The Milky Way, seen from the top of Haleakala volcano. The image was created by stacking 10 different photos, combined by DeepSkyStacker. Nikon D3200 + Tokina AT-X Pro 11-16mm f/2.8 DX II

Comet Lovejoy taken tonight (24th Jan 2014) from my back garden in South Shields. A race against time before the clouds rolled in...

Nikon D7000 mounted on an Astrotrac, 180mm Prime f2.8 ED lens @ f4, 5 x 90sec exposures stacked in DeepSkyStacker and processed in Photoshop.

Comet Lovejoy is currently 96.2 million km from Earth and the light from it takes 5.35 light minutes to reach us.

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)

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)

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

Picture saved with settings applied.

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

Camera: Canon 6D (unmodified)

Exposure: 25x4min ISO 100

Filter: None

Mount: Celestron CGEM DX

Captured with BackyardEOS

Registered and stacked with DeepSkyStacker

Photographed from Round Rock TX (Orange zone)

Canon EOS 60Da & EF 17-40mm 1:4 L USM lens piggy-backed on 8" Meade LX10.

ISO800. Focal length 40mm (x1.6). 18x60s light frames @ f/5.6, 20x60s dark frames @ f/5.6, 20x1/8000s bias/offset frames. RAW, 3888 x 2592 pixels.

Stacked in DeepSkyStacker, basic processing in PaintShop Pro X4.

Details for the nerds:

William Optics FLT110 @ f5.6

QHY9 CCD

EQ6 Pro, 10min Ha exposures, 5min RGB

Stacked in DeepSkyStacker, Processed in Photoshop CS2

Ha:RGB 140min:45min:45min:45min

Ha used as Luminance, and Ha also blended into RGB channels in varying proportions

Taken over several nights in August 2009, from my backyard observatory in Toronto, Canada

First shots for the stars; first attempts at astrophotography (with Joep: www.flickr.com/photos/98504409@N05/) .

Taken on October 28th 2013

Camera: Nikon D600

Lens: Nikkor 80-200mm f/2.8D ED (at f/4, 200mm, 50x 5 seconds exposures, ISO 1250, manual focus)

Mount: SkyWatcher NEQ6-Pro (from Joep)

50 light frames, stacked with DeepSkyStacker: deepskystacker.free.fr/

(note: we had a lot of light pollution and veil clouds)

M42 Orion Nebula and NGC1977 Running Man Nebula (top) - Composite of two images - 23 and 16/01/12 - 8" reflector on HEQ5 mount - QHY8L CCD camera + Coma Corrector + LPR Filter, prime focal, guided with SPC880 webcam FinderGuider and PHD, 8 frames (600sec) for NGC1977, 6 fames (600sec) + 10 frames (60sec) for M42, Total Exp:2h30m + 29 darks + 29 EL panel flats, captured with Nebulosity 2, stacked with DeepSkyStacker, post-processed with Capture NX2/GIMP/Nebulosity 2

Lens: Canon 300mm L f/4, stopped to 62mm (f/4.8)

Camera: ZWO ASI1600MM

Exposure: L 100x1min, H-alpha 13x10min, Red 30x1min, Blue 33x1min, synthetic Green

Mount: CEM70G

Captured with SGP

Registered and stacked with DeepSkyStacker

Photographed from Round Rock TX (light pollution zone: red)

NGC7000, the North America Nebula, is located in the constellation of Cygnus. It is a very large area of emission nebula -- a cloud of superheated gas and dust -- extending some 2.5 degrees to the east of Deneb. It was discovered in the early 1890s during experiments in wide field astrophotography.

This image was taken through a narrowband (13nm) hydrogen-alpha filter. Details for the astro-geeks:

NGC7000 North American Nebula

Capture date: May 28, 2008

Scope: WO FLT 110 (TMB) @ f/7

Mount: HEQ5 Pro, autoguided through a ZS66 and DSI-C using PHD

Camera: modified Canon 350, ISO800, Astronomik 13nm 2" h-alpha filter

Exposure: 88 minutes, 11x480sec lights, 3 darks, no flats

Conditions: poor seeing (it was very windy), good transparency

Processing: stacked in DeepSkyStacker, processed in PS CS2

Neq6 Pro , SW N 150/750 , May 21 , 2018 . ( NGC 6888 ) Crescent nebula 48mn 24s, Canon eos 350d full spectrum ...processed in DeepSkyStacker 3.3.4. and PSCS6

Astrofarm, France

Nikon D750 - 10 x 20 seconds, ISO 12800

Stacked in DeepSkyStacker and processed in PhotoShop CS2

Been waiting to have a crack at this - couldn't wait for the moon to go away :) Three quarters of these subs were taken with a fat moon looking on, so I'm quite pleased really.

Only got half the loop in here (gets a bit faint out to the right), and I did have room on the left for Sharpless 264, but that didn't put in an appearance at all - so I cropped it!

This is the first iteration, others may follow. Or I may wait until the moon has gone and have a crack at 4 minute subs - difficult unguided on the equator though.

Don't ask me where the spikes came from - I haven't a clue. :)

Nikon D70 modded, 55-200 Nikkor at 55mm (cropped), f5.6, 1600iso, Baader Neodymium filter.

51 x 3 min, unguided EQ5

Darks, flats and bias

Stacked and processed in DSS and CS5

The inevitable repro :)

Approx. 10 minute equivalent exposure.

My first Milky Way shot, of the Cygnus constelation area. Not perfect but I keep learning :)

Technical info:

Canon 500D + Tamron 17-50mm f2.8

17mm, f2.8 ISO3200.

Steady tripod, no tracking.

20x30sec lights, 5 dark frames, 5 offset frames. Total: 10min.

Merged with DeepSkyStacker, then adjusted levels/colors with Lightroom.

Messier Object M42 - Orion Nebula

Date: 12-16-2011

Telescope (Lens): Stellarvue SVR 80ED Raptor

Addition Optics: None

Camera: Canon XSi

Exposure: 42 x 210 sec (ISO 800)

Processing: DeepSkyStacker, Photoshop

Mount: Atlas EQ-G

Tracking: EQMOD / Stellarium

Guidance: PHD Guiding - 9x50 Finderscope w/ Logitech 3000 Pro Webcam

Setup: www.flickr.com/photos/nicholall/5523910532/in/set-7215762...

Astromomy weather as forcasted by Canadian Meteorological Center:

Cloud Cover: Clear

Transparancy: Above Average

Seeing Category: II (Below Average)

Temp: 25°F

Humidity: 80°

Light Pollution: "Red" - Based on Light Pollution Map

Total exposure time 1 hr 41m 39s

ISO6400 F5.6 30sx206 400mm

stacked by Deepskystacker and processed in LR

Photo:

Skywatcher Explorer 150/750 telescope, EQ3 mount, Sony A6100 camera

Guiding:

70/400 guiding scope, ASI120mc guiding camera

Images:

Light frames: 9 x 300 sec + 30 * 10 sec (ISO 800)

Dark: 5 + 5

Stacked with DeepSkyStacker, post processed with Photoshop

Canon 135mm f/2 lens (stopped down to 2.8) attached to SX Trius 694 using a Geoptik Canon to CCD adapter with internal Baader 7nm Ha filter and piggybacked to main scope on a CEM60.

12 subs at 300secs each stacked in Deepskystacker and processed in Photoshop CS2.

Taken 05/1/22

14x120 seconds iso1600 with Canon 6D/ Esprit 100 F5.5. Cometstackingmode in DeepSkyStacker. Pixinsight screenprint showing the colour and inverted B&W image.

How-to.

White T shirt, white screen, white paper. (actually they don't have to be white, can be any colour you like)

Telescope perpendicular to screen, few cm away.

For my CCD expose for typical value of 20,000 ADU centre.

Cooling set to -10C (same as light frames, otherwise you will get a gradient).

Turn room lights out.

Usually about 30 to 40 subs and Median Kappa-Sigma Clipping in DeepSkyStacker.

Takahashi Sky 90 90mm scope, Atik 460exm CCD.

Other ways are to use an Electroluminescent panel, Construct a light box, or an overcast sky.

Large Magellanic Cloud , LMC

77 Archivos Apilados en DeepSkyStacker

Procesados integramente en

PixInsight Core 1.8 Ripley

+ firma Photoshop

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

Canon T3 + Helios 58mm f2

10 segundos, f2, iso 6400

Mars in Taurus. 15x10s exposures taken with an Olympus PEN Lite E-PL6 camera with a 25mm lens. Standard tripod with an Omegon MiniTrack LX3 clockwork tracking mount. Tide CineSoft diffusion filter. Stacked in DeepSkyStacker and processed in PixInsight.

Taken using Skywatcher 80ED Pro, Nikon D3300, 275x30" lights (ISO 3200), 100 flats, 110, bias. Stacked in DeepSkyStacker and processed in Photoshop

There are no fewer than four "bright" comets visible in the pre-dawn sky from northern latitudes right now. The two brightest are ISON and Lovejoy. Lovejoy is the one most well-placed for admiring from my location, the others being too close to the sun to afford much of a photographic opportunity. Lovejoy and ISON both have a coma that is glowing bright green due to the formation of poisonous cyanogen gas. The "dirty snowball" is getting brighter as it approaches the sun and the increased heat sublimates the ice producing more gas. The tail is rather dim now (best seen in a dark room with averted vision) but is expected to become more prominent as it nears the sun. Lovejoy swings around the sun in early December so here is hoping it survives its scorching. If it does survive, it will be visible through most of 2014 albeit becoming dimmer with time. This is a stack of 33 x 10 second frames stacked in DeepSkyStacker. Prince George, BC, Nov 16, 2013.

This is old data but reprocessed using separate layers for DSO and stars. A definite improvement I think, considering it's just 16 minutes. This is back in the day (all of 8 months ago) when I couldn't get longer than 60 second subs no matter how hard I tried. Having said that, I haven't pointed my kit at the equator for a while, so we'll see! Looking forward to having another crack at this this year. :)

Nikon D70 modded, 55-200 at 200mm, f6.3, 1600iso

16x60sec subs, unguided EQ5

10 each darks, flats and bias.

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

15x 30s subs ISO1600 stacked in DeepSkyStacker (10 Darks, 20 Flats, 20 Bias) processed in PixInsight and Photoshop. Canon EOS 450D DSLR prime focus Sky-Watcher 150P Newtonian EQ3-2 mount. Baader Neodymium filter, Sky-Watcher coma corrector.

Taken at F7 for 29 min exposure ISO 3200

Acquisition details:

OTA: Celestron 10" f/4.7 newtonian reflector, C10N

Filter: Astronomik CLS

Corrector: MPCC

Mount: Celestron CGEM DX

Camera: Canon 450d mod BCF, 39°F

Exposure: 25x8min ISO 200

Guided with PHD, SSAG, Orion 50mm guide scope

Captured with BackyardEOS

Registered and stacked with DeepSkyStacker

Photographed from Round Rock TX (Orange zone)

sony a6000, Minolta MD Tele Rokkor 2.8/135 @ f2.8, 190x1s@ISO3200 on static tripod (190 Lightframes, 30 Darkframes, 24 Flatframes stacked in DeepSkyStacker), edited in photoshop and lightroom

7 x 8-minute exposures at ISO 1600.

Canon EOS 600D (modified by DSLRAstromod), Meade ED 127mm f7.5 telescope, manually, off-axis guided. Sub-exposures registered and stacked using DeepSkyStacker software.

Dedicated to the memory of Sir Patrick Moore, who inspired my interest in astronomy from an early age.

I'll probably re-do this object with a smaller refractor 'scope later - that will give me a sharper image and a wider field, more suitable for this large object.

10 x 4-minute exposures at ISO 1600, f/4. Manually guided off-axis. Modified EOS 600D & Revelation 12" Newtonian reflector telescope.

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.

Skywatcher 150P

DMK21AU618

Baader LRGB beginner filter set

Baader IR-UV block fiter

Captured: Firecapture

L: 75 subs @ 20 seconds, 10 darks

R: 46 subs @ 30 seconds, 10 darks

G: 40 subs @ 26 seconds, 10 darks

B: 25 subs @ 21 seconds, 10 darks

Stacking: DeepSkyStacker

Postprocessing: Adobe Photoshop CS2

Update Oct. 7, 2019 - A wide-field image of this area, shot simultaneously with the above and also showing the gravitationally interacting nearby "Hockey Stick' galaxy, can be found at the link attached here - www.flickr.com/photos/homcavobservatory/48859476636/

Object Details: Lying approximately 30 million light-years from Earth, 'The Whale Galaxy' (NGC 4631) is an edge-on barred spiral whose wedge-like shape gives rise to it's nickname. It is gavitationally interacting with the nearby dwarf elliptical galaxy NGC 4627 (visible directly below the Whale in this image) and contains a central starburst (i.e. a region of extremely intense star formation).

Similar in size to our own Milky Way galaxy, visually it spans about 15 x 3 arcminutes in our sky (i.e. lengthwise, approximately have the diameter of the full moon). Glowing at magnitude 9.8 in the constellation Canes Venatici, it is detectable in small scopes as a thin sliver of light and it makes for a spectacular object in larger instruments.

Image Details: The attached was taken by Jay Edwards at the HomCav Observatory on the evening of April 6, 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.

This is my first attempt at imaging this object, and as such is a test consisting of a (relatively speaking) very short stack totaling only 45 minutes of exposure (not including darks, flats & bias frames). Although I was fairly pleased with the result, it contains more noise in the outer regions than I would prefer and I will therefore look forward to re-imaging this object in the future using a longer total exposure.

Stacked in DeepSkyStacker and processed using PixInsight and PaintShopPro, as presented here it has been resized down to HD resolution and the bit depth has been lowered to 8 bits per channel.

The 'Orion Nebula' and the 'Running Man'.

Picture consists of a total of 220 RAW-files (Lights, Darks, Flats), stacked in DeepSkyStacker, and edited in Lightroom CC and Photoshop CC

Comet C/2022 E3 (ZTF), image taken at Colma di Sormano, Lombardy, Italy in the morning of 29/1/2023.

Tracking with equatorial mount, 53 light, 27 dark, 27 flat and 27 bias for a total of 13 min of integration.

Camera Model Name: Sony ILCE-7RM4

Lens Model: Sony FE 100-400mm F4.5-5.6 GM OSS

Exposure Time: 15 s

F Number: 5.6

ISO: 4000

Date/Time Original: 2023:01:29 03:42:24

Offset Time Original: +01:00

Software: Imaging Edge Desktop 3.5.01.11090 + DeepSkyStacker 4.2.6 + Gimp .10.32

Radian Raptor 61 F/4.5 Apo triplet

Optolong L-eXtreme dual band filter

Zwo ASI2600MC Pro

25-360 second subs

Sharpcap

DeepskyStacker

Adobe Photoshop CC 2021

Minolta XD7/MC W.ROKKOR-X 24/2.8/FUJI Natura1600/9000ED

我就这么盯着银河看，一些感觉与知觉迅速褪去

而又不经意间触到了亿万思绪里的一个个细枝末节

摄于若尔盖唐克牧场大酒店楼顶

Brief details:

QHY9 CCD @ -35C

TMB 130SS

260 minutes of Ha 7nm

45 Minutes each R,G,B through QHY colour filter wheel and QHY RGB filter set

Processed in DeepSkyStacker and PSCS2

HaRGB blend

Here is Comet C/2021 Y1 (ATLAS) from last evening.

Tech Specs: Meade 12” LX-90, Antares Focal Reducer, ZWO AS071 running at -10C, Celestron CGEM-DX mount, ZWO ASIAir Plus, ZWO EAF, 60 x 60 second exposures, darks from the library and flats after the imaging session, DeepSkyStacker and Tycho Tracker. Image Date: December 14, 2022. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).

Localisation : CastresmallObservatory (Castres, Tarn - France)

Acquisition Date : 2016-11-30

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 : 135 minutes [45 subexposures of 180 sec each (selected from 45)] @ ISO 800

Calibration : Dark & Bias : 10/11 @ ISO 800 - Flat & Dark-Flat : 9 @ ISO 400

Temps/Weather : Bonne transparence. Vent nul. T=11°C. Humidité faible.

Constellation : Aurigae/Cocher

Software Used : Astro Photograph Tool (v3.13), DeepSkyStacker 3.3.6, Pixinsight LE, PhotoShop 7, xnview, Noiseware Community Edition

or in this instance a Geminid meteor.

Imaging telescopes: Skywatcher Esprit 100ED APO Triplet

Imaging cameras: ZWO 1600MM-COOL

Mounts: Sky Watcher NEQ6 pro

Guiding telescopes or lenses: Skywatcher Esprit 100ED APO Triplet

Guiding cameras: ASI290MM

Software: Photoshop CC Photoshop · Astrophotography Tool · DeepSkyStacker 4.1.1 64bit Deepskystacker

Filters: Chroma 5nm HA · Chroma Sii 3nm

Accessory: ZWO EFW 36 mm Filter Wheel

Frames:

Chroma 5nm HA: 30x600" (gain: 139.00) -15C bin 1x1

Chroma Sii 3nm: 10x600" (gain: 139.00) -15C bin 1x1

Integration: 6.7 hours

2010-02-07 Orion Nebula - Third Attempt

12 x 45 second exposures and 3 x 30 second exposures stacked into one image using Deep Sky Stacker

One of my first attempts at stacking expsoures. They aren't very long exposures and not a big total exposure time but I'm happy with the detail captured around the core of the nebula.

Shot with a Canon T1i at prime focus, ISO 200 with automatic dark frame subtraction on a 10" Meade SN-10-AT telescope. 1016mm F4.