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Sweetman Astrophoto

@sweetmanastrophoto.com
628 followers 291 following 112 posts

Sharing my astrophotography(mostly) and my process too sweetmanastrophoto.com www.instagram.com/5minuteastrophoto www.youtube.com/@Sweetman_astro

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Sweetman Astrophoto @sweetmanastrophoto.com · 02/10/2026
My latest image.... #astrophotography sweetmanastrophoto.com/ic-5146-the-...
sweetmanastrophoto.com
The Cocoon Nebula: A Stellar Nursery in Cygnus
I captured the Cocoon Nebula to reveal its rich star-forming structure, intricate dark dust lanes, and vibrant emission clouds, while sharing the story and techniques behind creating the image.
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Sweetman Astrophoto @sweetmanastrophoto.com · 09/09/2026
My latest photo #astrophotography sweetmanastrophoto.com/2026/09/08/t...
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The Iris Nebula (NGC 7023)
The Iris Nebula is a reflection nebula located in the Constellation of Cepheus. A reflection nebula is a cloud of gas and dust that is illuminated or excited by a nearby stars. It was first discove…
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Sweetman Astrophoto @sweetmanastrophoto.com · 08/08/2026
Finally got a chance to do some quick work with the SeeStarS50. About 1 hour of exposure on M 20, post processed in PixInsight.
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Sweetman Astrophoto @sweetmanastrophoto.com · 23/06/2026
sweetmanastrophoto.com/2026/06/22/m... #astrophotography
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M13 – The Great Cluster in Hercules
Shown above is my second attempt at imaging M13, the Great Hercules Cluster. I decided to revisit it because both my skills and equipment have improved significantly since my first attempt, and I k…
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Sweetman Astrophoto @sweetmanastrophoto.com · 12/06/2026
I spent some time this past spring refining my galaxy workflow, here's the writeup. sweetmanastrophoto.com/osc-one-shot... #astrophotography
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OSC (One-Shot Color) Galaxy Workflow
This year I’ve really leaned into “galaxy season,” and in the process I’ve rethought my entire approach to processing OSC galaxy data. I found myself moving away from some of the more elaborate wor…
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Sweetman Astrophoto @sweetmanastrophoto.com · 12/05/2026
sweetmanastrophoto.com/2026/05/11/t... #astrophotography
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The Cocoon Galaxy (NGC 4490 & 4485/Arp 269)
Note: I chose this photo to write up for my astronomy club’s astronomy journal, so the write up is a little longer than my typical. March through May is often referred to as ‘galaxy season’ a…
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Sweetman Astrophoto @sweetmanastrophoto.com · 07/05/2026
sweetmanastrophoto.com/2026/05/07/m3/ Enjoyed photographing M3. Globular clusters are one of my favorite objects, but can be challenging to photograph well. This is my second attempt to capture one. #astrophotography
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M3
M3 is the first object in the Messier list to have been discovered by Charles Messier himself on 3 May 1764.  Messier mistook it for a starless nebula, and it was William Herschel who correctly ide…
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Sweetman Astrophoto @sweetmanastrophoto.com · 30/04/2026
Sorry for the delay. I only heard about this week.
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Sweetman Astrophoto @sweetmanastrophoto.com · 30/04/2026
My images of NGC 5907. This contains a recently discovered supernova, which was first seen on 22 April #astrophotography sweetmanastrophoto.com/2026/04/29/n...
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NGC 5907 (5906)
NGC 5907 is another yet another galaxy discovered by William Herschel, on May 5, 1788, although it seems he may not have seen the entire galaxy. In 1850 George Stoney definitely identified the othe…
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Sweetman Astrophoto @sweetmanastrophoto.com · 25/04/2026
Another galaxy group, Hickson Compact Group 61. #astrophotography sweetmanastrophoto.com/2026/04/25/h...
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Hickson Compact Group 61 (The Box)
HGC 61 was first discovered by William Herchel in April of 1785. In 1981, Paul Hickson added it to his list of compact galaxy groups, and it became known as HCG 61. Hickson’s criteria was at least …
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Sweetman Astrophoto @sweetmanastrophoto.com · 25/04/2026
My latest image. #astrophotography sweetmanastrophoto.com/2026/04/24/n...
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NGC 4725, 4747, and 4712
NGC 4725 is another galaxy discovered by William Herschel, in 1785. It is an intermediate barred spiral galaxy approximately 40 million light years from earth. Interestingly it appears to have only…
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Sweetman Astrophoto @sweetmanastrophoto.com · 21/04/2026
More details: sweetmanastrophoto.com/2026/04/19/m...
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M63 – The Sunflower Galaxy
The Sunflower Galaxy, M63, was the first object discovered by Pierre Méchain in 1779, and subsequently added to Charles Messier’s catalogue. This was later the first object where spiral arms were i…
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Sweetman Astrophoto @sweetmanastrophoto.com · 21/04/2026
First light on my new ZWO FF 80 Astrograph. M63, the Sunflower Galaxy. A galaxy rich in dust and star formation. #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 03/04/2026
I've been focusing lately on creating images of unusually shaped objects and multiple objects...NGC 3718 certainly fits that bill as in interacting and S-shaped galaxy. #astrophotography sweetmanastrophoto.com/ngc-3718-an-...
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NGC 3718, an S-Shaped Interacting Galaxy with NGG 3729
NGC 3718/3729 NGC 3718 is an unusually shaped galaxy located approximately 48 million light years from earth, appearing in the constellation Ursa Major. The galaxy has an S-shape and a dust band cr…
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Sweetman Astrophoto @sweetmanastrophoto.com · 19/03/2026
sweetmanastrophoto.com/m94-the-cats... Finished M94 that I forgot about from last year. Very bright core and faint outer ring, a tough one to process. #astrophotography
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M94, The Cat’s Eye Galaxy
From Wikipedia: is a spiral galaxy in the mid-northern constellation Canes Venatici. It was discovered by Pierre Méchain in 1781, and catalogued by Charles Messier. The galaxy has two ring structur…
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Sweetman Astrophoto @sweetmanastrophoto.com · 04/03/2026
M97, M108 and a gaggle of other galaxies. I’ve recently been concentrating on framing multiple principal objects in the same image… I’ve also been working on cataloging my work in a more organized fashion on my website…check it out! sweetmanastrophoto.com/m97-m108/ #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 21/02/2026
More details: sweetmanastrophoto.com/ngc-2805/
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NGC 2805
From Wikipedia: NGC 2085 is an intermediate spiral galaxy in the constellation Ursa Major. This was fun and interesting target to photograph. The galaxy is deformed, and has a very unique shape due…
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Sweetman Astrophoto @sweetmanastrophoto.com · 21/02/2026
NGC 2805, the most prominent spiral galaxy in the image, is likely deformed by interactions with the nearby galaxies. This is image is full of galaxies, many of which are visible with careful inspection. #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 29/01/2026
Lunar & Planetary Photography Since the weather has been generally poor, with only small windows of clear sky, I've been experimenting with Lunar and Planetary photography. The skill set and capture techniques are quite different, however the equipment I already own, particularly the 8 inch SCT is…
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Lunar & Planetary Photography
Since the weather has been generally poor, with only small windows of clear sky, I've been experimenting with Lunar and Planetary photography. The skill set and capture techniques are quite different, however the equipment I already own, particularly the 8 inch SCT is a reasonable setup for beginners. The capture technique emphasizes quick and quality image capture and extensive post processing with completely different software tools.
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Sweetman Astrophoto @sweetmanastrophoto.com · 25/12/2025
Comet 3I/ATLAS and Asteroid 109 Felicitas On November 28th I got an opportunity to shoot Comet 3I/ATLAS. This comet is pretty faint, so many of the typical techniques for generating a single comet image didn't work very well. The above image shows the comet trail against a static background of…
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Comet 3I/ATLAS and Asteroid 109 Felicitas
On November 28th I got an opportunity to shoot Comet 3I/ATLAS. This comet is pretty faint, so many of the typical techniques for generating a single comet image didn't work very well. The above image shows the comet trail against a static background of stars. I also animated the motion. Here is a zoom in the comet: I also noticed in the lower left corner of the full image that there was an asteroid visible. That is a main belt asteriod known as 109 Felicitas.
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Sweetman Astrophoto @sweetmanastrophoto.com · 12/12/2025
Had some spare time waiting for other targets to rise, so I returned to Andromeda, about 7 hours total captured over 3 nights in late November. #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 07/11/2025
Capture details: Celestron AVX mount, Apertura 60mm FPL-53 doublet with flattener, ZWO ASI2600mc pro, and ZWO ASI120mm mini guide camera
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Sweetman Astrophoto @sweetmanastrophoto.com · 07/11/2025
The Triangulum Galaxy, M33 is the 3rd largest galaxy in our local group. It is a spiral galaxy and is approximately 3 million light years from earth, and approximately 60,000 light years across.  #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 06/11/2025
First Try at Lunar Photography I'm still way behind in processing and writing up so many of the deep space photos I've taken, but since it's a full moon, I decided this month to give that a try. I took two minutes of video with SharpCap, stacked it in AutoStakkert! using this workflow. I'm pretty…
sweetmanastrophoto.com
First Try at Lunar Photography
I'm still way behind in processing and writing up so many of the deep space photos I've taken, but since it's a full moon, I decided this month to give that a try. I took two minutes of video with SharpCap, stacked it in AutoStakkert! using this workflow. I'm pretty pleased with the results for my first try.
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Sweetman Astrophoto @sweetmanastrophoto.com · 17/10/2025
Supernova SN2025rbs It's been a while since I imaged this in early August. I'm really happy with how this turned out given all the struggles I had. I managed to get lucky with the weather, and get a smoke free night. Then I had a few self-induced struggles. I forgot to put the IR/Cut filter back…
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Supernova SN2025rbs
It's been a while since I imaged this in early August. I'm really happy with how this turned out given all the struggles I had. I managed to get lucky with the weather, and get a smoke free night. Then I had a few self-induced struggles. I forgot to put the IR/Cut filter back in the imaging train which caused the stars to blow up and aggravated an issue with stars spikes that I've been struggling with.
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Sweetman Astrophoto @sweetmanastrophoto.com · 25/08/2025
I haven’t finished processing yet, but after 3 nights of collecting data on the Cygnus Loop I think I’ve got enough. #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 08/08/2025
Also, in the picture is Stephan’s quintet(zoomed in 3rd pic). It is an apparent cluster of galaxies. Four of these are interacting galaxies approximately 300 million light years away, and one is visually superimposed, and about 40 million light years away.
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Sweetman Astrophoto @sweetmanastrophoto.com · 08/08/2025
NCG 7331. This is a spiral galaxy about 40 million light years away from earth. On July 14th a supernova was observed in this galaxy. It is the blueish star just to the lower right of the galaxy core. The second photo is a zoom in on NCG 7331 #astrophotography
Wide-field view of the night sky showing numerous stars and galaxies. On the right side is the spiral galaxy NGC 7331, which hosts a newly discovered supernova. On the left side is Stephan’s Quintet, a group of five galaxies.
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Sweetman Astrophoto @sweetmanastrophoto.com · 06/08/2025
Something I’ve wanted to do for a long time, capture a supernova. There is a recently discovered supernova in nearby galaxy NGC 7331, and I finally got an enough of a break in the weather an wildfire smoke. Below is single 3 minute subframe, stacking in process. #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 31/07/2025
The Crescent Nebula and some of the surrounding nebulosity. Capture details: Celestron AVX mount, Apertura 60mm FPL-53 doublet with flattener, Optolong L-enhance filter, ZWO ASI2600mc pro, and ZWO ASI120mm mini guide camera. #astrophotography
A vivid image of the Crescent Nebula (NGC 6888) in deep space, surrounded by swirling clouds of red, pink, and purple interstellar gas against a dark starry background. The nebula appears as a bright, glowing, shell-like structure near the center-right, with filamentary textures and intricate patterns of light.
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Sweetman Astrophoto @sweetmanastrophoto.com · 23/07/2025
Starless and star-filled version of the North American Nebula. This is a first quick cut a processing in the Foraxx Palette. Weather looks promising for later in the week, I plan to collect more data, and include the nearby Pelican Nebula #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 17/07/2025
Reworked some data from over a month ago, fought through a thick smoke cover. About 3 hours on the Elephant Trunk Nebula. I’ve been experimenting with the Foraxx Palette, I feel I really struggle to get stuff not looking like washed out goo…reasonably happy with this. #astrophotography
False-color image of the Elephant Trunk Nebula in the Foraxx palette. The scene shows a dense, pillar-like formation of gas and dust stretching from the lower right toward the center, surrounded by wisps of interstellar clouds. Deep browns and vivid blues dominate the palette, with glowing yellow-orange highlights tracing the edges of the structure. The colors enhance contrast and detail, emphasizing the nebula’s complex texture and star-forming regions within the larger IC 1396 emission nebula.
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Sweetman Astrophoto @sweetmanastrophoto.com · 29/06/2025
Oh totally. I have a 360mm refractor that is just a dream to shoot with. The long focal length is worth the pain for some of longer targets though. I had it working well with asi294, but just can’t seem to dial it in on asi2600. The 2600 gives much cleaner images, but I’ll revert if it can’t fix it
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Sweetman Astrophoto @sweetmanastrophoto.com · 29/06/2025
I’m pretty sure it’s the off axis guider pickoff prism. It’s part of the struggle with a such a small light circle I have no way to avoid having it enter the image space.
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Sweetman Astrophoto @sweetmanastrophoto.com · 29/06/2025
Yes. Edge HD is a totally different animal, designed much more with photography in mind.
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Sweetman Astrophoto @sweetmanastrophoto.com · 28/06/2025
The 8”SCT is difficult to work with. It has a narrow image circle, I’ve got an off access guider taking up a lot of space. Also there’s no adjustment with the field flattener I’m using, so I’m having to work with different combinations of spacers to move it, I moved it 2 mm’s, and it got worse.
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Sweetman Astrophoto @sweetmanastrophoto.com · 28/06/2025
Thank you!
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Sweetman Astrophoto @sweetmanastrophoto.com · 28/06/2025
Capture details: 30 Lights @ 360 seconds, 20 Darks, 10 Flats, and 100 bias frames. Celestron AVX mount, Celestron 8in SCT with flattener/reducer, ZWO ASI2600mc pro, Optolong L-eNhance filter, and ZWO ASI220mm mini guide camera.
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Sweetman Astrophoto @sweetmanastrophoto.com · 28/06/2025
The weather has been very uncooperative, and I'm also struggling with backfocus, but I finally managed to collect for about 3 hours on the Tulip Nebula. #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 06/06/2025
Interestingly, we have trouble accurately gauging the distances to closer galaxies. The Bad Astronomer explains that in this blog post. badastronomy.beehiiv.com/p/jwsts-view...
badastronomy.beehiiv.com
JWST’s view of the magnificently dusty skeletal arms of the spiral galaxy M51
Creepy, or beautiful? Why not both?
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Sweetman Astrophoto @sweetmanastrophoto.com · 06/06/2025
Here is my (likely) final shot for galaxy season, NGC 4565, the Needle Galaxy. This is about 3 hours with the ZWO ASI 2600mc and Apertura 60mm FPL-53. The Needle Galaxy is an edge-on spiral galaxy, between 30 and 50 million light years away. #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 17/05/2025
This one was imaged over two nights Apr 17&18, I rolled with the 80% moon because the weather here has been so rainy I didn’t want to let even a marginal night go. Also a tough one to process with the high dynamic range, lots of masked stretching, but I’m reasonably happy with the result.
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Sweetman Astrophoto @sweetmanastrophoto.com · 17/05/2025
Another one for galaxy season. M94 is a spiral galaxy about 16 million light years away in the constellation Canes Venatici. #astrophotography
A deep space photograph of the spiral galaxy Messier 94 (M94), showing a bright core surrounded by faint circular rings and numerous stars scattered across the dark night sky.
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Sweetman Astrophoto @sweetmanastrophoto.com · 12/05/2025
It’s been really tough getting clear skies lately. Managed about 4 hours on M101. Will have to return to this target but I like how it’s looking so far. #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 04/05/2025
Capture detail: 70 Lights @ 180seconds, 20 Darks, 20 Flats, and 100 bias frames. Celestron AVX mount, Apertura 60mm FPL-53 doublet with flattener, ZWO ASI2600mc pro, and ZWO ASI120mm mini guide camera.
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Sweetman Astrophoto @sweetmanastrophoto.com · 04/05/2025
New camera! The Leo Triplet, a group of three interacting galaxies approximately 30-35 million light years from earth. This was an early target of mine for visual observation, all three just barely visible to me through a 12 inch Dob. #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 13/04/2025
Thanks! And it you want to do it! Tomorrow is promised to no one.
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Sweetman Astrophoto @sweetmanastrophoto.com · 12/04/2025
Capture details: 39 Lights @ 360 seconds with L-eNhance filter, 20 Darks, 20 Flats, and 100 bias frames. Celestron AVX mount, Celestron 8in SCT with flattener/reducer, ZWO ASI294mc pro, and ZWO ASI220mm mini guide camera.
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Sweetman Astrophoto @sweetmanastrophoto.com · 12/04/2025
NGC 7635 - The Bubble Nebula The Bubble Nebula is 7 light-years across – and about 7,100 light-years from Earth in the constellation Cassiopeia. #astrophotography
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Sweetman Astrophoto @sweetmanastrophoto.com · 08/04/2025
I love doing this with my images. Always blown away by how many galaxies you can capture with a backyard telescope.
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