 Subs (2 Min, 6 Min, 8 Min) Iso 6400 and 1600 16 Minute Integration Time Skywatcher 150pds Celestron Advanced VX Mount Nikon d5200 Explore Scientific Coma Corrector Baader Neodymium Filter Stacked and Processed in Photoshop CS2
  4. Hello all My first attempt. No guiding on a Skywatcher 150pds and Canon 550d. I wanted more frames but the moon was out and didn't set till late! Anyway there are only 6 frames of 180 with 9 darks. I haven't checked what others have done but please post yours too. http://www.astrobin.com/full/275591/0/ Let me know your thoughts and comments Gerry
  5. From the album: The-MathMog's Images

    Messier 64 (The Black Eye Galaxy) Skywatcher 150PDS Celestron AVX Mount Nikon D5200 ISO 800 26 subs, 8 mins 3 hours, 28 min total (over 2 nights as it only gets nautical dark here) Manually stacked and processed in Photoshop CS2 Dark frames used, but only 6 of them.
  6. You could call this my first proper attempt at andromeda, thought I've imaged it quite a few times now. But this is the first time I've managed to get most of it in one picture, which required me to do a two-pane mosaic. The left side of the mosaic is stitched 27 subs of 2 minutes ISO 3200, while the right side is 28 subs, + 1 sub of 8 minutes ISO 800 (just to test what difference exposure contra ISO does to details). I am very pleased with the result of it, but I also discovered some of the pains of doing mosaics, as getting an even background was very hard. Gradient X-terminator would do a decent job, but couldn't quite nail it, so I used it in conjunction with a few other techniques. The stitching was easy and painless, as I just used Microsoft ICE. Some feedback on the processing would be lovely, as I am not sure if this is my final version. I've starred myself blind processing it.. 2-pane mosaic 56 subs (ISO 3200 and 800) 2 minute exposure (+one 8 minute) 1.96 hours Total Exposure Skywatcher 150pds Celestron Advanced VX Mount Nikon D5200 Explore Scientific HR Coma Corrector 7235x5838 pixels Stacked with DSS, stitched with Microsoft ICE, processed in Photoshop CS2
  7. From the album: The-MathMog's Images

    2-pane mosaic 56 subs (ISO 3200 and 800) 2 minute exposure (+one 8 minute) Skywatcher 150pds Celestron Advanced VX Mount Nikon D5200 Explore Scientific HR Coma Corrector 7235x5838 pixels
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