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Reprocess of data from a few months back.
Object Information - Cigar Galaxy (Left)
* Designation : M82, NGC 3034
* Type : Starburst Galaxy
* Magnitude : 8.4
* Location (J2000.0): RA 09h 55m 52s / DEC +69° 40' 47"
* Approximate distance : 11.4 - 12.4 million lightyears
Object Information - Bode's Galaxy (Right)
* Designation : M81, NGC3031
* Type : Spiral Galaxy
* Magnitude : 6.9
* Location (J2000.0): RA 09h 55m 33s / DEC +69° 03' 55"
* Approximate distance : 11.8 million lightyears
Hardware
* Mount : Celestron CGX
* Imaging Scope : SkyWatcher Explorer 150PDS
* Imaging Camera : Canon EOS 80D (unmodified)
* Guide Scope : 50mm f/4
* Guide Camera : ZWO ASI 120MM
Exposures
* Single Exposure Length : 120sec
* ISO : 1600
* Light Frames : 60x
* Flat Frames : None
* Dark Frames : 20x
* Bias Frames : 25x
* Total Integration Time : 2h00m
* Capture Dates : 2018-02-14
Capture Software
* Astro Photography Tool
* PHD2 Guiding
Processing Software
* Astro Pixel Processor 1.061
* Adobe Photoshop CC
* Astronomy Tools Action Set
Vacuum cleaner Galaxy (#M109) in LRGB mode. Around 10 hours of integration. This Galaxy is around 60 Million lightyears away from earth and has a diameter of 110 000 Lightyears. It was post-processed in Astropixelprocessor, Pixinsight and Photoshop.
Camera was #qhy268m
#C11 at 2000mm focal lenght
#EQ8R
#youresa
#astrophotography #longexposure
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
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.
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
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
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.
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
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 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.
Dati: 43 x 300 sec a gain 5 e offset 25 a -15° c + 33 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
Temperatura esterna: 10 ° C - Umidità 95%
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).
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.
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
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
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.
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
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.
The Rosette Nebula (NGC 2244).
> The Rosette Nebula (also known as Caldwell 49) is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter. — Wikipedia
Stack of 20 exposures 3 minutes long at ISO 1600. Stacked in AstroPixelProcessor, and edited in Photoshop. I think this is a little grainy due to the higher ISO and using LENR instead of darks.
I used a SkyWatcher Esprit 100 telescope on a HEQ 5 Pro tracking mount, and the Nikon z 50.
Imaging the Western Veil Nebula in Cygnus in HA and 03 resulting in an HOO image.
200 minutes of O3
100 mins of HA.
4hrs imaging time all up
ASIi83MM at 0 degrees, gain 111
m-zero mount with rough PA
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)
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
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%
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
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
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
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
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
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 photos were converted to BW, stretched, and then a inverted to show the coma stretched greatly to show the faint coma. 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.
Polaris & ses nébuleuses sombres
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Aujourd’hui, je vous fais découvrir les nébuleuses sombres qui accompagnent l’étoile polaire.
Cette étoile sert depuis des millénaires comme point de repère entre autre pour la navigation. Elle nous sert aussi à nous aligner pour nos montures équatoriales puisque toutes les constellations tournent autour de Polaris.
Que viennent faire les nébuleuses sombres dans cette histoire ?
Elles sont présentes autour de notre étoile polaire. En anglais, elles sont appelées IFN pour « Integrated Flux Nebula ». Elles sont principalement composée d’hydrogène moléculaire et d’hélium.
Cependant, ce n’est pas aisé de pouvoir les photographier. D’une part, comme leur nom l’indique, elles sont obscures.
Ce sont des nuages denses qui absorbent la lumière des étoiles en arrière plan.
D’autre part, au moment de la prise de vue, elles sont invisibles. Très pratique me direz vous… Même constat au moment de l’empilement, il n’y a que le traitement qui permettent de les mettre en valeur.
A titre d’exemple la tête de cheval (IC434) dans la constellation d’Orion fait partie des nébuleuses sombres les plus connues.
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Photographier sur deux nuits pour obtenir,
300 lights d’une minute soit 5h de temps d’intégration
Offset + Flats, No Dark.
Bortle 4
Traitement AstroPixelProcessor, Photoshop.
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
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:
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
This emission nebula is found in the constellation of Vulpecula, the Little Fox.
34*180 sec subs at ambient temperature. 102 mins total, then high altitude clouds rolled in.
Captured using Nebulosity and could not get the program to cool the camera :(
The telescope was the William Optic GT71 with the ASI183MM camera and Antlia 3.5nm filters.
Calibrated using lights, darks, flats and dark flats In APP.
Again, this was using the Avalon m-zero mount with only a rough PA.
This is a four panel mosiac of the Region surrounding the bright star Dschubba.
One and a half hours per panel in rgb (club dark site) and one hour per panel in H alpha (Bortle 6)
10 hours of integration in total.
Stacked individual panels -RGB and Ha -separately in AstroPixel Processor; 4 panel RGB and Ha mosaics created -LNC first degree, MBB 20% in APP
Stacked mosaics processed in Pixinsight
Dynamic crop
ADBE
BlurX (correct only)
Image solve
SPCC (RGB only)
BlurX
Starnet++
NoiseX
Nebula
Generalised Hyperbolic Stretch
Curves
SetiAstro star stretch
PixelMath to add stars back to starless image
Mosaics registered in Pixinsight
Stars removed from registered Ha mosaic with Starnet++. This still left a few very bright stars.
Converted to tiff and remaining stars removed using content aware fill in Photoshop CS6
(this did a better job than clone stamp in PixInsight)
Saved in PI as XISF File.
Combined RGB and Ha using the excellent Combine Ha and RGB process in PixInsight
Equipment
Samyang 135mm/ZWOASI 533 Mc and MM/Optolong UV/IR Filter/Antlia 3nm H alpha filter/ASIAIR/AM3
Software
ASIAIR App
AstroPixelProcessor
PixInsight with RC plugins (NoiseX, Blur X) and Starnet++
Photoshop CS6
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
Dati: 26 x 4 min. 800 Iso + 15 Dark + 25 flat e darkflat software: AstroPixelProcessor e Photoshop CS2 Strumenti: ottica Takahashi FSQ106 f/5 su Skywatcher EQ6 pro - Canon 40D CentralDS. 10/08/2020 - Castelletta (AN), Temp. esterna: 18° C temperatura al sensore 0,00°C - Umidità 75%
This is an extremely difficult target for me as I live around 16 miles south of the UK's second largest airport London Gatwick, so battling light pollution from Gatwick and trying to bring out the faint dust is a huge challenge, but I like a challenge and I am extremely happy with the final result
RA: 21h07m03.75s
Dec: 67°15'14.40"
Constellation: Cepheus
Designation: NGC7023
Image Details: 201x150S at Gain 100
Darks: 101 Frames
Flats: 101 Frames
Bias: 101 Frames
Acquisition Dates: Oct. 23, 2020 , Nov. 15, 2020 , Nov. 18, 2020 , Nov. 19, 2020 , Dec. 12, 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-Pro 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
3-panel mosaic, 20 300 sec. and 71 360 sec. exposures. Explore Scientific ED102 102mm f/7 refractor, ZWO ASI294MC cooled camera, H-alpåha 7nm filter, iOptron CEM25P mount, auto-guided, ASIAir controller. Processed in Astro Pixel Processor and Lightroom.
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.
The 'W' of Cassiopeia has always been one of my favorite constellations - maybe because I could always spot it as a kid.
This extent contains the middle three stars of the 'W' - Ruchbah (blue, bottom), Navi (blue, upper left), and Shedar (yellow, upper right). The center star of the 'W', Navi, illuminates the Gamma Cassiopeiae Nebulae (IC 59 and IC 63) a combination of red emission and blue reflection nebulae. The red/pink emission nebula below Shedar is the Pacman Nebula (IC 11 or NGC 281). And to the right of Ruchbah is the Owl or E.T. Cluster (NGC 457); the owl or E.T. is upside down here.
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. 23, 2019 under Bortle 3/4 skies and thin cloud cover.
Thin cloud cover was present most of the time that I imaged and acted as a diffusion filter for the larger stars. I kind of like this effect that emphasizes big stars, especially for this extent where the nebulae are fairly small for a focal length of 135mm, although I'd always prefer clear skies to a natural diffusion filter. Even though my tracking was spot-on (good balance, polar alignment, and a charged SkyTracker), I wasn't able to use about half of my subs because of clouds.
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.
Very weak and identified in 1954 on photographic Plates as a Milkyway satellite.
Esprit 100 f5.5 APO/Qhy16200 CCD @-20C.
98x300 sec IDAS-LP2 filter.
Imaged on: 13,14,15&16 May, 2018.
Knight Observatory, Tomar
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.