View allAll Photos Tagged Deepskystacker

Today is the last day of my vacation. This is the place that I spent a few days and let me tell you, the stars are just amazingly beautiful up there in the mountains.

 

Photo info: several shots stacked with DSS (DeepSkyStacker - deepskystacker.free.fr/english/index.html only to increase the Signal to Noise Ratio (SNR).

 

A bit of hot highlights from the bare flash on the cottage at the end of the exposure but this is it ...

 

M42, The Great Nebula in Orion

 

Second pass at data from March 21, 2014. M42, 10 minute stack of 20x30" exposures on a Canon 500D through an Orion ED80.

 

Captured using Backyard EOS, stacked with DeepSkyStacker, post-processed in Pixelmator.

Panasonic Lumix GH2 with Panasonic G Vario 14/43mm 3.5/5.6f. Shot at 14mm and wide open.

 

Location: Capolago, Ticino, Switzerland.

 

The bright object at the center of the picture is jupiter!

 

Tried to capture Jupiter in the night sky. Stacked 32 pictures, each with a 20s exposure at 3.5f with DeepSkyStacker. The purple glue is due to the light pollution from the nearby small town..

 

Visit my website: www.fieelstuff.com.

 

Also contact me on:

Vimeo | Youtube | Twitter | Facebook | Vine | Instagram | 500px | Astrobin

Fujifilm X-T10, XF18-55mm F2.8-4.0 @ F5.6 and 55mm, ISO 3200, 10 x 3 min, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing in GIMP, taken Sept. 28.

 

Cropped quite a bit.

 

Oct. 2 update: Removed some of the light pollution gradient.

 

Mar. 7 update: Star reduction.

The comet, currently in Andromeda, was easily visible via 7 x 50 binoculars. However I couldn't image through the 'scope, as the comet is to the West and my view is blocked, so I just used a short telephoto lens on a star tracker, and cropped the result a little. The comet’s tail can be seen faintly in the photo, pointing to the 2 o’clock position. The slight gap in the star trails is due to the sequence of frames being broken by passing cloud.

19 x 30-sec exposures at f/4 and ISO 3200 with an EOS 600D and Zeiss Jena 135mm f/3.5 lens, on a Vixen Polarie star tracker; frames stacked on the comet (hence the slightly trailed stars) in DeepSkyStacker, with curves adjustment and further noise reduction in post-processing.

25x60s at iso 400.

150mm (750mm FL) F5 Newtonian with GSO coma corrector.

 

First try with autoguiding using PHD2. Unfortunately the 3D printed guidescope mount was not nearly robust enough. 2/3 of the exposures were thrown out.

 

Stacked with DeepSkyStacker and post processed in Photoshop.

 

Unfortunately a large number of Geo satellites were present in the view and created streaks.

Stacked in DeepSkyStacker and processed in PixInsight, Aperture and Noise Ninja.

 

Approx 10x60s subs @6400 with flats and darks, through a ED80 @ f/7.5.

72ED apo with SX Trius 694/Ha filter and field flattener piggybacked to C9.25 on a CEM60. Eight 900 second subframes stacked and dark frame subtracted in Deepskystacker and processed in Photoshop CS2. Autoguiding through 9.25 with QHY5L-II colour camera and 0.5x reducer.

Taken 21/01/21

Shotdate: Aug. 10 2008

Camera: Nikon D300

Optics: Nikkor 60mm f4.0 Micro

ISO: 800

Mount: AstroTrac

 

Older version: www.flickr.com/photos/14721988@N02/3914645359/in/photostr...

 

DeepSkyStacker settings:

 

Stacking mode: Standard

Alignment method: Bicubic

Stacking 10 frames (ISO: 800) - total exposure: 25 mn 2 s

 

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Offset: 56 frames exposure: 1/8000 s

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Dark: 27 frames exposure: 2 mn 31 s

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Flat: 20 frames exposure: 1/8 s

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

.

 

Postprocessing in PixInsight:

 

I worked a bit with this:

 

www.stelleelettroniche.it/en/2013/01/astrophoto/sword-orion/

 

And I took these steps (it's a bit of a read):

 

ChannelExtraction: Processing view: Autosave

Extracting lightness: 100%

 

ATrousWaveletTransform: Processing view: Autosave_L

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HistogramTransformation: Processing view: Autosave

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Autosave_L: Masking from swap files...

 

ChannelExtraction: Processing view: Autosave

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ATrousWaveletTransform: Processing view: Autosave_L

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Normalizing sample values: 100%

 

HistogramTransformation: Processing view: Autosave

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Autosave_L: Masking from swap files...

 

ChannelExtraction: Processing view: Autosave

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ATrousWaveletTransform: Processing view: Autosave_L

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HistogramTransformation: Processing view: Autosave

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ChannelExtraction: Processing view: Autosave

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ATrousWaveletTransform: Processing view: Autosave_L

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HistogramTransformation: Processing view: Autosave

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Autosave_L: Masking from swap files...

 

ChannelExtraction: Processing view: Autosave

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HistogramTransformation: Processing view: Autosave_L

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Calculating view histograms...

 

ATrousWaveletTransform: Processing view: Autosave_L

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Normalizing sample values: 100%

Calculating view histograms...

 

HistogramTransformation: Processing view: Autosave

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Autosave_L: Masking from swap files...

Calculating view histograms...

 

ChannelExtraction: Processing view: Autosave

Extracting lightness: 100%

 

HistogramTransformation: Processing view: Autosave_L

Processing gray channel: Histogram transformation: 100%

Calculating view histograms...

 

HistogramTransformation: Processing view: Autosave

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Autosave_L: Masking from swap files...

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HistogramTransformation: Processing view: Autosave_clone

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Calculating view histograms...

 

ATrousWaveletTransform: Processing view: Autosave_clone

Processing channel #0

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Processing channel #1

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Processing channel #2

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Calculating view histograms...

 

HistogramTransformation: Processing view: Autosave_clone

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Calculating view histograms...

 

ImageIdentifier: Processing view: Autosave_clone

id = Final_Color_Stars

 

ImageIdentifier: Processing view: Autosave_clone

id = SM

 

ImageIdentifier: Processing view: Autosave

id = ORG

 

ATrousWaveletTransform: Processing view: SM

Processing channel #0

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Processing channel #2

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Normalizing sample values: 100%

Calculating view histograms...

 

PixelMath: Processing view: SM

Executing PixelMath expression: combined RGB/K channels:ORG-SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

ChannelExtraction: Processing view: ORG

Extracting lightness: 100%

 

HistogramTransformation: Processing view: ORG_L

Processing gray channel: Histogram transformation: 100%

Calculating view histograms...

 

HistogramTransformation: Processing view: BLUR

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ORG_L: Masking from swap files...

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CurvesTransformation: Processing view: BLUR

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ORG_L: Masking from swap files...

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PixelMath: Processing view: ORG

Executing PixelMath expression: combined RGB/K channels:ORG+SM+BLUR: 100%

Rescaling to [0.0000000000,1.0000000000]: 100%

 

ImageIdentifier: Processing view: ITR1_clone

id = ITR1_SM

 

ATrousWaveletTransform: Processing view: ITR1_SM

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Calculating view histograms...

 

PixelMath: Processing view: ITR1_SM

Executing PixelMath expression: combined RGB/K channels:ITR1-ITR1_SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

ChannelExtraction: Processing view: ITR1_BLUR

Extracting lightness: 100%

 

HistogramTransformation: Processing view: ITR1_BLUR_L

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Calculating view histograms...

 

CurvesTransformation: Processing view: ITR1_BLUR

Curves transformation: 100%

ITR1_BLUR_L: Masking from swap files...

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PixelMath: Processing view: ITR1_BLUR

Executing PixelMath expression: combined RGB/K channels:ITR1+ITR1_SM+(ITR1_BLUR*1.25): 100%

Rescaling to [0.0000000000,1.0000000000]: 100%

 

StarMask: Processing view: ITR2

Extracting structures: 100%

 

RangeSelection: Processing view: ITR2

Generating range selection mask: 100%

 

ATrousWaveletTransform: Processing view: range_mask

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Calculating view histograms...

 

ATrousWaveletTransform: Processing view: range_mask

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ATrousWaveletTransform: Processing view: range_mask

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PixelMath: Processing view: range_mask

Executing PixelMath expression: combined RGB/K channels:range_mask+star_mask: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

PixelMath: Processing view: ITR2_SM

Executing PixelMath expression: combined RGB/K channels:ITR2-ITR2_SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

ImageIdentifier: Processing view: ITR2_SM

id = ITR2_STAR_MASK

 

ImageIdentifier: Processing view: ITR2_clone

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ATrousWaveletTransform: Processing view: ITR2_SM

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Calculating view histograms...

 

PixelMath: Processing view: ITR2_SM

Executing PixelMath expression: combined RGB/K channels:ITR2-ITR2_SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

ATrousWaveletTransform: Processing view: ITR2_SM

Processing channel #0

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Processing channel #1

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Processing channel #2

À trous wavelet transform: 100%

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Normalizing sample values: 100%

Calculating view histograms...

 

PixelMath: Processing view: ITR2_SM

Executing PixelMath expression: combined RGB/K channels:ITR2-ITR2_SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

LocalHistogramEqualization: Processing view: ITR2_BLUR

Extracting CIE L* component: 100%

CLAHE: 100%

Importing CIE L* component: 100%

ITR2_STAR_MASK: Masking from swap files...

Calculating view histograms...

 

CurvesTransformation: Processing view: ITR2_BLUR

Curves transformation: 100%

Calculating view histograms...

 

PixelMath: Processing view: ITR2_BLUR

Executing PixelMath expression: combined RGB/K channels:ITR2+ITR2_SM+ITR2_BLUR: 100%

Rescaling to [0.0000000000,1.0000000000]: 100%

 

ATrousWaveletTransform: Processing view: ITR3_clone

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Calculating view histograms...

 

ImageIdentifier: Processing view: ITR3_clone

id = ITR3_SM

 

PixelMath: Processing view: ITR3_SM

Executing PixelMath expression: combined RGB/K channels:ITR3-ITR3_SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

LocalHistogramEqualization: Processing view: ITR3_BLUR

Extracting CIE L* component: 100%

CLAHE: 100%

Importing CIE L* component: 100%

ITR2_STAR_MASK: Masking from swap files...

Calculating view histograms...

 

CurvesTransformation: Processing view: ITR3_BLUR

Curves transformation: 100%

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PixelMath: Processing view: ITR3_BLUR

Executing PixelMath expression: combined RGB/K channels:ITR3+ITR3_SM+ITR3_BLUR: 100%

Rescaling to [0.0000000000,1.0000000000]: 100%

 

CurvesTransformation: Processing view: ITR4

Curves transformation: 100%

Calculating view histograms...

 

PixelMath: Processing view: ITR4

Executing PixelMath expression: combined RGB/K channels:(ITR4*1.55)+(Final_Color_Stars*0.45): 100%

Rescaling to [0.0000000000,1.0000000000]: 100%

 

Canon EF 50mm lens (MK I), at f/2.8, ISO 800, three hand-tracked exposures (total exposure time 5m 15s), combined in DeepSkyStacker and processed in Photoshop.

 

I would have gone deeper, but the clouds rolled in. Still, you can see the beginnings of the dust lanes on the large version, and the two satellite galaxies (annotated).

New set of images for this one. My autoguiding is getting better and better after many frustrating hours tuning the mount. Very happy with the star detail on this one.

 

Date:12/9/2009

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: 90 min (15x6min) full colour

Darks: 6x6min

ISO: 800

Processing: DeepSkyStacker, CS3, Noel Carboni's Astronomy Tools

My first ever attempt to take Andromeda aka Messier 31/NGC 224. Hopefully this will be good to compare against when I revisit it in the future. I didn't get as many subs as I wanted because contary to the weather forecast the clear skies didn't last anywhere near enough.

 

SynScan AZ Goto Mount

Used Sky Safari for my location settings and the talking clock to get the exact time.

2 star alignment with Vega and Capella then slewed straight to Andromeda with no need for adjustment.

(Why cant it always be this simple!)

 

Nikon D3100 connected to the mount and using a 55-300mm lens .

Yongnuo MC-36R/N3 Wireless Timer Remote.

19 30 second frames (9 1/2 Minutes).

ISO 800, f/5.6, WB Incandescent.

Lens focal length set at 300mm.

 

Stacked in Deep Sky Stacker with darks, flats and bias..

Processed in Adobe Photoshop Lightroom.

Recommended settings in DSS. Stretched the contrast and clarity in Lightroom.

 

Taken in Stretford, Manchester on the 31st August 2013.

 

I've reprocessed this a few times but didn't want to loose this original pic so have posted the updated version here and kept this for my own record.

Just pointed the camera straight up to the coreof the Galaxy. I took 5 photos with DNR on. Using Deepskystacker I stacked them all together then edited the colours and claryity in Lightroom. First time using DeepSkyStacker and I know how to improve for next time. Mainly take more shots! Impressed with my first result anyhow. Just need some interested foregrounds to find!

 

150 Frames stacked in DeepSkyStacker.

Nikon D90

Rokinon 14mm f/2.8

each frame is 15 sec exposure

Nice, bright star cluster in constellation Cancer. This cluster have fallen into the sweet spot of my optics, so the halos around bright stars are at least center-symmetrical and not comet-shaped. Yes! This one turns out at steady 3 out of possible 5.

 

This shot and this share the same effective resolution so the apparent sizes can be compared. This only applies to "original" size of the images. M67 is tiny compared to Praesepe/Beehive. And has only 7,5m against 4m of the Beehive.

 

Aquisition time: 13.04.2013 ‏‎around 23:45:00 MSK (GMT+4).

Equipment:

Canon EF 70-200 f/2.8L lens + Canon EF 2x III extender on EOS 60D mounted on Celestron CG-4 GEM (German equatorial mount) with RA drive.

Aperture 71 mm

Focal length 400 mm

Tv = 30 seconds

Av = f/5,6

ISO 800

Exposures: 85 + 12 dark frames

Processing: contrast was set to "linear" and vingetting was corrected with Canon DPP, 16 bit TIFFs were stacked in DeepSkyStacker, contrast'n'colors adjusted in Photoshop. Image scaled down 50% (cheat!).

Notes: this time I have recorded the steps of contrast adjustment. I'll better have bluish sky than reddish.

Just messing about with some old data now that I've learnt to use GradientXterminator correctly. :)

 

Nikon D70 modded, 18-55 Nikkor at 18mm , f7.1, 1000iso

11x4 min subs for a total of 44 minutes, unguided EQ5

Darks and bias

Stacked in DSS and processed in CS5, with help from Noel's tools.

  

Constellation: Scorpius/Ophiuchus

Taken at Blackheath NSW on 12/09/2009

Modified Canon EOS 400D, 50mm at f2.8

EQ5 mount autoguided by 3"WO refractor;Philips webcam & PhD

ISO800 7 x 3min subs stacked in DeepSkyStacker with darks.

After a long break in astrophotography I'm trying it again. Really cheap setup: Canon 1000D with Yonguo 50/1.8, EQ-1 mount with carefully tuned DC motor drive. 8 x 2 minutes at ISO 800 f/1.8. Some darks, offsets. Stacked in DeepSkyStacker. Slight colour tuning and sharpening in GIMP. The colours are still off, but I'm just learning.

Observation date: 24 & 28 May 2023, 10 & 11 June 2023

Total exposure time: 6 hours 3 minutes (242 light frames taken at ISO 200, 90s exposure at 30 seconds interval)

Approximate location: My backyard in Eden Glen, Edenvale, Gauteng

 

Equipment Used:

-----------------------

Unmodified Canon EOS 1200D camera

Canon EF-S 55-250mm f/4-5.6 IS II lens set at 250mm and f/5.6

Sky-Watcher EQ5 mount with Orion Truetrack Dual-Axis Motor Drives and GPUSB Shoestring Astronomy EQMOD

Starfield F/3.6 60mm guide scope

Altair Astro GPCAM2 290M Mono guide camera

Acquisition via laptop with Astrophotography Tool (APT) and PHD2 autoguiding software

 

Processing Techniques Used:

---------------------------------------

242 light frames were stacked in DeepSkyStacker with 262 dark frames, 120 bias frames, 95 flat frames and 95 dark flat frames. The resulting stacked TIF image was further processed in PixInsight. Workflow included dynamic crop, background extraction, photometric color calibration, noise reduction with TGV Denoise and Multiscale Median Transform, non-linear stretch, colour saturation, removed magenta colour around stars, star reduction, dark structure enhancement, and further background smoothing with Multiscale Linear Transform.

 

Yolanda Combrink

I stacked three 30 second exposures to enhance the Zodiacal light, Comet Holmes, and the Andromeda Galaxy.

OTA: GSO 6" F/5 newtonian reflector

Starizona Nexus 0.75x coma corrector (for f/3.75)

Camera: ZWO ASI1600MM

Exposure: Ha 8x10min, O3 10x10min, S2 18x10min

Mount: CEM70G

Captured with SGP

Registered and stacked with DeepSkyStacker

Photographed from Round Rock TX

Manually guided for 12 x 7-minute exposures at ISO 1600, f/6.25. Modified EOS 600D & Sky-Watcher ED80 refractor, piggybacked on a Celestron C8 telescope for guiding.

Registered and stacked using DeepSkyStacker; initial curves adjusted in Canon Photo Professional; final curves & colour-balance adjusted using Paint Shop Pro; noise reduction via CyberLink PhotoDirector.

Lens: Nikon 180mm ED AI-s f/2.8, shot at f/2.8

Camera: Canon 6D (unmodified)

Exposure: 23x4min iso800

Filter: None

Mount: Celestron CG5-ASGT

Captured with BackyardEOS

Registered and stacked with DeepSkyStacker

Photographed from Marathon Motel, in Marathon TX

Same picture as before but used a beta version of DeepSkyStacker that works with my Sony RAW files. Previous pic was with jpeg stacks, light frames only. This one is with the RAW files and 12 bias, 12 flats, and 12 darks. Really makes a difference as far as stretching the image, reducing noise, and bringing out more detail.

 

Taken with C8-SGT w/ f/6.3 focal reducer.

First night out with the Explore Scientific ED102CF Telescope. 60x60" exposures shot with a Nikon D7200 on an unguided Celestron AVX Mount. Stacked with DeepSkyStacker and processed in Lightroom/Photoshop.

The little constellation Triangulum... the triangular-looking triangle at the bottom... shares its space with the open star cluster NGC 752 to the left and M33, the Triangulum Galaxy.

 

Captured under the dark sky of Killarney Provincial Park, Ontario.

Star Mask created by DeepSkyStacker

...still raining, and a reprocess of a reprocess! Learning all the time. :) Horsehead and Flame Nebulae in Orion. 8 January 2011

 

From the original image:

200p, EQ5 unguided

Nikon D70 full spectrum prime focus

20 x 60 second subs iso 1600

20 darks

20 bias

10 flats

Stacked in DSS processed in CS5

 

Gonna leave this one alone now! :)

 

Latest version here

Also appearing, higher in the sky, is Comet Lovejoy (C/2013 R1), currently cruising through southern Ursa Major. Stack of 20 frames of 6 seconds each.

522 1-s exposures, ISO 6400, f/5.6, 300 mm. Photographed from an urban location -- lights from a million people.

A wide-field shot of the Ring Nebula (M57) in the constellation Lyra taken with a Nikon D5100 DSLR using a lens of only 100mm 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). The faintest stars recorded in this photo range down to approximately magnitude 13.5 (see image notes which identify a few of the brighter stars, north is off to the right).

 

Captured on October 17, 2011 between 8:03PM and 8:23PM PDT under fairly bright, hazy, light-polluted skies with a Nikon D5100 DSLR (ISO 3200, 25 second exposure x 11) and a 70mm-300mm AF-S G Zoom Nikkor lens at its 100mm f/5.6 position. Image stack created with DeepSkyStacker using eleven image frames combined with eight dark frames (no flats or bias).

 

All rights reserved.

Running Man Nebula, M43 and M42 in constellation Orion. Distance:1300l.y.

Taken from suburban Sydney backyard on 17/10/2009

Modified Canon EOS 400D, Orion ED80 (FL600mm) at prime focus. IDAS LPS filter

EQ5 mount autoguided by PhD

ISO800 3 X 4.5min subs stacked in DeepSkyStacker with darks.

A much improved effort from the previous :

www.flickr.com/photos/26678755@N07/2636349230/in/set-7215...

I have no clue what I'm doing. Stacked 10 Light frames of f/1.8, 5 sec., ISO-400, 0 step, 28 mm in DeepSkyStacker 3.3.2, converted to 8 bit RGB Photoshop file, edited in Lr5.

Localisation : CastresmallObservatory (Castres, Tarn - France)

Acquisition Date : 2017-09-26

Auteur/Author : ROUGÉ Pierre

Mouture/mount : Orion Atlas EQ-G

Tube/Scope : Newton Orion 200/1000 (f/5) + MPCC Baader

Autoguiding : Skywatcher Synguider (v1.1) & Meade ETX 70/350 mm

Camera : Canon EOS 400D (Digital Rebel Xti) refiltré Astrodon in Side (modded Astrodon in Side)

+ EOS CLIP CLS Astronomik

Exposure : 81 minutes [27 subexposures of 180' @ ISO 1600]

Dark & Offset 5/9 @ ISO 1600 - Flat & Dark-Flat : 11/9 @ ISO 1600

Temps/Weather : Bonne transparence. Vent nul. T=15°C. Humidité faible.

Constellation : Cépheus / Céphée

Software Used : Astro Photograph Tool (v3.33), DeepSkyStacker 3.3.6, Pixinsight LE, PhotoShop 7, xnview, Noiseware Community Edition

  

While I was about it thought I'd have another crack at this. Not quite as contrived as my previous version (which was hugely contrived ;) ). This is full frame, more or less.

 

Nikon D70 modded, 55-200 Nikkor at 175mm, 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, flats and bias

Stacked and processed in DSS and CS5, with a little help from Noel's tools.

 

Celestron CGEM 1100HD with Canon 60Da. ISO 800 with 10 minute exposure. Dark frames and flats were collected after session. Used Celestron's off-axis guider and Orion's 12.5mm illuminated reticle eyepeice for manual tracking. Stack of 19 shots using DeepSkyStacker with GIMP for post processing (mostly tone-down the stars).

 

Like the dust lane that surrounds this galaxy. It is about 30 million light-years away and only 1/3 as wide as the moon (relatively speaking).

First attempt at stacking an image in Deep Sky Stacker

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My Astrophotography Set

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8 light shots

3 dark shots

Canon EOS 60D

Sigma 17-70 os

190 XproB tripod

Cold fingers

It's often concerned me that my stars always seem to be devoid of colour, so I thought I'd make a small change to my processing steps and came up with this. The original is here. I'd really appreciate some feedback on this because I've been staring at this for hours and my eyes have gone funny. There's certainly more colour in it (there's very little in the original), but I'm not sure if it's overdone or a little too forced. There seem to be an awful lot of blue stars about!

 

25 May 2011

200p, EQ5 unguided

Nikon D70 full spectrum prime focus

29 x 60sec

iso 1600

darks, bias and flats.

Stacked in DSS processed in CS5

  

Twain Harte, California.

 

Unmodified Sony a7R and Astro-Tech AT65EDQ 65mm f/6.5 refractor mounted on a Losmandy G11 mount. 20 x 10 minute sub-frames, 5 averaged darks processed with DeepSkyStacker.

A wide-field view of the Triangulum Galaxy in the constellation of the same name captured in a stack of fifty 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). The Triangulum Galaxy is generally consider to be the most distant object that can be seen with the naked eye (it is smaller, dimmer, and more distant than the Andromeda Galaxy).

 

This is my first serious attempt to photograph M33 and although this image has some problems it actually turned out better than I expected (given that I'm not using a telescope and considering the rather poor conditions from my front driveway -- pretty serious light pollution since I live very close to the center of a large metropolitan area). I can just make out the spiral arms on the galaxy but the short exposure and "push" processing has drained all of the color from the now-bloated stars.

 

In the image notes I've identified a small object that may be NGC 604 (a very large nebula and star forming region in the Triangulum galaxy -- NGC 604 is perhaps a hundred times the size of the Milky Way's Orion nebula).

 

In any case, this image is best viewed in the Flickr light box (press the "L" key to toggle the light box or click the following link):

 

View On Black

 

Captured on December 22, 2011 between the hours of 8:09PM and 8:44PM PST with a Nikon D5100 DSLR (ISO 4000, 25 second exposure x 50) and a 105mm AI-S 1:2.5 Nikkor lens set to aperture f/4. Image stack created with DeepSkyStacker using 50 image frames combined with 48 dark frames (no flats or bias).

 

All rights reserved.

This is better I think. Less forced than the original (which has been relegated to my "Not good Astro!" set!). Better definition in the dust lanes. I'll open the lens up next time, and equip myself with an LP filter, which is the reason why stars are a little lacking in the bottom right hand corner.

 

Nikon D70 full spectrum mounted directly on an EQ5, 18-55 Nikkor at 18mm , f7.1, 1000iso

11x4 min subs for a total of 44 minutes, unguided

Darks and bias.

Quick shot of the Elephant's Trunk Nebula & surrounding area. Located approximately 2400 light years from Earth.

 

Exposure: 62 x 30s exposures @ ISO3200 equiv. Darks & bias/offset, no flats.

Camera: Canon EOS 60Da

Lens: EF 70-200mm 1:4 L USM @ f/4.5. 200mm (x1.6).

Filters: Astronomik CLS

Mount: Piggy-backed on 8" Meade LX10. Rough polar alignment.

Guiding: None

  

RAW images stacked in DeepSkyStacker, processed in PSPx5.

Taken at Moel Farwyd in Snowdonia looking over the light pollution of Ffestiniog. The stars are tracking on the mount which is why the hills are blurred. The centre of the Milky Way is near the bottom.

 

15 40 second frames (About 10 Minutes) ISO 1600, f/5.6. Lens set at 18mm.

 

SynScan AZ Goto Mount

Nikon D3100 connected to the mount with a dovetail.

Yongnuo MC-36R/N3 Wireless Timer Remote.

Stacked in Deep Sky Stacker with darks.

Processed in Adobe Photoshop Lightroom.

 

Taken on the 7th July 2013.

Camera: Canon Rebel T3i

Lens: 75-300mm zoom lens

Focal length: 75mm @f/5

Exposure: 47x30 seconds (23.5 minutes)

Location: Locust Valley, NY

Calibrated with dark and flat frames.

 

Processed with DeepSkyStacker, Photoshop, GradientXTerminator and Astronomy Tools plugin

Photo of M31, the Andromeda galaxy, taken from Trondheim city center. I used Astronomik CLS clip-in filter to remove the city glow.

 

Stack of 13 exposures 7 minutes each.

Canon 60D with 300L.

HEQ5 Pro mount controlled via PHD2.

QHY5II guide camera on a Skywatcher 9x50 finderscope.

Camera control via BackyardEOS.

Raw files stacked with DeepSkyStacker and postprocessed in Lightroom.

The Triangulum Galaxy is a spiral galaxy approximately 3 million light years from Earth in the constellation Triangulum. (Wikipedia)

148 photos stacked in DeepSkyStacker.

 

Check out the full size farm4.staticflickr.com/3785/9516814696_f2c9e3f37f_o.jpg

 

Canon EOS 450D

50 mm

f/2.0

5 s

ISO 1600

 

Basic tripod

M81 and M82 again!

 

M81, M82 and Iridium flare of GLOBALSTAR M036 satellite.

( APR. 3. 2019. 21:13 KST)

 

Time: 2019. 4. 3. 20:00 ~

 

Location: Boeun, South Korea (Bortle Dark-Sky Scale: 4)

 

Optics: Takahashi FS60CB with 1.7x Extender (600 mm ƒ/10)

 

Exposure: Sony A7s (Modified) ISO 12800 x 30s x 325 subs (with Dark, Flat, Bias frames)

 

Mount: Toast Pro (TP2)

 

Software: DeepSkyStacker, Astronomy Tools, GradientXTerminator, Adobe Photoshop

  

sky.ikjunekim.net/?clock=2019,3,3,21&az=10

 

Samyang 14mm + SEOCooledX2 on CD-1

15x300sec (Total:75min)

StellaImage7, DeepSkyStacker, Photoshop CS6

Locations: Koresato, Akaiwa, Okayama, Japan

Nov. 2010

Taken 5-05-16 at Lake Ray Roberts, TX

Scope: William Optics GT81 w/ 0.8x reducer (382mm focal length at f/4.7)

Mount: Orion Sirius EQ-G

Guidescope: Orion 50mm guidescope

Guiding camera: StarShoot Autoguider

Imaging camera: Canon t3i (unmodified)

 

ISO400

13x600" lights (2hr 10min total exposure time)

5x darks

30x flats

150x bias

 

Stacked in DeepSkyStacker (3x drizzle custom rectangle)

Processed in Photoshop CS6

This image of the Ring Nebula (M57) has been cropped from a stacked data-set of images taken last night using a Canon EOS 60D mounted onto a Skywatcher 200 reflector.

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