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The ETA Carina Nebula is the brightest and biggest in the sky however it is less famous that the Orion Nebula as it is only visible from the Southern Hemisphere. The glowing pink is Hydrogen Alpha emissions from Ionized H2 gas. The massive star ETA Carina may die soon in a Hypernova that could be visible during the day.
Canon 1000D (modified)
Canon 135mm f/2 prime lens (stopped to f2.8)
Astronomik CLS clip in filter
Omegon Minitrack LX Quattro
Wireless intervalometer
Fifty eight subs at 40 seconds each at ISO 800 stacked in Deepskystacker and processed in Photoshop CS2,no dark nor flat frame subtraction.
Taken 22/07/09
An attempt to get colorful starfield.
19 images from Nikon D3100 10s f/1.8 35mm ISO 1600 stacked in DeepSkyStacker + developed in Acdsee Pro.
11 minutes total exposure. 11 (of 20) usable lights (60s), 10 darks, 20 flats, 20 bias. Canon EOS 450D DSLR prime focus, ISO1600. Baader Neodymium filter and coma corrector. Sky-Watcher 150P Explorer on EQ3-2 mount. DeepSkyStacker > PixInsight > PhotoShop. (Diffraction spikes are from the scope not Star Spikes Pro!)
Couldn't resist this. Only found out about this last night (tonight) and as it was clear I felt obliged!
For those that don't know - or don't care :) - a supernova is a star that has come to the end of its life and exploded
On the left is the image I took on 3 May, and to the right is the quick and dirty image I've just taken. The supernova is kind of obvious (more so with the yellow lines pointing to it!)
The "surrounding" stars are in our galaxy, probably just thousands of light years away. The supernova, equally as bright, is in M51, the Whirlpool Galaxy, and is about 31 million light years away. Which also means of course that it went supernova 31 million years ago. Fascinating stuff. :)
Overlooking the mouth of Belfast Lough towards Black Head and standing on a rocky outcrop at 1:30am at Ballymacormick Point. The two bright stars near the comet are the front foot of Ursa Major, the great bear, Talitha and Alkaphrah
The Monkey Head Nebula in Orion. 6 subs taken at 600 second exposure each using Esprit 150ED Apo and QHY168C
with UHC filter. Stacked in Deepskystacker and processed using Photoshop CS2.
Image taken in early hours of 31/01/19
Another test image with the mono 350d. I added a cold-finger TEC to help with heat noise. But, at full power the cooling was too much for the dew-point. I'll have to control the power closely, or perhaps seal the sensor with dry air. In this test the cooler running at low power.
NGC 2264, The Cone Nebula (H-alpha)
Lens: Canon 300mm f/4
Mount: CGEM DX
Camera: Canon 350d mono, 55F ambient, with 6V to TEC cooler
Exposure: 23x8min ISO 800
Astronomik 12nm H-alpha filter
Guided with PHD, SSAG, 9x50
Captured with BackyardEOS
Mono conversion with dcraw -D -4 -T -b 16
Registered and stacked with DeepSkyStacker
Photographed from Round Rock TX (Orange zone)
Ioptron Minitower II Pro,80mm triplet Apo (f/6) and QHY178M with 0.5x reducer. An experiment in using an Alt-az mount to image with,20 subs at 10 seconds each stacked in Deepskystacker and processed in Nebulosity 4.
Image taken 8/01/19
Shotdate: 27-2-2014
Camera: Nikon D3x
Optics: Celestron 9.25" EdgeHD
Guiding: LVI SmartGuider 2 on F500mm f90mm APO
ISO-speed: 3200
Exposure: 225 x 60 seconds
Darks: 22
Flats: 21
Bias: 69
Stacked in DeepSkyStacker and post-processing in PixInsight
- www.kevin-palmer.com - On a rare winter night when it was both clear and above freezing, I headed out to Spring Lake for some astrophotography. I began to set up my iOptron Skytracker, when I realized I forgot my polar scope. That meant I could only do a rough polar alignment and was limited to about 1-minute subs. I was surprised how much detail was captured. This is a stack of 15 1-minute pictures, plus dark and bias frames taken with a 50mm lens. After stacking I processed it in Photoshop using the Astronomy Tools plugin to help bring out the nebulosity.
1h30m di integrazione poco lontano dall'inquinamento luminoso. Singolo scatto da 120 secondi a 800 iso
Taken with an unmodded Canon 600D through a Celestron NexStar 127SLT mounted on a Celestron CG-5 AS-GT. 20 shots, 15 seconds each, with an Astronomik EOS-Clip CLS filter. Processed with DeepSkyStacker, Nebulosity, PhotoMatix Pro, HLVG filter and Noel Carboni's Astronomy Tools for Photoshop Elements 9.
Orion Nebula
Running Man Nebula
Orion's Belt
Flame Nebula
Horsehead Nebula
Canon 200mm F2.8 @ F3.5
Canon T4I ISO 800 30 seconds
32x light frames
iOptron SkyTracker
DeepSkyStacker
Pixinsight 1.8
11% moon illumination
Poor seeing/Hazy
Bortle 4
I did an other processing of this image to get some more detail out.
Camera: Nikon D3x
Filter: UHC-s Baader 2" nebula filter
Optics: Celestron 9,25" EdgeHD
Guiding: LVI SmartGuider 2
Mount: SkyWatcher NEQ6 Pro
DeepSkyStacker 3.3.2 settings:
Stacking mode: Mosaic
Alignment method: Bicubic
18 frames (ISO: 1600) - total exposure: 1 hr 24 mn 18 s
RGB Channels Background Calibration: Yes
Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)
Offset: 108 frames exposure: 1/8000 s
Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)
Dark: 18 frames exposure: 4 mn 41 s
Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)
Flat: 32 frames exposure: 5 s
Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)
Processing in PixInsight 1.7
Twelve times:
ChannelExtraction
ATrousWaveletTransform
HistogramTransformation
DarkStructureEnhance
And finally a little stretch to get the details and color out: HistogramTransformation
ColorSaturation
Image of the Dumbbell Nebula, also known as Messier 27, or NGC 6853. It is a planetary nebula in the constellation of Vulpecula, the little fox. The nebula lies at a distance of about 1,360 light years. This image shows the nebula itself and surrounding stars of Vulpecula. I took the image using a Canon 600D, 250mm lens on a StarAdventurer tracking mount. The field of view in this image is approximately 1.3 degrees. The picture is made up of two separate images (1: f/5.6, 42sec exposure, ISO3200 and 2: f/5.6, 60sec exposure, ISO800) stacked using DeepSkyStacker software and further processed using Photoshop Elements 11.
This was taken during the Perseids meteor "hunting" session organised by www.astro.sg on 13.08.2013 early hours at Bishan Park. My 3rd attempt at trying landscape astrophotography in my light polluted country.
Personally I do not like to blend images and I am really a noob in blending composite images. But I guess this is absolutely necessary to rid the blurry foreground after stacking the long exposure shots. As such, this is a blended image made up of 3 x 60 seconds DSS-stacked photo for the background and a 10 seconds exposure of the same scene for the foreground.
Details:
Taken on 13 August 2013, 12:17AM.
Camera: Pentax K-30
Lens: DA12-24
ISO800, 14mm, f/4.0
Pentax O-GPS1 Astrotracer enabled during 60 seconds exposures
Some nasty banding running through this, and black blobs next to the brightest stars (which I can't explain). It is a little contrived, but a vast improvement on the first iteration. Not enough data - probably needs at least 200 subs, which it ain't gonna get! :)
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
Best result so far with the frames taken on the 15th. Something like 280 individual images are stacked to get this result, keeping the comet fixed, so that background stars are trailed. Due to intervening cloud and a few other problems during the evening the star trails are not continuous.
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 exposiciĂłn (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)