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The Rosette Nebula (also known as Caldwell 49 or Sharpless 275) is a large spherical ionized atomic hydrogen region (H II region) that is circular in appearance and located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter (from Wikipedia). The nebula is about 5,200 light-years away and spans nearly 65 light-years. This version has been processed using the Hubble Palette and the stars have been removed from the image..
Observation data: J2000.0 epoch
Right ascension: 06h 33m 45s
Declination: +04° 59′ 54″
Distance: 5,200 ly
Apparent magnitude (V): 9.0
Apparent dimensions (V): 1.3 °
Constellation: Monoceros
Tech Specs: Williams Optics Redcat 51 Telescope, ZWO ASI071MC camera running at -10F, total capture 5 hours and 30 minutes using 300-second exposures, Optolong L-eXtreme 2” filter, Sky-Watcher EQ6R-Pro mount, ZWO EAF and ASIAir Pro, processed in DSS and PixInsight. Image Date: February 4, 2024. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
4 hours integration on a small group of galaxies about 35 million light-years away known as the Leo Triplet. M65 M66 and NGC3628.
All data captured from my Bortle scale 5 garden in South Cambridgeshire, using a small refracting telescope and a modified Canon DSLR camera.
This was a touch image to process but I'm reasonably happy with the end result.
Comments welcome, thanks, Ed
Acquisition Equipment
Camera - CANON EOS 60D (Mod)
Filter - Astronomik CLS-CCD EOS Clip
Telescope - SkyWatcher 80ED
Reducer/Flattener - 0.85x
Focal Length - 510mm
F Ratio - F6.3
Mount - Celestron CG-5 Adv GT GEM
Guide Scope - Celestron 9x50
Guide Camera - QHY 5 Mono
Image Capture
81 x 180 sec = 4Hrs 3Mins
150 x Dark frames
200 x Bias frames
150 x Flat frames
150 x Dark Flat frames
Acquisition Software
Capture/Sequence - N.I.N.A.
Plate Solving - ASTAP
Guiding - PHD2
Planetarium - Stellarium
Processing Software
Stacking - DeepSkyStacker
Post - Adobe Photoshop / Bridge / Camera Raw / StarNet++
Links
Taken with a TMB92L, Canon T3i DSLR, and Celestron CG-4 mount. Consists of 38 light and 29 dark frames, each a 35-second exposure at ISO 800, stacked in DeepSkyStacker and processed in Photoshop.
A guided image of the Silver Sliver Galaxy (NGC891) in Andromeda taken using a ZWOASI183MC Pro camera in a 6-inch f/4 reflecting astrograph telescope. 60 ninety second images were captured using SharpCap and processed with DeepSkyStacker and Adobe Lightroom.
Taken at 2018. DEC. 31
www.flickr.com/photos/ikjunerd/46551923751/
Star removing tools:
- Star-mask of DeepSkyStacker
- Adobe Photoshop (Spot Healing Brush Tool)
View M42 - The Orion Nebula on Black
View M42 - The Orion Nebula Map/EXIF
Nikon D7100 + 400mm f/2.8 @ 550 mm - 120.0 sec at f/5.6, ISO 800
Manual mode @ -1/3 EV E.C - Pattern metering - no flash
Subject Distance: unknown
Another one from Long Beach while the skies held and the Moon was just below the horizon.
Fun fact: M42 is around 1,300 light years away, making it the closest massive star formation to earth. That's probably why it's so damn bright :).
Exposure time was 50 minutes, 25x120s @ ISO800 with the 400/2.8 + 1.4x TCII on a Nikon D7100 for an approximate focal length of 550mm (825mm in 35mm terms).
Post-exposure, I took 58 minutes of dark frames, which were then integrated in DeepSkyStacker and processed in PixInsight and Lightroom 5.
46°29'30" N 124°3'28" W, -29.5 ft
Long Beach
Ocean Park, Washington, United States
Taken on 11.23.2013, uploaded on 12.02.2013.
©2013 Adam James Steenwyk. Please contact me at ajamess [at] gmail [dot] com if you would like to use this photo. Blog: www.f128.info
with lot of light pollution but I did it !
4 photos (20s at F3.5 and ISO 1250) stacked in DeepSkyStacker , then worked in Lightroom and Photoshop
My Facebook page: www.facebook.com/AlexandreDPhotographies
NGC 7331, also known as Caldwell 30, is an unbarred spiral galaxy about 40 million light-years (12 Mpc) away in the constellation Pegasus. It was discovered by William Herschel in 1784. NGC 7331 is the brightest galaxy in the field of a visual grouping known as the NGC 7331 Group of galaxies. The other members of the group are the lenticular or unbarred spirals NGC 7335 and 7336, the barred spiral galaxy NGC 7337 and the elliptical galaxy NGC 7340. These galaxies lie far in the background at distances of approximately 332, 365, 348 and 294 million light years, respectively.
Telescope : T120 (www.obs-hp.fr/guide/t120.shtml)
Camera : Andor iKon-L 936 (www.obs-hp.fr/guide/camera-120/camera-120.shtml)
Filters : UBVRI Filter Set (www.obs-hp.fr/guide/camera-120/ubvri.shtml)
Acquisition :
Lights : RGB, total ~15min
Darks : no darks
Flats : 25 flats for each color
Bias : 25
Software :
Pre-processing : DeepSkyStacker
Processing : Siril, Pixinsight
Post-processing : Lightroom, Photoshop
Target:NGC 2237 Rosette Nebula, an HII region in the constellation on Monoceros at 5200 light years distance.
Location:27/02/21, 28/02/21 and 01/03/21 from St Helens UK Bortle 8 with 99% Moon.
Aquisition:56x 180s Ha, 60x 180s (OIII), 59x 180s (SII). Total integration 8 hours 45 min.
Equipment:Imaging: Skywatcher Esprit 100ED, HEQ5 Pro, ZWO ASI1600MM Pro, EFWmini, Baader narrowband filters.
Guiding: Skywatcher 9x50 Finder, ZWO ASI120MM.
Software:Aquisition: NINA, PHD2, EQMOD.
Processing: DeepSkyStacker, Photoshop, Siril, Starnet++.
Memories:99% moon on 27/02/21 so conentrated on Ha and (SII) data. Better separation from 97% moon on 28/02/21 so included (OIII) though air quality was poor with smoke hanging in the air. Better on 01/03/21 until the clouds rolled in. Ambient temp 6c.
M1 the Crab nebula
Supernova remnant
Ocala, FL
Taken 1.22.11, 1.23.11 and 11/19/2011
Constellation: Taurus
6,500 light years distant
Combination of 360 second exposures and 480 second exposures stacked in DeepSkyStacker and processed in PhotoShop CS5 for a total integration time of 5 hours and 20min.
Astro-Tech 6" Richey-Chretien
Orion 50mm guide scope with SSAG
Canon T1i (modded)
Losmandy G11 with Gemini II
Hutech IDAS Light Pollution Suppression (LPS) Filter
Shot on the evening of 15th April from Old Winchester Hill, Hampshire, England. 19 light frames with darks and bias too. You can see that it was 19 shots to the right of Venus, presumably a satellite shown in stop motion! Shot with an old Sigma 70-210 f2.8 (at the 210 end) which has not been chipped so can only be shot wide open.
Explored 16/4/15
7791 views in one day 17/4/15!
I wanted to see how far a smartphone capable of doing long exposures (32 s), manual focus and saving RAW files could take you for acquiring widefield images. No tracking, just a simple (rather flimsy) tripod with a smartphone clamp.
I think it turned out rather well, considering that this was by no means high-end equipment! So if you would like to take Milky Way photos, but don't have expensive astrophotography gear (or not even a DSLR camera), just try what your phone can do!
Images acquired on August 31, 2021 in Byala, Bulgaria at the Black Sea coast, looking south. Decent sky at zenith, but lots of light pollution on the horizon.
Details:
Camera: bq Aquaris X pro, 4mm f/1.8, ISO 3200, 32s exposure
15 lightframes, 7 darks, 10 flats, no offset
no filters, no tracking
stacking in DeepSkyStacker (1 round tracking the stars, 1 round only stacking the foregeround)
post-processing: Aurora HDR 2018 (adjustments), Luminar 2018 (composing sky and foreground), Photoshop (fine tuning, cosmetics of partly noisy foreground)
The Orion Nebula is a diffuse nebula situated in the Milky Way, being south of Orion's Belt in the constellation of Orion. It is one of the brightest nebulae, and is visible to the naked eye in the night sky. M42 is located at a distance of 1,344 ± 20 light years and is the closest region of massive star formation to Earth. The M42 nebula is estimated to be 24 light years across.
The Orion Nebula is one of the most scrutinized and photographed objects in the night sky and is among the most intensely studied celestial features. The nebula has revealed much about the process of how stars and planetary systems are formed from collapsing clouds of gas and dust.
Quick word :
This is the second version of data acquired in early 2020. I selected only the best subs, and stacked them using a different method than previously in DSS.
Color calibration and background green noise removal with Siril, background extraction, HDR process and noise reduction with Pixinsight.
Final tweaks and export with Photoshop.
Details :
Date and location : Early 2020, Champ du Feu, France (bortle 3)
Equipement :
Mount : Sky-Watcher HEQ5 Pro GoTo
Scope : Sky-Watcher Evostar 72ED with OVL Field Flattener
Autoguiding : ZWO ASI 120MM-Mini + 60/280 Guidescope
Camera : Nikon D3300 Astrodon
Filter : Explore Scientific 2" CLS
Acquisition :
Lights : 50x180" + 15x120" + 15x90", total 3h30
Darks : no darks
Flats : 2x30 flats
Bias : 125
Software :
Integration : Kstars, Ekos on Raspberry Pi 4
Pre-processing : DeepSkyStacker
Processing : Siril, Pixinsight
Post-processing : Photoshop
Telescopi o obiettivi di acquisizione: Orion Mini Guidescope
Camere di acquisizione: SVBONY SV305
Montature: Celestron SLT
Software: DeepSkyStacker · ASTROSURFACE · PixInsight 1.8 Ripley Pisinsight 1.8 · photoshop
Date:11 Febbraio 2021
Pose: 189x15"
Integrazione: 0.8 ore
Giorno lunare medio: 29.25 giorni
Fase lunare media: 0.09%
A picture of the Blackeye Galaxy (M64) in Coma Berenices over Monticello taken with a ZWOASI183 MC Pro camera attached to a six inch f/4 reflecting telescope. A set of forty six 90 second individual images were captured using SharpCap, stacked with DeepSkyStacker, and processed with Gimp, Adobe Lightroom, and Topaz AI.
Target:NGC 7380 Wizard Nebula open cluster surrounded by emission nebulosity in the constellation of Cepheus at about 8500 light years from Earth.
Location:24/12/2020 from St Helens UK, Bortle 8, 78% Moon.
Aquisition:20x 180 sec each Ha, (OIII), (SII).
Equipment:Imaging: Skywatcher Esprit 100ED, HEQ5 Pro, ZWO ASI1600MM Pro, EFW, Baader-Planetarium narrowband filters.
Guiding: Skywatcher 9x50 Finderscope with ZWO ASI120MM.
Software:Capture: NINA, PHD2
Processing: DeepSkyStacker, Siril, Starnet++, Photoshop.
Memories:A magical Christmas Eve, calm and clear all night allowing imaging on three targets between 5:45PM and 5:00AM.
On January 23, 2022, we've had a rare clear and calm night, so I tried my luck at the Pleiades cluster (M45) with the TAIR-3S (300 mm f/4.5, stopped down to f/5.6) on the Star Adventurer tracker. This is my longest exposure of any object so far, totaling out just short of 1:15 hours (I'm still a beginner after all). Polar alignment worked out really nice this time, and I think I'm also slowly better at minimizing chromatic aberration. I like how I was able to already bring out quite some part of the reflection nebulae, and how diffraction at the aperture blades of the lens makes the iconic "seven sisters" stand out.
However, now I'm running into new problems, namely a rather ugly, stripey background after stacking; probably some fixed-pattern or "walking" noise, which amplifies due to the good polar alignment (i.e., practically no declination drift) with simultaneous RA tracking jitter of the mount. Ah well... probably means I have to open a new can of worms and get into dithering now (this is going to be fun with a non-motorized declination axis...). Still managed to get rid of the worst of the striping during post-processing, also since the stripes were rather regular and well aligned along the RA direction.
EXIF:
Lens: TAIR-3S 300 mm f/4.5, stopped down to f/5.6
Camera: Samsung NX30 APS-C, unmodified
Filter: Rollei Astroklar light pollution filter
Acquisition:
147 x 30 s (1:13:30) @ ISO 3200
100 darks, 25 flats, 15 flat-darks, no bias/offset frames
(I actually tried bias/offset calibration, but had the impression it rather made the image quality worse, so I kicked the frames out again)
Stacking: Deep Sky Stacker
Post-processing: fitswork
final touches: Aurora HDR 2018, Luminar 2018
The Starfish Cluster (M38) in the center and NGC 1907 on the upper right. Both are open star clusters in Auriga. An unguided image taken last night over Monticello, NY through a Canon 400mm f/5.6 L lens using a Canon 7D MKII dslr camera on a Celestron AVX mount. Thirty 30 second images, eight dark frames, and fifteen bias frames were stacked using DeepSkyStacker, then enhanced with Adobe Lightroom and Photoshop Elements.
Ambas feitas com 8 lights + 8 darks e 8 bias, empilhados no Deep Sky Stacker. Utilizei a t3i e a 24mm, com ISO 1600, f/ 2.8 e exp de 15 e 20seg.
This dark nebula resides in the constellation Ophiuchus and resembles the shape of a smoking pipe (pretty sure they named this one in the '60s).
It features a prominent lane of dark dust obscuring the countless stars behind it.
This deep-sky object is visible to the naked eye under pristine, dark sky conditions (use binoculars for the best view)!
I took this photo using my portable astrophotography setup from the southern hemisphere - where it gets much higher in the sky than it does from home!
Equipment Used:
Camera: amzn.to/3Wtt1rt (modified)
Telescope/Lens: bit.ly/46pr1Uf
Tracker: bit.ly/3xNnEcI
Image Details:
40 x 60 seconds at ISO 3200
DeepSkyStacker, Photoshop, PixInsight
The Milky Way's sibling looked really pretty this morning. Autumnal air made for good observing conditions. Photographed from Huntsville, AL.
I'm actually pleased as I can be with this image. It is the culmination of a lot of trial and error,and some (possibly unreproducible) experimentation with post processing.
The field flattener, better focus and longer exposures at lower ISO yielded a nicer image, by far my best to date.
Best 9 of 10 images stacked with DeepSkyStacker.
ISO 400
Exposure 90 seconds.
Prime focus through an Explore Scientific 80mm APO ED refractor.
Canon T3i, unmodded
Celestron Advanced VX equatorial mount.
Dark frames and light frames only.
Never done this one before for some reason, and it's quite bright up there in Orion. And it does look remarkably like a monkey head, it has to be said. This is 25 x 300 sec subs. Looks better in hubble, and I'll do that one day :)
If we get many more clear nights I'm going to run out of targets. Not complaining of course! :)
Skywatcher 72ED apo with field flattener,SX Trius 694/filterwheel/OAG (Lodestar) riding on CEM60.
Six 10 minute subframes captured through Ha and OIII filters,stacked in Deepskystacker and colour combined (Ha,OIII,OIII) in Maxim DL4. Processed in Astroart 8 and PS CS2.
Taken 31/10/21
Taken with a TMB92L, Canon T3i DSLR, Orion SSAG autoguider and 50mm guidescope, and Celestron AVX mount. Consists of 35 120-second light frames and 35 120-second dark frames, all at ISO 800, as well as 20 flat and 50 bias frames. Captured with BackyardEOS, stacked in DeepSkyStacker, and processed in Photoshop.
Still practicing with my new SCT and focuser. I had horrible coma in my first image, but I went a long way towards fixing the collimation with this one. Still needs better collimation though, so that'll be my next step.
49 × 120s Lights
20 × 120s Darks
20 × 1/8000s Bias
20 × Flats
Celestron CG-11 SCT
f/6.3 FR
G11 Mount
Orion Starshoot AG
BackyardEOS
PHD
DeepSkyStacker
Canon 5D Mark II
A guided image of the spiral galaxy NGC 2403 in Camelopardalis taken last in Monticello with a ZWOASI183 Pro camera attached to an Explore Scientific 102ED refracting telescope with a .8 focal reducer. 40 three minute exposures were stacked with DeepSkyStacker and processed with Adobe Lightroom and Topaz AI.
OTA: Sigma Art 135mm, @f/2.8
Camera: ZWO ASI1600MM
Exposure: Ha 6x10min, Oiii 10x10min, synthetic green
Filters: Baader CMOS-Optimized Ultra-Narrowband
Mount: CEM70G
Captured with SGP
Registered and stacked with DeepSkyStacker
Photographed from Round Rock TX (light pollution zone: red)
Using a Minolta MC Rokkor 135mm F2.8; 25 frames with 8 darks stacked in DeepSkyStacker. Each frame F2.8 / ISO1600 / 4s
Not my favourite subject, but not a lot up there at the moment, and we had a couple of clear nights :)
Five sessions between 1-29 April 2013 - total 10 hours 38 minutes. I don't think giving the total exposure is of much help to anyone really, as the result depends on so many factors, not least the quality of your skies (pretty low in my case). But it at least demonstrates how much effort has been expended :)
And the stars are almost round :)
SW ED80/EQ5
Nikon D70 modded, Baader Neodymium filter
159 subs, 3-6 mins, iso 800, total 10 hours 40 minutes
Guiding: Quickcam Pro4000/9x50 finderscope, PHD
Stacked in DSS (2 x drizzle) and processed in CS5.
Knife Edge galaxy.
Sometimes referred to as the Silver Needle galaxy. Though this can get confusing as NGC 4244 also carries this nickname. You can find NGC 5907 in the constellation of Draco, as William Herschel did way back in 1788 for the first time.
At a mere 50 million light years distance NGC 5907 is the home of the groundbreaking pulsar NGC 5907 X-1. www.esa.int/Science_Exploration/Space_Science/The_brighte...
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 -20c gain 100, Optolong L'enhance 2" filter, ZWO asiair plus.
120s exposures.
Best 70% of 45 light frames.
Darks, Flats & Bias.
Stacked with DeepSkyStacker and processed in StarTools
I already was all too happy to bring out the reflection nebulae in M45 for the first time recently, after a long period with lousy weather. Then good luck struck twice, allowing me to double my exposure time, and also to reduce the walking noise in the stacked image I experienced the first time by some manual DEC dithering fun. Quite some work, but the things you do for pretty pictures... (on top of freezing and lack of sleep of course, heh).
Indeed spending that extra work gave a huge boost to the final image quality, and I also think I hit the spot better with post-processing this time around.
So what you see here are a total of 2.5 hours of exposure with the TAIR 3S (@ f/5,6) over two nights, after discarding some subs that suffered from either tracking errors or gusts of wind (but with overall good success rate).
EXIF:
Camera: Samsung NX 30 (unmodified)
Lens: TAIR-3S 300 mm f/4,5 (stopped down to f/5.6)
Exposure: 300 x 30 s @ ISO 3200
Processing: stacking with Deep Sky Stacker, initial processing with Fitswork, touch-up and cosmetics with Aurora HDR 2018 and Luminar 2018.
NGC 6946, (also known as the Fireworks Galaxy, Arp 29, and Caldwell 12), is an intermediate spiral galaxy about 18 million light-years away, in the constellations Cepheus and Cygnus. It was discovered by William Herschel on September 9, 1798. NGC 6946 is highly obscured by interstellar matter of the Milky Way galaxy, as it is quite close to the galactic plane. The diameter of the galaxy is approximately 40,000 light-years or just about a third of the size of the Milky Way.
Tech Specs: Meade 12” LX-90 SCT Telescope, Antares Focal Reducer, ZWO ASI2600MC camera running at 0F, 108 x 60 seconds, Celestron CGX-L pier mounted, ZWO EAF and ASIAir Pro, processed in DSS and PixInsight. Image Date: July 29, 2025. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
⇒ This wide-field image was taken with a telephoto lens set to 147 mm focal length on a motorized equatorial mount.
⇒ The total exposure time is 40 minutes, composed of a superposition of 20 pictures 120 seconds using the #DeepSkyStacker software.
⇒ This area of the sky is rich in nebulae. Besides, in this picture we can see (click on the high resolution image):
-> The famous Orion Nebula (M42) on the top left with its neighbor NGC 1973
-> Nebula Horse Head (IC 434)
-> Flame Nebula (NGC 2024)
-> Nebula M78
Technical details:
20 x 120 secs exposure time
F / 6.3 aperture
ISO 1600
147 mm focal length
Canon EOS 600D + Tamron 70-300 lens
Light enhancement with Lightroom software.
How do you find it ?
*********************/ French Translation \**************
Voyage dans le complexe d'Orion [Astrophotographie]
⇒ Cette image grand champ a été prise avec un téléobjectif réglé à 147 mm de focale sur une monture équatoriale motorisée.
⇒ Le temps d'exposition total est de 40 minutes mais il a été décomposée en une superposition de 20 photos de 120 secondes à l'aide du logiciel #DeepSkyStacker .
⇒ Cette région du ciel est très riche en nébuleuses. D'ailleurs, sur cette image nous pouvons voir (cliquez sur l'image haute résolution) :
--> la célèbre nébuleuse d'Orion (M42) en haut à gauche avec sa voisine NGC 1973
--> la nébuleuse de la tête de cheval (IC 434)
--> la nébuleuse de la flamme (NGC 2024)
--> la nébuleuse M78
Détails techniques :
20 x 120 secs d'exposition
F/6.3 d'ouverture
ISO 1600
147 mm de focale
Canon EOS 600D
There are a few stars in this image, but most of the faint fuzzy blobs are part of a supercluster of galaxies about 1 billion light years away.
62 x 1-minute unguided exposures at ISO 6400. Modified EOS 600D & Revelation 12" f/4 Newtonian reflector telescope.
Frames registered and stacked in DeepSkyStacker software; curves adjusted in Canon Photo Professional; noise reduction in CyberLink PhotoDirector.
OTA: Sigma ART 135mm @ f/2.8
Camera: ZWO ASI1600MM
Exposure: H-alpha 14x5min, O3 12x5min
Mount: CEM70G
Unguided
Captured with SGP
Registered and stacked with DeepSkyStacker
Photographed from Round Rock TX (light pollution zone: red)
M106 In the constellation of Canes Venatici.
M: iOptron EQ45-Pro
T: William Optics GTF81
C: ZWO ASI1600MC-Cooled
F: No Filters
G: PHD2
GC: ZWO ASI120mini
RAW16; FITs
Temp: -15 DegC
Gain 139;
3 x Exp 300s
12 x Exp 500s
Frames: 15 Lights; 2 Darks; 200 flats
90% Crop
Capture: SharpCap
Processed: DSS; PS; Grad Exterminator.
Sky: 100% Full Moon, calm, minimal cloud, cold, excellent seeing.
22-25 million light years distant.
The Ring Nebula (also cataloged as Messier 57, M57 and NGC 6720) is a planetary nebula in the northern constellation of Lyra. The tiny white dot in the center of the nebula is the star’s hot core, called a white dwarf. M57 is about 2,000 light-years away in the constellation Lyra.
Right ascension: 18h 53m 35.079s
Declination: +33° 01′ 45.03″
Distance: 2567±115 ly
Apparent magnitude (V): 8.8
Apparent dimensions (V): 230″ × 230″
Constellation: Lyra
Tech Specs: Meade 12” LX-90 SCT Telescope, Antares Focal Reducer, ZWO ASI2600MC camera running at 0F, 3 hours 43 minutes using 60 second exposures, Celestron CGX-L pier mounted, ZWO EAF and ASIAir Pro, processed in DSS and PixInsight. Image Date: July 5, 2025. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
I decided to have a go at shooting Andromeda without any tracking device after watching Forrest Tanaka youtube tutorial.
www.youtube.com/watch?v=e0JSTF8SGi4
Camera Nikon D7100
Lens Nikon AFS 300mm F4
400 Frames x 1.3s F4 ISO 6400
50 Dark Frames x 1.3s F4 ISO 6400
20 Bias Frames x 1/8000s F4 ISO 6400
Stacked in Deepskystacker
Processed in Photoshop.
Messier 92 (also known as M92, M 92, or NGC 6341) is a globular cluster of stars in the northern constellation of Hercules. Located 27,000 light-years from Earth in the constellation Hercules, this globular cluster was first discovered by the German astronomer Johann Elert Bode in 1777. With an apparent magnitude of 6.3, M92 is one of the brightest globular clusters in the Milky Way and is visible to the naked eye under good observing conditions. It can be most easily spotted during the month of July. The cluster is very tightly packed with stars, containing roughly 330,000 stars in total. (REF: science.nasa.gov/mission/hubble/science/explore-the-night...)
Tech Specs: Orion 8” RC Telescope, ZWO ASI2600MC camera running at 0F, 115 x 60 second exposures, Celestron CGEM-DX pier mounted, ZWO EAF and ASIAir Pro, processed in DeepSkyStacker and PixInsight software. Image Date: May 2, 2024. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
Astro beginner, removed 2 frames with trailing stars, Orions Belt, with flame and horse head nebula taken 22-2-2021. 70 lights (images) & 15 dark's stacked in Deep Sky Stacker & post processed in Photoshop.
Eta Ursae Majoris (Alkaid or Benetnash) is a star in the constellation Ursa Major. Alkaid is the eastern star in the Big Dipper asterism (the handle edge star).
Magnitude: 1.84, Surface Temperature: 16,820 K, Mass: 6.1 Solar mass, Apparent magnitude: 1.84
This image of Alkaid is composed of four 30-second exposures. I used a Canon 6D and 400mm lens attached to an iOptron ZEQ mount. Diffraction spikes added using fishing line on the front of the lens. Stacked in DeepSkyStacker, stretched in ImagesPlus and final image edit done in Corel Paintshop Pro.
You can follow my blog at leisurelyscientist.com
Takahashi TOA-130NFB
Nikon D810A
Paramount MX
10x180" ISO1600
18x360" ISO1600
DeepSkyStacker, Photoshop CC
2015/11/10 合歡山
From the Eagle and Omega nebulae at left, via Trifid and Lagoon to NGC6357 (Madokami?) and Cat's Paw Nebulae. The upper right corner of this image was at only 11 degrees above the horizon here in Portugal. This is the B panel used for a mosaic. Primalucelab Canon 700Da Cooled to -10 C with CanonSmall 40mm pancake lens (f2.8 @ f4.0) 61x60sec iso1600 40mm f4 30D 20F 140B. Stacked in DeepSkyStacker and processed with Pixinsight.
Knight Observatory, Tomar
Combinaison dans Deepskystacker des deux sessions des 21 (www.flickr.com/photos/achrntatrps/27732771798/in/album-72...) et 22 (www.flickr.com/photos/achrntatrps/27897011018/in/album-72...) avril. 2 heures de pose environ.
Pour le matériel utilisé, voir sous les images en lien.
When I took out our garbage tonight, I saw the moon high above. So I took a series of shots handheld with my camera. I then looked for a stacking software for astrophotography. I found this freeware called DeepSkyStacker. You could do something pretty advanced. I played around with the tool and filtered out those frames that were slightly blurry. I then used Topaz AI Sharpen to refine the focus of the image. This is the end result. If view closer, you might see some artifacts. But at least you could probably name a few craters on the surface of the moon.
Camera: Sony A6300
Lens: Sony E 70-350mm F4.5-6.3 G OSS
- www.kevin-palmer.com - It was my first time testing out a Nikon 50mm f1.4 Nikkor AF-D lens that I recently bought. This image is a stack of 15 6-minute exposures (90 minutes total) along with 5 dark and bias frames. An iOptron Skytracker was used to track the stars.
The Cygnus region of the milky way contains many colorful nebulae, star clusters, and clouds of interstellar dust. When there are this many stars it's always hard to pick out the constellations, so I drew in the lines myself. Deneb is the bright star on the upper right near the North America nebula.