Submissions: 2017 March

See new, spectacular, or mysterious sky images.
ildiora
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Re: Submissions: 2017 March

Post by ildiora » Sat Mar 18, 2017 11:32 pm

Trails Of Lights And Fires On Mount Etna - Unesco World Heritage Site
http://www.dariogiannobile.com
Copyright: Dario Giannobile Sicily - March 2017, The Volcano Etna woke for the second time in a month.
According to Greek mythology, Hephaestus was the craftsman and smith of gods.
The ancient Greeks and Sicilians believed that he had his abode and his forge under the volcano Etna and that the eruptions were the proof of his mighty work.

From ct.ingv.it: "On the morning of 15 March 2017, a new eruptive episode started at Etna's Southeast Crater. The eruptive vent was located in the area of the former "saddle" between the southeast Crater (SEC) and the New Southeast Crater (NSEC). In the early morning hours of 15 March, a small lava flow started oozing down the south flank of the SEC-NSEC cone complex. Then the eruptive activity rapidly intensified with nearly constant Strombolian explosions that generated amounts of volcanic ash dispersed in the atmosphere. The lava flow had reached the base of the cone and was slowly expanding on the gently sloping terrain toward south.”

The landscape was enlightened by the gentle light of the Moon showing the “Sciara”, the black volcanic, rocks covered by a thick layer of snow.
From the top crater a fountain of lava left traces on the sky in front of a curtain of gentle lights pictured by the stars rotating around Polaris.
Attachments
Trails Of Lights And Fires On Mount Etna - Unesco World Heritage Site TWAN.jpg
Last edited by ildiora on Sun Mar 19, 2017 7:27 pm, edited 1 time in total.

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Sandgirl
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Re: Submissions: 2017 March

Post by Sandgirl » Sun Mar 19, 2017 7:06 pm

Arch of Milky Way over Great Wall
Copyrights: Steed Yu & NightChina.net
unnamed.jpg
Complex N159 in the Large Magellanic Cloud
Credits and Copyrights: Data: Hubble Legacy Archives; ProcessingDomingo Pestana
N159 - Domingo Pestana_small.jpg
Bright auroras in solar calm
Copyrights: Juan Carlos Casado
aurorapano2h_small.jpg
Messer 13
Copyrights: Claudio Bottari
17192232_10210318677142305_7646596206281770119_o.jpg
Thin Venus crescent
Copyrights: Shahrin Ahmad
unnamed (1).jpg
"Great Whale in the Sky” Aurora
Copyrights: Ulf Jonsson
unnamed (2).jpg
EchoStar 1st & 2nd Stage Streak
Copyrights: Bill Jelen
EchoStarXXIIITwoStreaks-2_small.jpg
Zodiacal Light, from home and away - Turkey (top) and Philipines (bottom)
Copyrights: Tunç Tezel
SaldaEVenusZodiacal_small.jpg
ElNidoDolarog_small.jpg
Star trails from Spain, Galicia
Copyrights: Ana García
Circumpolar_small.jpg
Rise and set of Venus 2016/2017
Copyrights: Ian H Brock
64 FACEBOOK copyright .jpg
Surprising intense auroras at Finland
Copyrights: Juan Carlos Casado
aurorajcc160317_small.jpg
Lunar Transit - Bird
Copyrights: Bryan Goff
MoonBirdPS_small.jpg
A dusty Veil
Copyrights: Luigi Fontana
Larger size: http://www.astrobin.com/full/287001/C/
68f57b5b13377352bcfaedc549d9ccc9.1824x0_q100_watermark_watermark_opacity-30_watermark_position-4_watermark_size-M_watermark_text-(C) Luigi Fontana_small.jpg
NGC2170 in Monoceros
Copyrights: Terry Hancock
unnamed_jpg.jpg
The Triangulum Galaxy
Copyrights: Patrik Tarczi
183_404_74dfb1e1__small.jpg
Venus in crescent with unusual orientation
Copyrights: Emmanuel Beaudoin
Venus-17-03-16-APOD'.jpg
Easter Island Moai and Orion
Copyrights: Yuri Beletsky
moai_beletsky.jpg

Copyrights: Miguel Claro
TwilightHerschel_2200-net_small.jpg
Milky Way Above St. George Island, Florida
Copyrights: David Woolsteen
wood from st. george finala.jpg
Mushroom Sun with human silhouette
Copyrights: Marcella Giulia Pace
unnamed (3).jpg
Last Days of the Evening Star
Copyrights: Jean-Francois Graffand
unnamed (4).jpg
Rosette Nebula
Copyrights: Bouhaddou Abdelkrim
ROSSETTE-SHO-2017-WEB_small.jpg
Orion Nebula
Copyrights: Mariusz Szymaszek
orion new 2h21m 154fr 3 end apod_small.jpg

matt_quinn
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Re: Submissions: 2017 March

Post by matt_quinn » Sun Mar 19, 2017 10:06 pm

ISS passing over Algonquin

I captured an early morning International Space Station transit through the Milky Way arching over the lake of two rivers in Algonquin Provincial Park here in southern Ontario, Canada. I took 5 images of the ISS doing its fly by and then I panned the camera as you would in a normal panoramic image. I composited the 5 ISS paths into one frame and merged it with the panoramic to achieve the final result. All the images were captured within 3-4 minutes of each other.

https://mattquinn.photography
Copyright: Matt Quinn
0e5862abb9e3437cbedf91185476e17f[1].jpg
https://mattquinn.photography/media/CAC ... 76e17f.jpg
Last edited by bystander on Sun Mar 19, 2017 11:48 pm, edited 1 time in total.
Reason: Please, no hotlinks to images > 500Kb. Uploaded as an attachment.

luigifontana
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Re: Submissions: 2017 March

Post by luigifontana » Mon Mar 20, 2017 10:57 am

The "real" colors of interstellar dust
Copyright: Luigi Fontana and Edoardo Radice
Image
Full image: http://www.astrobin.com/286480/C/

The colors of this image of the zeta Orionis area have been carefully calibrated to match the response of the human eye. The h-alpha radiation (background of the Horsehead Nebula) is red. The small reflection nebula NGC2023, near the center of the image, is blue; it is excited primarly by UV radiation from the bright and young star HD37903, clearly visible in the middle of the nebula. Finally the Flame Nebula, NGC2024, is NOT illuminated by zeta Orionis itself (that is much closer than the nebula) but probably by a cluster of young stars. The "neutral" color of this nebula is a mix of excited gas and reflection.

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Re: Submissions: 2017 March

Post by Rothkko » Mon Mar 20, 2017 11:24 am

happy equinox of march!!
196.jpg
Last edited by Rothkko on Mon Mar 20, 2017 3:00 pm, edited 1 time in total.

Hermann von Eiff
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Re: Submissions: 2017 March

Post by Hermann von Eiff » Mon Mar 20, 2017 1:06 pm

A butterfly in the clouds of the Milky Way
Copyright: Hermann von Eiff
Attachments
M6_HvE_March_20_2017.jpg

Rothkko
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Re: Submissions: 2017 March

Post by Rothkko » Mon Mar 20, 2017 2:45 pm

the seven differences, sun and moon
497.jpg
mérida, spain. 2014-11-23 and 2015-10-27, 12:45 and 22:39
mérida, spain. 2014-11-23 and 2015-10-27, 12:45 and 22:39
equiv. 640mm, 1 shot, polarized filter

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Adrien Mauduit
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Re: Submissions: 2017 March

Post by Adrien Mauduit » Mon Mar 20, 2017 11:13 pm

Stranded under the zodiacal lights of Denmark
http://www.adphotography-online.com
Copyright: Adrien Mauduit

The picture was taken on Høve beach in Denmark on Sat. 19th March 2017, in the company of the milky way an the zodiacal lights at its peak (halo of light reflects from inter-planetary dust particles). As I sat on the boat facing the foamy gusts of wind, I was able to contemplate a lot of deep-sky objects. However we are nearing the end of the Orion season at upper mid-latitudes, and it might be one of the last pictures of it before next winter!

Canon 6D Baader mod + Samyang 24mm f/1.4, 14 x 13'' @ ISO 6400, f/3.2.
Attachments
Strandedzodiacallightspano.png
Adrien Louis Mauduit
M. Sc. in environmental sciences
Astrophotographer - cinematographer -
Aurora expert - Science communication & author
www.nightlightsfilms.com
nightlightsfilms@gmail.com

alfredoxa
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Re: Submissions: 2017 March

Post by alfredoxa » Tue Mar 21, 2017 11:40 am

[ENGLISH]
Jökulsárlón is Iceland's largest and most famous glacier lake. It is situated at the southern end of the Vatnajökull glacier, between the Skaftafell National Park and the town of Höfn. It appeared for the first time in 1934-1935 and in 1975 it went from 7.9 km² to the present 18 km², due to the accelerated fusion of the Icelandic glaciers. It has a maximum depth of approximately 200 m, which makes it probably the second deepest lake in Iceland.
The boreal aurora reflected on the icy lake, the glaciers moving in a timelapse sequence and venus hiding behind the mountains forms an overwhelming landscape.

[SPANISH]
Jökulsárlón es el mayor y más conocido lago glaciar de Islandia. Está situado en el extremo sur del glaciar Vatnajökull, entre el Parque nacional Skaftafell y la ciudad de Höfn. Apareció por primera vez en 1934-1935 y en 1975 pasó de 7,9 km² a los actuales 18 km², debido a la acelerada fusión de los glaciares islandeses. Tiene una profundidad máxima de aproximadamente 200 m, lo que lo convierte probablemente en el segundo lago más profundo de Islandia.
Las auroras boreales reflejadas sobre el lago helado, los glaciales moviendose en una secuencia timelapse y venus ocultándose tras las montañas forman un paisaje sobrecojedor.

ImageVenus on the Jokulsarlon glacial lagoon with Northern Lights by Alfredo Madrigal, en Flickr
Telescope: TS Optics Hypergraph 8" f3.2 (640mm)
Mounts: Skywatcher EQ6 R
Camera: ASI ZWO 1600MM Pro
Filter Wheel: ZWO EFW 8x31mm
Filters: ZWO LRGB 31mm , ZWO H-Alfa, SII, OIII 31mm
Guider: Svbony SV106 60mm f4 + ZWO ASI 290MM mini

Sebastian Voltmer
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Hale-Bopp 20 Years ago

Post by Sebastian Voltmer » Tue Mar 21, 2017 5:35 pm

Hale-Bopp on March 29, 1997 above Sion in the Rhone Valley, Switzerland.
12 sec exposure on Kodak Ektacolor Pro Gold 400 (GPY) using a 50 mm f/1.7 lens.

Image


Hale-Bopp on April 3, 1997. The blue ione tail crosses the double star cluster h & chi in Perseus and reaches the Heart- and Soul Nebula. 20 min exposure on Kodak EPP 100 (gas-hypersensitized) with a 50 mm lens. Taken from Gornergrat (3150 m), Switzerland.

Image

Flickr: https://www.flickr.com/photos/spacemovi ... 9969484470


e-mail: sebastian@voltmer.de
web: http://www.voltmer.de

sternklar
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Re: Submissions: 2017 March

Post by sternklar » Tue Mar 21, 2017 9:22 pm

Witch Head Nebula (IC 2118) and Rigel, Namibia, Sept. 02 2016
http://www.sternklar.ch/images-webpages ... ept-16.htm

Exposure data:
Carl Zeiss Apo Sonnar T* 135 mm f/2.0 ZE @ f/2.8 with Canon EOS 6Da. Exposure time: 21 x 5 minutes @ 800 Asa.

Copyright: Manuel Jung, http://www.sternklar.ch

alfredoxa
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Re: Submissions: 2017 March

Post by alfredoxa » Wed Mar 22, 2017 12:57 pm

[ENGLISH]
The lunar crown is an optical phenomenon produced by the diffraction of disc-shaped light around the moon. The crown is caused by suspended ice particles in the troposphere that refract light and generate a spectrum of colors. In this case I was lucky that it was triple, an extremely rare event.

[SPANISH]
La corona lunar es un fenomeno optico producido por la difraccion de la luz en forma de disco alrededor de la luna. La corona es causada por partículas de hielo en suspension en la troposfera que refractan la luz y generan un espectro de colores. En este caso tuve la suerte de que fuera triple, un hecho extremadamente raro.

ImageLunar corona by Alfredo Madrigal, en Flickr
Last edited by alfredoxa on Thu Mar 23, 2017 11:36 am, edited 1 time in total.
Telescope: TS Optics Hypergraph 8" f3.2 (640mm)
Mounts: Skywatcher EQ6 R
Camera: ASI ZWO 1600MM Pro
Filter Wheel: ZWO EFW 8x31mm
Filters: ZWO LRGB 31mm , ZWO H-Alfa, SII, OIII 31mm
Guider: Svbony SV106 60mm f4 + ZWO ASI 290MM mini

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alcarreño
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Flux

Post by alcarreño » Wed Mar 22, 2017 2:19 pm

Copyrights: Raul Villaverde Fraile
ImageNebulosa_de_Flujo_Integrado12 teselasv9 by Raul Villaverde, en Flickr

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Re: Submissions: 2017 March

Post by j.s.ebersole » Wed Mar 22, 2017 6:03 pm

Stellar Jet in Carina – Hubble Legacy Archive
http://jebersol.zenfolio.com/
Copyright: John Ebersole Narrowband HLA images from the WFC3 UVIS camera were combined in the classic HST palette.

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Comet 41P/Tuttle–Giacobini–Kresák

Post by jfgout » Wed Mar 22, 2017 6:45 pm

Hi everyone, here is my contribution to March with the comet 41P/Tuttle–Giacobini–Kresák cruising by the galaxy M108 and the planetary nebula M97.

Although it looks like the comet his headed for the galaxy (m108), there is no risk of collision. Indeed, the comet is very close to Earth, at 'only' about 20 millions kilometers (~75 seconds at the speed of light) while the galaxy is 46 million light years away. That's quite a gap...
Also visible in the image are the planetary nebula m97 (commonly called the Owl Nebula) ~2,000 light years from us, and the star FI UMa (332 light years away) which is just below the threshold of visibility with the unaided eye.
These different objects help visualizing the cosmic perspective on this 2D image.

Image
Full resolution: https://photos.smugmug.com/photos/i-Bth ... thhvWS.jpg

With the annotations:
Image
Full resolution: https://photos.smugmug.com/photos/i-FRn ... RnR4fs.jpg

Image is from stacking 50 individual exposures of 1 minute each, taken on Wednesday, March 22, 2017 between 2am and 3am (EST). The motion of the comet is obvious and the small gaps in the comet's position correspond to frames that had to be removed because of technical problems (mostly blurry images because of strong wind gusts).
Gear: Telescope C8 edge-hd (8-inch Schmidt-Cassegrain) on german equatorial mount (CGEM) and camera Canon 5D Mark II. Drove 25 minutes to escape the lights from the city (Bloomington, Indiana) and get some fairly dark skies on the shores of Monroe lake.
While taking the pictures, I also looked at the sky and saw two beautiful shooting stars. That was a good night, worth going to bed at 4am...

Here is also a GIF showing the motion of the comet during an hour: https://photos.smugmug.com/photos/i-S7p ... 7pVt8P.gif
Unfortunately, a small particle of dust was 'dancing' on my camera sensor, just in the area where the comet was...

Hope you guys enjoy these images !

Best,

Jean-Francois

Sebastian Voltmer
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Hale-Bopp rocks

Post by Sebastian Voltmer » Wed Mar 22, 2017 10:13 pm

Comet Hale-Bopp on March 27, 1997 between two rocks, taken at the French-Italian border from the “Col de La Traversette” next to La Rosière. 12 seconds exposure on Kodak GPY 400 using a 50 mm f/1.7 lens.

Image

download original:
https://www.flickr.com/photos/spacemovi ... 2/sizes/o/

e-mail: sebastian@voltmer.de
web: http://www.voltmer.de

Sebastian Voltmer
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Hale-Bopp on April 4, 1997

Post by Sebastian Voltmer » Wed Mar 22, 2017 10:36 pm

Comet Hale-Bopp on April 4, 1997. 10 min exposure using a 300 mm lens on Kodak Ektacolor Pro Gold 1000 (GPZ).
Taken from Gornergrat (3,150 m), Switzerland.

Image

Original:
https://c2.staticflickr.com/4/3764/3357 ... cc_o_d.jpg

marctoso
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Re: Submissions: 2017 March

Post by marctoso » Thu Mar 23, 2017 3:00 am

Ceremonies on the Edge
http://www.ancientskys.com
http://www.facebook.com/AncientSkys/
Copyright: Marc Toso This past week I had the opportunity to explore some Chacoan structures outside of the Chaco Culture National Historical Park in New Mexico. This a fabulously desolate area of BLM land surrounded by the Navajo reservation. A kind and elderly Navajo man gave us permission to camp among his cows, even though he warned us that they were “man-eating cows.”
This kiva is perched on a narrow ridge of sand in the middle of a wash, teetering on the edge. Lots of rubble is strewn on the hard-pack below. It is an usual and amazing site. Multiple kivas sit in balance, giving the site the feeling of deep ceremonial significance. Around 1000 years ago the architects of this place walked away.

This land is outside of the Chaco Cultural Historical. The earth is barren and the skies are black. Many of the lands in the Chaco Canyon greater area are leased by oil and gas companies. I fear their lights may at some point dot these views. Hopefully on my next visit this sky and land will still remain empty.

I attempted a new lightning technique on this trip. Since there were no mountains or hills blocking the horizon I began taking a series of photos right when the moon was rising in the east. I hoped to achieve a balance of just enough moonlight for the land while the sky remained dark for the stars.

Sirius, the Dog Star, in the constellation Canis Major is visible in the central frame, as well as Orion on the far right.

Astromontufar
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Re: Submissions: 2017 March

Post by Astromontufar » Thu Mar 23, 2017 6:25 am

alfredoxa wrote:[ENGLISH]
The lunar halo is an optical phenomenon in the form of a disk around the moon. The halo is caused by suspended ice particles in the troposphere that refract light and generate a spectrum of colors. In this case I was lucky that it was triple, an extremely rare event.

[SPANISH]
El halo lunar es un fenomeno optico en forma de disco alrededor de la luna. El halo es causado por partículas de hielo en suspension en la troposfera que refractan la luz y generan un espectro de colores. En este caso tuve la suerte de que fuera triple, un hecho extremadamente raro.

ImageTriple lunar halo by Alfredo Madrigal, en Flickr

Hi, that´s not a lunar halo, thats a lunar corona, check the scientific explination here: https://apod.nasa.gov/apod/ap150615.html , cheers. :)
Sergio Emilio Montúfar Codoñer
pinceladasnocturnas.com

IO_12
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Re: Submissions: 2017 March

Post by IO_12 » Thu Mar 23, 2017 7:54 am

Comet, planetary, galaxies
Comet 41P/Tuttle–Giacobini–Kresák near M 97 and M 108 on 22.03.2017
Copyright: Velimir Popov, Emil Ivanov Irida Observatory
Click to view full size image 1 or image 2
More info and hi-res images on website

alfredoxa
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Re: Submissions: 2017 March

Post by alfredoxa » Thu Mar 23, 2017 11:30 am

Hi Sergio, thanks for the clarification! I've already corrected it, by the way, awesome your APOD 2015!
Astromontufar wrote:
alfredoxa wrote:[ENGLISH]
The lunar halo is an optical phenomenon in the form of a disk around the moon. The halo is caused by suspended ice particles in the troposphere that refract light and generate a spectrum of colors. In this case I was lucky that it was triple, an extremely rare event.

[SPANISH]
El halo lunar es un fenomeno optico en forma de disco alrededor de la luna. El halo es causado por partículas de hielo en suspension en la troposfera que refractan la luz y generan un espectro de colores. En este caso tuve la suerte de que fuera triple, un hecho extremadamente raro.

ImageTriple lunar halo by Alfredo Madrigal, en Flickr

Hi, that´s not a lunar halo, thats a lunar corona, check the scientific explination here: https://apod.nasa.gov/apod/ap150615.html , cheers. :)
Telescope: TS Optics Hypergraph 8" f3.2 (640mm)
Mounts: Skywatcher EQ6 R
Camera: ASI ZWO 1600MM Pro
Filter Wheel: ZWO EFW 8x31mm
Filters: ZWO LRGB 31mm , ZWO H-Alfa, SII, OIII 31mm
Guider: Svbony SV106 60mm f4 + ZWO ASI 290MM mini

Sebastian Voltmer
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Hale-Bopp maga-zoom

Post by Sebastian Voltmer » Thu Mar 23, 2017 12:18 pm

Animation containing several photos of comet Hale-Bopp taken in April 1997.
http://www.astrofilm.com
Copyright: Sebastian Voltmer



First shot: Hale-Bopp on April 3, 1997. The blue ione tail crosses the double star cluster h & chi im Perseus and reaches the Heart- and Soul Nebula. 20 min exposure on Kodak EPP 100 (hyp.) with a 50mm lens. Taken from Gornergrat (3150 m), Switzerland.

Second shot: 10 min exposure using a 300 mm lens on Kodak Ektacolor Pro Gold 1000 (GPZ).

Third shot: Coma and streamer of Hale-Bopp. 10 min exposure using a C8 telescope @ 1230 mm f/6.3 on Kodak EPP 100 (hyp.)

Fourth shot: The False Nucleus of Hale-Bopp on April 3, 1997. Eyepiece projection through a C8 telescope. Taken from Gornergrat (3150 m), Switzerland.

Cheers,
Sebastian

GerminianiMaicon

Re: Submissions: 2017 March

Post by GerminianiMaicon » Thu Mar 23, 2017 1:55 pm

NGC 3576: The Statue of Liberty Nebula
TS 115/800
ZWO ASI 1600 mono cooled
PixInsight + PS6
HaRGB
5 hours H-Alpha 12nm
40 minutes each channel RGB
Total: 7 hours

alfredoxa
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Re: Submissions: 2017 March

Post by alfredoxa » Thu Mar 23, 2017 2:25 pm

[quote="alfredoxa"][ENGLISH]
Lying in the snow observing the magnificent aurora borealis in front of the crater Grænavatn (Krýsuvík - Iceland). A crater maar type probably about 6000 years old.

[SPANISH]
Tumbado en la nieve observando las magníficas Auroras boreales frente al crater Grænavatn (Krýsuvík - Iceland). Un crater de tipo maar probablemente de unos 6000 años de antiguedad.

ImageWatching the auroras by Alfredo Madrigal, en Flickr
Telescope: TS Optics Hypergraph 8" f3.2 (640mm)
Mounts: Skywatcher EQ6 R
Camera: ASI ZWO 1600MM Pro
Filter Wheel: ZWO EFW 8x31mm
Filters: ZWO LRGB 31mm , ZWO H-Alfa, SII, OIII 31mm
Guider: Svbony SV106 60mm f4 + ZWO ASI 290MM mini

Stefan Westphal
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Re: Submissions: 2017 March

Post by Stefan Westphal » Fri Mar 24, 2017 11:26 am

The Plejades Messier 45
Copyright: Stefan Westphal

More Data can you see here: http://www.astrobin.com/282478/?nc=user
Plejaden-M45.jpg

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