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Andromeda Galaxy, M31
Photographed from a dark location in the Cevennes, France.
10 x 6 min exposure
Nikon D800
300mm F4
no filters
The bright emission part of the nebula is surrounded by dark dust, which you can see partially lit around the edges.
15 x 3-minute, manually off-axis guided exposures at f/4 and ISO 1600. Using more exposures helps reduce digital noise, so I also included 10 x 5-minute exposures taken in 2013.
Modified EOS 600D & Revelation 12" Newtonian reflector telescope.
Registered and stacked using DeepSkyStacker; curves adjusted in Canon Photo Professional; noise reduction via CyberLink PhotoDirector.
Gruppo Astrofili di Piacenza
M42
Composit of different long exposures.
Takahashi APO 130
Nikon D300
Webcam Meade autoguiding
Processing with DeepSkyStacker, PSCS4
NGC 281 the Pac Man nebula
Emission nebula in the constellation of Cassiopeia
RGB data captured on October 29 and 31, 2011
H-Alpha data captured on November 1 and November 2, 2011
Ocala, FL
RGB data: Combination of 60 sec, 120 sec and 180 sec. exposure stacked in DSS for a total of 4 hour 7 min with 10 minute
H-Alpha data: 10 minute exposure stacked in DeepSkyStacker for a total of 2 hours and 10 min.
PhotoShop CS5
Orion 80mm EON
Orion 50mm guide scope with SSAG
Canon T1i (modified)
Losmandy G11 with Gemini II
Hutech IDAS Light Pollution Suppression (LPS) Filter
Astronomic 6nm H-Alpha clip filter for Canon EOS
Additional data adding detail to the inner nebula was accomplished using an Astro-Tech 8 inch Ritchey-Chretien telescope (Ha data) and Explore Scientific 127mm CF APO (RGB)
Imaging camera: QSI 683wsg-8
Ha data 3 hours
RGB data 40 min each Red, Green and Blue channel binned 2x2
Messier 31: The Andromeda Galaxy
96 x 5 minutes, ISO 800
30 darks, 200 bias
Equipment: Canon 450D (Full Spectrum Mod/), Orion 8" f/3.9 Astrograph
Calibration and Post-Processing in DeepSkyStacker and Pixinsight
Taken using Skywatcher 80ED Pro (.85XFR), Nikon D3300, 363x30" lights (ISO 1600), 100 flats, 110 bias. Stacked in DeepSkyStacker and processed in Photoshop.
Taken with a TMB92L, Hutech-modified Canon T3i DSLR, Orion SSAG autoguider and 50mm guidescope, and Celestron AVX mount. Consists of 25 300-second light frames and 19 300-second dark frames, all at ISO 800, as well as 35 flat and 50 bias frames. Captured with BackyardEOS, stacked in DeepSkyStacker, and processed in Photoshop.
Canon EOS 450D prime focus Skywatcher 150 Newtonian. single light frame (15s ISO1600); 12 darks; 20 flats; 20 bias. Processed in DeepSkyStacker, PixInsight and Photoshop CS6.
24x 5s subs ISO 800 stacked in DeepSkyStacker (20 Darks, 20 Flats, 20 Bias) processed in PixInsight and Photoshop. Canon EOS 450D DSLR prime focus Sky-Watcher 150P Newtonian EQ3-2 mount. Baader Neodymium filter.
Perhaps, she thought calmly, whatever moves the alethiometer's needle is making the Aurora glow too. It might even be Dust itself. She thought that without noticing that she'd thought it, and she soon forgot it, and only remembered it much later.
— Philip Pullman, The Golden Compass
Finally got a couple of clear nights :-)
This object is far to the south, and I only have a short time to image it between obstructions, hence the short exposures and high ISO.
12 x 1-minute exposures at ISO 3200, f/4. Modified EOS 600D & Revelation 12" Newtonian reflector telescope.
Registered and stacked using DeepSkyStacker; initial curves adjusted in Canon Photo Professional; final curves & colour-balance adjusted using Paint Shop Pro; noise reduction via CyberLink PhotoDirector.
Comet Leonard is the astronomical event of the year, discovered in January 2021 is located at 35 million kilometers from our planet. As an example, the moon is at 384.400 km.
In its elliptical path with our Sun, it is estimated that it visits us every 40.000 years and to observe it you have to get up early, at 4am. It is not visible to the naked eye, but it can be seen with binoculars at its closest to the earth, which is estimated for December 12.
The photos are taken with an equatorial tracking mount, similar to those found in observatories, to increase the exposure time and prevent stars from looking like traces. Different shots of 30s, 50s and 60s are shot with different ISOs which are then stacked to bring out the tail and details.
El cometa Leonard es el evento astronómico del año, descubierto en enero de 2021 se encuentra a 35 millones de kilómetros de nuestro planeta. Como ejemplo, la luna se encuentra a 384.400 km.
En su trayectoria elíptica con nuestro Sol, se calcula que nos visita cada 40.000 años y para observarlo hay que madrugar, levantase a las 4am. No es visible a simple vista, pero si se apreciara con unos prismáticos en su máximo acercamiento a la tierra, que se estima para el 12 de diciembre.
Las fotos están obtenidas con una montura de seguimiento ecuatorial, similar a las que tienen los observatorios, para aumentar el tiempo de exposición y evitar que las estrellas se vean como trazos. Se lanzan diferentes tomas de 30s, 50s y 60s con diferentes ISO que luego se apilan para resaltar la estela y los detalles.
Date: 12/07/2021
Location: Culla - Castellón (40°18'58.9"N,0°09'39.4"W,828m)
Tracker: Sky-Watcher AZ-GTi
Guiding with QHY 5L-II Mono and guidescope EZG-60
Camera Sony ILC3-A7M3 APS-C Mode
Lens Sony FE 200-600mm F5.6-6.3 G OSS
3 lights at 900mm, ISO 3200, 25seg, f6.3
11 lights at 900mm, ISO 3200, 35seg, f6.3
11 lights at 900mm, ISO 3200, 50seg, f6.3
7 lights at 900mm, ISO 6400, 30seg, f6.3
1 lights at 900mm, ISO 6400, 60seg, f6.3
15 Darks at ISO 3200 and 6400 with the exposure time of the lights.
Total time of exposition 21min. 21seg.
©2021 All rights reserved. MSB.photography
Thank all for your visit and awards.
This is a planetary nebula around 2,600 light years away.
Planetary nebula is formed after a star very much like our own Sun burns through all it's fuel. The star swells up in size and then rapidly shrinks right down to become a white dwarf. As it shrinks, it's gaseous outer layers are left to just simply drift outwards continually expanding. This particular one is approximately 2 light years across.
It gets it's name the Owl Nebula from the two dark patches that kind of look like big beady eyes.
Skywatcher Quattro 8" Newtonian Reflector steel tube with the f4 aplanatic coma corrector, Skywatcher EQ6 R pro mount, Altair Starwave 50mm guide scope, ZWO asi120mm guide camera mini, ZWO asi533mc pro cooled to -10c, ZWO asiair plus.
300 seconds at 0 gain.
Stacked with DeepSkyStacker and processed in StarTools.
Look for it 27,000 light years away in the constellation of Hercules. Also known as NGC 6341 it is one of the oldest star clusters in the Milky Way and was first discovered by Johann Elert Bode in 1777.
With an estimated 300,000 stars 100 light years across it should be quite easy to find in a pair of 10x50 binoculars, the best month for observing it is July.
Data gathered at www.astronomycentre.org.uk/
Boring Techie bit:
Telescope: Askar FRA400
Mount: EQ6r pro
Camera: ZWO 533mc pro
Filter: Optolong UV/IR.
Guided and controlled by the ZWO asiair+ using Altair Starwave 50mm & ZWO 120mm mini.
Best 90% of 120 light frames 60 seconds each.
Stacked with darks, flats, dark flats using DeepSkyStacker.
Processed using Graxpert, StarNet2, PixInsight & Affinity Photo.
Telescope: William Optics ZenithStar 81 Refractor
Mount: Losmandy GM811G
Imaging Camera: ZWO ASI 2600MC Pro
Filter: Optolong L-eXtreme Dual-band Filter
Site: Elk Grove, California, USA
Calibration Files: None
Guiding: None
Integration Time: 6h 24m
Bortle Zone: Class 6
Processing:
DeepSkyStacker:
- stacked 90% of frames
- enabled 2x drizzle to get double the resulting size from default
- aligned RGB final imaged
- saved 32bit image
Photoshop:
- reduced size to 67%
- reduced 32bit to 16-bit
- level/curve adjustment to stretch image
- hue/saturation to change color
- Camera Raw Filter to tweak Exposure, Contrast, Details (mainly for noise reduction)
Here is a combined view of the Cigar Galaxy (M82) and Bode’s Galaxy (M81) taken during imaging session in February 2017.
Tech Specs: Bode’s Galaxy (on the right) composed of 53 x 60 second images, Cigar Galaxy (on the left) composed of 28 x 60 second exposures. All at ISO 3,200 with 5 x 60 second darks and 5 x 1/4000 second bias frames (captured using BackyardEOS software) using a Meade LX90 12” telescope and Canon 6D camera mounted on a Celestron CGEM-DX mount. Guided using an ASI290MC mounted on a Canon 400mm f/5.6 lens using PHD2 software. Imaging was done on February 20 and 26, 2017 from Weatherly, Pennsylvania. Manually aligned.
Rho Ophiuchi,
The Rho Ophiuchi cloud complex is a dark nebula of gas and dust that is one of the closest star-forming regions to the Solar System at 460 light years.
Seen here it reaches above the Milky Way core. The bright "star" is Jupiter.
Shot from South Australia.
source: Wikipedia
Canon 6D
Canon ef-50mm f1.8@f2.8
10s
54 exposures ( 9 minutes total ) stacked in Deep Sky Stacker and processed in PS6
Andromeda Galaxy, M31
Mount: Skywatcher EQ6 Pro
Scope: William Optics Fluorite Doublet 80/555
Camera: Nikon Z6
Seeing conditions: 60% ..from by home in Rome
Unguided exposures:
- ISO800 x 40'' x 60 exposures
- Darks x 15
Stacked with DeepSkyStacker
Here is a 48-minute stacked image taken during our live stream event last evening of Comet C/2022 E3 ZTF during its closest approach to Earth. Tycho software (Daniel Parrott) estimated the movement at 16.7" per minute.
Tech Specs: Sky-Watcher Esprit 120ED Telescope, ZWO AS2600mc-Pro running at -10C, Celestron CGEM-DX mount, ZWO EAF, ZWO ASIAir Pro, 48 x 60 seconds. Processed using DeepSkyStacker and PixInsight. Image Date: February 1, 2023. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
The latest out of the Canon EOS Ra. I couldn't resist capturing this region for the 65th time using my new full-frame sensor!
The EOS Ra, RedCat, and Triad Ultra are a match made in heaven for subjects like this.
Why I Bought a Canon EOS Ra: astrobackyard.com/is-canon-eos-ra-worth-it/
The image includes 67 x 5 minutes (5 Hours, 35 Minutes) at ISO 3200.
The noise performance of this sensor is absolutely incredible, a massive improvement over the 60Da.
Sky-Watcher HEQ5 Pro
William Optics RedCat 51
Canon EOS Ra
Radian Triad Ultra (2")
DeepSkyStacker
Adobe Photoshop 2020
Messier 65 (also known as NGC 3623) is an intermediate spiral galaxy about 35 million light-years away in the constellation Leo, within its highly equatorial southern half. It was discovered by Charles Messier in 1780. With M66 and NGC 3628, it forms the Leo Triplet, a small close group of galaxies (Wikipedia).
Observation data (J2000 epoch)
Constellation: Leo
Right ascension: 11h 18m 55.9s
Declination: +13° 05′ 32″
Distance: 41–42 Mly
Apparent magnitude (V): 9.3
Tech Specs: Orion 8" f/8 Ritchey-Chretien Astrograph Telescope, Celestron CGEM-DX pier mounted, ASI071MC-Pro, ZWO AAPlus, ZWO EAF, 52 x 60 seconds at -10C, processed using DeepSkyStacker and PixInsight. Image Date: March 20, 2023. Location: The Dark Side Observatory (W95), Weatherly, PA, USA (Bortle Class 4).
“Question me then, my Oinos, freely and without fear. Come! we will leave to the left the loud harmony of the Pleiades, and swoop outward from the throne into the starry meadows beyond Orion, where, for pansies and violets, and heart's—ease, are the beds of the triplicate and triple—tinted suns.”
Edgar Allan Poe
If you are in the southern hemisphere you will immediately recognize the Orion Constellation in this very modest image and, if you are in the northern hemisphere, you will surely say: "Orion, the hunter, with his head down." The truth is that, wherever you are, you will agree that Orion is one of the most beautiful constellations in the sky. In my childhood I was taught to see it as a sword made of precious stones and, since then, I always saw it that way: the M42 nebula is the hilt, the Three Marys - Alnitak, Alnilam and Mintaka -, the guard of the sword and the group of stars that forms the head of the hunter, down in the image, where the star Meissa, the tip of the sword's blade, is located.
This constellation has magnificent treasures, such as the IC 434 nebula, which, in contrast, allows us to see the dark Horsehead nebula, the emission nebula NGC 2024 (known as the Flame nebula), the Witch's Head (IC 2118) and the queen of the constellation, M42 (just to name a few of the best known). Do you want to take on the challenge of finding them in the image? Four beautiful stars complete the dazzling scene: Rigel (the brightest), Bellatrix, Betelgeuse (the orange star of the constellation) and Saiph.
I captured this simple image with my Nikon D5600 camera, Nikon 18-55mm lens, at 45mm, f/5.6, Sky-Watcher EQ3 equatorial mount. The capture software was digiCamControl, stacked with DeepSkyStacker and a very basic preprocessing with Siril. In the end, very slight post-processing in Gimp.
January 30, 2024. Zona rural, Concordia, Entre Ríos, Argentina.
Same framing and process as a week ago, but this time I shot 20 x 30 second subs from some better Bortle 3 skies, and NEOWISE was about 15 degrees above the horizon, which made a big difference - the background sky gradient was less severe, the green color of the nucleus is showing and there are more stars (and spiral galaxy NGC 3198, 6.5 arc min long with a visual mag. of 10.3 is just visible in the upper lefthand corner).
Acquisition details: Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, 20 x 30 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing with Astro Pixel Processor and GIMP, taken July 20, 2020 from Bortle 3 skies at 11:00 pm Pacific (the beginning of astronomic dark).
My first record of the Helix Nebula (nicknamed "Eye of God" because of its resemblance to an eye). The stacked frames, captured in four nights, totaled 15 hours and 50 minutes of exposure.
"The Helix Nebula (also known as The Helix or NGC 7293) is a large planetary nebula located in the constellation Aquarius. This object is one of the closest to the Earth of all the bright planetary nebulae. The estimated distance is about 700 light-years. The Helix Nebula has sometimes been referred to as the 'Eye of God' in pop culture". Source: eso.org (adapted)
Sky-Watcher 203mm F/5 EQ5 reflector with Onstep, Canon T6 (primary focus) modified, Optolong L-eNhance filter (in part of the frames). 50mm guidescope with ASI 290MC. 190 light frames (84x300 "ISO 400 + L-eNhance: 106x300" ISO 800), 40 dark frames. Processing: DeepSkyStacker and PixInsight.
@LopesCosmos
Using a 500mm lens, piggybacked on my telescope and a guidescope with PHD2, I shot about 30 minutes worth of data and combined it with darks/lights/flats to make this image of the double star cluster near the constellation Perseus.
Studio105.no - A Photography Blog for the LoLs - © Jon Schioldborg Baglo or my Instagram
Andromeda Galaxy (NGC 224/ Messier 31) + NGC 221/ Messier 32
Equipment:
SkyWatcher Black Diamond 1000/200 f/5 newtonian telescope
SkyWatcher HEQ5-Pro German Equatorial SynScan GoTo Mount
Nikon D90 (5.4µ size pixels), unmodified
Baader RCC I Rowe "Coma Corrector" & "Field Flattener"
Info:
Original capture date: 2011.10.02
Magnification: 23x (~1150mm)
Pixel scale:1.10 arcsec/pixel (Original resolution)
Pixel scale:4.32 arcsec/pixel (Published resolution)
Field size :78.58 x 52.19 arcminutes
Exposure, Light Frames: 28x60s iso800 (28 minutes)
Exposure, Dark Frames: 200x60s iso800 (3 hours, 20 minutes)
Exposure, Flat Frames: 100
Exposure, offset Frames: 100
Polar-Alignment: Fair
Auto-guiding: None
Temperature: 5C
Elevation: >1000 meters
Software:
DeepSkyStacker, Iris, Photoshop CS5, Lightroom 3
edit: wow, this just keeps blowin' up on tumblr. cool.
ngc1977 - running man nebula.
all data collected with lightbuckets.com 12" R-C telescope (LB-0003) in rodeo, new mexico.
L(R:G:B) = 48m(20m:20m:20m)
Luminance: 6x8min, stacking with deepskystacker. masked stretch in pixinsight 1.5, then 5 more stretches which were HDR fused in enfuse. next, cleanup of geosynchronous satellites in photoshop. finally, dark structure enhancement, atrous wavelet sharpening and noise reduction in pixinsight 1.5.
RGB: 5x4min per channel. masked stretch in pixinsight 1.5, then 8 stretches fused with enfuse. then histogram peak normalization and curves in pixinsight 1.5 again. cleanup of satellites in photoshop. slight sharpening with atrous wavelets, and noise reduction in pixinsight 1.5.
Luminance+RGB merge with pixinsight 1.5. cleanup of CCD artifacts in photoshop.
minor tweaks in lightroom 2.0
comments: i got all the way to the end of this and realized that i wish i had sharpened the luminance channel a whole lot more. also i've probably stretched the RGB data a bit too much for the exposure lengths.
these geosynchronous satellites are really killing me.
So, that's finally my last capture before I get my DSLR modified for astrophotography.
Of course, my ideia is to shot an emission nebula hard to capture with a stock camera.
If everything ends right, soon I'll post a version of this same target, with some quite similar exposure, but with an astromoded Canon T6i.
Wish me luck!
Well... what a hard target for a Bortle 6 skies and a stock DSLR. Almost 3 hours of exposure and I hardly got some nebulosity. I hope it will change soon, as soon my camera come back and my Optolong L-Pro arrive.
Messier 95 (also known as M95 or NGC 3351) is a barred spiral galaxy located in the constellation Leo, about 38 million light-years away it has a magnitude of 11.4 (one of the dimmer Messier objects)..
Tech Specs: This image is composed of 36 x 60 second images at ISO 3,200 with 5 x 60 second darks and 5 x 1/4000 second bias frames using a using a Meade LX90 12” telescope and Canon 6D camera mounted on a Celestron CGEM-DX mount (ASI290MC and Canon 400mm lens for guiding). Imaging was done on March 23, 2017 from Weatherly, Pennsylvania.
Three reddish emission nebulae are also visible in the photograph: Eagle Nebula (M16), Omega Nebula (M17), and Lagoon Nebula (M8). At the bottom of the image you can see the "Teapot".
Taken on August 16, 2020 in a rural/suburban transition area (Bortle 4). Fuji X-E2, 18mm f2.8 13sec ISO3200. Eighteen frames were stacked in DeepSkyStacker. Editing in RawTherapee.
The deep, long exposure of 35 - 45 minutes per panel visualizes the fabulous details of galactic dust lanes and the spectacular color details in the Rho Ophiuchi cloud complex. However, the most fascinating and surprising detail is the visualization of the moon's motion relative to the stars, which caused a red glowing moon trail during the eclipse.
The lunar eclipse of May 2022 and the famous dark sky conditions of La Palma allowed me to strive for a more complex project. I collected data for three nights to get a widefield mosaic including the lunar eclipse, deep sky objects and the Milky Way. I had never attempted such an image with a longer lens during an astronomical event, and I had no way to get a second chance. My excitement was raised by the moon's alignment with Rho Ophiuchi and the Milky Way, but the processing mess afterward made me almost lose hope due to my lack of experience.
On May 7 & 8, I shot three panels of 65 subs in advance. Enough time until daybreak since the moon was about getting brighter and more present until full moon on May 16th, when I added the eclipse panel of 92 subs. Since I hiked way up into the mountains to work on some nightscape Panos with another camera contemporaneously, my setup had to be as simple as possible. No guiding, no computer, no counterweight - just a cotton bag filled with stones to stabilize my tripod.
EXIF
Nikon D800a & 85mm f/1.8
Vixen Polarie Star Tracker
4 Panel Panorama
Tracked / Stacked / Blend
220 x 30s - ISO 4000 - f/2.5
Eclipse 92x30s (4:52 - 06:01)
Moon blend 14s - ISO 800 - f/5
Software
DeepSkyStacker, Photoshop, Starnet++, PTGui
Comet C/2025 R2 (SWAN): First trial.
I hope to get better results in the next days. 😉
Shooting data:
#Light frames: 160
#Dark frames: 30
Shutter speed: 2.5 s
ISO: 3200
F-Stop (equivalent): f/2.8
Lens: CSJ 135mm f/3.5 + LT II
Camera: Sony A6000
Date: 08/10/2025
Time: 19.15 - 19.45 CEST
Software: DeepSkyStacker, Lightroom.
Location: Giffoni Valle Piana, Italy
The star Sirius is a beacon in the dark night. It looks like a mother of pearl that Poseidon himself was in charge of cultivating and polishing to light the way for the intrepid sailors who cross the expanse of its seas.
Sirius is the brightest star in the sky visible from Earth, reaching a magnitude of -1.09. Located in the constellation of Canis Major, Alpha Canis Majoris (one of its official names), it is 8.60 light years away from us and forms an amazing double system, where its companion is very difficult to observe, since it is a white dwarf of magnitude 8.44. In this modest image, Sirius is accompanied to the left by the beautiful open cluster Messier 41 (M 41), with a small red star at its center. Below to the left of Sirius, three red-toned stars stand out. These are the beautiful Nu 1, Nu 2 and Nu 3 Canis Majoris.
Around you, you can see a sea of stars and there is a lot to say about them. I'll just say that when I was a kid, I used to ask my mom how many stars there were. While we looked at the dark sky of country nights, with great grace and mischief he answered me "sin cuenta" which, in Spanish, means that it is not possible to count and is pronounced the same as "cincuenta", which in English is fifty. So I, with a lot of effort and taking care not to get lost and count the same star twice, began the task of counting the fifty stars in that immense sky. At my young age, I knew that if I could get past that number, I would be ready to refute my mother's argument. In the end, I was contemplating her beautiful face her, barely illuminated by that immense starry sky.
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I captured this photo with my old Nikon 75-150 lens, from the 1980s, at 100mm and my Nikon D5600 camera. 8.40 minute integration, Iso 1000. Processed with DeepSkyStacker, Siril and Gimp.
Rural area, Concordia, Entre Ríos, Argentina. 30-03-2023, 23:09 hs.
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Acquisition details: Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, 25 x 60 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing with Astro Pixel Processor and GIMP, taken just before astronomic dawn on Mar. 22, 2020 from Bortle 2 skies.
At my latitude, this region of the sky only gets about 17 degrees above the horizon - every time I've shot it I've had thin clouds and haze to deal with. This time was no different - I wasn't able to use most subs because of thin cloud cover.
13 x 4-minute exposures (taken 7 Mar 2021) and 9 x 5-minute exposures (taken 30 March 2016). All exposures manually-guided, ISO 1600, f/4. Modified EOS 600D & Revelation 12" Newtonian reflector telescope.
Frames registered and stacked in DeepSkyStacker software; curves adjusted in Canon Photo Professional; noise reduction in CyberLink PhotoDirector.
Tracker: Vixen Polarie Star Tracker
Exposure time: 20 mins (20 frames x 60s)
Gear: Nikon D810A + Sigma 35mm F1.4 Art + STC Astro-Multispectral clip filter.
Camera Setting: iso1600, 60s, F2.8 & 35mm.
Software: DeepSkyStacker 4.1.1 & Photoshop CC
Location: Home Observatory, Miri City
Taken using Skywatcher Evostar 80ED Pro (.85x reducer), Celestron Nexstar SLT Mount & Nikon D3300. ISO 1600,20x30s lights, ~100 flats and bias. Stacked in DeepSkyStacker and post processed in Photoshop & Pixinsight.
This is a re-process of some very old acquisition data that I had using some new post-processing tools from Russel Croman. His NoiseXTerminator & BlurXterminator tools are extremely helpful in reducing noisy images and bringing out further details.
The Andromeda Galaxy (M31), Mirach Star (β Andromedae) and Triangle Galaxy (M33).
Camera – Fujifilm X-T20.
Lens – smc Takumar 50mm f/ 1.4
Mount – Sky-Watcher Star Adventurer Mini.
ISO – 2000.
Stack of 66 lights 30" each.
0 darks, biases or flats.
Stacking in DeepSkyStacker.
Editing in SiriL and Adobe Photoshop.
Here is a view of the Milky Way and its core.
Taken with a Canon 600D (unmodified) equipped with a 18-55 mm kit lens and mounted on a meade lxd75 mount.
Where I am disapointed on this picture, is that we clearly see 2 totally differents parts :
At the top, the sky is natural (black) in contrast to the bottom where the center of our galaxy is hidden behind light pollution of nearby cities...
But I can not do anything except offsetting this in software
Technical Datas :
Canon 600D (unmodified filter) + 18-55 mm kit lens + meade lxd75 mount
18 mm
1 x 5 min + 1 x 3 min
f/4.5
ISO 800
DSS & Lightroom editing
Location : France
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Stacking Software
Deep Sky Stacker (PC): deepskystacker.free.fr/english/index.html
Sequator (PC): sites.google.com/site/sequatorglobal/download
Registax (PC): www.astronomie.be/registax/
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I've re-stacked a set of previous exposures from 2014 with some recent frames to further reduce noise.
24 x 1-minute unguided exposures at ISO 3200 (taken 8 September 2019); 11 x 3-minute manually, off-axis guided exposures at ISO 1600 (taken September 2014).
Modified EOS 600D & Revelation 12" Newtonian reflector telescope.
Registered and stacked using DeepSkyStacker; curves adjusted in Canon Photo Professional; noise reduction via CyberLink PhotoDirector.
NGC 2438 is a planetary nebula found inside the open cluster M46 in the constellation Puppis. I remember the first time I imaged M46 and spotted this fuzzy planetary nebula, I thought I discovered something new! My star atlas, at the time, did not show this NGC object. This planetary nebula is actually not part of the open cluster, it just appears in the same line of sight. It’s estimated distance is 3,000 light years away and has a magnitude of 10.8.
Tech Specs: This image is composed of 40 x 15 second images at ISO 5,000 with 5 x 15 second darks and 5 x 1/4000 second bias frames using a Meade LX90 12” telescope and Canon 6D camera mounted on a Celestron CGEM-DX mount. Imaging was done on February 18, 2017 from Weatherly, Pennsylvania.
Another from the last few nights, and also including some earlier frames to help further reduce noise.
25 x 1-minute unguided exposures at ISO 6400 (taken 4 & 5 July 2019) and 9 x 5-minute manually off-axis guided exposures at ISO 1600 (taken in July 2013).
Astro-modified EOS 600D & Revelation 12" f/4 Newtonian reflector telescope.
Registered and stacked using DeepSkyStacker; curves adjusted in Canon Photo Professional; noise reduction via CyberLink PhotoDirector.
Here is a view of the Whale and the Pup Galaxies (NGC 4631 and NGC 4627) found in the constellation Coma Berenices. This galaxy is roughly 22 million light years away from Earth.
Tech Specs: Orion 8" f/8 Ritchey-Chretien Astrograph Telescope, Celestron CGEM-DX pier mounted, ASI071MC-Pro, ZWO AAPlus, ZWO EAF, 57 x 60 seconds at -10C, processed using DeepSkyStacker and PixInsight. Image Date: March 16, 2023. Location: The Dark Side Observatory (W95), Weatherly, PA, USA (Bortle Class 4).
34,000 light years away towards the constellation of Canes Venatici lies the impressive globular star cluster Messier 3 (NGC5272). It contains upwards of half a million stars and is actually heading our way. M3 is moving towards our solar system at approximately 147.6 Kilometers per second!
Boring techie bit:
Skywatcher Quattro 8" Newtonian Reflector steel tube with the f4 aplanatic coma corrector, Skywatcher EQ6 R pro mount, Altair Starwave 50mm guide scope, ZWO asi120mm guide camera mini, ZWO asi533mc pro cooled to -10c, Optolong L'enhance 2" filter, ZWO asiair plus.
Stacked with DeepSkyStacker and processed in StarTools.
Nikon d610 stock
TS72 APO + TS72flat
settings: 432mm, f6, iso1600, 6.5hrs
-
Tracking: Skywatcher Star Adventurer unguided
software:
Stacking: Deepskystacker 4.2.2 (drizzle2)
Processing: Adobe Photoshop, Photokemi Startools action set, GradientXterminator, Nik software, HLVG
NGC2264 Cone and Tree Nebulae in Monoceros contellation taken on 29th December 2019.
12 images of 600 seconds each, taken with a ZWOASI071-MC Pro camera and Skywatcher ED120 telescope, at Ganacia 100 and -05º C. Processed with DSS, PI LE and PSCC2019.
Fecha: 29-12-2019, de 00h26m a 02h41m U.T.
Lugar: Las Inviernas, Guadalajara
Temperatura ambiente: de -03.5ºC a -01.5ºC
Cámara: ZWO ASI071MC Pro
Óptica: Telescopio refractor Skywatcher ED120, de 120 mm de diámetro y 900 mm de distancia focal (f/7.5)
Montura: Skywatcher EQ6 Pro Synscan v.3.25
Guiado: Automático con QHY-5 mono y PHD Guiding v.1.14.0, utilizando un telescopio refractor Orion 80mm de diámetro a f/5.
Filtros: Ninguno.
Exposiciones:
12 imágenes de 600s cada una, a -05ºC y 100 de ganancia
en total, 2h00min.
30 darks de 600s, a -05ºC y 100 de ganancia
30 bias de 0.001s, a -05ºC y 100 de ganancia
Software: APT Astro Photographic Tool v.3.82
DeepSkyStacker v.4.2.0
PixInsight LE 1.0