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Decided to take the plunge and replace my (very) old Fullerscopes 8.5" f6 Newtonian by a 12" Quattro (which at f4 has much the same focal length as the Fullerscopes). Turns out that I can't get anything much bigger in the observatory, so although an f5 12" would have been easier on coma etc, it would probably have hit the walls! It arrived in two parts - one box for the OTA (large enough to hide a person in) with secondary attached and one smaller one for the primary mirror (in its cell) and a pack of springs and screws. Seems I got the last one in OVL's warehouse, and it went 'missi
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From the album: DSO
Eastern Veil - first light with my new (second-hand) QHY8L - and my first ever colour image. Taken on 21 Sep, 2017 @ 23:15 ~ 24:00 QHY8L camera @ -5 C Quattro 8" with CC Avalon M-Uno mount 10 x 5 minutes, guided & dithered (with PHD2 / Nebulosity) FLATS, BIAS, Bad pixel map, de-Bayer, and a bit of stretching and saturation (also in Nebulosity.) It's somewhat cropped since the CC spacing was a bit wrong. -
messier 8 The Lagoon Nebula ( Messier 8, NGC 6523 ) in Sagittarius
MikeODay posted a gallery image in Member's Album
From the album: Mike's Images
The Lagoon Nebula ( Messier 8, NGC 6523 ) in the constellation Sagittarius - by Mike O'Day ( https://500px.com/mikeoday ) The Laboon Nebula ( M8 ) is visible to the naked eye under dark skies from most latitudes except the far north. Seemingly covering an area about three times that of the full Moon, M8 actually covers an area somewhat greater than 110 light years and is around 4300 light years from Earth in the Sagittarius-Carina spiral arm of the Milkyway galaxy. Links: https://500px.com/MikeODay http://photo.net/photos/MikeODay Details: Messier 8, NGC 6523 - L© Copyright Mike O'Day 2016 - all rights reserved
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Skywatcher Quattro 10in f4 and AZ EQ6 mount on 12in pier
MikeODay posted a gallery image in Member's Album
From the album: Mike's Images
© Copyright Mike O'Day 2014 - all rights reserved
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From the album: Mike's Images
© Copyright Mike O'Day 2014 - all rights reserved
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From the album: Mike's Images
© Copyright Mike O'Day 2014 - all rights reserved
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From the album: Mike's Images
© Copyright Mike O'Day 2014 - all rights reserved
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The Rosette Nebula and Cluster ( NGC 2237 and 2244 ) in the constellation Monoceros edit: updated 30th Dec with improved colour balance and slightly increased brightness ... ...... original: ( please click / tap on image to see larger and sharper ) Still a work-in-progress really... with only 10 x 4min exposures for the main 'lights' before the clouds came over. I will try to add some more data when the moon has gone I am still experimenting with how to get the best out of the D7500. With the very warm nights ( low to mid 20s all night ) the
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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:- 21 replies
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omega centauri A deeper look at Omega Centauri ( NGC 5139 )
MikeODay posted a topic in Imaging - Deep Sky
Update 16th June: I could not wait to tell people that I was just notified that my image of Omega Centauri will be published as a future NASA's Astronomy Picture of the Day ( APOD ) - my first ever I will update the thread when they publish. ................................. A deep look at Omega Centauri ( NGC 5139 ) This image is an attempt to look deeply into the the Omega Centauri globular cluster by using HDR techniques to record as many faint stars as I can whilst retaining colour and detail in the bright stars, including at the core ... .............- 40 replies
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The Great Barred Spiral Galaxy ( NGC 1365 ) in the constellation Fornax edit: new version with new long exposure data ( 52 x 240sec ) and better dark subtraction / dithering to remove streaks in the noise and amp glow. This also allowed for a greater stretch revealing more faint data in the galaxy and small faint fuzzies in the image .. The Great Barred Spiral Galaxy ( NGC 1365 ) in Fornax ( please click / tap to see larger ) and below I have added a 100% crop of new version: ........ original image: NGC 1365 ( please click / tap on image to se
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Well it was a good night, weather-wise, last night (12-Nov-2017) in this part of Oxfordshire. Cool (3 degrees) but amazingly dry, really (85%.) And so, for once, everything wasn't covered in dew by the end of the night. After an earlier debacle with coma-corrector spacing, I've shaved off a further 0.5mm to try and tweak it a bit better, but I've also (for my sins) started a trial period with PI. I've so far eschewed this box of tools in favour of simpler, and some home-grown, things. But I'm interested in finding out more about what so many people use... even if only to understand th
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Still not entirely happy with this one - I ran out of time to get a set of longer exposures during the short period I had with Pleiades high enough above the Northern horizon ( 30 deg peak altitude from my location ) and since then the weather and moon have conspired against me! Description: Pleides in the Taurus Constellation ( Messier 45 ) by Mike O'Day ( 500px.com/MikeODay ) Pleides ( aka The Seven Sisters ) is visible to the naked eye low in the northen skies in the early summer of the Southern Hemisphere. It is bright open cluster of hundreds of blue stars in clouds of nebulosity that
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This is a re-processed version of an old capture of mine taken last year when I was a two day old baby astrophotographer. Back then I was only just learing how to polar align my scope on its tripod and auto-guiding was a distant goal. This is a stack of 15 x 30sec images from my unmodified Nikon D300 ( I now use an unmodified D5300 as it is lighter and causes less flex in the focuser ). Description: The Jewel Box Cluster in the Crux Constellation ( NGC 4755 ) by Mike O'Day ( 500px.com/MikeODay ) Viewed through a telsecope, John Herschel described the Jewel Box Cluster as "a casket of varioul
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Omega Nebula in Sagittarius ( Messier 17, NGC 6618 ). Visible to the naked eye the Omega Nebula, also known as the Swan, Horseshoe or Lobster Nebula, M17 is in the Milkyway and is aound 4200 light years distance from Earth Links: 500px.com/MikeODay photo.net/photos/MikeODay Details: RA 18h 22m, Dec -16deg 10'. Skywatcher Quattro 10" f4 Newtonian. Skywatcher AZ Eq6 GT Mount Orion Short Tube 80mm guide scope and auto guider - PHD2. Baader MPCC Mark 3 Coma Corrector, UHC-S 'nebula' filter. Nikon D5300 (unmodified). Field of view (deg) ~ 1.35 x 0.90. 37 x 100 sec ISO800. Pixinsight & Photos
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Nebulae and Clusters in the North East quadrant of the Small Magellanic Cloud ( Tucana Constellation ) ( NGC 292, 299, 306, 330, 346, 411, 416, 422 ) by Mike O'Day ( 500px.com/MikeODay ) The Small Magellanic Cloud (SMC) is a small spiral galaxy about 7000 light years in diamater and is one of our near neighbours. At 'only' around 200,000 light years distance, it shines brightly in the southern sky and is clearly visible to the naked eye even in moderately ligh polluted skies. Links: 500px.com/MikeODay photo.net/photos/MikeODay Details: This image ~ RA 1h 2m, Dec -72deg 2'. Skywatcher Quattro
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My first attempt at processing the subs I took last night. Not totally happy yet - next time I process it I think I need to boost the red in the mid tones somewhat to try to compensate for the filter in my standard Nikon D5300. Details: Rosette Nebula in Monoceros ( NGC 2237, 2238, 2239, 2244, 2246 ) by Mike O'Day ( 500px.com/MikeODay ). The Rosette Nebula surrounds a cluster of bright young stars (NGC 2244) and is around 5,200 light years from Earth. Links: https://500px.com/MikeODay http://photo.net/photos/MikeODay This image ~ RA 6h 31m, Dec 5deg 2'. Skywatcher Quattro 10" f4 Newtonia
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I struggled to try to significantly reduce the quite apparent noise without losing too much detail in the clouds. In the end I decided to keep the detail ( and the noise ). Details: Orion's Belt - centred on "Alnitak". A 1.7 magnitute tripple star at one end of the belt. Includes the Flame Nebula (NGC2024) and IC434 which contains the Horsehead Nebula. RA 16h 41m 42s, Dec -48deg 48' 46". Approx. 3800 light years away. Skywatcher Quattro 10" f4 Newtonian. Skywatcher AZ Eq6 GT Mount (on concrete pier). Orion 80mm f5 guide scope and auto guider - PHD2. Baader MPCC Mark 3 Coma Corrector, no fi
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Reprocessed: The difference is fairly subtle unless one sees this version and the original together... Details: Rosette Nebula in Monoceros ( NGC 2237, 2238, 2239, 2244, 2246 ) by Mike O'Day ( 500px.com/MikeODay ). The Rosette Nebula surrounds a cluster of bright young stars (NGC 2244) and is around 5,200 light years from Earth. Links: https://500px.com/MikeODay http://photo.net/photos/MikeODay This image ~ RA 6h 31m, Dec 5deg 2'. Skywatcher Quattro 10" f4 Newtonian. Skywatcher AZ Eq6 GT Mount. Orion Short Tube 80mm guide scope & auto guider - PHD2. Baader MPCC Mark 3 Coma Corr
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Orion's Belt - centered on "Alnitak", a 1.7 magnitute triple star at one end of the belt. Includes the Flame Nebula (NGC2024) and IC434 which contains the Horsehead Nebula. Links: 500px.com/mikeoday photo.net/photos/MikeODay Details: Skywatcher Quattro 10" f4 Newtonian. Skywatcher AZ Eq6 GT Mount Orion 80mm f5 guide scope and auto guider - PHD2. Baader MPCC Mark 3 Coma Corrector, UHC-S 'nebula' filter. Nikon D5300 (unmodified). Field of view (deg) ~ 1.35 x 0.90. UHC-S - 19 x 2min ISO400 (12bit NEF, Long Exp. NR on). taken 5 October 14 reprocessed with Pixinsight and Photoshop 6 Sept 15
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My latest image. NGC 6357 in Scorpius Skywatcher Quattro 10" f4 Newtonian. Skywatcher AZ Eq6 GT Mount Orion 80mm f5 guide scope and auto guider - PHD2. Baader MPCC Mark 3 Coma Corrector, UHC-S 'nebula' filter. Nikon D5300 (unmodified). Field of view (deg) ~ 1.35 x 0.90. UHC-S - 100 x 100 sec ISO800 (14bit NEF, Long Exp. NR on). Pixinsight and photoshop
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The Silver Coin Galaxy ( NGC 253 ) in the Sculptor constellation - updated. 24th March 2017: New version that was reprocessed ( again ) to improve colour balance ... original version below ( colours are a little too yellow ) ( click on image to see full size ) The Silver Coin Galaxy ( NGC 253 ) in the Sculptor constellation ( aka the Silver Dollar or Sculptor Galaxy ). Caroline Herschel in 1783 was the first to recordthis bright ‘nebula’ in an area of the southern sky that Nicolas de Lacaille had called the “Apparatus Sculptoris” or “t
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nebula The Great Nebula in Orion ( Messier 42, NGC 1976 )
MikeODay posted a topic in Imaging - Deep Sky
The Great Nebula in Orion ( Messier 42, NGC 1976 ) ( tap on image to see larger ) Scrapbook page ... Details: The Great Orion Nebula (Messier 42, Messier 43, NGC 1976 ) in the Orion Constellation RA 5 36 15, DEC -5 26 31 ( 2016.9 ) Skywatcher Quattro 10" f4 Newtonian telescope Skywatcher AZ Eq6 GT Mount Orion Short Tube 80mm guide scope & auto guider - PHD2 Baader MPCC Mark 3 Coma Corrector & no filter Nikon D5300 (unmodified) Field of view (deg) < ~ 1.35 x 0.90 long exp noise reduction on 45 x 120 sec ISO 4 -
starscape A Cluster of Pearls in Centaurus ( NGC 3766 )
MikeODay posted a topic in Imaging - Deep Sky
The Pearl Cluster in Centaurus ( NGC 3766 ) - re-processed version ( clouded in for days now so I've been looking back through my old images and seeing if I can improve them ) The Pearl Cluster is an open cluster of mostly young blue stars approximately 5500 light years from Earth that is only visible from the Southern Hemisphere and shimmers like a cluster of pearls. ( Tap / click here to see my scrapbook page for the Pearl Cluster ) Details: NGC 3766 - RA 11h 37m, Dec -61deg 41' Skywatcher Quattro 10" f4 Newtonian telescope Skywatcher AZ Eq6 -
The Southern Beehive Cluster ( NGC 2516 ) in the constellation Carina re-processed ( improved colour balance, more colour in the smaller stars and lower saturation overall ): previous version: ( click on image to see larger ) Because of its similarity M44, NGC 2516, which is only visible from lower latitudes, has become known as the Southern Beehive Cluster. At a distance of around 1300 light years, NGC 2516 is relatively close to us and resides in the same spiral arm of the Milkyway as we do. Containing around 100 stars, with a number o
