This is the cleanest photo I've taken of the Orion nebulae complex from the Flame and Horsehead nebulae to the Running Man and Great Orion Nebula (M42). This is a total of one hour's worth of exposure data (12 x 5 minutes) under a rural sky. I did use a light pollution filter to cut out the sky glow from the surrounding villages. I may tweak the colour saturation later. But I just wanted to show you how fairly clean it looks.

Downloaded the trial version of PixInsight the other day (for the third time), and gave it a good going over, as much as I could. Finally came to the conclusion, rightly or wrongly, that there isn't a huge amount in PI that can't be done in PS, with one or two exceptions, one of which is DBE.

I used DBE on this as the gradient had caused problems in my previous iterations, then processed in PS. One other plus from PI was that, having studied a few tutorials, I learnt a bit more about noise reduction, and put that into practice.

This has to be my final version of this - I'm not going to get anything more out of it. I think it beats my previous one :) I saw a version of this the other day, probably better than this, that consisted of less than 3 hours of 5 minute subs - my skies got a verbal lashing that night, I can tell ya! :)

SW ED80/EQ5

Nikon D70 modded, Baader Neodymium filter

16 hours of 4 - 12 minute subs @ ISO 640 - 1600

Guiding: Quickcam Pro4000/9x50 finderscope, PHD

Stacked in DSS and processed in PI and CS5

cropped edited from the same data

Great area of sky, a little reflection nebula nestled in amongst a large region of emission nebulosity.

Details;

scope : ED80

Mount ; NEQ6

camera: 350Dmod

guided by 9x50finder/ASI120 - phd2 CdC

16 x 8mins

3 x 10mins

11darks.

DSS/PS

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).

Last Monday at 2:40am i captured the first heralds of the cold season in the northern hemisphere:

Pleiades (M45) and California Nebula (NGC 1499) surrounded by the IFN

Canon EOS 6D (not astromodified) | EF f/2.8L 100mm Macro

mounted on Bresser MON2

f/4.0 | ISO3200 | 20x180sec

Stacking with DeepSkystacker

Stretching and postprocessing in Fitswork and PS

My Astrobin My Facebook My 500px

An unguided image of the open star cluster M52 in the constellation Cassiopeia taken with a ZWOASI183MC camera using an Explore Scientific 102ED refracting telescope. 100 twelve second light frames, 20 dark frames, and 10 flat frames were processed using DeepSkyStacker and Adobe Lightroom.

Taken with a TMB92L, Hutech-modified Canon T3i DSLR, Orion SSAG autoguider and 50mm guidescope, and Celestron AVX mount. Consists of 35 120-second light frames and 31 120-second dark frames, all at ISO 800, as well as 35 flat and 50 bias frames. Captured with BackyardEOS, stacked in DeepSkyStacker, and processed in Photoshop.

Taken with a TMB92L, Canon T3i DSLR, Orion SSAG autoguider and 50mm guidescope, and Celestron AVX mount. Consists of 59 90-second light frames, 40 90-second dark frames, 40 10-second light frames, 20 10-second dark frames, and 40 5-second exposures, all at ISO 800, as well as 15 flats. Captured with BackyardEOS, stacked in DeepSkyStacker, and processed in Photoshop.

The Perseus molecular cloud complex, about 1,000 light-years from Earth, contains two notable areas of star formation: the IC 348 star cluster on the lower left, and NGC 1333 (VdB 17) on the upper right. Other DSOs in this extent include: Barnards 1,3,5, 202, 204, 203, 205, 206; and reflection nebulae VdB 12 (yellow), VdB 13 (blue), and VdB 16 (blue).

Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, 50 x 60 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing with Astro Pixel Processor and GIMP, taken on Nov. 20, 2019 under Bortle 2/3 skies. This dust is faint - I pushed the data pretty hard; APP was great for maintaining good color despite the pushing.

Taken using Skywatcher 80ED Pro (.85XFR), Nikon D3300, 104x30" lights (ISO 1600), 100 flats, 110 bias. Stacked in DeepSkyStacker and processed in Photoshop.

Pelican, North American Nebulae narrowband 2 panel mosaic. Each panel was stacked, assembled, and processed with the following exposure times for each panel: 20X600"Ha, 20X600"OIII, and 20X600"SII.

Equipment used:

Canon 200mm f2.8 lens at f4, Atik 428ex camera, AP900 mount, DeepSkyStacker, Photoshop levels, curves, blending, guided with ZWO174mm and Stellarvue SVR90T.

13 x 1-minute unguided exposures at ISO 3200.

Astro-modified EOS 600D & Revelation 12" f/4 Newtonian reflector telescope.

Frames registered and stacked using DeepSkyStacker; curves adjusted and cropped in Paint Shop Pro.

The open cluster NGC 2158 is one of those things that made me do a “double take” when I got back into astrophotography several years ago. Of course I knew about the open cluster Messier 35 (M35), but when I looked at my first DSLR photo of M35 and spotted that hazy little ball nearby, I thought I found something new, a comet perhaps….not the case.

NGC 2158 is located in the constellation Gemini, southwest of M35. While it looks like they are close together, NGC 2158 is actually around 9,000 light-years behind M35 (11,000 light-years from Earth). It has an apparent magnitude of 8.6.

Tech Specs: The close-up image is composed of 14 x 60 second images at ISO 3,200 with 5 x 15 second darks and 5 x 1/4000 second bias frames using a Meade LX90 12” telescope and Canon 6D camera mounted on a Celestron CGEM-DX mount. Imaging was done on February 26, 2017 from Weatherly, Pennsylvania. The wide-field inset view was taken in 2014 using a Canon 6D and 400mm lens.

Online references:

Wikipedia (en.wikipedia.org/wiki/NGC_2158)

DeepSkyPedia (deepskypedia.com/wiki/NGC_2158)

DSO-Browser (dso-browser.com/deep-sky/3084/ngc-2158/open-cluster)

Target:IC 443 Jellyfish Nebula a supernova remnant in the constellation of Gemini at 5000 light years distance.

Location:Shot over three nights in Feb 2021 from St Helens UK Bortle 8 around full Moon.

Aquisition:65x 180s Ha, 45x 180s (OIII), 45x 180s (SII). Total integration 7 hours 45 min.

Equipment:Imaging: Skywatcher Esprit 100ED, HEQ5Pro, ZWO ASI1600MM Pro, EFWmini with Baader narrowband filters.

Guiding: Skywatcher 9x50 Finder with ZWO ASI120MM.

Software:Aquisition: NINA, PHD2, EQMOD

Processing: DeepSkyStacker, Siril, Starnet++, Photoshop.

Memories:All 3 nights (16, 25, 26 Feb 2021) clear and calm but full Moon generating gradients. Still worth imaging though, an enjoyable project. Processed as SHO.

My Astrophotography

Messier 81 and 82 are a pair of galaxies in Ursa Major (near the Big Dipper). They are about 12 million light years away.

Equipment

Main Scope:

152mm David H. Levy Comet Hunter at Focal length 730mm

Guiding Scope: 50mm. Focal 180mm

Mount: Skywatcher EQ-5 Pro Synscan Goto

Guide camera: ZWO ASI120mm

Main camera: ZWO ASI294MC -Pro cooled camera

Imaging Software: stellarmate EKos

Accessories:

Stellarmate Plus

Pegasus Pocket Powerbox

Quad Channel Digital Dew Controller

Sesto Senso focuser

ASC 20cm USB dew heater for guide scope

ASC-150cm dew heater (12V) for main scope

Programs:

DeePSkYStacker

PixInsight

Adobe Lightroom

Details:

2 Days 4/2/2021 and 19/3/2021

Camera temp: -15°C

Gain: 80

Light: 35x90s (52 muniutes)

Light: 120*60s (2 hours)

Light:

Total of 2.52 hours

Taken From Bortle 4/5

Humidity 70%

Moon: 57.7%, Waning Crescent - in day 1

moon: 30.8%, Waxing Crescent - in day 2

Rosette Nebula 30x300sec light pics

30x darks

30x bias

30x flat

Skywatcher ed80 - 600mm

Skywatcher AZ GTI

Asi294mc

Asi120mm

ZWO Guid scope

Celestron power tank 13

AsiairPro

DeepskyStacker + iPhone Photos App

Comet C/2020 F3 (NEOWISE) imaged at around 01:41CEST on 19 July 2020 from the beach at Wassenaar in The Netherlands.

The weather was unhelpful, with clouds drifting through, and this is the best set I could get in the brief time before it was completely socked in. At least it shows the ion tail nicely, extending to 15º or more from the nucleus.

Nikon D7000 + 85mm lens at f/2, 40 x 3 sec exposures unguided at ISO 800. Aligned and combined in DeepSkyStacker, then post-processed in LightRoom.

The small purple squares around the brighter stars are probably linked to saturation in the CMOS detector, enhanced in this processing. The whole image is more "impressionistic" than accurate, colour balance included, but hey, we've also seen more than enough pristine Comet NEOWISE pictures, right? :-)

Fecha: 22-02-2020, de 21h46m a 00h23m U.T.

Lugar: Las Inviernas, Guadalajara

Temperatura: de +04.0ºC a +01.5ºC

Cámara: ZWO ASI071MC Pro

Óptica: Telescopio Smidt Cassegrain C8, de 203 mm de diámetro y 2023 mm de distancia focal (f/10).

Montura: Skywatcher EQ6 Pro Synscan v.3.25

Guiado: Automático con QHY-5 mono y PHD Guiding v.1.14.0, utilizando un telescopio refractor Orion 80mm de diámetro a f/5.

Filtros: Ninguno.

Exposiciones: 10 imágenes de 600s cada una, a -05ºC y 300 de ganancia,

en total, 1h40min.

30 darks de 600s, a -05ºC y 300 de ganancia.

30 bias de 0.001s, a -05ºC y 300 de ganancia.

Software: APT Astro Photographic Tool v.3.82

DeepSkyStacker v.4.2.0

PixInsight LE 1.0

Adobe Photoshop CC 2017

Astronomy Tools v.1.6

Object name: Carina Nebula

Constellation: Carina

Object ID: NGC3372 & NGC3293, NGC3324, IC2599

Coordinates: RA: 10h42m42.455s, DEC: -59°28’54.086”

Apparent FOV/Radius: 3.23° x 2.16° (193.8 x 129.6 arc-min)/1.943°

FOV Angle: Up is 134.9° E of N

Exposure Date: 12, 13, 17 March 2025

Sky Bortle Class: 4

Distance: ~8,500 LY

Magnitude: 1.0

Exposures: Hα:200x60s, OIII:137x90s, SII:184x120s @ HCG2CMS:62/OFS:25 (12h53m30s)

Telescope: Celestron C8 HyperStar V4

Focal length: 389.73mm (f1.9)

Camera: QHY268M -5°C BIN1x1

Resolution: 3.93”/px

Guiding: ToupTek G3M220M on BOSMA refractor guide scope

Mount: CGEM-HT

Capture & Guide Software: Astrophotography Tool 4.60, PHD2.6.13dev7 Guiding

Processing Software: Siril 1.2.6, DeepSkyStacker 5.1.8, Photoshop CS4, GraXpert 3.1.0rc2, Starnet V2, Cosmic Clarity Suite 6.4AI3.5.

Chinese astronomers in 1054 recorded a new 'star'. This new star was visible during the daytime for almost a month.

What they were actually witnessing was a supernova, the death of a star.

This particular star was about 6,500 light years away. They didn't know it at the time but, they were witnessing something that actually happened around 5,450 BC.

It's believed that the Crab Nebula is the remnants of that supernova.

M1 is six light years across!

It was first discovered in 1731 by John Bevis. M1 is what inspired Charles Messier to later start his now famous Messier catalogue. After he thought he'd found Halley's comet and realised it wasn't, he decided to make a list of things that weren't comets, and so therefore, not worth observing. Now, every astronomer and astrophotographer are fascinated by them.

BORING techie bit:

Captured using a Skywatcher Quattro 8" with f4 coma corrector on a HEQ5 mount.

Guided using an Altair 50mm guidescope and GPcam combo.

Canon 450D astro modified and with Astronomik CLS CCD APS-C clip in filter.

Location: Newhey, Rochdale, UK.

13 exposures of 3 minutes each. Stacked together with calibration frames using DSS and all processing done with StarTools.

A stack of 24x60s exposures using a QHY22 camera on a 300mm F/4 Newtonian telescope. CLS filter. Off-axis guider.

Registered and Stack in DeepSkyStacker. Post-processing in PixInsight and GraphicConverter 11

A reprocess of previous data - NGC2244 / Rosette nebula.

ED80 - ATIK16HR - astronomik ha clip/baader OIII filters. Processed in photoshop - capture/stacking nebulosity.

i really must leave this data alone now :D

FSQ106ED + QE0.73X + QHY600EB(-15C)

Astrodon Tru-Balance E-Series Gen2

L31x180sec+10x60sec,R12x180sec,G10x180sec,B10x180sec

on SkyWatcher AZ-EQ6GT (Total:199min)

Guiding: QHYOAG + ASI120MM-Mini + ASIAir

DeepSkyStacker, StellaImage7, Photoshop CC2019

Locations: Kamogawa Sports Park, Kibichuocho, Okayama, Japan

Oct. 2019

C2017 K2 PANSTARRS

Fecha: 23-07-2022, de 21h27m a 23h09m U.T.

Lugar: Las Inviernas, Guadalajara

Temperatura ambiente: de +20.5ºC a +18.5ºC

Cámara: ZWO ASI071MC Pro

Óptica:

Telescopio Newtoniano TS, 200mm de diámetro f/4.

Corrector de coma Baader MPCC Mark III.

Filtro: Omegon Light Pollution Filter.

Montura: Skywatcher EQ6 Pro Synscan v.3.25

Guiado: Automático con QHY-5 mono y PHD Guiding v.1.14.0, utilizando un telescopio refractor SvBony 60mm de diámetro a f/4.

Exposiciones:

20 imágenes de 300s cada una, a +01ºC y 100 de ganancia

en total, 1h40min.

29 darks de 300s, a 0ºC y 100 de ganancia

30 flats de 60s, a -05ºC y 100 de ganancia

30 bias de 0.001s, a 0ºC y 100 de ganancia

Software: DeepSkyStacker v.4.2.6

PixInsight LE 1.0

Adobe Photoshop CC 2019

Astronomy Tools v.1.6

Observaciones:

Cámara girada 90º respecto al tubo del portaoculares del TS200.

C/2017 K2 PANSTARRS

542 Sussana

Distancia a la Tierra (UA)

1,83

2,23

Magnitud aparente

+6,94

+13,47

Diámetro (km)

20

41,6

Same Image layers as last one

Camera: Canon T4i Modified for higher Ha response.

Telescope: Orion 80mm ED, Field Flatter

Mount: G11 Guided

Exposure: 10 exposure of 90, 120, 150, 180 seconds @ISO 800

Each Exposure batch was partially processed and then merged as layers in Photoshop Cs & Astronomy Tools 1.6.

Cropped to half the size

** Thank you AstroBackyard.com** for all the videos

The Fossil Footprint Nebula.

Discovered in 1790 by William Herschel NGC 1491 can be found in the constellation of Perseus at a distance of approximately 11,000 light years from us.

Known as a HII region. This type of nebulae is caused by ultraviolet radiation from the hot young stars being born within ionizing the surrounding nebula, which cause it to glow in visible light allowing us to see it.

Boring techie bit:

Skywatcher Quattro 8" Newtonian Reflector steel tube with the f4 aplanatic coma corrector, Skywatcher EQ6 R pro mount, Altair 60mm guide scope, ZWO asi585mm guide camera, ZWO asi533mc pro cooled to -20c gain 101, Optolong L'enhance 2" filter, ZWO asiair plus.

85 light frames combined with calibration frames in DeepSkyStacker and then further processed using PixInsight, Graxpert & Affinity Photo.

Manually guided for 8 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.

Orion nebula photographed with 2.8/300 mm lens.

Yes, that works quite well!

0.8 sec exposure time, aperture 2.8, ISO 6400, approx. 5x digital magnification.

63 photos out of 100 selected and calculated with DeepSkyStacker, with 15 darkframes (calculation of image noise) and 15 biasframes (calculation of transmission noise)

Without tracking!

Tripod low, no wind.

... con l'80ino tripletto, lo so, tedio, ma volevo rifarla degnamente con quest'ottica :)

autori, me e Valentina Saltarelli (sempre più stoica, alla stregua di Messner alla ghiaccio tutta la notte, ha resistito fino ai flat)

Telescopi di acquisizione: Apo triplet 80/480

Camere di acquisizione: Canon / CentralDS EOS Astro 50D

Montature: Sky-Watcher EQ6 Pro

Telescopi guida: Telescopio guida 60/228mm

Camere di guida: lacerta mgen2

Software: DeepSkyStacker, Adobe Lightroom 3, Silicon Fields StarTools 1.3

Filtri: Orion SkyGlow 2" Imaging Filter

Accessori: Orion 2x Shorty Barlow Lens

Date: 06 novembre 2013, 06 dicembre 2013, 07 dicembre 2013

Luoghi: Fubine (AL), Cossombrato (AT)

Pose:

Orion SkyGlow 2" Imaging Filter: 20x300" ISO1600 -18C bin 1x1

Orion SkyGlow 2" Imaging Filter: 5x420" ISO1600 -19C bin 1x1

Orion SkyGlow 2" Imaging Filter: 8x180" ISO2500 -5C bin 1x1

Integrazione: 2.6 ore

Astrophotography is and has been my thing for a few years now. My main focus has always been the stars. Im happy to share the second of my two milky way shots in the Dolomites with you.

I reedited this one with Pixinsight which i have started to learn the basics of.

Edit: If you like my work and want to see more check out my Instagram @photodiction

Gear:

* Nikon D850

* Nikkor AF-S 50mm 1.8 ED

* IOptron Skytracker Pro

Settings:

* Sky: 10x f4 60s ISO3200

* Foreground: 5x f1.8 60s ISO6400

Editing:

* Stacking of sky in Deepskystacker

* Editing of sky in Pixinsight

* foreground aligned and stacked in PS then edited in LR

* final mask of the two

This is a stack of 30 exposures of 60s each of the Cygnus constellation (plus 8 dark-frames). The camera (Sony ILCE7) and the prime lens (Sonnar T* FE 55mm F1.8 ZA) have been attached to a "Star Adventurer"-mount in order to compensate for earth rotation, while shooting at F2.8/ISO 1600. Stacking has been done with DeepSkyStacker, and final editing with Photoshop CC 2015.

My first go at the Andromeda Galaxy (M31) using the TAIR-3S (300 mm f/4.5) and unmodified Samsung NX30. 44x 30 s (+20 dark frames, 20 bias frames) @ ISO 3200. Tracking using clockwork-driven barndoor mount. Focusing with Bahtinov mask. Stacking with DeepSkyStacker using Superpixel Debayering. Post-processing using Fitswork and Aurora HDR 2018.

The image was acquired from Byala, Bulgaria at the Black Sea coast while the galaxy stood nicely over the ocean on a clear, moonless night, minimising background sky brightness. No optical filters.

EDIT: I wasn't satisfied with the previous version, particularly the strong red chromatic aberrations around the stars. I finally found a way to reasonably correct that using Fitswork. I additionally used Fitswork for de-vignetting and noise reduction (wavelet filter), as well as some subtle color balance corrections.

Finally! DeepSkyStacker 64 is here and it is Open source!

Scope: Celestron 8 inch Schmidt-Cassegrain .

Camera: full spectrum Canon T1i

Mount: Orion Sirius - EQMOD driven

6 HRS integration

Software: Astrophotography tool, PHD2, DeepSkyStacker 64, PS CS5

The thin, dark disk of dust around the galaxy shows up very nicely.

33 x 1-minute at ISO 6400 (taken 14 April 2020) and 8 x 3-minutes at ISO 1600 (taken 8 May 2018). Modified EOS 600D & Revelation 12" Newtonian f/4 reflector telescope.

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

Note that I've cropped the result quite extensively, as I'd framed the galaxy very differently in the 2020 and 2018 exposures, so the edges were very uneven.

LDN 673 (upper right quadrant) is one of those dark nebula that I often stopped to admire when surfing astroimages. I was excited to find that I could capture some of its structure at 135mm, and that it would fit nicely in the same 135mm extent with the more frequently imaged Barnard's E. This shot has been planned for awhile but took me awhile to get to.

Acquisition details: Fujifilm X-T10; Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600; tracking with iOptron SkyTracker Pro; 36 x 60 sec; stacking with DeepSkyStacker; editing with Astro Pixel Processor; and curves adjustment/star reduction/editing with GIMP; taken on Sept. 2, 2021 under Bortle 3/4 skies.

I shot this area with this exact framing last December, but wanted to improve my image. This time my focus was better (I didn't have a Bahtinov mask then), I shot and processed raw (jpeg last time), and I used Astro Pixel Processor tools for processing.

The only thing that wasn't better this time around was my tracking - I only used 50% of my subs, many of which still had slightly trailed stars; I think my balance was off. I would have liked more integration time, but still got a result I'm happy with using only 35 minutes of data.

Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, 35 x 60 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing with Astro Pixel Processor and GIMP, taken on Oct. 6, 2019 under Bortle 3/4 skies.

Jan 7 2020 edit: A very slight re-edit - I monkeyed with the original stack a bit less this time - I like the Horsehead Nebula better in this version.

Data for this was captured at the end of an imaging session back in September and has been hiding on my hard drive ever since!

www.DonegalSkies.com

Buy Prints here: www.lokofoto.com/photos/4336

Location: Killygordon, Co. Donegal, Ireland.

Time: 00:00 - 01:00

Date: 22 Sep 2012

Target: Andromeda Galaxy

Exposures: 4 x 10 minute exposures (10 x Darks, 5 x Flats)

Equipment:

Mount- Celestron CG5-GT (unguided)

Camera- Self-modified Canon 1000D

Telescope- Celestron Oynx 80ED

Additional- Astronomik cls clip LP filter.

Stacking & Processing: DeepSkyStacker & Photoshop CS5

This is the Great Orion Nebula which spans 14 light years across. This Nebula is a nursery for stars that are only 1 million years old. This makes them practically infants when you compare them to our own Sun, with an age of 5 billion years. The Nebula sits approximately 1,500 light years away from us.

Stack of 20 light frames in polluted urban skies. 30 Second exposures.

Canon 7D mark II + Canon 70-200 f2.8 IS II lens @ 200mm f3.5

Thanks for looking.

© Moe Ali Photography

www.moealiphotography.com

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It's 3 panel mosaic from data which I was gathering for 5 nights (1 night for main panel and 2 nights for each arm). Each panel was drizzled 2x in DeepSkyStacker what resulted in 130 Mpix image after the final crop.

Equipment:

Scope: GSO 8" f/4

Mount: Sky-Watcher EQ6 R

Camera: Canon 600D mod

Guide scope: ZWO 60/280mm

Guide camera: ZWO ASI 120MC-S

Coma corrector: Baader Mark III MPCC

Filters: Baader UV/IR Cut (L) 2"

Acquisition:

Lights: 57x180" ISO 800 for each panel

Calibration frames: 50x Darks (for each panel), 50x Flats, 50x Bias

Total integration time: 8h 33m

Localization: Small village near Płock, Poland (Bortle 5)

Software:

Guiding: PhD2

Capture: APT

Mount control: Stellarium (ASCOM)

Postprocessing: Deep Sky Stacker, Pixinsight, Photoshop, Lightroom

Camera: Nikon D50

Exposure: 30m (14 frames) ISO 800 RGB

Focus Method: Prime focus

Telescope Aperature/Focal Length: 203×812mm

Mount: LXD75

Telescope: Meade 8" Schmidt-Newtonian

Guided: Yes - PHD Guiding

Stacked: DeepSkyStacker

Adjustments: cropped/leveled in Photoshop

Location: Flintstone, GA

This is NGC2841 The Tiger's Eye galaxy.

First discovered by William Herschel 9th of March 1788.

It's an unbarred spiral galaxy which can be found in the constellation of Ursa Major (the Great Bear).

It's 46 million light years away and approximately 150,000 light years across, so, quite big.

Imaged taken 5th of January 2022 from my back garden.

Boring techie bit.

Skywatcher quattro 8" S & f4 aplanatic coma corrector

HEQ5 pro mount guided with an Altair 50mm & GPcam setup

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

Canon 135 f/2 (stopped down to 2.8) lens attached to SX Trius 694 + Baader 7nm Ha filter piggybacked to main scope on a CEM60 was used to capture eleven subframes at 300 seconds each. Stacked in Deepskystacker and processed in StarTools and Photoshop CS2

Taken 07/01/22

starting astrophotography (third night session)

M51

Team johannes-werner:

Teleskop 9,25’’ Schmidt-Cassegrain von Celestron mit 2.350 mm BW (Johannes)

Camera: D850, Software: DeepSkyStacker + Lightroom + Photoshop (Werner)

90 lights and 10 darks (bias and flats next sessions)

Located 6,400 light years away in the constellation of Orion, the Monkey Head is an emission nebula and home to the open star cluster NGC 2175.

The nebula acts as a womb for new stars to be born. Those new stars then radiate such immense energy that blasts in to the surrounding gas and dust that makes up the nebula. This has the effect of not only clearing away the surrounding nebula from the newly born star but, causes the gas and dust in other areas to be pushed together. When enough of this material is pushed together it allows gravity to take hold and pull more and more of it in. When enough of it is pulled together there's a good chance another star will be born.

Boring techie bit:

Skywatcher Quattro 8" Newtonian Reflector steel tube with the f4 aplanatic coma corrector, Skywatcher EQ6 R pro mount, Altair Starwave 50mm guide scope, ZWO asi120mm guide camera mini, ZWO asi533mc pro cooled to -20c gain 100, Optolong L'enhance 2" filter, ZWO asiair plus.

180s exposures.

Best 70% of 30 light frames.

Darks, Flats & Bias.

Stacked with DeepSkyStacker, and processed in Affinity Photo.

Canon 500D

Sigma 120-400 @250mm

ISO 800-1600

f 7.1

frames of 90 seconds

total exposure about 67 minutes

dark bias flat

Object name: Pincushion Cluster/Football Cluster/Black Arrow Cluster/Wishing Well Cluster - RGB+SHO

Constellation: Carina

Object ID: NGC3532, NGC3503, NGC3572, NGC3590, NGC3576, NGC3579

Coordinates: RA: 11h08m10.081s, DEC: -59°35’52.128”

Apparent FOV/Radius: 3.07° x 2.05° (184.2 x 123.0 arc-min)/1.847°

FOV Angle: Up is 316.7° E of N

Object Apparent Dimensions: 03°04’12” x 02°03’00” (184.2 x 123.0 arc-min)

Exposure Date: 4, 6, 8, 9, 18, 19, 23 April 2025

Sky Bortle Class: 5

Distaance: ~8,500 LY

Magnitude: 1.0

Exposures: Hα:111x90s, OIII:100x120s, SII:78x180s, R:210x60s, G:265x60s, B:180x60s @ HCG2CMS:62/OFS:25 (20h55m30s)

Telescope: Celestron C8 HyperStar V4

Actual Focal length: 389.73mm (f1.9)

Camera: QHY268M -5°C BIN1x1

Resolution: 1.99”/px

Guiding: ToupTek G3M220M on BOSMA refractor guide scope and GPUSB.

Mount: CGEM-HT

Capture & Guide Software: Astrophotography Tool 4.60, PHD2.6.13dev7 Guiding

Processing Software: Siril 1.2.6, DeepSkyStacker 5.1.10, Photoshop CS4, GraXpert 3.1.0rc2, Starnet V2, Cosmic Clarity Suite 6.5AI3.5.

Taken with a Sigma AF 70-300mm f/4-5.6 APO DG at 200mm and f/5, Canon T3i DSLR, and Celestron Advanced VX mount. Consists of 35 light and 35 dark frames, each a 90-second exposure at ISO 800, and 21 flat frames. Captured with BackyardEOS, stacked in DeepSkyStacker, and processed in Photoshop.

Target:Bode's Cigar and Garland Galaxies (M81 M82 NGC3077) in the Constellation of Ursa Major, about 12 million light years away.

Location:16,17/3/21 St Helens UK Bortle 8, 13% moon.

Aquisition:18x 180s Red, 18x 180s Green, 20x 180s Blue, 60x 60s Lum, 18x 600s Ha. Total integration 6h 48m.

Equipment:Imaging: Skywatcher Esprit 100ED, HEQ5 Pro, Zwo ASI1600MM Pro, EFW, HaLRGB, LPro.

Guiding: Skywatcher 9x50 Finder with ZWO ASI120MM.

Software:Capture: NINA, EQMod, PHD2.

Processing: DeepSkyStacker, Photoshop, Siril, Starnet++.

Cygnus 04/08/2016

Modified Camera, 20x240 s 50 mm, f4 iso, 800 Hungary, Székesfehérvár