View allAll Photos Tagged deepskystacker

Still practicing. This time at 300mm (50% crop)

50 x 120 secs.

iOptron CEM40

DeepSkyStacker

Bortle 7+ (and neighborhood Christmas lights!)

poca integrazione ma amen, eravamo gia' depressi per il repentino annuvolamento, ma poi si e' riaperto! :)

 

Telescopi o obiettivi di acquisizione: Orion 8" Ritchey-Chretien

Camere di acquisizione: Canon / CentralDS EOS Astro 50D

Montature: Sky-Watcher EQ6 Pro

Telescopi o obiettivi di guida: 80/600

Camere di guida: Lacerta MGEN2

Software: DeepSkyStacker, Adobe Lightroom 3, Noel Carboni's Astro Tools for PhotoShop

Filtri: Orion SkyGlow 2" Imaging Filter

Risoluzione: 1280x853

Date: 09 febbraio 2013

Pose: Orion SkyGlow 2" Imaging Filter: 7x780" ISO1600 -20C bin 1x1

Integrazione: 1.5 ore

Dark: ~21

Flat: ~21

Giorno lunare medio: 28.10 giorni

Fase lunare media: 2.29%

Scala del Cielo Scuro Bortle: 3.00

Temperatura: -6.00

A wide-field shot of the northeastern region of the constellation Cygnus showing the North America Nebula, a faint trace of the Pelican Nebula, and the nebulous patches surrounding the star Sadr (gamma Cyg). 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).

 

Captured on October 19, 2011 between 10:07PM and 10:48PM PDT from a moderately dark-sky location using a Nikon D5100 DSLR (ISO 2000, 2 minute exposure x 13) and an AF Nikkor 50mm 1:1.8D lens set to aperture f/2.8. Tracking provided by a hand-driven, barn-door type mount (two boards, a hinge, and a screw you turn by hand). Image stack created with DeepSkyStacker using thirteen image frames combined with four dark frames (no flats or bias).

 

This is a full-frame image (uncropped) showing nearly the entire coverage of the 50mm lens on the Nikon DX-format sensor ("nearly" because about 3% of the angle of view was lost to remove field rotation within the stack of images).

 

All rights reserved.

Testing a new mount: iOption CEM70G. Guiding was 0.5-0.7 arc-sec. I'm happy with the mount!

Not enough subs, and I need to work on coma, and the OAG caused a weird reflection. This is my first time capturing Soap Bubble!

 

OTA: Celestron C8N, 8" newtonian reflector and MPCC-III

Camera: ZWO ASI1600MM

Exposure: H-alpha 14x10min, OIII 17x10min

Mount: CEM70G

Captured with SGP

Registered and stacked with DeepSkyStacker

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

And now the Synthetic Green version of the HA+OIII data (using Steve Cannistra's Modified Bicolor Technique for combining Ha and OIII images), using the same data as the previous HA/OIII/OIII image of the same area.

 

Mount: EQ6 via EQMOD

OTA: Borg 60 @ f/3.8

Guiding: SW ED80 + SX Lodestar + Maxim

Imaging: Starlight Xpress M25C + MaximDL, 16 x 900s, Hutech LPS-V4

Nebula filter

Orchestrated: CDD Commander

Stacked: DeepSkyStacker

Post Process: PSCS2 + PixInsight

Localisation : CastresmallObservatory (Castres, Tarn - France)

Acquisition Date : 2017-02-15

Auteur/Author : ROUGÉ Pierre

Mouture/mount : Orion Atlas EQ-G

Tube/Scope : Samyang 500mm F6.3 DX

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 : 93 minutes [31 subexposures of 180 sec each (selected from 31)] @ ISO 1600

Calibration : Dark & Bias : 5/11 @ ISO 1600 - Flat : 11 @ ISO 100

Temps/Weather : Bonne transparence. Faible vent sud-est. T=11°C. Humidité faible.

Constellation : Licorne / Monoceros

Nom/Name : Nébuleuse de la Rosette / Rosette Nebula

Software Used : Astro Photograph Tool (v3.20), DeepSkyStacker 3.3.6, Pixinsight LE, PhotoShop 7, xnview, Noiseware Community Edition

  

My first Attempt of M42 with my camera.

Canon EOS 600D on a Tripod

ISO 12 800

55 mm

f/5.6

3 minutes & 38 seconds exposure

DeepSkyStacker Software.

I prefer this version. Slightly wider crop, and the dust lanes (what there is of them) are better defined (the outer is just visible in this version). Also doesn't look quite as flat. Minimum of noise reduction used as I've abandoned my usual 1600iso in favour of 800 (the D70 is a lot happier with that) :) And I didn't use any masking on this version, which I'm very pleased with - usually I mask everything :)

 

Nikon D70 modded, 55-200 Nikkor at 200mm (cropped, a lot), f5.6, 800iso, Baader Neodymium filter.

30 x 4 min, unguided EQ5

Darks, flats and bias

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

 

Original and reprocessed yet again! ;)

  

A stack of 27x10s exposures using an Olympus PEN Lite E-PL6 camera on a Omegon MiniTrack LX3 clockwork tracking mount.

 

Stacked on the comet in DeepSkyStacker and processed in PixInsight (DynamicBackgroundExtraction and HistogramTransformation)

Last night was the first clear Moonless night for a while, so I drove an hour Southwest of Brisbane and took some test shots of some of the larger deep sky objects to see how my 100mm macro lens performs for astrophotography.

The Triangulum Galaxy (M33) is member of the Local Group of galaxies which is approximately 3 million light years away.

This image is 30 x 40 second exposures in a Star Adventurer Mini tracker, with the lens at f/4 and 3200 iso. Processed using DeepSkyStacker and Lightroom 5.

Here is an updated view of supernova 2016gxp in the galaxy NGC 51 in the constellation Andromeda. To me, the supernova still appears to be brightening from the time of discovery. My magnitude estimate is 15.2 based on local star comparison.

Tech Specs: Canon 6D, Meade 12” LX90, 56 x 15 seconds at ISO 3200 with additional darks and bias frames. Image Date: October 19, 2016.

 

Well the skies have not played ball for a couple of days so I thought I would setup all the kit to see how it all fits together and check the balance etc.

 

First impressions, pretty good!

Eventually i could do with getting Alt/Az head and counterweight arm but for now will do.

Field flattener not shown as its on back order....

 

Kit:

Skywatcher Equinox 80 APO PRO Refractor & SW 9x50 Finderscope

Astrotrac TT320X-AG & polarscope.

Astrotrac TW3100 Wedge

Induro AT413 Heavy duty tripod (20kg load capacity) ground spikes fitted.

Canon EOS 7D 1.6x crop DSLR (unmodded)

Canon TC-80N3 Intervalometer.

My old 15.4" Toshiba Satelite laptop to run various software, Stellarium, EOS Utility, Canon DPP, DeepSkyStacker etc.

Still need a few other small bits and pieces but not a bad start.

 

All that I need is the weather to play ball now...

 

Col du Bavella (1200m s.l.m.), Corse du Sud

 

Se fosse stato per il popolo Corso, a cui ho chiesto più volte un posto buio per potermi attrezzare e fare fotografie, questa foto NON sarebbe mai stata scattata :) mi spiace dirlo ma è un vero dispiacere vedere una cosi' bella isola popolata da gente così poco sensibile. Venite a trovarmi in Italia e vi concio per le feste ;)

 

---

 

I can't thank the people of Corse, I asked several times and gently a dark place to and to be able to take astrophotos, this picture doesn't would never have been taken! I'm sorry to say but it is a real disappointment to see such a 'beautiful island" populated by people so insensitive. Come and see me in Italy and we settle for the holidays ;)

 

Telescopi o obiettivi di acquisizione:Apo 70/420

Camere di acquisizione: Canon EOS 450D / Digital Rebel XSi / Kiss X2

Montature: Sky-Watcher EQ6 Pro

Telescopi o obiettivi di guida: 80/600

Camere di guida: LVI Smartguider 2

Riduttori di focale: 0.8x flattener/reducer

Software: Luc Coiffier's DeepSkyStacker, Adobe Lightroom 3

Filtri: Orion Skyglow 2" Filter

Date: 18 agosto 2012

Pose: Orion Skyglow 2" Filter: 18x480" ISO800

Integrazione: 2.4 ore

Dark: ~10

Flat: ~11

FSQ106ED + QHY16200A(-15C) L4x10min L5x5min (Ambient +20C)

WilliamOptics Star71 + ATIK383L+(-15C)

Astrodon Tru-Balance E-Series Gen2

R2x5min,G2x5min,B2x8min,Ha2x15min

on SkyWatcher AZ-EQ6GT (Total:131min)

Guiding: QHYOAG + LodestarX2

DeepSkyStacker, StellaImage7, Photoshop CC2015

Locations: Kamogawa Sports Park, Kibichuocho, Okayama, Japan

Aug. 2016

Finally got a chance to image the winter zodiacal light for this year. I've made the post-processing more subtle.

This was a challenge for the small Esprit 100mm f5.5 APO refractor with Optolong L filter and Canon 6D. A combination of full spectrum 16x300sec iso1600 and 12nm Halpha 30x600sec iso1600. Both stacked in DeepSkyStacker using 3x drizzle (+25 Flats and 65Bias) and combined in Pixinsight with the NBRGB Combination script. Image dates: 21 november 2015 for Ha and 5 december 2015 for RGB.

 

Knight Observatory Tomar

19 x 2-minute manually-guided exposures, ISO 3200, f/4. Modified EOS 600D & Revelation 12" Newtonian reflector telescope.

Frames registered and stacked in DeepSkyStacker software; curves adjusted in Canon Photo Professional; noise reduction in CyberLink PhotoDirector.

My first session with the 12" Newtonian since May, and unfortunately not very successful due to the aberrations (coma and tllt) that distort the stars (I've cropped the worst of it out). It seems to be worst when I image objects high in the sky, while those closer to the horizon have better-shaped stars.

14 x 2-minute manually-guided exposures, ISO 3200, f/4. Modified EOS 600D & Revelation 12" Newtonian reflector telescope.

Frames registered and stacked in DeepSkyStacker software; curves adjusted in Canon Photo Professional; noise reduction in CyberLink PhotoDirector.

William Optics Gran Turismo 71

Flat6AIII Flattener/Reducer 0,8x

MGEN-3 Standalone Autoguider

ZWO ASI 533C

UV/IR Cut Filter

20min

Bortle 5, 87% Moon

DeepSkyStacker, GIMP

Manually, off-axis guided for 7 x 4-minute exposures at ISO 1600, f/4.

Modified EOS 600D & Revelation 12" Newtonian reflector telescope. The halo and spikes around the bright star on the right are imaging artefacts.

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. The image has been heavily cropped, due to the nebula's small apparent size.

New photostack composed of 18 images with DeepSkyStacker + Color correction with Lightroom. Nikon D3200 + Tokina ATX Pro 11-16mm f/2.8 DX II

C8HD+EdgeHD800 0.7x+CGEM

150s * 23 iso 800/Dark * 36/Flat * 40

Nikon D800E

DeepSkyStacker, Photoshop CS6

When considering there was a full moon last night 26-4-2021, I am both supprised and pleased I managed to capture the Whirlpool Galaxy.

39 lights, 10@2min 10@3mins 9@4mins, 9darks, stacked in DeepskyStacker, post processed in Photoshop.

Nikon D750, Nikon 600mm prime with Nikon 2xteleconverter (1200mm) on a Skywatcher NEQ6-R-Pro mount, polmaster, Stellarium, PHD2 guide, DSLR control WiFi capture, bortle4.

The Whirlpool Galaxy, also known as Messier 51a, M51a, and NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy.

The Crescent Nebula (NGC 6888) is an emission nebula formed by a strong stellar wind from an extremely hot Wolf-Rayet star as it collides into and excites material that had been previously ejected from the star during it's red giant phase. Located approximately 5,000 light-years from Earth, the shell has a diameter of about 25 light-years in diameter.

 

Glowing at magnitude 7.4 in the constellation of Cygnus, although visible in smaller instruments, in large scopes under dark skies it appears as a fractured globe. Having had the pleasure of viewing this object in my friend's 20-inch, f/5 Obsession from the dark skies of the high desserts on the Snake River Plain in Idaho, it took on an incredible 3-D appearance (as one of my friends noted, looking like a partially constructed 'Death Star' from Star Wars :) ).

 

Image Details: The attached was taken by Jay Edwards at the HomCav Observatory on the evening of July 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 75 one-minute exposures (not including darks, flats & bias frames). Given the reasonable results I'm looking forward to trying this object sometime in the future using the same scope with one of our CCD and sets of narrowband filters in an attempt to pick up additional detail of the nebula's interior structure.

 

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.

 

The above was created from the series of images in this star trail shot: www.flickr.com/photos/steventheamusing/11240440045/

  

For fun I took the shots used in my "Life is a Beach Sometimes" shot (posted earlier), and masked off the foreground. I then ran them through DeepSkyStacker which is normally used for astroimaging. DSS wouldn't know what to do with the land.

 

There is a strong gradient left that I didn't remove... it's due to the light pollution from the nearby buildings and streetlights together with the mist and fog.

 

These shots were all ISO 1600, f/2.8, 20 seconds (which was too long for this purpose since it cause stars to be streaks rather than points of light).

 

[N_335-602972-3004]

Nikon D750

TS80APO

480mm f/6

10 light frames (x30"), 10 darks, 10 offsets.

5 minutes total exposure time

 

Stacked in DeepSkyStacker and processed in Lightroom

Picture saved with settings applied.

Taken at Kirk Shorter Roadside Park, Big Cypress Natural Reserve

 

Unfortunately the first evening with a chance to image this comet coincided with the brightest Full Moon of the year, so some subtle details are no doubt lost! Nevertheless, the comet’s ‘anti-tail’ can just be seen pointing towards the 5 o’clock position.

Canon EOS 7D MkII and Canon 70-300mm lens at 300mm and f/5.6. 11 x 1-sec frames were stacked on the comet in DeepSkyStacker software, then the curves adjusted to increase contrast.

The Flaming Star Nebula et al in Auriga. I wanted to get M36 in this and just managed it at 175mm. First iteration - there may be others! :)

 

Nikon D70 modded, 55-200 Nikkor at 175mm (cropped a tad), f5.6, 1600iso, Baader Neodymium filter.

20 x 4 min, unguided EQ5

Darks, flats and bias

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

  

Orion Nebula in Orion - M42. 8 December 2010

 

Same old subject - sorry guys. Took this for a reason though - first light for my diy modded Nikon D70 (removed the infra red filter in front of the sensor). This makes the camera more sensitive to the wavelengths we want in astro images.

 

200p/EQ5 unguided, D70 modded full spectrum at prime focus, iso 1600.

 

30x40 second lights

9 darks

10 flats

30 bias

 

Stacked in DSS with minimal processing in Photoshop. That's the difference between this and the last one - I had to process the other one to death to get any hint of red out of it. With this one it just fell out!

 

Location :

CastresmallObservatory (Castres, Tarn - France)

Acquisition Date :

06/09/16

Author :

Pierre Rougé

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 :

155.0 minutes [32 subexposures of 300 sec each (selected from 32)] @ ISO 1600

Constellation :

Sagitta / Flèche

Calibration :

Dark & bias : 15 & 9 @ ISO 1600 - Flat & Dark-Flat : 9 @ ISO 1600

Weather :

Bonne transparence. Faible vent de E à SE. T=26°C. Humidité nulle

Software Used :

Astro Photograph Tool (v3.11), DeepSkyStacker, PhotoShop CS

 

Test image after the Bayer matrix was scraped from the sensor. Cooling will be needed, of course.

 

It looks like there's blooming on 62Cyg, the brightest star. I'm not sure what happened there. I would not expect blooming from a DSLR, but perhaps scraping the sensor damaged something?

 

NGC 7000, North America Nebula

Lens: Canon 300mm f/4

Mount: CGEM DX

Camera: Canon 350d mono, no cooling, 66F ambient

Exposure: 22x4min ISO 1600, no darks, no bias

Astronomik 12nm H-alpha filter

Guided with PHD, SSAG, 9x50

Captured with BackyardEOS

Mono conversion with dcraw

Registered and stacked with DeepSkyStacker

Photographed from Round Rock TX (Orange zone)

Nebulosas de emisión en la constelación del Cisne, a unos 3700 años luz.

 

iso440.com

This is something I've always wanted to do with a halfway decent camera and some software. Unfortunately, not near the city lights like I did here.

 

The image is a composite of 10 consecutive shots. A great freeware program called DeepSkyStacker was used to line up the stars, stack the images and filter out any anomalous sensor data from the camera.

 

The foreground portion with the farm field was masked-in using photoshop from a single image as the composite blurred this portion due to the earth's movement. You can still see the blur in the silhouette of the trees however. I thought this added a nice touch to the finished product though.

 

Next, I will try to do this away from city lights now that I understand the process a little better.

 

Canon EOS 60D, EF-S 15-85mm f/3.5-5.6 IS USM, ISO 800, 22 sec (x10 composite), 15mm, f/3.5

My first ever stacked photo with my telescope.

 

There are star trails but I still wanted to post this for posterity.

 

Telescope: SkyWatcher ED100

Camera: Canon 70D

 

Frames: 22 light frames, 5 dark. 10 seconds @ 1600 ISO.

 

Stacked in DeepSkyStacker.

Cederblad 214, also known as Sh2-171, is an extensive emission nebula which is linked to Cepheus OB4 and is illuminated by the stars of the open cluster Berkeley 59. Vigorous star-formation processes are taking place inside it generating low-mass stars.

The nebulosity spans about 40 light years across and is located some 3000 light years away.

Within Cederblad 214 lies one of the hottest known stars (actually a binary system) designated as BD+66 1673. Its surface temperature approaches 45000K while its luminosity is about 100000 times that of the Sun.

 

Technical details:

Camera: Canon 350Da

Telescope: Takahashi FSQ-106

Guiding Telescope: Celestron ED80

Mount: Takahashi EM200 Temma Jr

Autoguiding: Toucam 740K, PHD Guiding

 

Total exposure time: 2.3 hours (8360 sec)

 

Exposures in detail:

55 x 152 sec , ISO 1600 , 2009-08-19

Alignment and stacking: DeepSkyStacker

Final post-processing: Photoshop CS3

 

In the Sharpless catalogue as SH2-206. Sometimes called the Fossil Footprint Nebula.

 

This is an emission nebula just under 11,000 light years away in the constellation of Perseus.

 

HII regions of space such as this are formed when the ultraviolet radiation generated by hot stars ionizes the surrounding gas, causing it to glow in the visible light.

You often hear tell that stars are made from dust & gas, well the dust is also affected by this radiation too. The radiation makes the dust glow in the infrared light.

 

Boring techie bit.

 

Skywatcher quattro 8" S & f4 aplanatic coma corrector

EQ6 R pro mount guided with an Altair 50mm & Altair GPcam

Canon 450D astro modded with Astronomik CLS CCD EOS APS-C clip filter. Neewer Intervalometer used to control the exposures.

70 exposures of 80 seconnds each with the best 75% stacked together with calibration frames.

Software used, PHd2, DeepSkyStacker, StarTools and Affinty Photo.

 

Milky way shot in January.

 

3x25s @ ISO 1600, stacked in Deep Sky Stacker.

 

Edited in Rawtherapee. It seems like the processing gets rid of all the EXIF data, is there a way to restore it?

 

Any constructive ccomments welcome.

Fujifilm X-T10, XF18-55mm F2.8-4.0 @ F5.6 and 55mm, ISO 1600, 6 x 3 min, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing in GIMP, taken 11 Sept 2018

 

13 Sept update: Reprocessed with a star mask.

 

June 2019 update: Reprocessed again, still going with the minimized star look to emphasize galaxies. This data really isn't that great, not sure why I keep revising it.

A wide view of the winter sky of 2018 featuring the Christmas Comet 46P/ Wirtanen and the best sights of the winter sky. From the left, starting with the Beehive Cluster, the Gemini and Auriga Constellations, the Rosette Nebula, the majestic constellation of Orion with its Barnard Loop, the rich Orion Arm of the Milky Way with the dense dark nebula cutting across it, The Taurus Constellation and finally Pleiades on the right.

 

Unmodded Nikon D7000.

Tokina 11-20 f/2.8 at 11mm and f/2.8

Sky Watcher Star Adventurer mount.

45 frames x 1min at 1600 ISO

 

Photo by Janmejoy Sarkar.

Esprit 150ED apo triplet,0.77x reducer/flattener.

QHY168C OSC CMOS camera

Altair Triband filter

Mesu 200 Mk1

 

Twenty one subframes at three minutes exposure each captured using dithering (no auto guiding),stacked in Deepskystacker (dark subtraction) and processed in Photoshop CS2.

I was testing the ED80 with a full-frame sensor. I think the result is pretty good, but with significant aberrations (coma?) in the corners. Please let me know if you have advice for correcting the coma. Eg, do I need more space between the reducer and the sensor, or less space?

 

Telescope OTA: Orion ED80 with 0.85x flattener/reducer

Mount: Celestron CGEM DX

Camera: Canon 6D (unmodified), sensor temp ~97°F

Exposure: 20x2min iso800

Filter: None

Captured with BackyardEOS

Registered and stacked with DeepSkyStacker

Photographed from Round Rock TX (Orange zone)

CCD SBIG STL-1001E al fuoco diretto di un telescopio Ritchey-Chretien da 80 cm f/8

 

composizione LRGB

30 pose da 15 secondi per la luminanza

20 pose da 15 secondi per i canali rosso e verde

20 pose da 30 secondi per il blu

 

riduzione con regim, ritocchi alle curve con deepskystacker, compositing con gimp

First night using the Astrotracer functionality of the Pentax O-GPS1. 11 exposures totalling 319 seconds on a fixed tripod. Stacked with DeepSkyStacker.

Sagitarius from very low light polluted area.

Olympus OMD-EM MKII + Canon FD 40mm f1.4 @f2.

25 photos 8 sec photos stacked with Deepskystacker and post-processed with GIMP (astrophoto plug-in) and lightroom. No darks. No flats.

I used only a light tripod (no equatorial mount, no filter).

The three bright stars that form the so-called Summer Triangle: Deneb in the top right, Vega below, right-centre, and Altair, left-centre. The gaseous-looking light isn't plasma but thin clouds in the west reflecting the light pollution from within the city. This is four 15 second exposures (ISO800) stacked in DeepSkyStacker. Levels and curves adjusted in Photoshop CS2

El equipo empleado fue...

 

Telescopio: ED80 Sky Watcher

Montura: LXD75 Meade

Cámara: QHY163m

Guiado: MiniScope 50mm Orion, CámaraGuia/QHY5 L-II c

Adquisición: APT (AstroPhotographyTool)

Apilado y procesado: DeepSkyStacker, PixInsight, Photoshop

 

Tomas

L: 5x600s

Expo Total: 55 min

Temperatura sensor: -10°C

Distancia Focal: 600mm

F/ 7,5

 

celfoscastrofotografia.blogspot.com/2018/08/noche-de-pers...

The area of nebulosity around the star Sadr in Cygnus. Sadr's "formal" name is γ Cygni, or Gamma Cygni, and the area takes the name Gamma Cygni Nebula, IC 1318. The nebula immediately below Sadr is commonly known as the Butterfly Nebula. About 1500 light years away - as the crow flies :)

 

Nikon D70 full spectrum, 55-200 Nikkor at 200mm (cropped) , f6.3, 1600iso, Baader Neodymium filter.

27x180sec subs for a total of 1hr 21mins, unguided EQ5

Darks, flats and bias

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

 

The new filter seems to have given me more star colour, which is nice, and the new mask seems to have kept the stars reasonably under control (by DSLR standards).

  

Pacman Nebula in Ha, O3, S2 (HOS/CFHT Palette)

 

Equipment

Imaging Telescopes Or Lenses

Skywatcher Explorer 200

Imaging Cameras

ZWO ASI1600MM Pro

Mounts

Sky-Watcher HEQ5

Filters

ZWO Narrowband Filters Ha, OIII, SII

Software

Adobe Photoshop · Luc Coiffier DeepSkyStacker (DSS) · Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)

12th of February 2017

Venus at greatest illuminated extent

(at its brightest this year)

Apparent magnitude: -4.5

Apparent diameter: 35".7 arcsec

Illuminated phase: 32%

1 2 ••• 37 38 40 42 43 ••• 79 80