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Found 13 results

  1. Ewan

    M82 The Cigar Galaxy

    From the album: My Images

    I will have a better go at this when i get an Atik, soon i hope :-)
  2. Hey guys So with no new data at hand (or on the horizon it would seem) i decided to go back and re-process my short stack of M81 & M82, being the glutton for punishment that i am! The last time i re-processed this was about a year ago, so i was curious to see if i could get any more out of it. It's hideously low on data (nothing new there!), this is just 9 x 600s of colour (with an IDAS-D1) together with 7 x 1200s of Ha (which i only used to Lighten the Reds in the Ha jets of M82 and the small spiral regions of M81). AstroPixelProcessor used for stacking and gradient reduction, and PS for everything else. I mistakenly shot the colour at ISO 800, instead of the usual 200 i always use. A mistake i imagine every DSLR user has made before! And i have to say i really noticed it during processing. There was noticeably less colour in the stars. That being said, i was still able to bring out more colour in the core of M81 this time. And i think M82 looks a bit better as well, it was definitely over-sharpened before. I really love these targets, but they just make me wish i had more reach! CS! Here is the original thread: And here's the new one, including a cropped version:
  3. spaceman_spiff

    M81 and M82

    From the album: Photos from Bury

    M81 and M82 (Bodes nebula and the Cigar galaxy). This is a more stretched image with a darker background. Hardware details: Camera: Nikon D200 Telescope: SW Evostar 120 with Baader contrast booster. Mount: AZ-EQ6 guided using a ST80 synguider. Image details: Lights: 32 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 08/01/2016 Conditions: Very clear sky with no cloud. Seeing was good, wind was causing problems with the final 10 subs. Cold and dry.

    © DH Elijah

  4. After the deluge of yesterday, it was actually quite a pleasant day here in Oxfordshire and I was in high-hopes for this evening. It did get a bit cloudier as the day wore on but there were sufficient gaps to encourage me to get the scope set up. I was determined to view M81 and M82 for the first time and I had planned a star-hop from a survey of the region with my SW finder hand-held a few weeks ago. After a trickier star hop than I'd hoped, as most of the target stars I was planning to use were behind our house, I managed to picked out the general region in the finder. Just a hint of a pair of smudges of light were also visible. I used my 20 mm EP and I found that I'd managed to centre up on M81 straight off. After some tweaking of RA and DEC I found M82 and had both objects comfortably in the field of view. I switched on the dual axis controller and I then started the scope tracking. Mrs WaveSoarer and I then got the Nikon SLR set up, which seemed to be a magnet for a large expanse of thin cloud. I was very frustrated, particularly as the view through the EP was quite something. The clouds eventually cleared and I managed to rattle off a few light subs and darks. The breeze wasn't the best for imaging as I noticed later when I started viewing Jupiter with my 5 mm EP. The seeing was good but the breeze vibrated the OTA fairly frequently. I must say that I was astonished by the level of detail that could be seen on this pair of galaxies. Both objects were an awful lot brighter than I was expecting them to be. Very satisfying and well worth returning to, again and again, and spending a lot of time just soaking in the view. I expect that they will take some additional magnification to pull out extra detail. I also had the chance to try out my new pair of 10 X 50 binoculars, thanks Mrs WaveSoarer, for their first light. I was absolutely thrilled and they provide a significantly better view than I used to get by using my SW finder scope hand-held. I viewed Jupiter first of all and it was easy to pick out the four moons, which I find very difficult with the finder unless it's attached to the scope and stable. A great start. I then star-hopped to M33, The Triangulum galaxy, and this was very obvious - though just as a faint grey smudge. It was then on to M31, The Andromeda Galaxy, which was its usual delightful self, though it was straight overhead which made it difficult to view from a standing position. I then revisited M81 and M82 and it was just about possible to see them both with averted vision. A promising first use of the Opticron binoculars and I'll look forward to using them at home and on our travels. They are light, which suits Mrs WaveSoarer, have a rubber coating that makes them both easy to grip and relatively water tight.
  5. Another from the archives, don't think I ever posted this one here. Taken at the time of the last supernova (SN2014J) which is visible in the picture. C11 edge at f7, with Atik 460 OSC camera, plus several hours of accumulated Ha data gathered through various scopes. I have tried very long (3 hour) Ha exposures on M82, just to see how much of the ejecta can be reasonable captured from a light polluted city. Not certain 3 hours made much difference over 90 minute exposures. Edit: Just check, Have posted this before, as a small preview awaiting finishing....hmm, I need faster turn around, 2 years is a bit silly
  6. After being away from my telescope for weeks and inactive on this site for over a year, I was quite enthusiastic in finding the new supernova in M82 that some have already mentioned on this forum. It would not only be the first time I witness a recent supernova but it would also be my first glimpse of the Cigar Galaxy. I did the necessary collimation and headed outside. Since the weather network had called for a windchill warning of -43, I dressed for the occasion. Unfortunately, I was ill-prepared to also face a wall of humidity (81%). Now, upon a recent look at the forecast, the warning called for blowing snow. I guess the Cigar Galaxy will be for another day. I have a 10" Dobsonian, I'm assuming that it won't be too tricky to find right? Until then, I thought that this song would be quite fitting... http://www.youtube.com/watch?v=hMr3KtYUCcI Isabelle
  7. M81 and M82 are two targets I love coming back to every year as each attempt yields more detail. This time, using the f/5 150mm Newtonian with its shorter focal length, the galaxies came out better than ever. It was a lovely clear night for imaging with good seeing and low humidity so a perfect time to see what this scope can really do. 77 x 75 second exposures at 400 ISO (1 hour and 36 minutes total integration time) 29 x dark frames 79 x flat frames 21 x bias/offset frames (subtracted from flat frames only) Captured with APT Guided with PHD2 Processed in Nebulosity, Maxim DL, and Photoshop Equipment: Sky-Watcher Explorer-150PDS Skywatcher EQ5 Mount Orion 50mm Mini Guide Scope ZWO ASI120 MC imaging and guiding camera Canon 700D DSLR
  8. spaceman_spiff

    M81 and M82

    From the album: Photos from Bury

    M81 and M82 (Bodes nebula and the Cigar galaxy). This is a less stretched image. Hardware details: Camera: Nikon D200 Telescope: SW Evostar 120 with Baader contrast booster. Mount: AZ-EQ6 guided using a ST80 synguider. Image details: Lights: 32 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 08/01/2016 Conditions: Very clear sky with no cloud. Seeing was good, wind was causing problems with the final 10 subs. Cold and dry.

    © DH Elijah

  9. From the album: SW 150PDS - DSLR 600D / Atik Titan/Atik 314L1+/Atik Infinity

    SW200PDS Atik Inifinity Preprocessed in AstroArt and Startools and processed in Photoshop

    © B G Wadham

  10. Hey guys We had a couple of clear night over the weekend (finally!) so i decided to put the man-flu to one side and get back to imaging. I mostly went for the Rosette Nebula (still a WIP for now) but once it passed behind the neighbour's house i was starved of any other Ha targets. The big, bright moon was well up at this stage, but the skies were crystal clear so it seemed like such a waste not to use them. So, i decided to go for M81 & M82, seeing as they were well positioned, and just hoped that shooting galaxies under a bright moon wouldn't be anywhere near as bad as shooting nebulae in RGB under the same conditions. Due to the lateness of the night, and my own health limitations, all i could manage was 140 mins of Ha on the 1st night, and 90 mins of RGB on the 2nd night. I made a boo-boo on night 2, and captured at ISO 800 instead of 200, which resulted in most of the stars being blown-out (i really, really hate how SGP is obsessed with ISO 800. why won't it let me set a default?!). The Ha data wasn't really of much use if i'm being honest. The OSC data picked up the Ha portions of M81 just fine, so it was just the jets in M82 where it only really added something, although i do think it was worth it in the end. Here's the capture details: 9x 600s RGB (2" IDAS-D1) 7 x 1200s Ha (2" 7nm Baader) 30 Flats, 50 Bias, dithered aggressively every frame Stacked in APP, Processed in PS (i used the Ha data for the Red channel in the RGB image). SW80ED, HEQ5-Pro. It's obviously light on exposure, i would ideally have liked at least 3 hrs of RGB, but beggars can't be choosers i suppose, so i'm calling this one done and moving on I haven't done much RGB or galaxy imaging, so C&C welcome as always guys.
  11. Just a quick report on tonight's observation . Got an AZ GOTO mount on Monday and have the 130p mounted on it ... to be honest , I was worried about getting it set up right , but after a look around SGL found the information on coordinates that were needed and it works 100% . 3 new Messier and NGC targets were found tonight , well , 4 if you add NGC7000 , but it was too faint to count as a catch - it looked like a very faint cluster . The big catches tonight were in the Ursa Major region : Bode's Galaxy M81 and the Cigar Galaxy M82 . Both were well defined and bright , even in the 5 inch reflector and I was very happy to see them for the first time . Up to now M57 was my favourite DSO , now it's joint favourite with Bode's Galaxy . NGC7635 Bubble Nebula was also a first and added to the list tonight . Several other targets , e.g. Pinwheel Galaxy , in Ursa Major region were attempted tonight but with no luck - maybe darker Winter skies will give better results with these .
  12. Toxophilus

    M82 - Cigar Galaxy

    From the album: Deep Sky Objects

    Messier 82 - Cigar Galaxy A starburst galaxy about 12 million light-years away in the constellation Ursa Major. Taken on an evening with a lot of light pollution, wind and cloud. Given the conditions I'm amazed at how well it came out. I only intended to do some auto guiding practice as conditions were so bad, but I decided to have a go at a target anyway. It looks like that practice has paid off. I had to throw a low of images away due to the wind, even some of the ones that I kept were a little suspect. For more information the AstroBin link is: http://www.astrobin.com/243091/
  13. I like returning to these targets regularly because on every attempt I manage to bring out a little more of M81 (which is absolutely vast and should fill nearly a quarter of the frame). I guess the trick is to keep adding more data. This image comprises of data from February 18th and March 25th 2015. 28 x 30 Second exposures at 3200 ISO plus 43 x 30 second exposures at 6400 ISO with 19 dark frames and 16 flat frames.
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