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IC1848 Soul Nebula.

 

Soul nebula IC1848, narrowband processed. The stars are forming in the soul of the Queen of Ethiopia. More specifically, in a star-forming region called Soul Nebula can be found in the constellation Cassiopeia, a constellation Greek mythology identified as the arrogant wife of a king who has long ruled the lands around the top river Nile. the Soul nebula contains several open clusters of stars, an intense radio source known as W5 and huge bubbles formed by winds from massive young stars. Located about 6,500 light-years away, the Soul Nebula spans about 100 light years.

Technical data:

 

Remote Observatory "FarLightTeam"

Team: Jesús M. Vargas, Bittor Zabalegui,José Esteban, Marc Valero.

Telescope: Takahashi FSQ106 ED 530mm f/5

CCDs: QSI683 wsg8

Filters: Baader Planetarium - Halpha-SII-OIII

Mount: 10Micron GM1000 HPS

Imaging Software: Voyager

Processing Software: PixInsight-AstroPixelProcessor

 

Imaging Data:

 

Captured through 12 December 2021 to 21 February 2022, ( Fregenal de la Sierra ) Badajoz, Spain.

 

Image composed of a Mosaic of 2 tiles:

Ha: 94x1200"

SII-OIII: 147x1200"

 

Darks, flats, bias

 

Processed by: Jesús M. Vargas

 

Comet Leonard increased in brightness by more than 2 magnitudes and within a day faded and then faded further in the next day.

 

COBS (Comet OBSveration database) contributions indicates that C/2021 Leonard had a significant outburst just prior to its recovery in the evening sky on December 15/16 2021. The comet flared to mag 3.5 and then quickly subsided to mag 5 by December 18. These three images were captured with a Vixen VSD 100 mm telescope and a Nikon Z7II camera mounted on a Vixen SXP. About 2.5 minutes of images were acquired with subs and stacked with AstroPixelProcessor and finished with Photoshop. With clouds and haze in Tucson and Comet Leonard gaining altitude each day the differences shown are not normalized and are a qualitative product of the captures. On December 17 there was considerable haze that like reddened the coma shown.

 

The outburst on Dec 15/16 ejected much coma material. This then appears to be observed as an extended coma trail 24 h later in the middle image on December 17, and without the continuing outburst on December 18th the coma is much smaller and compact in the faded comet.

The clouds finally gave me a break to shoot this. This is my first real comet capture (I shot NEOWISE a few years ago but it was just a stock DSLR/lens shot).

 

I have a very quick timelapse at the beginning of this video covering the comet if anyone's interested: www.youtube.com/watch?v=-ApH5fxkWBI

 

You can find more of my videos at: youtube.com/Naztronomy

 

See this on Astrobin: www.astrobin.com/telzdd/

  

Equipment used:

* Astro-Tech AT60ED with the 0.8x Reducer/Flattener on Advanced VX Mount

* Mount controlled via Astroberry

* ZWO ASI533MC Pro

* Svbony 60mm guide scope with ZWO ASI120MM-Mini guide cam

* 25x240sec with L-Pro

* 15 darks

* 30 flats for each session

* 35 bias

* I stacked the Comet in AstroPixelProcessor and stacked the stars in Siril to try and just get the stars stacked. I then made a composite in Photoshop.

 

Due to my exposure settings, I couldn't get rid of the comet in a star stack in APP and I couldn't get rid of the stars in Siril so I ended up combining them.

 

You can see a higher resolution at www.naztronomy.com/images/portfolio/fullscreen/Comet_c202...

  

Happy to answer any questions! Thanks for looking!

Oberon and Titania can be imaged with a small telescope, Ariel, Umbriel and Miranda are closer to Uranus and are lost in the Bright glare in these images. I used 3x120 seconds for each image made with 24 hrs interval. The"Moons of Uranus" observing tool shows the relative positions of the Moons. The movement of Uranus relative to the background stars is also obvious.

 

Esprit100 refractor/QHY16200 CCD.

 

Ref: www.skyandtelescope.com/observing/interactive-sky-watchin...

The Veil nebula consists of different parts, each with their own designation. The best known ones are NGC6960, or the Eastern Veil Nebula, and NGC6992/NGC6995, or the Western Veil Nebula.

 

"The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus.It constitutes the visible portions of the Cygnus Loop, a supernova remnant, many portions of which have acquired their own individual names and catalogue identifiers. The source supernova was a star 20 times more massive than the Sun, and it exploded between 10,000 and 20,000 years ago. The remnants have since expanded to cover an area of the sky roughly 3 degrees in diameter (about 6 times the diameter, and 36 times the area, of the full Moon)."

- Wikipedia

 

Shooting Location :

* 51° N 3° E

* Bortle class 5 backyard

 

Object Information

* Type : Supernove Remnant

* Visual Size : Approximately 3°

* Magnitude : 7.0

* Frame Center (J2000.0): RA 20h 51m 07s / DEC +30° 40' 07"

* Approximate distance : 2.400 lightyears

 

Hardware

* Mount : iOptron CEM25P

* Imaging Scope : Canon EF 70-200mm f/2.8 L IS II USM

* Focal Length Setting : 128mm

* Aperture Setting : f/2.8

* Imaging Camera : ZWO ASI 183MM

* Filter Wheel : ZWO EFW 7*36mm + Baader Ha 7nm, Baader OIII 8.5nm + Baader SII 8.5nm + Baader LRGB

* Guide Scope : --- No Guiding ---

* Guide Camera : --- No Guiding ---

 

Exposures

* Gain : 111

* Sensor Temperature : -20°C

* Light Frames :

- Baader Hydrogen-Alpha : 71x 120sec

- Baader Oxygen-III : 67x 120sec

* Dark Frames : 50x

* Total Integration Time : 4h36m

* Capture Dates : 2020-09-14 & 2020-09-21

 

Capture Software

* ZWO ASIair Pro

 

Color Mapping :

* Red : Hydrogen-Alpha

* Green : Oxygen-III

* Blue : Oxygen-III

 

Processing Software

* AstroPixelProcessor

* PixInsight

* Adobe Photoshop

A complementary near-far juxtaposition. In the lower left is the relatively nearby ball of glowing gas known as M97 or the Owl Nebula, and at upper right is the much more distant spiral galaxy M108. Other even more distant galaxies appear in the same frame. The stars and the nebula are all in our Milky Way Galaxy a few thousand light-years away while M108, also known as NGC 3556 is at an astounding 32 million light-years away.

 

80 exposures, 6 minutes each, Explore Scientific ED102 102mm f/7 refractor, ZWO ASI294MC camera, dual narrow-band filter (Hα,[O III]), iOptron CEM25P mount, ASIAir controller. Processed in Astro Pixel Processor and Lightroom.

SA, D800 (modified), Nikkor 180mm f/2.8 lens, IDAS LPS P2 filter, ISO1600, 1min*33

 

AstroPixelProcessor, Starnet and CS6 processed.

Processed by me, data from Telescope Live Network.

PixInsight, APP and Photoshop.

Dati: 32 x 300 sec a gain 5 e offset 25 a -10° c + 26 dark + 25 flat e darkflat

Filtro Astronomik UV/IR Block L2

Montatura: eq6 pro

Ottica: Takahashi FSQ106

Sensore: QHY168C

Cam guida e tele: magzero mz5-m su Scopos 62/520

Software acquisizione: nina e phd2

Software sviluppo: AstroPixelProcessor e Photoshop

 

Soul nebula IC1848, narrowband processed. The stars are forming in the soul of the Queen of Ethiopia. More specifically, in a star-forming region called Soul Nebula can be found in the constellation Cassiopeia, a constellation Greek mythology identified as the arrogant wife of a king who has long ruled the lands around the top river Nile. the Soul nebula contains several open clusters of stars, an intense radio source known as W5 and huge bubbles formed by winds from massive young stars. Located about 6,500 light-years away, the Soul Nebula spans about 100 light years.

Technical data:

 

Remote Observatory "FarLightTeam"

Team: Jesús M. Vargas, Bittor Zabalegui,José Esteban, Marc Valero.

Telescope: Takahashi FSQ106 ED 530mm f/5

CCDs: QSI683 wsg8

Filters: Baader Planetarium - Halpha-SII-OIII

Mount: 10Micron GM1000 HPS

Imaging Software: Voyager

Processing Software: PixInsight-AstroPixelProcessor

 

Imaging Data:

 

Captured through 12 December 2021 to 21 February 2022, ( Fregenal de la Sierra ) Badajoz, Spain.

 

Image composed of a Mosaic of 2 tiles:

Ha: 94x1200"

SII-OIII: 147x1200"

 

Darks, flats, bias

 

Processed by: Jesús M. Vargas

Sky-Watcher Quattro 150P f/3.5

Player One Uranus-C OSC (Offset:30 / Gain:211)

UV/IR filter

240 x 30sec. subs (2hrs.)

 

Processed in Astro Pixel Processor, GraXpert, StarNet and Affinity Photo

One of the objects I was able to photograph last night with some unusually clear sky after many cloudy nights, despite it being quite near the horizon. This is one of the more colorful regions of the Milky Way, called the Rho Ophiuchi nebula after the bright star within the blue cloud near the top. The brighter red star near the bottom is the brightest star in the constellation Scorpius called Antares, the Heart of the Scorpion. Much of the region is filled with dust, reflecting the light of nearby stars as well as some gas, mostly hydrogen, glowing because it's energized by the nearby hot stars.

 

Tech: 12 300 sec. exposures, Nikon 80-200mm f/2.8 lens @200mm, ZWO ASI294MC camera, iOptron CEM25P mount, processed in Astro Pixel Processor and Adobe Lightroom.

Another image of the Western Veil in Cygnus taken with slightly different camera settings.

 

Sky-Watcher Quattro 150P f/3.5

Player One Uranus-C OSC (Offset:20 / Gain:90)

UV/IR filter

28 x 140sec. subs (65 mins.)

 

Processed in Astro Pixel Processor, GraXpert and Affinity Photo

NGC 7822 is a beautiful emission nebula in Cepheus, well-known and popular for its shape and the dark nebulae running through it.

Thanks to good weather three weeks ago, I was able to collect 17.5 hours of data at f/2 for this SHO version.

 

Celestron RASA 8

Celestron Motorfocus

EQ6-R Pro

TS 2600 MP (Gain 100, Offset 200, -10°)

Baader H-Alpha Highspeed 3.5nm: 178 × 120″ (5h 56′)

Baader O-III Highspeed 4nm: 174 ×120″ (5h 48′)

Baader S-II Highspeed 4nm: 176 × 120″ (5h 52′)

Total: 17h 36′

Bortle 5 (19.50 SQM)

N.I.N.A., Guiding with ZWO ASI 120MM and PHD2

Astropixelprocessor, Photoshop, Pixinsight

NGC 253, the Sculptor Galaxy, is the brightest member of the 10 million light-years away Sculptor Galaxy Cluster, which is one of the neighbouring clusters of our own, the Local group. From southern skies it reaches a proper altitude and thus a perfect target for astrophotograpers.

 

Object: NGC 253 (Sculptor Galaxy)

Optics: Skywatcher Esprit 80ED F5 + 1,0x Flattner

Mount: Astro-Physics EQ8

Camera: ZWO ASI 183MM Pro @-20°C, Gain=53, Offset=10

Filter: ZWO EFW 7x36mm, ZWO 36mm Filters

Exposure: total ~3.4h, R 13x240sec, G 13x240sec, B 13x240sec, L 12x240sec, 238 Bias, 40 Darks, 53 Flats per channel

Date: 2022-06-28, 2022-07-03

Location: Tivoli Astrofarm, Namibia

Capture: N.I.N.A.

Guiding: Off-Axis, ASI120MM mini, PHD2

Image Acquisition: Stephan Schurig, Paul Schuberth

Image Processing: Stephan Schurig (AstroPixelProcessor, Photoshop)

The North American Nebula in SHO:

3 hours Ha

1 hour O3

1 hour S2

 

Equipment:

 

Altair Astro 72EDF

QHY163m camera with Baader filters

Software:

Stacked in AstroPixelProcessor finished in PixIsight and Photoshop

Processing:

This was a challenge as the stars in my first Ha were terrible due to slop in my image train (an extension wasn't flush with the focuser) so I shot 30 mins of Ha and then stacked that with the S2 and O3 before using Starnet+ to extract the stars. I then used Starnet+ to remove the stars from the main filters before stacking and processing them. I finally re-added the good starfield using PixelMath.

Overall, it is still lacking but this is mainly due to lack of overall integration but I'm pleased with it for a total of 5 hours. Used the Hubble SHO pallette for integration

REc51/ZWO ASI 183 MC/ASIAIR/Uv/IR Filter/Bortle 6

Only 8 minutes of integration!-Cloud interrupted sesssion.

 

Stacked in AstroPixelProcessor, processed in Pixinsight,

 

Stack

Dynamic Crop ( didnt have darks, so lots of ampglow !)

Gradient Correction

Blind Solver script from SetiAstro

Image solver

SPCC

Blur X

NoiseX

Histogram Stretch

 

Vibrance adjustment in Photoshop CS6

  

took longer to process than collect the data!

  

This Open Cluster, Messier 50, No. 2323 in the NGC, lies in the constellation Monoceros and spans almost 18 light-years across.

 

Object: M 50

Optics: Lacerta Newton 12" F4 + 3" Wynne-Corrector

Mount: Sky-Watcher EQ8

Camera: ZWO ASI 071MC Pro @-15°C, Gain=0

Exposure: total ~0,3h, RGGB 40x30sec, 200 Bias, 60 Darks, 40 Flats

Date: 2019-03-02

Location: ATHOS Centro Astronómico S.L., La Palma

Capture: Sequence Generator Pro

Guiding: Off-Axis, ASI120MM, PHD2

Image Acquisition: Stephan Schurig

Image Processing: Stephan Schurig

AstroPixelProcessor 1.071: Calibration, Registration, Normalization, Integration, Remove Light Pollution, Background Calibration, Star Colors Correction, Auto Digital Development

Photoshop 20.0.4: Curves, Exposure (Offset), Nik Dfine 2 Denoise, Star Shrink, Masked Dynamic (Dynamic, Saturation), Masked HighPass Sharpening

Remarks: ASI 071MC Pro made available by Teleskop-Service, Ransburg

9 hrs of data on the Dark Shark Nebula, LDN1235. Data obtained in Grandpre, France, over the course of 3 nights end of August and beginning of September 2024.

 

Omegon 76ED Pro APO 342 mm f/4.5 flat field.

iOptron HAE43 mount

Nikon D800 DSLR (unmodified)

ASIAIR

 

Processing done in APP and Darktable.

Processed by me, data from Telescope Live Network.

PixInsight, APP and Photoshop.

M31 Andromeda

My first try with Pentax astrotracer

Pentax K-1 and samyang 135mm t2.2

20sec * 200 stack

AstroPixelProcessor and photoshop

Here's another supernova, this time in the spiral galaxy NGC 3147 a whopping 130 million light-years from us. Similar to the one in my previous photo, this one, SN 2021hpr, is also Type Ia, a "standard candle" some 5 billion times as bright as the Sun, which is why we can see it so far away. Kinda boring photo but pretty cool phenomenon.

Looks like the brightness currently is at about magnitude 15, by comparing to the known brightness of other stars in the frame. Several other galaxies are also in the image, though most are very faint and don't appear in the most familiar catalogs (Messier, NGC, IC) except for one: UGC 5570. Also a couple of stars in our Galaxy are bright enough to be in the HD catalog of bright stars.

This galaxy also hosted several other supernovae recently, the latest just this year, but that one has become much fainter than what I'm able to photograph. The usual frequency of supernovae in most galaxies is more like one every 100 years or so, so it's pretty unusual to get so many. Our Milky Way Galaxy is way overdue for a supernova though, by several hundred years, so keep watching the sky!37 exposures, 4 minutes each (108 min. total), ZWO ASI294MC Pro camera (cooled to -15ºC, gain 150, dark, flat, dark flat frames), Nikon 80-200mm f/2.8 lens @200mm, iOptron CEM25P drive, ASIAir controller, processed with AstroPixelProcessor, Lightroom and Photoshop.

The Crab Nebula (Messier 1) in the light of hydrogen

Sky-Watcher Quattro 150P f/3.5

Altair Astro Hypercam 585C OSC (Offset:6 / Gain:158)

HDR mode on

 

80 x 120sec. subs (2hr 40min.)

 

Processed in Astro Pixel Processor and Affinity Photo

Also known as the Witch's Broom

 

Sky-Watcher Quattro 150P f/3.5

Player One Uranus-C OSC (Offset:20 / Gain:60)

UV/IR filter

30 x 170sec. subs (85 mins.)

 

Processed in Astro Pixel Processor, Siril, GraXpert and Affinity Photo

Canon 1100D Fullspectrum CLS CCD Tecnosky 70/420 ED 1X; Skywatcher AZEQ5

ISO 1600 - Exp: 11h10' RGB (70x10') - 5h HAlpha 35nm (30x10') ASI120MC guide; Darks & Flats & Bias

APP + PS (Astronomy Tools; Tonalitymasks) + LR

Provincia di Siena, 01-03-05-06/08/2019

Eta Carinae nebula NGC 3372; 30 x 300s; ISO 200. Farm Kiripotib, Namibia

 

© Julian Köpke

First light with the Sky-Watcher Quattro 150P f/3.5

Altair Astro 533C PROTEC OSC (Offset: 64 / Gain: 101 / HCG On)

28 x 120sec. subs (56 mins.)

Processed in Astro Pixel Processor, GraXpert and Affinity Photo

This 3-part mosaic covers a spectacular region of the constellation Vulpecula and was a very enjoyable summer project: the 'Coathanger Cluster,' the 'Loch Ness Nebula,' and many more LDNs and LBNs, which seem to float on an endless sea of stars.

The 'Coathanger Cluster' (also known as Brocchi's Cluster or Collinder 399) is an asterism of 10 stars. Of these, 6 stars appear to be lined up, but it is believed that the stars are not gravitationally bound to each other.

Several LDNs and LBNs (LBN 133 & 134, LDN 768, 769, 772, 773, 774, 775, 779) form the dark nebula structures that stand out against the starry backdrop and resemble the shape of the 'Loch Ness Monster.'

 

Celestron RASA 8

Celestron Motorfocuser

EQ6-R Pro

ZWO ASI 2600 MC Pro (Gain 100, Offset 18, -10°)

RGB: 190 x 60" (3h 10'), 191 x 60" (3h 11'), 200 x 60" (3h 20')

Total: 9h 41‘

Darks, Flats, Darkflats, Dithering

N.I.N.A., Guiding: ZWO ASI 120MM & PHD2

Astropixelprocessor, Photoshop, Pixinsight

 

Supernova 2023ixf in Spiral Galaxy M101

30*120 sec subs taken with ASI1600MM and Sigma 70-200mm lens. Camera at 0 degrees C. Some walking noise in the image which is strange as the mount was polar aligned with a Pole Master.

This target could do with longer subs but the Star Adventurer can't handle it. (when its badly polar aligned)

Calibrated lights only in AstroPixel Processor.

Needs more signal.....

Mars in conjunction with the Pleiades (M45) taken at Kelling Heath Spring Star Party. This object was very low so the raw images suffered from gradients from the 'claggy' atmosphere at low elevations and from the tops of the trees encroaching in the image as streaks of dark blurs. These were fixed using Astro Pixel Processor (a trial version but based on this I will be buying it as it is significantly better (but slower and more complicated) than the free Deep Sky Stacker.

IC1848 Soul Nebula.

 

Soul nebula IC1848, narrowband processed. The stars are forming in the soul of the Queen of Ethiopia. More specifically, in a star-forming region called Soul Nebula can be found in the constellation Cassiopeia, a constellation Greek mythology identified as the arrogant wife of a king who has long ruled the lands around the top river Nile. the Soul nebula contains several open clusters of stars, an intense radio source known as W5 and huge bubbles formed by winds from massive young stars. Located about 6,500 light-years away, the Soul Nebula spans about 100 light years.

Technical data:

 

Remote Observatory "FarLightTeam"

Team: Jesús M. Vargas, Bittor Zabalegui,José Esteban, Marc Valero.

Telescope: Takahashi FSQ106 ED 530mm f/5

CCDs: QSI683 wsg8

Filters: Baader Planetarium - Halpha-SII-OIII

Mount: 10Micron GM1000 HPS

Imaging Software: Voyager

Processing Software: PixInsight-AstroPixelProcessor

 

Imaging Data:

 

Captured through 12 December 2021 to 21 February 2022, ( Fregenal de la Sierra ) Badajoz, Spain.

 

Image composed of a Mosaic of 2 tiles:

Ha: 94x1200"

SII-OIII: 147x1200"

Darks, flats, bias

Located in the constellation Cassiopeia is the B5V star 68-Cas, also known as HD4142, HIP 3478 and HR189. The image is made up from RGB frames each with an exposure of 300s and two 360s luminescence exposures. The camera used was an Atik 314L+ mono CCD camera called to -15 deg C coupled to a Skywatcher 120ED refractor.

La famosa galassia Vortice (Whirlpool) M51 che si trova nella Costellazione dei Cani da Caccia, a 31 milioni di anni luce dal sistema solare sembra toccarsi con la sua compagna in basso NGC-5195.

  

Setup SkyWatcher Heq5 goto, rifrattore Svbony SV503 102ed, camera Qhy183, impostata a -5 gradi, gain 11 offsett 30 filtro Svbony CLS, camera guida Asi 120mm teleguida 60/240.

  

Tot. Integrazione ore 16:00 risultato della somma di 240Light da 240” più Dark, Flat e DarkFlat.

  

Software di acquisizione Ekos tramite dispositivo raspberry e OS StellarMate.

  

Software somma e elaborazione, AstroPixelProcessor, Pixinsight.

  

Bortle 7.2.

  

Cieli Sereni

ZWO AM5

ZWO ASI2600MC PRO (-10C)

ZWO ASIAir

Stella Mira 90ED CF APO

 

120s x 60 subs (2hr)

Processed in Astro Pixel Processor and Affinity Photo

The Pinwheel Galaxy, also known as Messier 101 (M101), is one of the best known spiral galaxies in the night sky.

 

M101 is a grand design spiral galaxy (a spiral galaxy with prominent and well-defined spiral arms) located in the constellation Ursa Major, the Great Bear. It is about 170,000 light years in diameter, which makes it roughly 70 percent larger than our galaxy, the Milky Way.

 

It is approximately 20.9 million light years distant from Earth, which means that we are seeing it as it was about 20.9 million years ago.

 

~~~~~

 

Telescope: Celestron C11-A XLT Schmidt Cassegrain OTA

Mount: SkyWatcher EQ6-R Pro

 

Controller: ZWO ASIAIR Plus 256G

Main Camera: ZWO ASI533MC Pro at -10C

Filter: Optolong L-Pro filter

Focuser: ZWO EAF

Guide Camera: ZWO ASI174MM Mini guidecam

Guide via: ZWO OAG

 

Stacked from:

Lights 93 at 120 seconds, gain 101, temp -10C

Darks 30 at 120 seconds, gain 101, temp -10C

Flats 30 at 1.08 seconds, gain 101, temp -10C

Dark Flats 30 at 1.08 seconds gain 101 temp -10C

 

Bortle 4 sky.

Integrated the saved frames in Astro Pixel Processor.

Processed in PixInsight

Added captions in Photoshop CS4

NGC 281, shot with:

Redcat 51

ZWO ASI533MC

Optolong L-Ultimate

ASI120MM / ZWO 30mm f4

ZWO AM5 Mount

 

Processed in:

AstroPixelProcessor, PixInsight, Photoshop

 

114 5-minute frames

 

This is not final yet! Will add more frames as I shoot more. Goal is 100+ frames (5 minutes each)

Sh2-155 s a diffuse nebula in the constellation Cepheus, within a larger nebula complex containing emission, reflection, and dark nebulosity. At an estimated distance of 725 parsecs (2400 ly), Sh2-155 is an ionized H II region with ongoing star formation activity.

 

SkyWatcher 80ED, IDAS NBZ dual-narrowband filter

112 * 300s lights

128 darks, flats and bias calibration frames

 

At 9hr20 the OIII signal was still very weak and tricky to process, requiring a lot of noise-reduction trickery. I'll definitely have to return to this target again.

 

The colour palette is particularly weird. Normal HOO tends to be strident reds and blues; HaHOO makes for paler yellow-gold and cyan colours. After a bit of playing around, this formula of my own gives excellent cold blue-green tonality instead.

 

Available as prints, cards and more via the website: shiny.photo/photo/Sharpless-Sh2-155---The-Cave---Nebula-6...

B86, the Ink Spot, is a Dark Nebula in Sagittarius that obscures the light from the background stars of the milky way. On the left lies the Open Cluster NGC 6520.

 

Object: NGC 6520 + B 86 (Ink Spot)

Optics: Lacerta Newton 12" F4 + 3" Wynne-Corrector

Mount: Sky-Watcher EQ8

Camera: ZWO ASI 183MM Pro @-20°C, Gain=53, Offset=10

Filter: ZWO EFW 7x36mm, ZWO 36mm Filters

Exposure: total ~1.3h, R 20x60sec, G 20x60sec, B 20x60sec, L 40x60sec, L (derived from RGB), 200 Bias, 40 Darks, 40 Flats per channel

Date: 2018-07-13

Location: ATHOS Centro Astronómico S.L., La Palma

Capture: Sequence Generator Pro

Guiding: Off-Axis, ASI120MM, PHD2

Image Acquisition: Stephan Schurig

Image Processing: Stephan Schurig

AstroPixelProcessor 1.062: Calibration, Registration, Normalization, Integration, Channel Combination, Background Calibration, Auto Digital Development

Photoshop 19.1.5: Curves, Masked Dynamic (Saturation), Cosmetic Star Repair, Shadows/Highlights, Curves, Masked Dynamic (Saturation), Nik Output Sharpener

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