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Found 112 results

  1. Aenima

    M33 2nd Try

    From the album: The next step.

    I wanted to try again on this for a while now, a gap in the clouds recently gave me the chance although it was literally twenty minutes: 19 x 60sec subs with calibration frames taken indoors. Quite surprised with the image for such a short exposure time.

    © Aenima

  2. Hi guys, I'm new here. So i have heard from this source: http://www.thescinewsreporter.com/2019/06/in-august-andromeda-galaxy-will-move.html?m=1 that the galaxy andromeda will be visible to the naked eye and look bigger than the moon. They said that it will happen in August, but didn't specify a day. Does anyone know anything about this? Or about how i kann see it? Thanks in advance and sorry if my grammar is bad
  3. Hello, This is my first astrophotography with my own scope (and first light for this scope). I've always been fascinated with this galaxy, and it was my childhood dream to capture it. It finally happened ;-) You'll find all the technical details on the description on flickr. Overall it's the first light of my skywatcher Quattro 250mm/1000mm f4, NEQ6, with an unmodded Canon 6D. Integration time: 1h59 Processed with PixInsight. link to flickr for the full resolution and description:
  4. The Great Barred Spiral Galaxy ( NGC 1365 ) in the Constellation Fornax ………………………. ( edit - star chart added ) The Great Barred Spiral Galaxy ( NGC 1365 ) - Chart ( please click/tap on image see larger and sharper version ) A full size ( 6200 x 4407px ) image can be downloaded from here. ………………………. Details: Below the equator, not seen from much of the Northern hemisphere, NGC 1365 passes very nearly directly overhead an observer situated near Cape Town, as Sir John Herschel was in November of 1837 when he discovered this “remarkable nebula” that is numbered 2552 in his book of observations from the Cape. Not called a “nebula” now, of course, this striking object is one of the nearest and most studied examples of a barred spiral ( SB ) galaxy that also has an active galactic nuclei resulting in its designation as a Seyfert galaxy. At around 60 M light years from Earth, NGC 1365 is still seen to occupy a relatively large area ( 12 by 6 arc minutes ) due to its great size; at some 200,000 light years or so across, NGC 1365 is nearly twice as wide as the Milky Way and considerably wider than both the Sculptor and Andromeda galaxies. This High Dynamic Range ( HDR ) image is built up from multiple exposures ranging from 4 to 240 seconds with the aim of capturing the faint detail in the spiral arms of the galaxy whilst also retaining colour in the brightest star ( the orange-red 7th magnitude giant, HD 22425 ). Also, scattered throughout the image, and somewhat more difficult to see, are numerous and far more distant galaxies. ................. Identification: The Great Barred Spiral Galaxy New General Catalogue - NGC 1365 General Catalogue - GC 731 John Herschel ( Cape of Good Hope ) # 2552 - Nov 28, 29 1837 Principal Galaxy Catlogue - PCG 13179 ESO 358-17 IRAS 03317-3618 RA (2000.0) 3h 33m 37.2 s DEC (2000.0) -36 deg 8' 36.5" 10th magnitude Seyfert-type galaxy in the Fornaux cluster of galaxies 200 Kly diameter 60 Mly distance .................. Capture Details: Telescope: Orion Optics CT12 Newtonian ( mirror 300mm, fl 1200mm, f4 ). Corrector: ASA 2" Coma Corrector Quattro 1.175x. Effective Focal Length / Aperture : 1375mm f4.7 Mount: Skywatcher EQ8 Guiding: TSOAG9 Off-Axis-Guider, Starlight Xpress Lodestar X2, PHD2 Camera: Nikon D5300 (unmodified) (sensor 23.5 x 15.6mm, 6016x4016 3.9um pixels) Location: Blue Mountains, Australia Moderate light pollution ( pale green zone on darksitefinder.com map ) Capture ( 3, 7 & 8 Dec 2018 ) 7 sets of sub-images with exposure duration for each set doubling ( 4s to 240s ) all at unity gain ( ISO 250). 140 x 240s + 10 each @ 4s to 120s total around 9.7 hrs Processing ( Pixinsight ) Calibration: master bias, master flat , master dark Integration in 7 sets HDR combination Links: 500px.com/MikeODay photo.net/photos/MikeODay <a href="http://www.flickr.com/photos/mike-oday">www.flickr.com/photos/mike-oday</a> Image Plate Solution =================================== Resolution ........ 0.586 arcsec/px ( full size image ) Rotation .......... -0.003 deg ( North is up ) Field of view ..... 58' 37" x 38' 55" Image center ...... RA: 03 33 36 Dec: -36 08 27 ===================================
  5. Took this photo of the Markarian's Chain during my visit to Namibia in April 2017. Photo Details: 8 x 10Min Lum channel. 15 Min for each RGB channel Telescope: ASA 12'' F3.6 Mount: ASA DDM85 Camera: FLI8300 Mono with Astrodon filters Thanks for watching, Haim Huli
  6. Spiral Galaxy NGC 6744 in Pavo NGC 6744 is a Milky Way like barred spiral galaxy in the constellation Pavo. Visible only from lower latitudes, the light we see now left this galaxy around 25 million years ago. NGC 6744 in Pavo ( please click / tap on image to see larger and sharper ) Capture Details: North is up. Telescope: Orion Optics CT12 Newtonian ( mirror 300mm, fl 1200mm, f4 ). Corrector: ASA 2" Coma Corrector Quattro 1.175x. Effective Focal Length / Aperture : 1400mm f4.7. Mount: Skywatcher EQ8. Guiding: TSOAG9 Off-Axis-Guider, Starlight Xpress Lodestar X2, PHD2 . Camera: Nikon D5300 (unmodified) (sensor 23.5 x 15.6mm, 6016x4016 3.9um pixels). Location: Blue Mountains, Australia Moderate light pollution ( pale green zone on darksitefinder.com map ). Capture ( 16, 17, 19 Sept. 2017 ). 9 sets of sub-images with exposure duration for each set doubling ( 1s to 240s ) all at ISO800. 85 x 240s + 5 each @ 1s to 120s. Processing ( Pixinsight - 5-17 Nov 2017 ). Calibration: master bias, master flat and no darks. Integration in 9 sets. HDR combination PhotometricColorCalibration Arcsinh stretch ( function written by Mark Shelley ) Image Plate Solver - NGC 6744 - Sept 17, 2017 =================================== Resolution ........ 0.586 arcsec/px ( full size image ) Rotation ............ 0.001 deg. Focal ................. 1372.24 mm. Pixel size ........ ..3.90 um. Field of view ..... 58' 30.3" x 38' 59.0". Image center ...... RA: 19 09 46.591 Dec: -63 51 13.44 ==================================
  7. The Southern Pinwheel Galaxy ( Messier 83, NGC 5236 ) in the constellation Hydra. ( click on image to see fuill size ) Messier 83 is a relatively large and bright spiral galaxy visible from southern and mid latitudes. Clearly visible is the central bar with its bright central bulge as well as multiple dark dust lanes and areas of nebulosity in the sweeping arms. At a distance of 15 Million light years, the Southern Pinwheel Galaxy, whilst close in astronomical terms, is too far away and hence way too small for my backyard telescope to resolve individual stars; so all of the stars that can be seen are in fact in the near foreground of the image and reside, like us, in the Milkyway Galaxy. Much harder to see are the many far more distant galaxies that look like tiny fuzzy stars in the image. The easiest of which are PGC 724536 and PGC 48132 that appear close together in the centre of the image just to the right of Messier 83. Both are edge on and look like tiny flying saucers. Details: Skywatcher Quattro 10" f4 Newtonian. Skywatcher AZ Eq6 GT Mount Orion 80mm f5 guide scope and auto guider - PHD2 software. Nikon D5300 (unmodified) Hutech IDAS D1 filter, 14bit NEF, Long Exp. NR on. 25 June 2016. 17 x 4min ISO400 Pixinsight and photoshop. Links: https://500px.com/mikeoday http://photo.net/photos/MikeODay
  8. M81 taken throught the mak Newtonian skywatcher (MN190), 24 X 4 mins exposures. No filters just mono. Camera was the Atik 314L +
  9. Nearby spiral galaxy NGC 4945 in the constellation Centaurus by Mike O'Day ( 500px.com/MikeODay ) ( Still a work in progress really; 10 subs is not really enough for this 9th mag galaxy from my medium polluted skies. These were taken in the last minutes of the wee hours before dawn after I had finished taking subs of comet 252P/LINEAR and I have not had a chance to take any more as it has been cloudy ever since. ) NGC 4945 in the constellation Centaurus is a large spiral galaxy about the size of the Milkyway and around 13 million light years from Earth. It is shown here nearly edge-on and is accompanied in the image by a number of far more distant galaxies; the brightest of which is the 10th magnitude elliptical galaxy NGC 4976 (centre left of the image) which is around 30 million light years away. Links: https://500px.com/MikeODay http://photo.net/photos/MikeODay Details: centre of image: RA 13h 06m, Dec -49 deg 32' (nova.astrometry.net) Skywatcher Quattro 10" f4 Newtonian Skywatcher AZ Eq6 GT Mount Guiding: Orion Shortube 80 guidescope, Starshoot Autoguider, PHD2 Baader MPCC Mark 3 Coma Corrector Hutech IDAS D1 light pollution filter Nikon D5300 (unmodified) Long exposure noise reduction on Field of view (min) ~ 79.6 x 53 Downsampled image scale ~ 4.4" per pixel Stack of 10 x 200sec images @ ISO400 Pixinsight
  10. Galaxy Centaurus A ( NGC 5128 ) in the southern constellation Centaurus ( please click / tap on image to see full size ) ............ Updated again - to try to bring out more faint detail ... ............ Updated images ... ............. Originals ... ( 100% crop ) Centaurus A is relatively near to us in the local group of galaxies and is around 11 Million light years away. The unusual shape of Centaurus A is believed to be due to an ancient collision between a large elliptical galaxy and a much smaller spiral galaxy. With an apparent magnitude of +6.8, Centaurus A is the fifth brightest galaxy in the night sky and in the middle of the 20th century it was identified as being the strongest radio source in the Centaurus constellation. Details: Galaxy - Centaurus A ( NGC 5128 ) Image ( Nova.astrometry.net ): Center (RA, hms): 13h 25m 28.924s Center (Dec, dms): -43° 01' 25.486" Size: 60.5 x 41.1 arcmin Orientation: Up is -89.9 degrees E of N Telescope: Orion Optics CT12 Newtonian ( mirror 300mm, fl 1200mm, f4 ). Corrector: ASA 2" Coma Corrector Quattro 1.175x. Effective Focal Length / Aperture : 1410mm f4.7 Mount: Skywatcher AZ Eq6 GT Guiding: TSOAG9 Off-Axis-Guider, Starlight Xpress Lodestar X2, PHD2 Camera: Nikon D5300 (unmodified) (sensor 23.5 x 15.6mm, 6016x4016 3.9um pixels) Format: 14bit NEF Long exposure noise reduction: off Filter: none Calibration: No darks, just master bias and master flat HDR combination of eight sets of exposures (27, 28 & 29 April 2017): 85 x 240 sec ISO 800 16 x 120 sec ISO 800 16 x 60 sec ISO 800 16 x 30 sec ISO 800 16 x 15 sec ISO 800 16 x 8 sec ISO 800 16 x 4 sec ISO 800 16 x 2 sec ISO 800 Pixinsight May 2017 Links: 500px.com/MikeODay photo.net/photos/MikeODay www.flickr.com/photos/mike-oday
  11. Galaxy 2MASX J05314916-6721339 in Dorado in the region of the Large Magellanic Cloud ( LMC ) and not far ( in angular terms ) from NGC 2004 and NGC 2011. From Simbad: 2MASX J05314916-6721339 "Galaxy in a group of galaxies" - Type: Sa D ( Spiral ) ( J2000: 5h 31m 49.16s -67d 21' 33.92" ) ( http://simbad.u-strasbg.fr/simbad/sim-id?Ident=%403123415&Name=2MASX J05314916-6721339&submit=submit ) ( other id: IRAS Faint Source Catalog - IRAS F05319-6723 ) It can be found in the vicinity of NGC 2004 and NGC 2011 -------------- Crops taken from full frame image: Dragons Head Nebula and NGC 2014 in the Large Magellanic Cloud ( LMC ) ( not far from the Tarantula Nebula - NGC 2070 ) - NGC 2004 - NGC 2011 - NGC 2014 - NGC 2020 - NGC 2021 - NGC 2030 - NGC 2032 - NGC 2035 - NGC 2040
  12. I have been generally pleased with my Moravian camera and filter wheel. However, I noticed I was getting some very odd results when trying to calculate filter offsets for my autofocus routine. I found that the wheel was not rotating to the filter requested - indeed it seemed random. Of course it was not random .... I have a 10 position filter wheel. However, it seemed that the Moravian Ascom driver was convinced I had a 12 position wheel. To get the Moravian wheel correctly configured, you have to run a configuration program. It tells you to do this in the manual. I just hadn't read the manual. As you can imagine, this led to erratic results. If I shot filters in sequence, things would go OK. However, if I tried to go back to a filter I had shot before then it would not work. Now, I shoot the flats from my 7 filters all in one go, BUT I test out the required exposure times first which means a cycle through all 7. So when I come to shoot the actual flats, I am shooting through the wrong filter or (sometimes) through no filter at all. I was never all that happy with the M31 I did back in early December 2016. There seemed an odd gradient on the left side of the image: https://stargazerslounge.com/topic/282827-m31-revisit/ So, having got the wheel correctly configured, I redid the flats and recalibrated the data. Lo and behold, the bright patch on the left disappeared. Data: Baader Blue 36 mm: 16x300" Baader Green 36 mm: 16x300" Baader Luminance 36 mm: 61x300" Baader Red 36 mm: 16x300" Chroma Ha 3nm: 6x1200"
  13. More from my freshly modded nikon D5100, i think im falling in love with this camera M31 - Andromeda by Gareth Harding, on Flickr M31 - Andromeda Scope: Orion Optics VX6 with 1/10 PV upgraded optics Guide Scope: Skywatcher ST80 Guide Cam: QHY 5 Mono Mount: Skywatcher HQE5 Camera: Nikon D5100 Modded Exposure: 11x5 Minute Subs, Darks, Bias & Flats Technical: 750mm f/5 Software: DSS, Pixinsight, PHD, Nebulosity
  14. Mrs WaveSoarer and I are just back from a lovely week on St Agnes, The Isles of Scilly, where we had a week of beautiful sunny weather and clear night-time skies. We had to wait for a few days after full moon to really benefit from the great conditions you can get there. We were even treated to a great display of noctilucent clouds. A pair of binoculars is a must have item to pack. Anyway, back home and with a clear night in prospect, I set up the scope just as Polaris popped in to view so that I could get polar aligned. As it was still fairly bright, even just after 11 pm, I viewed Saturn for while. This, as ever, looks spectacular and I got good views at 300x even with the scope still cooling. I then went for a hunt to find the edge-on galaxy NGC 5746. This is quite an easy star hop from the naked eye star 109 Vir, which is conveniently, for the time being anyway, on a line half way between Saturn and Arcturus. After a bit of checking between the finder, the main scope and Stellarium I settled on where the galaxy should be. I didn't see anything that I could say for sure was the galaxy with my 15 mm EP. I wasn't overly surprised to be honest as it was always going to be a bit of an ask. I do have a "thng" about galaxies so I couldn't resist trying. I set up my DSLR, anyway, and focused up using my Bahtinov mask on 109Vir. Sure enough, a 120 s sub did indeed show the galaxy right where I expected it to be. I then spent about an hour and a half doing some imaging while I enjoyed the clear skies with my binculars. It was reasonably transparent most of the time though occasionally bright stars had a hint of a halo due to thin passing cloud. By about half twelve the Milky Way was just about visible and I could sweep down from Cygnus, through the Wild Duck Cluster, and down to the Eagle Nebula and the Omega Nebula (the neighbour's roof prevented me getting any lower). With the imaging finished, I took the camera off and popped the 15 mm EP back in. The galaxy was then just about visible with a bit of averted vision - though it appeared as nothing more than a fleeting linear smudge. I think it wil be well worth revisiting this galaxy in the spring when the sky is darker and it's higher up. I rounded off the evening by viewing M10 and M12, which were tricky to locate in the finder though they were fairly straightforward to find using my binoculars, and the spectacular Wild Duck Cluster. The latter looked incredible on a full range of magnification, even up to 300 x. The dark band through the centre was very obvious. A great night though packing up at 2 am is a bit late for me.
  15. I set up the telescope to observe Jupiter for the first time in a while and, while I waited for it to clear our walnut tree (or at least the thickest of its branches), I had a look for the galaxy NGC 404 - the Ghost of Mirach. I thought that at least it would be an easy star hop if the background light from the moon was too bright to see the galaxy. Mirach was bright and very orange and I could see the Mag 8.55 star next to it very easily (along with the diffraction spikes from Mirach itself). With this mag 8.55 star at about 8 o'clock to Mirach then there was a faint smudge at about the 11 o'clock position. I was surprised I could see anything to be honest given how bright the moon was. It was visible with my 15 mm EP and also with my 5 mm EP - the latter really helped with the contrast. I later had a look for M1 and this was also not too dificult to spot with the 15 mm EP, though the glare and ghosting from the inside of the OTA made it trickier to be sure until I was right on it. I must take the scope out more when the moon is up as I usually don't expect to see any faint DSOs. Jupiter and the moon were also pretty spectacular. I must remember to use my moon filter though as my right eye was a bit overwhelmed.
  16. Tarantula Nebula ( NGC 2070 ) in the Large Magellanic Cloud ( LMC ) Re-processed to tweak colour balance and bring out a little more faint detail: New version: Original: ( click/tap on image to see full size - the above compressed version looks a little soft; the full size version is sharper ) The Tarantula Nebula ( NGC 2070 ) is the largest and brightest emission nebula in the nearby irregular galaxy, the Large Magellanic Cloud ( LMC ). At a distance of 160,000 light years away from us, the Tarantula Nebula is so bright that it would cast shadows on the Earth if were as close to us as the Orion Nebula in our galaxy. First image with new telescope and autoguider/setup. Links: 500px.com/MikeODay photo.net/photos/MikeODay Details: Nebulae: NGC 2070 Tarantula Nebula NGC 2048 NGC 2060 NGC 2077. Open clusters: NGC 2042 NGC 2044 NGC 2050 NGC 2055 NGC 2091 NGC 2093 NGC 2100 Image centre RA 5h 38m 57.3s, Dec -69deg 20' 36.6" (nova.astrometry.net) Field of view (arcmin): 58.7 x 39.2 Scale (full size image) 0.585 arcsec/pixel. Telescope: Orion Optics CT12 Newtonian ( mirror 300mm, FL1200mm, f4 ) Corrector: ASA 2" Coma Corrector Quattro 1.175x Effective Focal Length / Aperture ): 1410mm f4.7. Mount: Skywatcher AZ Eq6 GT Guiding: TSOAG9 Off-Axis-Guider, Starlight Xpress Lodestar X2, PHD2 Camera: Nikon D5300 (unmodified) (sensor 23.5 x 15.6mm, 6016x4016 3.9um pixels) Filter: none Exposures: 14 x 240 sec ISO400 12 x 120 sec ISO400 10 x 60 sec ISO400 11 x 60 sec ISO200 10 x 60 sec ISO100 10 x 30 sec ISO100 Pixinsight & Photoshop 20 December 2016
  17. The Triangulum Galaxy, or Messier 33, is a spiral galaxy in the constellation Triangulum, and is visible to the naked eye under dark sky conditions. Unfortunately, deep sky objects like this are not visible to the unaided eye here in the Coachella Valley due to city light pollution. I was able to capture this on 9-30-16 during the new moon phase, and am very happy with how it turned out. I was able to get up to 240s lights with the wedge, and I could have gone longer that night. Definitely a first for the wedge and I lol we go back and forth 3 hours total exposure time 37x150s lights 12x180s lights 13x240s lights 68 darks 40 bias 38 flats Equipment: Celestron Nexstar 6se + wedge 6.3 focal reducer canon 450d asi120mc-s guiding http://coachella-astronomy-astrophotography.blogspot.com/2016/10/triangulum-galaxy-m33-backyard.html
  18. According to t'Internet, NGC 2403 is an intermediate spiral galaxy in Camelopardalis ('Giraffe' seems much easier to say). It is opined to be 50,000 light years in diameter and some 8 million light years distant. This is data from the Tak 106/QSI 683 rig at Deep Sky West in New Mexico. Filters are Astrodon. Processing PI and PS. Data captured between 20 April and 26 May 2017: Lum: 15 x 900s Red: 17 x 900s Green: 16 x 900s Blue: 20 x 900s Total: 17 hours
  19. Astrophotography Scrapbook Vol. 1 Cover Page Lagoon Nebula in Sagittarius ( Messier 8, NGC 6523 ) The Fighting Dragons of Ara ( NGC 6188 ) War and Peace in Scorpius ( NGC 6357 ) Spiral Galaxy NGC 6744 in Pavo Ptolemy's Cluster in Scorpius ( Messier 7, NGC 6475 ) A Million Stars in the Deep South ( NGC 104, 47 Tucanae ) A Wishing Well in Carina ( NGC 3532 ) A Beehive in the Southern Sky ( NGC 2516 ) The Sliver Coin in Sculptor ( NGC 253 ) The Great Nebula in Orion ( Messier 42, NGC 1976 ) A Cluster of Pearls in Centaurus ( NGC 3766 ) - new 5 Dec resources: Scrapbook Template ------------------------------------- When I show my astrophotography images to my friends and family they invariably want to know what they are looking at. This led me to wonder if there was a way I could display my images on a single page together with a few notes on the target object as well as few technical details of the capture for those who might be interested. What I came up with a "scrapbook" like page that combines all of these three elements in a single PDF sheet ( or jpeg image) that ultimately I might combine together to form a PDF book that I can share online or send to friends and family. In the meantime, I thought I might post in this thread each page of my work-in-progress towards volume 1 of my Astrophotography Scrapbook. Any and all comments, observations, suggestions and constructive criticisms will be warmly received. Cheers Mike ps. The pages have been sized to fit full screen on an IPAD
  20. Hello everyone, So, I come back with a nice galaxy that we don't see often in the astronomy forums. This week-end, I was ready to do some shots on nebula and I installed already the reducer but when I was ready, It was too late to have a shots on my target so I decided to change and to do some shots on this galaxy that is interesting target concerning the polar ring. I was lasy to remove my reducer and to install again the flattener so I was afraid to get small target view but it is ok. Concerning the exposure time, I have done 15 x 600s + 18 x 300s in Luminance (without guiding) : I hope you will like it. Franck
  21. CKemu

    Galactic Core

    From the album: Astro Collection

    Took this 30 second exposure up in Cape Tribulation, Australia - makes me wish I lived in Australia!
  22. From the album: Badgers - Astrophotos

    Canon 40D DSLR

    © Anton Enright 2012

  23. From the album: Deep Sky Objects

    M31 Andromeda Galaxy (Our next door neighbour). Strange to think that at some point it will collide with the Miilky Way. Taken with a full moon and low in the sky with loads of light pollution hence the bright bottom right had corner. There are also another galaxies M110 (top right) and M32(bottom middle). I only took it in monochrome as time did not permit for full colour. I need to collect a lot more data to get a better image. Hopefully higher in the sky. The astrobin link for this is: http://www.astrobin.com/237037/
  24. From the album: DSOs

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