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M13, also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster, is a globular cluster of about 300,000 stars in the constellation of Hercules. Imaged using Atik 16IC-S monochrome CCD and William Optics FLT-110 mounted on NEQ6 Pro. 30 light frames ranging from 60 seconds to 600 seconds, no darks. Stacked in DeepSkyStacker, using the best 80% of frames.
The Rosette Nebula aka Caldwell 49. The open cluster in the middle is designated NGC 2244 aka Caldwell 50.
Difficult one this. Fainter than I expected, and was beset with the most horrendous gradient that was difficult to remove without destroying the nebulosity. Not entirely sure the focus is as good as it could be either :)
Cloud forecast for tonight, so I can get some kip! ;)
200p/EQ5 unguided
Nikon D70 modded, iso1600, Baader Neodymium Filter
120 x 60 seconds
Darks, flats and bias
Stacked and processed in DSS and CS5, with help from Noel's Tools
Wide-field image of the central section of the Constellation of Orion. The emission & dark nebula visible in the image include The Great Nebula in Orion (M42), De Mairan's Nebula (M43), The Flame Nebula (NGC 2024) and, just visible, the Horsehead Nebula (B33). They form part of the large Orion Molecular Cloud Complex, an area of active star formation located approximately 1500 light years from Earth.
Exposure: 20 x 30s exposures @ ISO1600 equiv. Darks & bias/offset, no flats.
Camera: Canon EOS 60Da
Lens: EF 70-200mm 1:4 L USM @ f/4.5. 131mm (x1.6).
Filters: None
Mount: Piggy-backed on 8" Meade LX10.
Guiding: None
RAW images stacked in DeepSkyStacker, processed in GIMP2.8.0 & PSPx5.
314L with Ha filter attached to a Tamron 70-200 zoom lens set at 135mm and piggybacked to the main scope. Orion nebula overexposed so as to bring out the surrounding nebulous region. 6 subs at 10 minutes each stacked in
Deepskystacker and processed in StarTools and Photoshop.
Image taken early hours of 03/01/17
Since I wanted to take picture at 800mm, there of course was no practical way to fit both the comet and clusters in a single photo. So, I took a huge risk and made my first mosaic. Two exposure sets with both at 25X100". SN-8 OTA at f4, CanonXT, Atlas EQ-G, DeepSkyStacker, Photoshop levels, curves and synthetic flats, guided with Orion SSAG and piggybacked SVR70ED.
This astrophotograph is the result of a superimposition of 20 images taken with a Canon T3i equipped with a 50 mm at f/1.8 : ISO 1600, 13 x 20 seconds
No tracking mount, just a tripod.
DeepSkyStacker and lightroom were used (but only JPEG editing)
Lens: Tamron 80-210 mm(210 mm), f/4.0. ISO400. 60s exposures, total 50 minutes.
DigiCamControl, DeepSkyStacker, Adobe Camera Raw, Adobe Photoshop CS6.
Object Details: Messier 108 (NGC 3556) is also known as 'The Surfboard Galaxy' due to it's edge-on orientation and it's the lack of both a central bulge and a distinct core). It lies approximately 46 million light-years from Earth and although it does not have well defined spiral arms, it is classified as a barred spiral whose arms are loosely wound.
Like many galaxies, including our own, it harbors a central supermassive black hole, which in it's case contains 24 million solar masses. Multiple x-ray sources have also been detected in M108, at least one of which is suspected to be an active intermediate mass black hole.
Visible in a small scope as an elongated sliver of light, larger instruments bring out detail in it's the mottled appearance of it's multiple dust lanes. Glowing at 10th magnitude it can be found in the constellation of Ursa Major and lies in the same wide-angle view with the Owl Nebula (I happen to have shot that wide-angle view simultaneous to shooting this "close-up' image of M108 and the previously posted on of the Owl Nebula (linked here: www.flickr.com/photos/homcavobservatory/40801122653/ ).
A composite showing both objects an be found at the link attached here: www.flickr.com/photos/homcavobservatory/48892418878/
Image Details: The attached was taken by Jay Edwards at the HomCav Observatory on the evening of March 27, 2019 using an 8-inch, f/7 Criterion newtonian reflector and a Canon 700D DSLR tracked on a Losmandy G-11 mount running a Gemini 2 control system. This in turn was guided using PHD2 to control a ZWO ASI290MC planetary camera / auto-guider in an 80mm f/6 Celestron 'short-tube' refractor.
Shot at ISO 1600, it is a stack of only 32 one-minute exposures (not including darks, flats & bias frames). Although due to the relatively short exposure used, it contains a much higher level of noise than I would prefer, since it was the first time I've imaged this object using this scope, I was encouraged by the result and look forward to trying a deeper exposure when it once again rotates into view. In the meantime I'm looking forward to processing the wide-angle shots taken simultaneously using an identical camera and an 80 mm apo.
Stacked in DeepSkyStacker and processed using PixInsight and PaintShopPro, as presented here it has been cropped slightly, re-sized down to HD resolution and the bit depth has been lowered to 8 bits per channel.
Nikon D3100 - Nikon NIKKOR-H Auto 50mm f/2 @ f2 / f2,8 / f4
Procesado con DeepSkyStacker + Adobe Photoshop CS6
18' de exposición (2 lights).
12 subs of 300secs each which were captured using Canon 135mm f/2 lens (stopped down to 2.8) attached via a Geoptik adapter to a SX Trius 694 mono CCD were stacked in Deepskystacker and processed in Photoshop CS2.
Taken 05/01/22
Shotdate: 13 march 2015
Camera: Nikon D4s
Optics: Celestron 9.25" EdgeHD
Guiding: LVI SmartGuider 2 on 500mm f90mm
Exposure: 300 seconds
ISO-speed: 3200 ISO
Frames: 53 light, 50 bias, 26 dark and 32 flat
Stacking in DeepSkyStacker and post-processing in PixInsight
Used my Meade 8" f4 Schmidt Newtonian and Atik 314L with narrowband filters to capture a sequence of 6x5min Ha,6x5min SII and 7x5min OIII. Stacked each set in Deepskystacker and colour combined (Hubble palette) in Maxim DL 4,final processing using Photoshop, Image taken earley hours of 14/10/15
Andromeda Galaxy (M31, M32, M110)
Date: 09-26-2014
Telescope (Lens): Orion 8in f/3.9 Newtonian Astrograph
Addition Optics: Baader Planetarium RCC1 Coma Corrector
Camera: Canon XSi
Exposures: 25 x 300 sec (ISO 800)
Processing: DeepSkyStacker, Photoshop
Mount: Atlas EQ-G
Tracking: EQMOD / Stellarium / PHD Guiding
Guidance Camera: Logitech 3000 Pro
Guidance Scope: Celestron 9x50 Finder
Astromomy weather as forcasted by Canadian Meteorological Center:
Cloud Cover: Clear
Transparancy: Above Average
Seeing Category: III (Average)
Temp: 65°F
Humidity: 75°
Light Pollution: "Yellow" - Based on Light Pollution Map
Moon, illuminated 59.9%, in conjunction with Pleiades, with slightly hazy sky; images taken on tripod at Melegnano, Lombardy, Italy.
Pleiades (30 images)
Exposure Time : 1/5 s
ISO : 3200
Moon (2 images)
Exposure Time 1 : 1/40 s
Exposure Time 2 : 1/200 s
ISO : 400
Camera Model Name : SONY ILCE-7RM4
Lens Model : SONY FE 100-400mm F4.5-5.6 GM OSS + 1.4X Teleconverter
Exposure Program : Manual
F Number : 8.0
Focal Length : 483.0 mm
Date/Time Original : 2023:09:06 00:26:20 UTC+02:00
Coordinates : 45.3591505 N, 9.3197281 E
Software : Sony Edit 3.6.00.01200+DeepSkyStacker 5.1.3+Gimp 2.10.34
NGC 7000North America Nebula - Cygnus Wall
The North America Nebula is an emission nebula in the constellation Cygnus.
Distance to Earth - 2,202 light years
As we are experiencing a big change in North America right now, I thought I would take a deep sky image of the North America Nebula, concentrating on the Cygnus Wall. It's only slightly bigger than the one Trump was planning to build on the north Mexico border!
I don’t think my image is quite as important as the change currently happening 'over the pond' but I thought it would be fairly topical.
This is my first image in 7 long years, as I look to immerse myself back in the world of astrophotography. I have missed the beauty and awe of this hobby, but I have not missed it's frustrations. It's a challenging and deeply technical pursuit at the best of times, with absolutely zero tolerance for mistakes. Also, having a beautiful 10 month old little girl doesn't facilitate many long cold nights, sat in the garden on my own...
This is a 7.5 hour image from 151 integrated, 180 second sub frames taken over 2 nights in my cold and slightly cloudy back garden. A 98% moon didn't help on the first night, but I'm jumping back on the steep learning curve of astrophotography and I might as well start as I mean to go on. Difficult but rewarding times ahead.
I'm very happy with this first image after many years out of the hobby and I am aiming to keep going strong. Hopefully I can get some nice captures overs the next few months, weather permitting...
There are some problems with the stars in this image that I struggled to deal with in post-processing, any constructive criticism is always welcome.
I have also turned this image in to a 'starless' version using StarNet++ which I will post separately in the near future.
Cheers everyone and clear skies!!
Acquisition Equipment
Camera - CANON EOS 60D - Modified
Filter - Astronomik CLS-CCD Filter
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 scope
Guide Camera - QHY 5 Mono
Image Capture Settings
Sub Frames - 151 Light, 100 Dark, 100 Bias, 100 Flat
Exposure - 180 Seconds
ISO - 1600
Total Exposure - 7 hours 33 minutes
Acquisition Software
Capture/Sequence - N.I.N.A. - Nighttime Imaging 'N' Astronomy
Plate Solving - ASTAP - Astrometric STAcking Program
Guiding - PHD2 - Open PHD Guiding
Planetarium - Stellarium
Processing Software
Stacking - DeepSkyStacker
Post-processing - Adobe Photoshop 2021
Post-processing - StarNet++
In the bottom third of the photo, below the Plough.
25 frames with 8 darks stacked in DeepSkyStacker. Each frame F2.8 / ISO1250 / 5s
14x120 seconds iso1600 with Canon 6D/ Esprit 100 F5.5. Cometstackingmode in DeepSkyStacker. Pixinsight screenprint showing the colour and inverted B&W image.
A wide-field shot of the Dumbbell Nebula (M27) in the constellation Vulpecula taken with a Nikon D5100 DSLR using a lens of only 102mm focal length. This image is best viewed in the Flickr light box (press the "L" key to toggle the light box and optionally click on the "View all sizes" menu item to see the image at its largest size).
This is a stack of eleven images that were exposed for 25 seconds each using a hand-driven, barn-door type tracking mount (two boards, a hinge, and a screw you turn by hand). This relatively short exposure managed to capture some very slight evidence of the red outer edge of the nebula along with the faint bubble extending from the central dumbbell-shaped pattern.
See the image notes to identify a star which has a Jupiter-size planet in its orbit. It has been reported that both water vapor and organic molecules (methane) have been detected in the spectrum of this exoplanet (although the planet itself is believed to be far too hot to support life).
Captured on October 18, 2011 between 9:47PM and 10:05PM PDT from a moderately dark-sky location using a Nikon D5100 DSLR (ISO 2000, 25 second exposure x 11) and a 70mm-300mm AF-S G Zoom Nikkor lens at its 102mm f/4.5 position. Image stack created with DeepSkyStacker using eleven image frames combined with nine dark frames (no flats or bias). Final adjustments done in Photoshop CS3 (curves, levels, color balance and saturation, and image sharpening) with tweaks to the star size and color saturation done using ProDigital Software's Astronomy Tools.
All rights reserved.
img6486to6601_73f43d13s12800iso
There was plenty of cloud coming and going, eventually after spending 1 hour taking lights of 13 seconds each, I eventually got 82 lights that had no cloud.
Deepskystacker processed 73 of them along with 43 darks at 13 seconds each and an ISO of 12800.
The Veil Nebula in Cygnus from my backyard in Los Alamos, New Mexico.
I shot this with a Canon EF 70-200 f/4L on an AstroTrac mount. I've tried using the 70-200 on the AstroTrac in the past, but couldn't get the object of interest in the field of view. This time I tried something different. I put a 35mm lens on the camera, centered the nebula as best I could (which turned out to not be as centered as I would have thought). Then I switched lenses to the 70-200, without moving anything. At 70mm, the nebula was not quite in view, but I played around until it was centered, then zoomed in to 200mm.
Each focal length required a new focus to be able to even see the nebula, so that took a lot of extra time (and the focus is still a bit off). By the time I got the nebula centered and focused at 200mm, it was starting to get pretty close to the horizon. The tracking of the mount is off, and I should have tweaked the polar alignment a bit more, but I was running out of time (and I had already spent so much time on this tartget, I didn't want to switch to another).
I really need to come up with some other method for pointing longer lenses on the AstroTrac. I have a few ideas, but just need to find some time to get out in the grage and make some brackets for attaching finder scopes, etc.
This was also the first time I tried an Astronomik CLS EOS-clip filter, which I think did an amazing job of cutting down the light polution.
Canon 350D modified
Canon EF 70-200 f/4L
AstroTrac TT320 mount
Astronomik CLS EOS-clip filter
20 x 4min @ f/4 and ISO 800
Stacked with DeepSkyStacker
Processed in Photoshop CS3
Reprocessed using StarNet to separate the stars from the background.
Lens: Sigma 135mm Art f/1.8
Camera: Canon 6D (unmodified)
Exposure: 14x2min, ISO 1600
Filter: None
Mount: CG5-ASGT
Captured with BackyardEOS
Registered and stacked with DeepSkyStacker
Photographed from Davis Mountains, TX
My god this is tough!
I was going to leave this alone, having deleted my last miserable attempt at reprocessing it, until I saw this.
Miku's excellent effort is half the exposure time at half the iso - that was a red rag to a bull. :)
So I've come up with this. Not as good as Miku's, but better (I think) than my last effort.
Nikon D70 full spectrum, 55-200 Nikkor at 175mm (cropped), f6.3, 1600iso, Baader Neodymium filter.
20 x 4 min and 20 x 5 min subs for a total of 3 hours, unguided EQ5
Darks (not enough), flats and bias
Stacked and processed in DSS and CS5, with a little help from Noel's tools.
Bit blotchy in places, but it'll do until I can get out there yet again.
Yes, it has spikes, but I bought Noel's tools, so I'm gonna use them! :)
6 x 5min (ISO 1600)
Imaging: William Optics FLT 98 (at f/5), Nikon D7000
Guiding: Tokina 100-300mm f/4 AFII, Orion Starshoot
cgem mount
Comet 46P/Wirtanen.
Very hazy skies and high clouds, it hadn't quite cleared and its come out in the processing. Found it tricky to balance the colours but think i've got it about as well as I can.
20x 60sec exposures stacked with DSS, 2 methods tried, stacked on comet and stars gave the more pleasing result.
Altair Astro 72EDF
AA183C PROTEC Hypercam
iOptron CEM25P
SharpCap 3.2 Pro
Post processing with DeepSkyStacker, PixInsight and Photoshop CC2019
Orion, Barnard's Loop (H-alpha)
Lens: Canon 50mm f/1.8, stopped down f/4
Filter: Astronomik 12nm H-alpha
Mount: Celestron CG5 ASGT
Camera: Canon 450d mod BCF, 27F
Exposure: 12x15min ISO 400
Guided with PHD, SSAG, 9x50
Captured with BackyardEOS
Registered and stacked with DeepSkyStacker
Photographed from Round Rock TX (Orange zone)
After I have spent hours to watch the starry sky, I tried to realize a image of our nearest neighbor galaxy : Andromeda M31.
Wihtout using a tracking mount, I took 64 images (+ 20 darks) that I superimposed with DeepSkyStacker software.
In order to improve the clarity of the photograph, I used lightroom. But the focus is not perfect unfortunately...
Tehnical datas :
Canon T3i on tripod
50 mm lens
f/1.8
64 x 8 s = 8.5 minutes of exposure
ISO3200
JPEG editing
Although this may, on the face of it, appear to have lost some detail, I'm happier with this. I think the previous version was a little overcooked, and I prefer the stars in this one as well. Slightly wider crop. If I get the opportunity I'd like to give this more time, but when using a zoom lens, all the time has to be in one session as any slight variation in focal length will cause DSS to throw a wobbler. :)
Nikon D70 modded, 55-200 Nikkor at 200mm (cropped), f5.6, 1600iso, Baader Neodymium filter.
26 x 4 min subs for a total of 1 hour 44 mins, unguided EQ5
Darks, flats and bias
Stacked and processed in DSS and CS5.
Still resisting the temptation to spike that fat juicy star ;)
Skywatcher Esprit 100 APO triplet with Optolong L filter and Full spectrum modified Canon 6D. Exposure 44x300 sec (3.6 hr) iso1600, stacked in DeepSkyStacker using 20 Flatframes and 65 Bias frames. Processed in Pixinsight (just basic, DBE, colour calibration, histogram and curves)
Press L (followed by F11) for the best view.
The Milky way at the Cygnus (The Swan) constellation. See notes for stars of the Summer Triangle: Deneb (Cygnus) , Vega (Lyra) and Altair (Aquila).
See Gigagalaxy Zoom for a great image of the milky way.
Stacked from 3 shots of 30s, f2.8, ISO 1600, 24mm each using DeepSkyStacker, post-processing with Corel PaintShop Pro X4.
Next time, I should use shorter exposure times to get a sharper image.
Manually, off-axis guided for 9 x 10-minute exposures at ISO 1600, f/6.3.
Modified EOS 600D & Celestron C8 telescope.
Registered and stacked using DeepSkyStacker software; noise reduced using Noel Carboni's tools in Photoshop Elements; curves & colour-balance adjusted using Paint Shop Pro.
M57 Ring Nebula
60 exposures of 24 seconds each using a Canon 400D attached to a Skywatcher 150p reflector. Mount used was a HEQ5 pro, unguided.
Stcked using DeepSkyStacker and all processing done in StarTools.
The Sunflower Galaxy, M63 aka NGC 5055 is in the constellation Canes Venatici. It's about 37 million light years away and is part of the M51 Group which, not surprisingly, includes M51.
This was an absolute pig to process. It's not hugely bright and needs a lot more than the 50 minutes I was able to give it. Still - I can cross it off the list now! :)
4 June 2011
200p, EQ5 unguided
Nikon D70 full spectrum prime focus
50 x 60sec
iso 1600
darks, bias and flats.
Stacked in DSS processed in CS5
Imaging telescopes or lenses: Skywatcher ED 80/600
Imaging cameras: Astrolumina ALccd5L-IIc
Mounts: Celestron Advanced VX Goto
Software: Photoshop, DeepSkyStacker, PIPP, Fitswork
Resolution: 1101x908
Dates: Aug. 30, 2015
Frames: 99x12"
Integration: 0.3 hours
Avg. Moon age: 15.02 days
Avg. Moon phase: 99.93%
Bortle Dark-Sky Scale: 7.00
D610 @ ISO HI-1 (12,800 equivalent)
Sigma 400mm f5,6 lens
32 30-second exposures stacked via DeepSkyStacker's Kappa-Sigma Median method
Dark, flat, and offset frames applied
I could have produced a much cleaner image by dropping the ISO a stop and gathering an hour of light rather than 16 minutes, but I wanted to see how the D610 would perform when pushed. Pretty well it seems. The grainy looking grey stuff around the edges is dust that's just on the verge of visibility with such a short exposure.
Also the composition isn't that great.
December 11, 20:00 UT
Canon EF 50mm lens (MK I), at f/2.8, ISO 800
20x30 secs hand-tracked exposures, (total exposure time 10 minutes)
Combined in DeepSkyStacker and processed in Photoshop
After 20 frames I was starting to lose the feeling in my fingers, at which point I figured it was a good time to stop. So, unless it repeats its 1892 behaviour and undergoes a second outburst sometime in January, this will probably be the last image I'll post of Comet Holmes.
Two naked-eye comets, a total lunar eclipse, and a daylight lunar occultation of Venus: 2007 has been a pretty good year for astronomy!
Best viewed large.
The cluster and nebula lie at a distance of 5,000 light-years from Earth and measure roughly 130 light years in diameter. The radiation from the young stars excites the atoms in the nebula, causing them to emit radiation themselves producing the emission nebula we see. The mass of the nebula is estimated to be around 10,000 solar masses.The cluster and nebula lie at a distance of 5,000 light-years from Earth and measure roughly 130 light years in diameter. The radiation from the young stars excites the atoms in the nebula, causing them to emit radiation themselves producing the emission nebula we see. The mass of the nebula is estimated to be around 10,000 solar masses.
30x300sec+25x180sec light pics
45x darks
30x bias
30x flat
Skywatcher ed80 - 600mm
Skywatcher AZ GTI
Asi294mc
Asi120mm
ZWO Guid scope
Celestron power tank 13
AsiairPro
DeepskyStacker + iPhone Photos App
I got lucky when I wanted to shoot a long exposure of the milky way in Senj, Croatia: there were divers in the water with lights, adding an interesting extra element to the photo.
Shot with D7100, Sigma 17-50mm @ 22mm, F2.8.
ISO 1600, 15s.
I used Deep Sky Stacker to stack 18 light frames and 18 dark frames. Once with alignment for the stars (sigma-delta stacking) and once without alignment for the foreground (averaging).
The water with divers is from a single shot, because they moved from shot to shot.
Composed the final shot from these 3 images.
Galaxia de Andrómeda M31
Canon EOS 400D S/M
Televue 85mm df 600 f7
Eq6 Pro V3.1
Guiado con Meade DSI en tubo Lunático EZG 60mm 230mm f/3.8
Maxim DL 5
17 tomas 12 min ISO 400
6 tomas 5 min ISO 400
3 tomas 3 min ISO 400
Darks 12 y 5 min
Calibrado y procesado con DeepSkyStacker 3.3.0
Sumas Photosop CS
Reducción de Ruido con Wavelets Pixlnsight LE 1.0
Tomada en Ayna (Albacete ) 21-08-2009
After some tries with DeepSkyStacker I managed to get this image with some post-processing in PixInsight.
Camera: Nikon D3x
Optics: Nikon 80-400mm 1:4.5-5.6D VR set on 300mm f5.6
Mount: AstroTrac TT320
DeepSkyStacker settings:
Stacking mode: Intersection
Alignment method: Bicubic
Comet processing : Align on stars (no specific processing)
Stacking step 17 frames (ISO: 1600) - total exposure: 8 mn 30 s
RGB Channels Background Calibration: Yes
Per Channel Background Calibration: No
Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)
Offset: 108 frames exposure: 1/8000 s
Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)
Dark: 50 frames exposure: 30 s
Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)
Flat: 28 frames exposure: 1/200 s
Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)
First attempt at a deep field object with my equatorial mount and my 200/800 mm reflector telescope
Single exposure of 30 seconds, ISO 1600, f/4
The small galaxy "above" M3 is NGC5263 with magnitude 13.4 at at distance of 200 million lightyears. Stacked in Deepskystacker 29x180 seconds at ISO1600. No dark frames but i used dithering of 6 pixels between each subframe. (Backyard EOS and PHD2)
Never throw your old photos away, you can always get more out of them later.
The same 20 frames as before, just different tweaks in DeepSkyStacker. Still very noisy, guess I'll add more lights when it returns in winter.
( V1 here: www.flickr.com/photos/thedavewalker/6850838500/ )
This will be my target for the next few weeks. I am quite happy with the texture in the clouds on this one.
Date:20/10/2009
Location:Brisbane Australia
Imaging Camera: Canon 1000D prime focus
Imaging Scope: Mak Cas 127mm
Focal Length: 1500mm F12
Guide Camera: SSAG
Guide Scope: Orion 80mm F5 Refractor
Guided with PHD Guiding
Mount: Celestron EQ5 GT
Exposure: 54 min 30 sec - 31 full colour frames @ ISO 800
Darks: 8
ISO: 800
Processing: DeepSkyStacker, CS3, Noel Carboni's Astronomy Tools
Shotdate: januari 9th 2011
Camera: Nikon D3x
Optics: AF VR 80-400mm 1:f4.5-5.6 D
Composit HDR of:
20 x 4 sec
20 x 8 sec
20 x 15 sec
20 x 30 sec
20 x 60 sec
22 x 125 sec
Stacked in DeepSkyStacker 3.3.2
Postprocessing in PixInsight 1.6
Functions used:
HDR Comp, DBE, BN, CC, HT, HDR 2x, ACDNR, Curves, DDP, Curves and crop.
Objects:
NGC 1973
NGC 1981
NGC 1975
NGC 1976 / Great Nebula in Orion / M 42
NGC 1980
NGC 1977
NGC 1982 / M 43