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IC 1396A is the Elephant's Trunk nebula, located in the constellation Cepheus. The Elephant's Trunk Nebula is a concentration of interstellar gas and dust within the much larger ionized gas region IC 1396, at an estimated distance of about 2,500 light years.
At the heart of the nebula lies the open star cluster Trumpler 37, where several hot, young stars (less than 100,000 years) are thought to be forming. These stars emit copious amounts of hot plasma winds and energetic particles that ionize the gas in the nebula and causing it to glow with the characteristic red light of hydrogen atoms. The winds are also sculpting the nebula creating the central cavity, but also compressing the gas in dense regions and triggering a new generation of protostars, hidden inside the dust.
At the estimated distance of the nebula, the Elephant's Trunk is about 20 light-years long.
Thanks to all for your continuous support and kind comments. I wish to all my Flickr friends a happy and relaxing summer and looking forward for your beautiful photos and stories!
Technical Info:
Telescope: Orion EON 80ED refractor, F = 500 mm, f/6.25
Camera: Canon EOS 20Da
Mount: Vixen Sphinx
Filter: Astronomik CLS
Guiding: 80/400 Skywatcher refractor - SkyWatcher SynGuider
Light frames: 24 x 5 mins (total: 2 hours), ISO 3200, Custom WB, calibrated with darks
Date: 17-18 October 2020
Location: Chalkidiki, Greece
Software: SiriL (calibration, background extraction, registration, stacking, color calibration, stretch), StarNet++, Adobe Photoshop CC 2022 with Astronomy Tools Actions.
Located about 2,400 light years away, towards the Cepheus constellation and catalogued as Sh2-155, the "Cave Nebula", is a diffuse Hydrogen-Alpha (Hα) emission nebula, inside a complex region of gas and dust. The hydrogen gas is ionized by the radiation of nearby young, hot stars inside the Cepheus molecular cloud and emits copious amounts of visible light with the characteristic red light. Astronomers have found that inside the nebula new stars are being born, as the radiation of the hot stars compresses the gas and triggers the star-forming process. It is a difficult object, faintly visible with a large telescope, but photographs reveal a wealth of detail, especially with the use of specialized filters.
VdB 155 is the small blue reflection nebula above and to the right of the Cave Nebula.
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Details:
Telescope: Orion EON 80ED refractor, F = 500 mm, f/6.25
Camera: Canon EOS 20Da
Mount: Vixen Sphinx
Filter: Astronomik CLS
Guiding: 80/400 Skywatcher refractor - SkyWatcher SynGuider
Light frames: 20 x 5 mins (total: 100 mins), ISO 3200, Custom WB
Support frames: Darks
Date - Location: 20 - 21 September 2020 - Chalkidiki, Greece (Bortle class 4)
Processing: SiriL, StarNet, Adobe Photoshop 2021 with Astronomy Tools Actions Set (spikes added digitally to the brightest stars).
La grande galaxie d'Andromède.
34 poses de 180s à la lunette de 80ED Esprit et ASI 1600MC + IrCut. Traitement SIRIL et Photoshop. Ciel voilé en fin de session.
The Andromeda Galaxy (M31)
LH-HRGB (H-Alpha Narrow band filter 6nm)
Bin1x1 : L:8h06mn , Ha=8h ; Bin2x2 : R:1h36mn, G:1h36mn, B:1h36mn
80/600 mm Refractor – Camera ZWO ASI1600MM Pro
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
La comète C2022E(ZTF) et la planète Mars.
19 poses de 120s à la 80ED et ASI1600MC. Traiteùent SIRIL / Starnet / Photoshop.
LH-HRVB (Ha : 6nm narrow band filter)
Bin1x1 CLS:8h30 , Ha:7h56 ; Bin2x2 R:2h39 , G:2h24 , B:2h51 exposure time
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Guiding with AOG and ZWO ASI1174MM mini camera using PHD2
Automatic acquisitions with APT
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
Nébuleuse de la Rosette. Megrez 72 + filtre L-Extreme Optolong. ASI1600MC - 47x 240s g139.
Traitement Siril et Photoshop.
138x45s 3200iso Fuji XT10 L-Extreme SKYWATCHER 200x800 - NEQ6
Lune 80%
Vernegues (terrasse)
Date : 11/02/2022
SIRIL et GIMP
Galaxie ANDROMÈDE
Pose : 8h (10 min) 1600 ISO Fuji XT10 - Filtre L-Extreme Optolon
SW200/800 NEQ6 Pro Goto
Vernegues (terrasse)
Date : 4 et 5 Nov 2021
SIRIL et GIMP
After weeks of cloudy skies I had the opportunity to photograph the California Nebula.
Distance approx. 1000 LJ, HII,
62 x 120 sec. @ ISO800. TS72, 432mm, Canon 550Da.
Stacking in Siril, Processing in Siril, Gimp, Lightroom.
Processing: Background neutralization
Processing: Color Calibration
Processing: Histogram Transf. (mid=0.006, lo=0.008, hi=1.000)
Processing: SCNR (type=0, amount=1.00, preserve=true)
IC1396 - Elephant Trunk Nebula (H-SHO)
H-SHO (Narrow band filters 6nm)
Bin1x1 Ha:9h36', Bin2x2 OIII:1h20mn & SII:1h20mn exposure time
80/600 mm Refractor – Camera ZWO ASI1600MM Pro
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
Messier 45. Lunette 80ED Esprit + ASI1600MC + Ircut. 27 poses de 300s. Traitement Siril et Photoshop. Pas de lune mais brouillard en fin de session.
Milky Way in Namibia, the best night sky of the world...
Canon EOS 5D Mark IV + Sigma Art 24/35. 6400 ISO f/2.5 25s.
Mount StarAdventurer.
Addition of 6 pictures with SIRIL.
Photoshop.
Cygnus Wall - North America Nebula (NGC7000)
Tournefeuille, France
Ha-SHO (Narrow band filters 6nm)
Bin1x1 Ha:4h56, Bin2x2 OIII:52mn & SII:56mn exposure time
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Guiding PHD2 with AOG et ASI1174MM mini
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
Taken with a modified Nikon D810 and Sigma 150-600c Lens. Around 2 hours of images stacked in Siril. Bortle 5 sky in South Wales.
Ha-SHO (6nm narrow band filters)
Bin1x1 Ha:06h24, Bin2x2 OIII:4h36mn & SII:5h32mn exposure time
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Guiding with AOG and ZWO ASI1174MM mini camera using PHD2
Automatic acquisition with APT
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
HO-HOO (6nm narrow band filters)
Bin1x1 Ha:3h52, OIII:2h56mn exposure time
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Guiding with AOG and ZWO ASI1174MM mini camera using PHD2
Automatic acquisitions with APT
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
NGC 6992. Megrez72 + ASI1600MC + filtre L-Extreme. 43 poses de 240s gain 200. Lune très gênante. Traitement SIRIL et Photoshop.
The Whirlpool Galaxy (M51)
L-RGB
Bin1x1 L:4h06mn, Bin2x2 R:60mn, G:57mn & B:63mm exposure time
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
HO-HOO (6nm narrow band filters)
Bin1x1 Ha:3h44, OIII:3h28mn exposure time
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Guiding with AOG and ZWO ASI1174MM mini camera using PHD2
Automatic acquisitions with APT
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
Le Trio du Lion.
Megrez72 + Reducteur Flatner III + Ircut. ASI 1600MC 30x180s.
Traitement SIRIL.
Pilotage en remote avec Stellarmate.
La galaxie du Triangle : M33
Lunette 80ED Esprit + ASI1600%C + IrCut. 28 poses de 180s. Traitement SIRIL et Photoshop
Ha-SHO (6nm narrow band filters)
Bin1x1 Ha:3h18, Bin2x2 OIII:1h30mn & SII:1h51mn exposure time
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Guiding with AOG and ZWO ASI1174MM mini camera using PHD2
Automatic acquisition with APT
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
Pose : 25x10 min 1600 ISO Fuji XT10 - Filtre L-Extreme Optolon
SW200/800 NEQ6 Pro Goto
Vernegues (terrasse)
Date : 5 12 2021
SIRIL et GIMP
etal manuel satur couleur GIMP CROP
The Trifid Nebula (M20)
L-RGB
Bin1x1 CLS:2h20, Bin2x2 R:38mn, G:38mn & B:38mm exposure time
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Guidage PHD2 avec AOG et ASI1174MM mini
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
Triplet du Dragon, NGC 5981-82-85.
60 poses de 180s, C9 (2103mm de focale) + ASI1600MC + Ircut.
Traitement SIRIL et Photoshop.
SH2-37, nébulosité perdue dans la Voie Lactée.
30 images de 240s prise avec une ASI1600MC et une lunette 80ED Esprit.
Traitement SIRIL Photoshop.
Canon 6D with EF 70-300 @ 300 f/5.6, ISO 1600, 40x20 s, stacked and processed with SIRIL and Photoshop
Comete C 2022-E3(ZTF) / 80ED / ASI1600MC / 30x120s.
Composite de deux images avec SIRIL et Photoshop (une avec la comète seule et l'autre avec uniquement les étoiles).
This is a picture of the pelican nebula. Its shape is in active change as a result of the interaction of the cold gas and the gas heated by the prescence of neraby stars. The front can be seen in the lower part (cataloged as IC5067), which is a star formation region. With some imagination, it can look as a couple of mountains being showered by the cloud of ionized gas above :).
-Omegon 600/154 pro astrograph
-ZWO ASI183MM pro camera
-iOptron GEM28 mount
-Guided with the ASI120MM mini
- 20 hrs total of narrowband data with the astronomik SHO filter set at Gain 111
120x30s Luminance filter (ASI183MC pro) for star colors
Processing was done in Siril and Affinity photo using the RC astro star removal and noise reduction plugins.
Nikon D3300
Telefoto Nikon 55-300
50 light
16 flat
25 bias
25 darks
f5.6
0.77s
ISO 12800
Sin seguimiento
Apilado y procesado con Siril
The Triangulum Galaxy (M33)
Tournefeuille, France
L-RGB
Exposure time :
Bin1x1 : L:1h52mn ; Bin2x2 : R:35mn, G:25mn, B:49mn
200/1000 mm Newtonian telescope
Camera ZWO ASI1600MM Pro
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
Messier 97 et Messier 108.
80ED + ASI1600MC + IrCut : 15 poses de 240s.
Traitement SIRIL et Photoshop.
Gestion des poses sous Stellarmate.
Orion Nebula - Marians Nebula - Running Man Nebula
Standort: Ruhrgebiet ! Location: Ruhr area (Witten)
Erstes Amateur-AstroFoto nach 1 Jahr, 60 Fotos je 15 sec. mit 500 mm SigmaSport, Nachführung, ISO 1500, Stacking und Erstbearbeitung mit Siril, knappe Endbearbeitung mit Lightroom.
First amateur astrophoto after 1 year, 60 photos 15 sec each with 500 mm SigmaSport, tracking, ISO 1500, stacking and initial processing with Siril, tight final processing with Lightroom.
LDN 1235 : Nébuleuse de la Tête de Requin.
60 poses de 240s, gain 200 avec l'ASI1600MC + Ircut et lunette 80ED Esprit. Traitement SIRIL et Photoshop
Nébuleuse de la Tête de Cheval, IC434.
25 poses de 4 minutes à l'ASI1600MC et filtre Optolong L-Extreme. Traitement SIRIL.
Heart Nebula (IC1805) & Fishhead Nebula (IC1795)
Ha-SHO (6nm narrow band filters)
Exposure time : Bin1x1 Ha:3h28mn, Bin2x2 OIII:44mn & SII:32mn
80/600 mm Refractor – Camera ZWO ASI1600MM Pro
Preprocessing with SIRIL
Image processing with Photoshop
Final touch with Lightroom
Addition se 41 poses de 3mn à 800iso, prises avec un Canon 350D et un zoom 70-200 à 200mm, sur monture EQ6-R motorisée sans autoguidage. Reprise de traitement avec Siril.
Le 20/02/2020 au Col de Bacchus.
2020-02-20_B33_350D+70-200à200mmF4.5_41x3mn-800a_DFB_EQ6R-ssAG_Bacchus_SIRIL_001-01