View allAll Photos Tagged DeepSkyStacker
This is a stack of 32 exposures, i.e. 53 minutes in total plus 13 dark-frames. The camera (Sony ILCE7) and the 200mm lens (Canon EF 70-200mm 1:4L) have been attached to a "Star Adventurer"-mount in order to compensate for earth rotation, while shooting at F4.0/ISO 1600. Stacking has been done with DeepSkyStacker, and final editing with Photoshop CC 2015.5. Place of observation was close to Bremen, in the northern part of Germany.
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Manual: www.ioptron.com/v/Manuals/3322_SkyTrackerPro_Manual.pdf
Phone/iPad app for accurate polar alignment (itunes.apple.com/us/app/ioptron-polar-scope/id564078961?mt=8) or Android phone polar finder app (play.google.com/store/apps/details?id=com.techhead.polarf...)
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/
Starry Landscape Stacker (Mac): itunes.apple.com/us/app/starry-landscape-stacker/id550326...
pixinsight (mac): pixinsight.com/
Nebulosity (mac): www.stark-labs.com/nebulosity.html
Low over the trees on the valley side.
11 x 1-min exposures at f/4 and ISO 3200. Astro-modified Canon EOS 600D and Leica Summicron 50mm f/2 lens on a Vixen Polarie star tracker.
Frames stacked in DeepSkyStacker software; curves and colour balance adjusted in Canon Photo Professional; noise reduced using Cyberlink PhotoDirector.
Komet Neowise
Komet above Talitha (HR3569) and Alkaphrah (HR3594) (left)
80D Efs 70-200 f/2.8 LII @200mm
15sec f/2.8 ISO800 on SA
Stack of 10 pics DSS
Orion Nebula (Messier 42)
Horsehead Nebula
Flame Nebula
300mm lens
Nikon D800
UHC-E filter
EQ3-2
Bortle 5
6 hour integration time
As 6 of the last 7 nights have been mostly clear, I've a few astrophotos to post over the coming days :-)
In some cases, as here, I've included older frames, taken with the same setup, in the stack to further reduce noise.
22 x 1-minute unguided exposures at ISO 6400 (taken 3 July 2019); 19 x 1-minute unguided exposures at ISO 3200 (8 July 2018); 3 x 3-minute manually off-axis guided exposures at ISO 1600 (17 July 2015).
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's my second attempt at imaging the Andromeda Galaxy. All told, from telescope setup time to final processing, this photo took roughly eight hours to produce. The Andromeda Galaxy is 2.5 million light-years away. A single light-year is 5,865,696,000,000 miles. Now multiply that by 2.5 million. That's pretty far away. It contains roughly 1 trillion stars.
Taken with a TMB92L, Canon T3i DSLR, Orion SSAG autoguider and 50mm guidescope, and Celestron AVX mount. Consists of 53 120-second light frames and 41 120-second dark frames, all at ISO 800, as well as 15 flats. Captured with BackyardEOS, stacked in DeepSkyStacker, and processed in Photoshop.
Rosette Nebula(edit2019)
2.5hrs guided
Camera and scope : TS72 APO + TS72flat, Nikon d610
432mm /f6/ iso800
Tracking: Skywatcher Star Adventurer
guiding: TS 50mm f3.6 guidescope , zwo asi120mc-s
Software: Deepskystacker(x2 drizzle), Photoshop, PHD2
Here is a quick view of Comet c/2019 Y4 (ATLAS) while I was chasing galaxies on the evening of March 15, 2020. This is just a single 60-second exposure showing the comet as it is traveling through the constellation Ursa Major.
I don’t know about others, but comet stacking has always been troublesome for me. I’ve tried about 18 different settings inside DeepSkyStacker and each the result was very poor (using 10 x 60 second exposures).
Technical Specs: Meade 12” LX-90, ZWO ASI071mc-Pro, 1 x 60 second exposures, Gain 200, Temp -5C, guided using a ZWO ASI290MC and Orion 60mm guide scope. Captured using SGP v3.1. Image date: March 15, 2020. Location: The Dark Side Observatory, Weatherly, PA, USA.
Untracked Rho Ophiuchi cloud complex and the the constellations of Sagittarius, Scorpio and Ophiuchus, showing a portion of the nucleus of the Milky Way. Some of the objects that can be seen are the Trifid and Lagoon nebulae in the constellation Sagittarius. Towards the right half of the image we find, joined to the Milky Way by the Dark River, the Ophiuchus Nebula. Stand out in this region, the red supergiant star Antares (alpha star of the constellation of Scorpio) and to its right, the globular cluster M4.
Tomas sin seguimiento del conjunto de nebulas de la región de Rho Ophiuchi y parte de las constelaciones de Sagitario, Escorpión y Ofiuco, mostrándose una porción del núcleo de la Vía Láctea. Algunos de los objetos que pueden verse son las nebulosas Trífida y de la Laguna, en la constelación de Sagitario. Hacia la mitad derecha de la imagen encontramos, unida a la Vía Láctea por el Río Oscuro, la Nebulosa de Ofiuco. Destacan en esta región, la estrella supergigante roja Antares (estrella alfa de la constelación de Escorpio) y a su derecha, el cúmulo globular M4.
Date/Fecha: 07/23/2022
Location: Buseu - Lleida (42°18'22.1"N 1°07'01.9"E)
Alt: 1.342m.
Bortle 3 location
GEAR
- Tracker Sky-Watcher AZ-GTi EQ Mode
- Camera Sony ILC3-A7M3 APS-C Mode
- Lens Sony SONY FE 50mm f/1.8
IMAGE
- 48 Lights at 600mm, ISO 8000, 8seg, f1.8
- 11 Darks at 600mm, ISO 1600, 90seg, f1.8
- Total time of exposition 6min. 24seg.
SOFTWARE
- Stellarium
- Stacked with DeepSkyStacker
- Image viewer Adobe Bridge
- Image processing with Adobe Camera Raw and Adobe Photoshop
©2022 All rights reserved. MSB.photography
Thank all for your visit and awards.
90 seconds total integration of a stack of three 30-second exposures using DeepSkyStacker and then levels adjustment in Photoshop CS2.
An unguided image of The Wild Duck Cluster (M11) in Scutum taken with SharpCap using a ZWOASI183MC Pro camera attached to a Celestron 130mm f/5 reflecting telescope. Fifty 20 second images were combined and processed using DeepSkyStacker, Gimp, and Lightroom.
I wanted to include the Perseus molecular cloud in the same extent as the California Nebula, but it didn't quite fit in the 1.5x-crop-factor field of view of my Fuji + Samyang 135mm lens, so I shot a mosaic of 4 panels. I thought snct astro did a great job framing the extent here (flic.kr/p/2kcoAZu), so I imitated their framing.
Panels were 26, 30, 22, and 37 x 1 min integrations and overlapped substantially, so most areas were covered by more than one panel. I also added 50 x 1 min of imagery of the Perseus Molecular Cloud from Nov. 20, 2019 (flic.kr/p/2hNZ6iA). So in total this is 165 minutes worth of data.
Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, tracking with iOptron SkyTracker Pro, stacking of individual panels done with DeepSkyStacker, flattening of individual panels and mosaicking done with Astro Pixel Processor, editing in GIMP.
Skies were Bortle 3/4 for the 4 panels shot on Dec. 5, 2020, and Bortle 2/3 for the 50 exposures from Nov. 20, 2019.
It was fun discovering the planetary nebula NGC 1514 below the California Nebula as I processed this. Even though it's tiny at 135mm, it was very apparent that it was a planetary nebula rather than a star.
September 2020. A nice walk through the Puljutunturi, in the middle of the night with my friend Johannes
Orion's Sword
Just South of Orion’s Belt
This image was captured from my back garden in light polluted Nottingham, thankfully the Astronomik CLS clip-filter has done a good job at keeping the light pollution within manageable levels.
The raw images were stacked in Deep Sky Stacker and then processed in Photoshop using a layer mask to blend the two sets of exposures.
Canon 60Da
SW Evostar 80ED at 510mm f/6.3
SW .85x focal reducer corrector
EQ6 Pro (EQASCOM)
Astronomik EOS CLS Clip Filter
All frames at ISO 1600
40 x 180 seconds & 40 x 30 seconds
Total integration time: 120 minutes
Lacerta Off-Axis Guider (OAGhu48)
Lodestar Autoguider and PHD Guiding
Stacked in Deep Sky Stacker, processed in Photoshop.
Lights: 40x 180s & 40x 30s
60x flats
60x dark flats
60x bias frames
60x darks
Objects visible in the image:
M42 (NGC 1976), M43 (NGC 1982), NGC 1973, NGC 1975, NGC 1977, NGC 1980, NGC 1981
An unguided image of the globular star cluster M5 in Serpens taken with a ZWOASI183MC camera through a 130mm f/5 reflecting telescope and processed using DeepSkyStacker and Lightroom.
Here is NGC 7822 captured two nights ago with enough integration to do this little camera justice.
30 x 5-minutes @ Unity Gain
ZWO ASI533MC Pro
Optolong L-eNhance Filter
Starizona APEX 0.65 Reducer
Sky-Watcher Esprit 100 APO
Sky-Watcher EQ6-R Pro Mount
DeepSkyStacker
Photoshop CC
Video: youtu.be/yBU-1tgd92s
Processing Guide: sellfy.com/p/0zsyyq/
Equipo: Star Adventurer - Canon 6D - Canon 24/105mm f/4
4 x 120s @f/5 24mm ISO 3200 - Crop
Procesado: Deepskystacker - Photoshop - Lightroom
Febrero 2022 - Punta Indio - Bortle 3
25 x 4 minutes, ISO 800
30 darks, 100 flats, 100 bias
Orion 8" f/3.9 Astrograph, Canon t2i (unmodded)
Calibration and Post-Processing in DeepSkyStacker and Pixinsight
Wow. All I can say is that the light pollution filter works as advertised. I was able to increase the exposure to 5 minutes for each light frame using the LPS-P2. It really does block the spectral lines in the sodium wavelength. You can easily see the Flame Nebula just above Alnitak, the leftmost belt star.
This was a quick and dirty processing. I will play around with it some more later.
This is a planetary nebula in the constellation of Lyra. Planetary nebula are so named because, they are small, round and look like planets.
A planetary nebula is a star entering the final phases of it's life cycle. The more massive stars go out in spectacular style as a supernova. The smaller stars, like that of our Sun. Enter their penultimate phase, that of a white dwarf star, with a little less pazzazz. Though they are no less beautiful.
Captured on 23rd of April from Rochdale, UK.
Boring techie bit.
Skywatcher quattro 8" S & f4 aplanatic coma corrector
EQ6 R pro mount guided with an Altair 50mm & GPcam setup
Canon 450D astro modded with Astronomik CLS CCD EOS APS-C clip filter. Intervalometer used to control the exposures.
6 exposures of 6 minutes each at ISO 400.
Stacked in DeepSkyStacker with darks, flats, dark flats & bias frames. All processing done with StarTools.
أقرب وصف قد يتراءي إلى ذهني عن السديم هو أنه حضانة للنجوم حيث أنه موضع ميلاد الكثير منها كونه عبارة عن مزيج من غازات الهيدروجين و الهيليوم و غبار كوني. و كل ما يحتاجه النجم كي يولد هو انصهار نووي. كذا الحال في سديم الجبار (M42) حيث تولد فيه النجوم إلى يومنا هذا. و يبعد هذا السديم عنا حوالي ١٣٥٠ سنة ضوئية (كل سنة ضوئية تعادل قرابة ١٠ تريليون كيلو متر). و تنقسم السُدم عامة إلى نوعان: سُدم إشعاعية و اللتي تشع من ذاتها نتيجة تولد طاقة عند تكون الهيدروجين و سُدم عاكسة و اللتي تعكس ضوء النجوم المجاورة.
بإمكانكم رؤية سديم الجبار بشكل واضح و بالعين المجردة و لكن قد يغلب على الظن كونه نجما آخرا.
A closest description that comes to my mind about Nebulas is to think of them as the birthplace of stars. Literally thousands of stars are being formed in nebulas till this day and all it needs is a little process called fusion of Hydrogen to form the core. The great Orion’s nebula (or M42) is one of the closest to us. When i say close, i mean 1350 light years away (1 light year is 10 Trillion Kilometers( yet on a dark night you can clearly see it with your naked eye, except that you have to know that it is a Nebula and not another star. Nebula’s can be mainly categorized to two types: Emission Nebulas, the one that emit light due to formation of Hydrogen that gives out energy in the form of red light and reflection nebulas that (as the name implies) reflect light from other nearby stars.
Camera Gear:
Canon 5d MarkII
Telescope mount:
Celestron Nester SE8 with GoTo Alt-Azm mount
Celestron Focal Reducer/Corrector f/6.3
Images:
50 light frames
30 dark frames
30 bias frames
Software:
DeepSkyStacker (DSS)
Adobe Lightroom CC
Adobe Photoshop CC
Messier 33.
Located in the constellation of Triangulum.
M: iOptron EQ45-Pro
T: William Optics GTF81
C: ZWO ASI1600MC-Cooled
F: L-eNhance filter (Dual Ha,Hb & Oiii Narrowbands)
G: PHD2
GC: ZWO ASI120mini
RAW16; FITs
Temp: -20 DegC
Gain 139; Exp 400s
Frames: 25 Lights; 4 Darks; 20 flats
100% Crop
Capture: SharpCap
Processed: DSS; PS
Sky: New moon, calm, no cloud, cold, fair seeing.
2.73 million light years distant.
27 light frames of 5 seconds each stacked in DeepSkyStacker totaling 2min 15s. Untracked exposures from a tripod.
Pentax K-30 @ ISO 12800 w/ a 50mm 1.4 @ f/2.0
This is the Triangulum Galaxy, also referred to as M33. At a distance of over 2.5 million light-years away, it is a bit further out than Andromeda Galaxy, but it is still one of our closest galactic neighbors. There are around 40-billion stars in this spiral galaxy.
I shot this image a few nights ago using about 5 hours of RGB data. I was individually shooting 3-minute exposures in each color, then combining those images to get what you see, here.
Scope: Skywatcher 150 PDS
Camera: ZWO ASI 1600MM with ZWO EFW and filters
Exposures: 30x180s for R,G,B each
Processing: DeepSkyStacker, PixInsight, and Lightroom
M106 with accompanying galaxies NGC 4217, NGC 4248, NGC 4232, NGC 4231 and NGC 4220.
Spiral galaxy in Canes Venatici
~23.7 million light years distant
Ocala, FL (RGB)
Chiefland, FL (LUM)
Combination of 6 min and 10 min exposures stacked in DeepSkyStacker for a total of 6 hours 40 min
1 hours each RGB
3 hours and 40 min Luminance
2 hours 20 minutes Ha
Additional 15 minute subs in Luminance was added from Chiefland, Florida totaling 3 hours and 30 minutes.
Photoshop CS5
Imaging telescope: Orion 80mm EON
Imaging camera: QSI 683 wsg-8
Losmandy G-11 with Gemini II
Hutech IDAS Light Pollution Suppression (LPS) Filter
coatesastrophotography.blogspot.com/2015/02/m106-in-canes...
An old image I have dragged out of the records from 2013, I can't really remember the image info any more so I have put down what I could.
Acquisition Equipment
Camera - CANON EOS 60D
Filter - Astronomik CLS-CCD
Telescope - Sky-Watcher 80ED w/Sky-Watcher .85x Reducer/Flattener
Focal Length - 510mm
F Ratio - F6.3
Mount - Celestron CG-5 Advanced GEM
Guide scope - Celestron 9x50 Finder
Guide Camera - QHY 5 Mono
Acquisition Software
Guiding - PHD2 - Open PHD Guiding
Planetarium - Stellarium
Processing Software
Stacking - DeepSkyStacker
Post-processing - Adobe Photoshop
Links
NGC 2174 (also known as Monkey Head Nebula) is an emission nebula located in the constellation Orion. a region of interstellar atomic hydrogen that is ionized.
DeepSkyStacker - Photoshop
This is my first time imaging a comet through a telescope. What a beautiful comet! Besides imaging and observing it with a telescope, I also viewed it with binoculars. I could detect it naked eye as a smudge to the right of the Pleiades.
Taken with a TMB92L, Hutech-modified Canon T3i DSLR, Orion SSAG autoguider and 50mm guidescope, and Celestron AVX mount. Consists of 23 90-second light frames and 23 90-second dark frames, all at ISO 800, as well as 23 flat and 53 bias frames. Captured with BackyardEOS, stacked in DeepSkyStacker, and processed in Photoshop.
Equipo: Star Adventurer - Canon 6D - Canon 24/105mm f/4
31 x 120s @f/5 105mm ISO 3200
Procesado: Deepskystacker - Photoshop - Lightroom
Febrero 2022 - Punta Indio - Bortle 3
This colorful and diverse nebulosity which owes its name to the star Rho Ophiuchi, includes the bright red supergiant star Antares and composes the closest star forming region to our solar system, approximately 400 light-years away.
The interstellar clouds of gas and dust that make up the complex contain emission nebulae rich of glowing hydrogen (red gas) and blue nebulae that reflect light of nearby stars. The dark-brown areas consist of interstellar dust that prevent any light from passing through.
From the upper left corner of this image begins the enormous dust lane Barnard 44 known as the "Dark River" which extends about 100 light-years up to the Pipe Nebula.
IC 4603 can be identified as the turbulent region that connects the yellow and blue nebulosity. This reflection nebula is illuminated mostly by the 7.9 magnitude star SAO184376.
IC 4604 is the blue nebulosity around Rho Ophiuchi, the triple star in the upper portion of the image.
IC 4605 is the small blue reflection nebula around 22 Scorpii (a magnitude 4.8 star).
IC 4606 is the yellowish cloud associated with Antares, the first-magnitude star near the bottom of the image.
Antares designated "α Scorpii" is on average the 15th brightest star in the night sky and apparently the most prominent star here. It appears distinctly reddish when viewed with the naked eye and lies 550 light-years away from the Sun.
This red super-giant will almost certainly explode as a supernova, possibly in the next 10000 years. At that time Antares could be as bright as the full moon and will be visible even in daytime for a few months.
M4 (Messier 4) is the distant globular star cluster visible to the right of Antares. However, M4 lies far beyond the colorful cloud complex at a distance of some 7000 light-years from Earth.
To the upper right of Antares is the smaller globular cluster NGC 6144.
Technical details:
Camera: Canon 1000Da
Lens: Canon EF 70-200mm f2.8L IS USM II (at 175mm)
Aperture: f/2.8
Mount: Astrotrac TT320X
Total exposure time: 65.25min (3915 sec)
29 x 135 sec , ISO 1600 , 2012-07-20
Post-processing: DeepSkyStacker, Pixinsight LE, Photoshop CS3
P45 12/28/2016 18:16-18:24 PST
Technical Info:
15x 30" @1600 ISO
Camera: Canon 6D Hutech UV/IR mod
Scope: Williams Optics Star 71 Astrograph
Mount: Advanced VX
Stacking: DeepSkyStacker
Processing: Photoshop CC
Location: Lockwood Valley, CA
Among the astrophotographs I made, this is, at the moment, the one with the longest total exposure time, totaling 19 hours and 35 minutes (captured in four nights).
"The beautiful spiral galaxy Messier 83 is located in the constellation Hydra and is also known as NGC 5236 and as the Southern Pinwheel galaxy. Its distance is about 15 million light-years, being about twice as small as the Milky Way". Source: eso.org
Sky-Watcher 203mm F/5 EQ5 reflector with Onstep and electronic focuser ZWO EAF, Canon T6 (primary focus) modified, Optolong L-eNhance filter (in part of the frames). 50mm guidescope with ASI 290MC. 235 light frames (116x300 "ISO 800 + L-eNhance: 119x300" ISO 1600), 40 dark frames, 64 flat frames. Processing: DeepSkyStacker and PixInsight.
@LopesCosmos
Comet C/2022 E3 (ZTF)
2023-01-29
Nikon D5300
Nikkor 55-200mm (200mm)
EXIF: f/5.6 ISO8000
95x8s (12.6min)
22xdarks
Stacked/Apilado: DeepSkyStacker
Edited/Editado: Lightroom
C/2022 E3 (ZTF) is a long period comet from the Oort cloud that was discovered by the Zwicky Transient Facility on 2 March 2022. The comet has a bright green glow due to the presence of diatomic carbon and cyanogen.
The comet reached its perihelion on 12 January 2023, at a distance of 1.11 AU, and the closest approach to Earth was on 1 February 2023, at a distance of 0.28.
C/2022 E3 (ZTF) es un cometa de período largo proveniente de la nube de Oort que fue descubierto por el proyecto Zwicky Transient Facility el 2 de marzo de 2022. Este cometa tiene un brillo de color verde debido a la presencia de carbono diatómico y cianógeno.G
El cometa alcanzó su perihelio el 12 de enero de 2023, a una distancia de 1.11UA y su aproximación más cercana a la Tierra fué el 1 de febrero de 2023, a una distancia de 0.28UA.
Observatori de Pujalt, Catalunya, España
M31 - the Andromeda Galaxy
*
Teleskop / Kamera:
Montierung: Star Adventurer
Optik:60mm f/3.5
EF-S60mm f/2.8 Macro USM
Kamera: Canon EOS 650D
Guider: -
Filter:-
Aufnahmedaten:
Zahl der Aufnahmen: 30
Brennweite:60 mm
Öffnungsverhältnis: 3,5
Belichtungszeit pro Aufnahme: 30 sek.
Empfindlichkeit ISO-Wert: 1600
Darkframes -
Flats -
Bildbearbeitung:
DeepSkystacker:
Standard / Light = Durchschnitt / Ausrichtung= Automatsch / 100% der Bilder
Photoshop Elements 10:
Tonwertkorrekur, Sättigung
*
Die Andromedagalaxie, auch Andromedanebel oder Großer Andromedanebel, ist eine Spiralgalaxie vom Typ Sb. Sie ist im Messier-Katalog als M31 und im New General Catalogue als NGC 224 verzeichnet. Am Sternenhimmel ist sie im Sternbild Andromeda, nach dem sie benannt ist, zu finden. In klaren Nächten kann die Andromedagalaxie von einem dunklen Standort aus mit bloßem Auge gesehen werden. Sie ist das fernste Objekt, das regelmäßig mit bloßem Auge gesehen werden kann.
The Andromeda Galaxy /ænˈdrɒmɨdə/ is a spiral galaxy approximately 2.5 million light-years (2.4×1019 km) from Earth[4] in the Andromeda constellation. Also known as Messier 31, M31, or NGC 224, it is often referred to as the Great Andromeda Nebula in older texts. The Andromeda Galaxy is the nearest spiral galaxy to our Milky Way galaxy, but not the nearest galaxy overall. It gets its name from the area of the sky in which it appears, the constellation of Andromeda, which was named after the mythological princess Andromeda. The Andromeda Galaxy is the largest galaxy of the Local Group, which also contains the Milky Way, the Triangulum Galaxy, and about 30 other smaller galaxies.
Quelle / source:
This is an open star cluster in the constellation of Auriga. Sometimes called the Salt & Pepper cluster.
It was first discovered in the early 1650's by Giovanni Battista Hodierna. Later to be independently discovered by Charles Messier in 1764.
The cluster lies 4,511 light years away from us and is estimated to be between 350 and 550 million years old. Quite a few red giants can be seen within the 500+ stars that make up the cluster.
The best time to observe M37 or NGC 2099 as its listed in the New General Catalogue is the months of December, January and february.
Boring techie bit.
Skywatcher quattro 8" S & f4 aplanatic coma corrector
EQ6 R pro mount guided with an Altair 50mm & Altair GPcam
Canon 450D astro modded with Astronomik CLS CCD EOS APS-C clip filter. Neewer Intervalometer used to control the exposures.
70 - 80 second exposures with the best 75% stacked in DeepSkyStacker with calibration frames.
All other processing done with StarTools
L(RGB) = 6x480s(5x240s:5x240s:5x240s)
L = 1x1bin
RGB = 2x2bin
12" R-C in rodeo, new mexico (lightbuckets.com LB-0003)
stacked with deepskystacker
initial processing with pixinsight 1.5
- normalization of ngc1977 vs. m42 data
- all subs aligned to luminance data
- rgb merge
- combined ngc1977 and m42 data with pixel math to produce a single image
- deconvolution
- histogram stretch (x10) of merged rgb data and luminance data
enfuse:
- HDR blend of all exposures generated in pixinsight
- luminance: hard mask, mean=0.54026, sigma=0.23154
- rgb: hard mask, mean=0.64026, sigma=0.23154, l-star grey projector
- had to duplicate the unstretched exposure 8 times to recover trapezium
photoshop: remove geosynchronous satellite streaks
pixinsight:
- histogram fixes and color calibration of rgb images
- histogram fixes, dark structure enhancement and atrous wavelets on luminance image
- LRGB merge
- chop composite image back into 2 separate images
- further histogram fix of ngc1977 to better match m42
hugin:
- stitch of ngc1977 and m42 images
lightroom:
- fix red/magenta saturation (pixinsight is running without color management... long story)
- crop
comments: the deconvolution is kind of bad... its heavy duty signal processing work that requires more patience than i could muster. as a result i've got some ringing and sharpening of bogus features.
it was really hard to get the two images to have the same brightness even though the exposures were the same. different nights, different amount of moon, different sky transparency all conspire to make two identically exposed images very different.
finally this is HDR so although the relative brightness between m42 and ngc1977 should be correct, the dynamic range of both have been greatly compressed. most other treatements of these objects show ngc1977 much fainter than seen here. but what is realistic when dealing with astrophotography?
second attempt at the orion nebula taken on the 6.1.21 with sony a7iii with 200-600 lens mounted on a iptron mount
98mins of exposure taken and edited done in deep star stakker and photoshop
The Sombrero Galaxy, Messier 104 (M104) is in the constellation Virgo. From my vantage point, it just makes it high enough over the roof of my house to snap a few pictures. The image below was taken on April 24, 2016 using a Canon 6D, Meade 12” LX90, both mounted on a Celestron CGEM-DX mount, unguided. I used a mix of 15-second exposure at ISO 5000 and 6400 to combine 7-minutes of data. I tried several targets, all less than 10-minutes total exposure time so I could test out my collimation of the Meade telescope.
I used the following software packages in producing this image: DeepSkyStacker, ImagesPlus, Adobe Lightroom, and Corel Paintshop Pro.
The Sombrero Galaxy is about 50,000,000 light years away with an apparent magnitude of 8.3.
Nikon d610 with TS72
iso1600
2hrs.17min
Tracking: Skywatcher Star Adventurer
Software used:
Stacking: DeepskyStacker
Processing: Adobe Photoshop,Adobe camera raw, Photokemi Startools action set, GradientXterminator, Nik software, HLVG
M42 Orion Nebula and Running Man Nebula
Vixen Polarie + Standard Tripod
modified Canon 500d
Lights: 35 x 1 minute
Darks: 12 x 1 minute
iso 1600
f/5.6
70-300mm (300mm)
Aligned and stacked in DeepSkyStacker
Processed in Pixinsight and cs5
Location: Vancouver, BC
Temp: 2°C
Acquisition Details...
6 Hours 5 Minutes
81 x 120 Second Images
15 x 300 Second Images
67 x 240 Second Images
- | Equipment | -
Camera: Canon 80D (Unmodified)
Mount: Skywatcher HEQ5 Pro (Rowan Belt Modified)
Guide Camera: ZWO 120MM Mini
Guide Scope: Altair Starwave 50mm Guidescope
- | Image Acquisition | -
Astrophotography Tool
PHD2 Guiding Software
- | Processing | -
DeepskyStacker
Adobe Photoshop 2019
Youtube vlog: youtu.be/6qQjvKA118E
Zona astrale del Cigno (a dx al centro Deneb, alpha Cyg, più al centro Sadr, gamma Cyg, circondata dalle nebulosità rosse di IC1318).
Stacking con 9 light frames, 13 bias, 10 dark effettuato con DeepSkyStacker.
Inseguimento siderale con Minitrack LX per scatti singoli da 60" @ F2
Scatti effettuati dalla riva del lago di Braies
Another showpiece spiral, also known as NGC 3031 or Bode's Galaxy, in Ursa Major.
40 x 2-minute exposures, ISO 3200, f/4 (frames taken 25 March 2020); plus 7 x 5-minute, f/4, ISO 1600 (older frames, from November 2013). Modified EOS 600D & Revelation 12" Newtonian f/4 reflector telescope.
Frames registered and stacked in DeepSkyStacker software; curves adjusted in Canon Photo Professional; noise reduction in CyberLink PhotoDirector.
The sky was clear last night so I pointed the 'scope at a ghost -- that's what Halloween is all about. This is the Ghost of Cassiopeia through an Ha filter. I collected about 8 hr of data last night and added it to Ha data collected in 2022. I had 17 hr of data in total and the image was made from the best 12 hr, as rated by DeepSkyStacker.
IC 59 is the upper-left part of the dust cloud, IC 63 is the "ghost" in the middle, and the lower lump/bump doesn't have a name, so I think we should call it IC Nothing. Below are a few fun facts about this little grouping.
IC 59 and IC 63 are a combination of faint, arc-shaped emission and reflection nebulae, located about 600 light-years away in the constellation Cassiopeia. Together they are approximately 10 light-years across. IC 63 is known as the Ghost of Cassiopeia.
The brightest star in the image is Gamma Cassiopeiae, which is 19 times more massive, 65,000 times brighter, and spins 200 times faster than our sun. The radiation from Gamma Cass is so intense that it affects the IC 63/59 gas/dust cloud several light years away.
Rio Rancho NM Bortle 5 zone, Months and months
William Optics Redcat 51
ZWO 183mm pro
ZWO 30mm f/4 mini guide scope and ZWO 120 Mini
Optolong Ha filter
ZWO ASI Air Pro
Sky-Watcher HEQ5
Dithering Darks Flats GraXpert
Gain 111 at -10C
Processed in DSS and PS
Another old favourite of the Spring sky. I've had to crop this far more than I'd like, though, as the photo edges looked awful due to coma and tilt (both of which bloat and mis-shape the stars).
22 x 1-minute exposures, ISO 3200, f/4. Modified EOS 600D & Revelation 12" Newtonian f/4 reflector telescope.
Frames registered and stacked in DeepSkyStacker software; curves adjusted in Canon Photo Professional; noise reduction in CyberLink PhotoDirector.