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This image was captured in Tucson AZ in the fading light using a Vixen VSD 100 astrograph and a stock (not astro-modified) Nikon Z7II camera on a Vixen SXP mount. There was an IR cut filter between the camera and telescope. The image is comprised of 31 x 6 sec stacked with Astropixelprocessor and adjust with Photoshop. Comet Leonard was low in the sky into the hazy zone and fading light below Venus. This capture was terminated by a tree branch soon to be removed. Captured at 5 degrees above the horizon at 6:30 pm MST.

 

On December 17th it is reported that Comet Leonard had an outburst to mag 3.5-4 on COBS CometOBServation database just before this capture was recorded which explains quite well why the comet was brighter and better than I expected. A day later the comet slipped to close to mag 5.

I might have overprocessed this one - the data was so nice. Bortle 2 skies make for easy processing.

 

Acquisition details: Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, 70 x 60 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing with Astro Pixel Processor and GIMP, taken Mar. 18, 2020 from Bortle 2 skies.

The Iris Nebula can be a tricky target due to the amount of dust and dark nebulosity around, which can be easily mistaken for noise or light polution, but also equally it is very easy to over expose the core. Whilst I have some sort of reflection in the lower left corner, I am very happy with the way this image turned out, there's a lot of detail around the nebula

 

RA: 21h07m01.11s

Dec: 67°15'22.46"

Constellation: Cepheus

Designation: NGC7023

 

Image Details:

389x150S at Gain 100 - CLS-CCD Filter

Darks: 101 Frames

Flats: 101 Frames

Bias: 101 Frames

 

Acquisition Dates: March 20, 2021 , April 6, 2021 , April 7, 2021 , April 13, 2021 , April 15, 2021 , April 16, 2021 , April 17, 2021 , April 18, 2021 , April 19, 2021

 

Total Capture time: 16.2 Hours

 

Equipment Details:

Imaging Camera: ZWO ASI6200MC Pro 62mpx Full Frame OSC

Imaging Scope: SharpStar 15028HNT Hyperboloid Astrograph

Guide Camera: StarlightXpress Lodestar X2

Guide Scope: 365Astronomy 280mm Guide Scope

Mount: Sky-Watcher EQ8 Pro

Pier: Altair Astro Skyshed 8" Pier

Focuser: Primalucelab Sesto Senso V2

Filter: Astronomik CLS-CCD 2"

Power and USB Control: Pegasus Astro USB Ultimate Hub Pro

Acquisition Software: Main Sequence Software. Sequence Generator Pro 3.2

Calibration and Stacking: Astro Pixel Processor

Processing Software: PixInsight 1.8.8 and EZ Processing Suite for Star Reduction

 

William Optics GT71 with ASI 294 MCPro

 

30 * 60 sec subs

Gain = 300

Temp = -10 Deg C.

 

Mounted on the Sky Watcher Star Adventurer and calibrated using AstroPixel Processor. Lights only.

Taken at Dayborough, Queensland, Bortle 4

Pinwheel Galaxy Messier 101

 

© Julian Köpke

The Jellyfish Nebula (left-center) is a supernova remnant. The Monkey Head Nebula is the bright emission nebula near the bottom; the monkey head is upside down looking right here. Both are quite close - the Jellyfish Nebula is an estimated 5,000 light years from earth; the Monkey Head is an estimated 6,400 light years from earth. The large star cluster near the top is Messier 35 (NGC 2168). NGC 2158 is the other smaller star cluster to the lower right of Messier 35.

 

Acquisition details: Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, 150 x 30 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing with Astro Pixel Processor and GIMP, taken Mar. 15, 2020 from my Bortle 5 backyard. The Monkey Head and brightest part of the Jellyfish are bright - they were apparent even on my unprocessed subs from my Bortle 5 backyard.

IC 1396, a complex, dynamic region of star formation in the constellation Cepheus also called the Elephant Trunk Nebula for the prominent column left of center. That's a region of denser material being eroded and energized by nearby hot stars. The image was made in the light of hydrogen, from suburban Bloomington, Indiana.

 

90 total exposures, 6 min. each (total 9 hours) in six overlapping tiles. Explore Scientific ED102 102mm f/7 refractor, 0.8x reducer/flattener, ZWO ASI2600MM Pro monochrome CMOS camera, 7nm H-alpha filter, iOptron CEM25P mount, ASIAir controller, auto-guided. Processed in Astro Pixel Processor and Lightroom.

 

#Astrophotography #DeepSky

Finally had a clear night over a week after the launch of the NASA's James Webb Space Telescope and managed to catch an image of it on the way to its observation post. This is a composite of about six hours of exposures from suburban Bloomington, Indiana. JWST shows up as the streak to the left of the bright (relatively) orange star (HD 44256) as it moves relative to the background stars. The trail is interrupted because several bad frames (poor tracking, etc.) were excluded.

 

73 5-min. exposures, Explore Scientific 102mm f/7 refractor, ZWO ASI294MC camera, UV/IR cut filter, iOptron CEM25P mount, ASIAir controller, processed in Astro Pixel Processor, Lightroom and Photoshop.

Christmas Eve 2019

 

Altair 294c

Altair 72EDF Deluxe

Stacked in AstroPixelProcessor

Processed in PixInsight

amburger Galaxy NGC 5128; 30 x 180s; ISO 2200; Farm Kiripotib, Namibia

 

© Julian Köpke

Looking back, I see I took a 2 year break from posting photos. When I returned, I decided I wanted to review my favorite astrophotography tools & techniques - so I could make sure to produce some really high quality images. After all, in a few years, things do change.

 

I'm not one to keep secrets so here's what I found:

1. Telescope Cameras - I won't waste time with telescope cameras that have less than 16 megapixels of resolution.

2. Exposure Blending - The (fits) images produced by telescope cameras are not linear so I export multiple images that are stretched to varying degrees of brightness and then I blend them in photoshop. This may be my most important technique because it avoids a lot of the over-exposing that I often see in astro-pics.

3. Noise - I like On1 Photo Raw Max 2026 (using the NoNoise tool as a Photoshop plugin).

4. Resizing - This is another important step and I like On1 Photo Raw Max 2026 (using the Resize tool).

 

With these techniques (and more experience processing with Astro Pixel Processor), I'm finding that want to go back and revisit some locations (like this one from 2021). As one of the closest and richest star-forming areas near Earth, the Rho Ophiuchi Cloud Complex is especially colorful. With a combination of blue reflection nebula, red glow from the giant star Antares, dark lanes of cold molecular dust, golden glow from dense star fields of the milky way, and M4 (the globular cluster), it's a "target rich environment" that's one of my favorites places to shoot.

 

Calibrated images came from iTelescope's T71 telescope in their Deep Sky Chile observatory in Rio Hurtado Valley, Chile. I processed the final result with Astro Pixel Processor, Photoshop and On1 Photo Raw 2026.

 

Exposure Settings

• 122 images with a 3 minute exposure time

• Red: 30

• Green: 30

• Blue: 30

• Luminance: 32

• Total Exposure Time: 6.1 hours

32 * 88 secs at ISO 1600, f6.1 - unguided tracking.

Although there is a degree of trailing on the stars, it's a pleasing result given that the lens is at 200mm, so a 400mm FF equivalent. (OLYMPUS M.75-300mm F4.8-6.7 II)

 

Used the Skywatcher Star Adventurer for tracking & Pole Master for polar alignment. Astro Pixel Processor for all the image calibration, only jpg as still learning software (lights and darks only) then export to Photoshop.

IC5146 (The Cocoon Nebula) and the dark "Tail" Barnard 168 in the Constellation Cygnus imaged with an Esprit 100 refractor and QHY16200 CCD. 21 x 600 seconds Red, 21 x 600 seconds Green and 21x 600 seconds Blue.

 

Imaged on 2,3,13,14,15,16,17,21 and 22 July 2017. Processed with APP and Pixinsight.

 

Knight Observatory, Tomar

One of my favorite targets - the integrated flux nebula (IFN) or galactic cirrus is faint dust illuminated by our galaxy, and there happens to be a nice concentration of it in the direction of Bode's Nebulae (Bode's (M 81) and Cigar (M 82) Galaxies). The Angel Nebula, which is made of IFN, is in the lower left corner. This is an improvement over my last attempt at this target - shooting raw and more integration time made a difference.

 

Acquisition details: Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, 78 x 60 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing with Astro Pixel Processor and GIMP, taken on Feb. 21, 2020 under Bortle 3/4 skies.

 

Nov 2020 update: The color of M 81 on my original version had always irked me a bit. I reprocessed it and now M 81's color is much better (in my opinion).

This complex of reflection nebulae lies some 6,000 light-years away, in the constellation Cygnus.Obscuring interstellar dust clouds appear in silhouette against reddish hydrogen emission nebulae, along with the dusty blue reflection nebulae. Ultraviolet radiation from the massive, hot, young stars of the extensive Cygnus OB2 association ionize the region's atomic hydrogen gas, producing the characteristic red glow as protons and electrons recombine. Embedded Cygnus OB2 stars also provide the blue starlight strongly reflected by the dust clouds.

 

Telescope: Esprit 100 APO refractor.

Camera: QHY16200 CCD @-10 (RGB) and -20C (Ha).

 

28x 300sec Red filter

24x 300sec Green filter

28x 300sec Blue filter

23x 900sec H-alpha filter (6nm)

(12.4 hrs total integration time)

 

Ha Imaged on 20/5, 8/6, 27/7,28/7,30/7 2017.

RGB Imaged on 4/4, 5/4, 28/7, 29/7 2019.

 

Processed with AstroPixelProcessor and Pixinsight.

 

Knight Observatory, Tomar

M31 Andromeda Mosaic with M32 and M110. With special thanks to Stefan (astroartcologne).

 

© Julian Köpke

Lights - 30x600"

Darks - 10x600"

 

Dati: 31 x 480 sec ( 4.13 ore) gain 5 @ -10° c + 12 dark + 30 flat e darkflat

Filtro: Optolong l-enhanche

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

Temperatura esterna: 21 ° C - Umidità 85%

> The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on spiral galaxy 21 million light-years (6.4 megaparsecs) away from Earth in the constellation Ursa Major.

 

This is a stack of 60 images captured with a Nikon Z7ii, SkyWatcher Esprit 100 scope, and the HEQ5 Pro tracking mount. PHD2 software was used for guiding.

 

This image was made from 60x180s exposures at ISO 800, plus 20 darks and 40 flats stacked in AstroPixelProcessor and edited in Photoshop.

Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, 41 x 60 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing with Astro Pixel Processor and GIMP, taken Jan 10, 2019.

 

This is a reprocess of data from earlier in the year - this time I used the 'remove light pollution' and 'HSL selective color' tools of Astro Pixel Processor after integrating light frames in DSS and before editing in GIMP. Also, my flats were introducing artifacts so I didn't use them, but instead corrected vignetting with the 'remove light pollution' tool.

 

I'm much happier with this version - the color and definition of the nebula are much better, and seem to be accurate in comparison with other images.

Dati: 12 x 300 sec ( 1 ore) gain 5 @ -10° c + 70 dark + 30 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

Temperatura esterna: 18 ° C - Umidità 70%

Reprocesado de flic.kr/p/UMDVfy con AstroPixelProcessor y Lightroom

Markarian's Chain is a group of galaxies in the constellation of Virgo, the galaxies when viewed from earth are in a curved line hence the name Markarian's Chain, they obtained the name from Benjamin Markarian who dicovered the common motion of the galaxies back in the early 1960s, there are quite a number of galaxies within the group, but the chain itself consists of M84, M86, NGC4477, NGC4473, NGC4461, NGC4458, NGC4438 and NGC4435 which are all visible in this image.

 

This image is a 2-Panel Mosaic, as the QHY183M on the SharpStar 15028HNT doe snot give me enough of a field of view to capture it in a single frame

 

Each Panel consists of

51x150S in Red Filter

51x150S in Green Filter

51x150S in Blue Filter

Darks, Flats and Flat Darks were applied in the image stacking process

 

Total Capture time: 12.8 Hours, total Image Size 34.9mpx

 

Acquisition Dates: March 3, 2020 , March 17, 2020 , March 23, 2020 , March 24, 2020 , March 27, 2020 , March 28, 2020 , April 12, 2020 , April 15, 2020 , April 16, 2020

 

Equipment Details:

Imaging Camera: Qhyccd 183M Mono ColdMOS Camera at -20C

Imaging Scope: SharpStar 15028HNT Hyperboloid Astrograph

Guide Camera: StarlightXpress Lodestar X2

Guide Scope: Sky-Watcher Finder Scope

Mount: Sky-Watcher EQ8 Pro

Focuser: Primalucelab ROBO Focuser

FIlterwheel: Starlight Xpress Ltd 7x36mm EFW

Filters: Astronomik Red, Green and Blue

Power and USB Control: Pegasus Astro USB Ultimate Hub Pro

Acquisition Software: Main Sequence Software. Sequence Generator Pro

Calibration and Stacking: Astro Pixel Processor

Mosaic Panel Merging: Image Composite Editor

Processing Software: PixInsight 1.8.6

The 48 panel version does not show the Veil nebula so i decided to extend to 8x8 panels. This 16 panel (2x8) strip shows 2 main "attractions". This version is made with single 15 minute exposures using a 6nm Ha filter. (QHY16200/ Esprit 100 on GM2000 unguided) Software: Sequence generator pro/ Astro Pixel Processor.

 

Image reduced to 25%.

Knight Observatory, Tomar

Fujifilm X-T10, Samyang 135mm f/2.0 @ f2.0, ISO 1600, 60 x 60 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker, editing with Astro Pixel Processor and GIMP, taken October 26 under Bortle 3/4 skies.

 

The faint haze on the right edge is integrated flux nebulae (IFN).

 

Nov. 2020 update: Tweaked color.

VdB 14 & 15 (left in the picture) are two very beautiful reflection nebulae, which also contain a few reddish emission components and belong to an even larger dust cloud in the inconspicuous constellation Camelopardalis. VdB 15 is the larger, lower area of the nebula and surrounds the star CE Cam, a variable supergiant. VdB 14, the upper part of the nebula, is located near the star CS Cam, which is also a supergiant. The distance to earth is around 3,000 lightyears.

The open star cluster Stock 23 can be found on the right in the picture and is also a nice object for visual observation. Its distance is estimated at 1,240 lightyears and it is surrounded by several spectacular dark clouds. It is embedded in the large but faint emission nebula SH2-202, which extends over the entire right half of the picture.

 

Equipment:

 

Celestron RASA 8 f/2

Celestron Motorfocuser

EQ6-R Pro

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

RGB (no filter): 300 × 30″ (2h 30′)

RGB (IDAS LPS-D3 Filter): 260 × 120″ (8h 40′)

TS 2600 MP Mono (Gain 100, Offset 50, -10°)

Ha: (Baader H-alpha Highspeed Ultra-Narrowband 3.5nm Filter): 130 x 60 (2h 10')

Total: 13h 20'

Flats, Darkflats, Dithering

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

Astropixelprocessor, Photoshop, Pixinsight

 

Date: November 23, December 8 & 15, 2022

 

Location: Hannover, Germany (Bortle 5-6)

43x 600 sec( 7.2 hrs). through 6nm Ha filter and Esprit 100 refractor/ QHY16200 CCD camera @ -20C. On 17,18,19 and 20 November 2017.

 

Knight Observatory, Tomar

  

Dati: 29 x 300 sec a gain 5 e offset 25 a -10° c + 70 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

 

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.

40 exposures, each 360 sec. Explore Scientific ED102 102mm f/7 refractor, ZWO ASI294MC camera, H-alpåha filter, iOptron CEM25P mount, ASIAir controller. Processed in Astro Pixel Processor and Lightroom

  

RCW is an oval shaped emission nebula in the Constellation Norma created by the Wolf Rayet star HD 147419

  

The region is blanketed in HAlpha emission. In an effort to pick up OIII emissions I integrated nearly three times as much data in OIII as in Ha to produce this image

  

Total integration 19 hours collected over 5 nights

 

15 hours in OIII and 4 hours in H alpha ( 10 minute subs)

  

Equipment

 

Sharpstar Z4

HEQ5

ZWO ASI 533 MM pro

Antlia 3 nm H alpha Filter

Optolong 3 nm OIII Filter

ASIAR

 

Software

 

ASIAIR

AstropixelProcessor

PixinSight

Photoshop CS6

  

Processing notes-

Ha and OIII data processed independently

 

Stack

GradientCorrection

BlurX (Correct Only)

Starnet++

Nebula

 

Blemish Blaster (OIII only)

BlurX

Noise X

GHS

CurvesTransformation

 

Stars

 

Setiastro StarStretch script

 

Stars combined with

PixelMath

 

HOO image created using ChannelCombination

  

SelectiveColour

 

Minor tweaking in CS6

This wonderful dark nebula in Cepheus (Barnard 150 / LDN 1082) is commonly referred to as the "Seahorse Nebula", but in the orientation of my image, the structure reminds me much more of a mermaid, drifting through the cosmos with her long hair.

Its counterpart is played by an H-Alpha cloud, which already belongs to the adjacent "Flying Bat Nebula" (Sh2-129). To bring out this faint area, I captured 7 hours of Ha and then combined it with 10 hours and 24 minutes of RGB. I hope you like it!

 

Celestron RASA 8 f/2

Celestron Motorfocus

EQ6-R Pro

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

RGB: 326 × 60″ (5h 26′)

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

RGB: 51 × 60″ (5h 51′), 131 × 120″ (4h 22′), 70 × 10″ (11' 40'′)

Baader H-Alpha Highspeed 3.5nm: 210 × 120″ (7h)

Total: 17H 24′ 40″

Bortle 5 (19.50 SQM)

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

Astropixelprocessor, Photoshop, Pixinsight

NGC7882 is a large Emission Nebula in Cepheus, whilst I tried to obtain some OIII data, there appears to be very little OIII Data within this particular target. NGC7822 lies approximately 2900 light years from Earth and spans somewhere in the region of 100 light years across, there are a number of "Pillars of Creation" scattered throughout this large nebula.

 

RA: 00h01m08.59s

Dec: 67°25'17.00"

Constellation: Cepheus

Designation: NGC7882 / Sharples 171

 

Image Details: 101x300S at Gain 100

Darks: 101 Frames

Flats: 101 Frames

Bias: 101 Frames

 

Acquisition Dates: Nov. 3, 2020 , Nov. 4, 2020 , Nov. 5, 2020 , Nov. 6, 2020 , Nov. 7, 2020

 

Total Capture time: 8.4 hours

 

Equipment Details:

Imaging Camera: ZWO ASI6200MC Pro 62mpx Full Frame OSC

Imaging Scope: SharpStar 15028HNT Hyperboloid Astrograph

Guide Camera: StarlightXpress Lodestar X2

Guide Scope: 365Astronomy 280mm Guide Scope

Mount: Sky-Watcher EQ8 Pro

Focuser: Primalucelab Sesto Senso V2

Filter: Optolong L-eXtreme Dual Band Filter

Power and USB Control: Pegasus Astro USB Ultimate Hub Pro

Acquisition Software: Main Sequence Software. Sequence Generator Pro 3.2

Calibration and Stacking: Astro Pixel Processor

Processing Software: PixInsight 1.8.8 and EZ Processing Suite for Star Reduction

Equipo: Star Adventurer - Canon 6D - Sigma 70/300 APO

50 lights - 19 darks - 100 bias

60s - f/6,3 - ISO 3200 - 190mm - 4000K

Procesado: AstroPixelProcessor - Lightroom

I have not imaged M42 or the Great Orion Nebula for a few years, but with the field of view the ZWO ASI6200MCPro offers on the 15028HNT I just could not resist the temptation, this image is a blend of data from the L-eXtreme Filter and the Astronomik CLS-CCD filter

 

RA: 05h35m17.31s

Dec: -05°23'28.00"

Constellation: Orion

Designation: M42

 

Image Details:

60x90S at Gain 0 - CLS-CCD Filter

88x150S at Gain 0 - L-eXtreme Filter

32x30S at Gain 0 - L-eXtreme Filter

Darks: 101 Frames

Flats: 101 Frames

Bias: 101 Frames

 

Acquisition Dates: Jan. 3, 2021 , Feb. 18, 2021 , March 5, 2021 , March 6, 2021 , March 7, 2021

 

Total Capture time: 5.4 Hours

 

Equipment Details:

Imaging Camera: ZWO ASI6200MC Pro 62mpx Full Frame OSC

Imaging Scope: SharpStar 15028HNT Hyperboloid Astrograph

Guide Camera: StarlightXpress Lodestar X2

Guide Scope: 365Astronomy 280mm Guide Scope

Mount: Sky-Watcher EQ8 Pro

Focuser: Primalucelab Sesto Senso V2

Filter: Optolong L-eXtreme 2"

Filter: Astronomik CLS-CCD 2"

Power and USB Control: Pegasus Astro USB Ultimate Hub Pro

Acquisition Software: Main Sequence Software. Sequence Generator Pro 3.2

Calibration and Stacking: Astro Pixel Processor

Processing Software: PixInsight 1.8.8 and EZ Processing Suite for Star Reduction

Messier 45, also known as the Seven Sisters or the Pleiades is an Open Cluster located in Taurus. It can easyly be seen in a starry autumn or winter night as a constellation of approx. five stars even with the naked eye.

 

Object: M 45 (Pleiades)

Optics: William Megrez 72ED F6 + Long Perng 0,6x Reducer

Mount: Sky-Watcher EQ6-R

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

Filter: ZWO EFW 7x36mm, ZWO 36mm Filters

Exposure: total ~7h, R 87x60sec, G 90x60sec, B 106x60sec, L 65x120sec, L (mixed from RGB), 200 Bias, 40 Darks, 60 Flats per channel

Date: 2018-11-16, 2018-11-17

Location: Schwaig

Capture: Sequence Generator Pro

Guiding: APM50 Image Master, ASI120MM, PHD2

Image Acquisition: Stephan Schurig

Image Processing: Stephan Schurig

AstroPixelProcessor 1.070: Calibration, Registration, Normalization, Integration, Channel Combination, Background Flattening & Calibration, Star Colors Correction, Auto Digital Development

Photoshop 20.0.1: Levels, Curves, Exposure (Offset, Exposure), Masked Nik Dfine 2 Denoise, Masked Dynamic (Dynamic, Saturation), Star Shrink, Masked Unsharp Masking, Masked HighPass Sharpening, Camera Raw Lens Correction (Distorsion, Chromatic Abberation), Cosmetic Background Repair

Altair Astro ED60 with 0.8x reducer/flattener @ f/4.8

ZWO ASI585MC OSC

 

60 x 60sec. subs. for a 4 pane mosaic (4 hrs.)

 

Processed with Astro Pixel Processor, GraXpert, NoiseXTerminator and Affinity Photo.

Date: Nov. 1, 29 / Nov.29, 2019 /Dec. 27, 2019

Location: Amagi Highland, Shizuoka Pref., Japan / Asagiri Arena, Shizuoka Pref., Japan

Optics: SIGMA 135mm F1.8 DG HSM | Art (f/2.2)

Mount: SWAT-310 V-spec(single axis autoguiding)

Autoguider: QHY5L-II, LM75JC, PHD2

Camera: Canon EOS 6D (SEO-SP4)

ISO speed: 1600

Exposure: 30x180sec.x9panels

Processing: PixInsight, Astro Pixel Processor

Date: May.10 / Oct.2, 2021

Location: Amagi Highland, Shizuoka Pref., Japan

Optics: SIGMA 70mm F2.8 DG MACRO | Art (f/3.2)

Mount: RainbowAstro RST-135

Camera: Canon EOS 6D (mod/SEO-SP4)

ISO speed: 1600

Exposure: 15x120sec.x3panel + 12x150sec.x4panels

Processing: PixInsight, AstroPixelProcessor

Tonight the observing conditions with Tucson's persistent haze were better and the comet is a little higher and dusk comes a few minutes earlier for next two days. Tonight was the first time in the past days I could easily see green around the comet nucleus with my eyes. COBS reports the comet is in the mid 3s mag at th time of this capture. My impression is that Leonard is brighter tonight than the prior night.

 

This image is 35 x 4 sec stacked with AstroPixelProcessor and finished with Photoshop. The images were captured with a Vixen VSD 100 telescope on a Vixen SXP mount, with a Baader IR cur filter and a Nikon 7II camera.

Crescent Venus in daylight.

 

30 1/1000sec. exposures, Explore Scientific 102mm f/7 refractor, ASI294MC camera, UV/IR cutoff filter, iOptron CEM25P, ASIAir controller, processed in Astro Pixel Processor, Lightroom, and Photoshop.

 

More information on how this photo was made:

www.zoltlevay.com/blog/2022/1/venus-in-the-daytime

Date: 21:10-28:15JST Oct.4, 2019

Location: Asagiri Highland, Shizuoka Pref., Japan

Cloud Coverage: 0 ~ 30%

Wind: 5 ~ 26 kt

Temperature: 13.9C ~ 17.8C

Humidity: 71 ~ 93%

Air pressure: 914hPa

Lens: SIGMA 135mm F1.8 DG HSM | Art (f/2.2)

Mount: SWAT-310 (single axis autoguiding)

Autoguider: QHY5L-II, LM75JC, PHD2

Camera: Canon EOS 6D (SEO-SP4)

ISO speed: 1600

Exposure: 15x180sec.x5panels

Processing: PixInsight, Astro Pixel Processor

Date: 22:55~25:30JST Nov. 26, 2022

Location: Asagiri Arena, Shizuoka Pref., Japan

Cloud Coverage: < 5%

Temperature: 5.9C ~ 9.3C

Humidity: 69% ~ 84%

Wind: 2 ~ 8kt

Lens: SIGMA 135mm F1.8 DG HSM | Art (f/2.2)

Mount: RainbowAstro RST-135

Autoguider: QHY5L-II, LM75JC, PHD2

Camera: Canon EOS 6D (mod/SEO-SP4)

ISO speed: 1600

Exposure: 45x90sec.x3panels

Processing: PixInsight, AstroPixelProcessor

This is the wonderful globular cluster M 3 in Canes Venatici. It‘s one of the largest and brightest, and is made up of around 500,000 stars. It is estimated to be 11.4 billion years old and 32,600 light-years away from Earth. I had already photographed this cluster for about 3 hours last year and was able to add another 2.5 hours this time, which made the faint stars in the outer regions of the cluster more visible. Well, M 13 in Hercules is even more spectacular, but I think M 3 is worth to take a closer look at it. Hope you like it!

 

Equipment used:

Skywatcher 200/1000 @ 950mm f/5

EQ6-R Pro

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

RGB (no filter): 658 x 30" (5h 29‘)

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

Bortle 5

Astropixelprocessor, Photoshop, Pixinsight

 

Comet ATLAS C/2019 Y4, discovered in December 2019, has been quickly increasing in brightness over the last few months, and many of us hope that trend will continue; past projections put it as reaching naked-eye brightness this April or May. However, it's brightness has recently plateaued around magnitude +8. That and an elongated nucleus suggest that it might be disintegrating.

 

It was likely about magnitude +8 when I photographed it last night, April 9th, near Star 42 Camelopardalis. I'm not sure what the faint nebulosity is to the lower left of the comet: either Dark Nebula HSVMT 25, integrated flux nebula (IFN), or it's simply an artifact. Galaxy NGC 2366 is also apparent in the upper right corner.

 

Acquisition details: Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, 50 x 30 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker (used comet stacking mode so stars and comet were stacked separately and then combined), editing with Astro Pixel Processor and GIMP, taken in the 30 minute-window between astronomic dusk and the rise of the 93% illuminated moon on April 9, 2020 under Bortle 3/4 skies.

M90 Galaxy found in the constellation of Virgo.

 

M: Pegasus NYX-101

T: WO GTF81 Refractor

C: ZWO ASI533MM-Cooled

G: OAG and PHD2

GC: ZWO ASI120MC

RAW16; FITs

Temp: -10 DegC

R: Gain 100; Exp: 10 x 300s

G: Gain 100; Exp: 6 x 300s

L: Gain 100; Exp: 10 x 300s

Frames: 26 Lights; Darks/DarkFlats/Flats

Total Exposure: ~2.17 hours

50% Crop

Capture: NINA

Processed: APP LRG[No 'B']; PS.

Sky: 90% moon, no breeze, no cloud.

Approx 10 hours each of HA and OIII, taken in 5 minute subs.

AP 155EDFS refractor. ZWO ASI6200 mount.

Processed with AstroPixelProcessor and Photoshop.

The Theta Musca Supernova Remnanant-G304.4-3.1

 

this is a recently discovered SNR (first imaged in high resolution just over a year ago by Bray Falls)

  

The object is huge and too big for the small sensor of my imaging camera, so I will have to re-attempt with possibly my RedCat51 at some future point in time.

 

Equipment

HEQ5/ASIAIR/Sharpstar Z4/Antlia 3 nm Ha Filter/Optolong 3nm OIII filter/ZWO ASI533MM Pro

 

Integration

16 hours in OIII (10 minute subs)

4 hours in Ha ( 10 minute subs)

 

Location

 

Bortle 6

 

imaged over multiple nights in July 2024

 

Processing notes

 

Ha and OIII data stacked in AstroPixelProcessor.

Ha and OII integrations registered in APP.

 

Processed in PixInsight

 

Dynamic Crop

 

Graxpert for gradient removal (for some reason GraXpert did a better job IMHO than my usual goto ADBE )

 

BlurX-correct

BlurX default

 

Starnet++

 

SetiAstro NB to RGB script to convert Ha and OII star masks to star layer -only mild stretch (4.0) applied

 

NoiseX on starless images

 

GHS for starless layer. Had to experiment to not overstretch the data especially Ha and swamp the image with ha signal

 

Linear Fit

 

HOO image constructed with PixelMath

Red- Ha

Green- 0.2 Ha +0.8 OIII

Blue-OIII

 

mild curves transformation

 

star layer added using Pixelmath

 

Narrowband Normalisation

BlurX

NoiseX

 

levels adjustment in Photoshop CS

 

Comment

 

Images published on the web tend to show the oxygen areas in an electric blue and the Ha areas in a hue closer to pink

 

while it was possible to achieve this colour palette by using adjustment layers (Hue/Saturation, colourise) I have chosen to go with the image more or less as it emerged from PixInsight

   

M101 Pinwheel Galaxy

 

Equipment:

Celestron AVX

Baader Moon and Sky Glow with IR cut filter

ES ED 102 FCD 100 Scope

SSAG Cope and Camera

ZWO 183mc Pro

Pegasus Focus Cube

 

Software:

SGP Acquisition

Sharp Cap - Initial Focus and Polar Align

AstropixelProcessor for stacking and initial stretch

Finished in Photoshop

 

I'll have to look to see how much integration.

 

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