Starship Asterisk*

SH2-101 SHO, 107 hrs
full size : http://www.cielboreal.com/galerie/photo73f.jpg

total frame 107Hr done with AP155 on Paramount MX+ in La Ginerie , France

http://www.cielboreal.com
Copyright: Team CielBoreal with J.C CANONNE, P. BERNHARD, D. CHAPLAIN & L. BOURGON

M16:
TOMAS:
H alfa: 12 Light de 900 segundos; 30 flats, 12 darks y 50 bias
OIII: 8 Light de 900 segundos; 30 flats, 8 darks y 50 bias
SII: 10 Light de 900 segundos; 30 flats, 10 darks y 50bias
PALETA:
HUBBLE
R= SII
G= H-alfa
B= OIII
L= H-alfa
TEMPERATURA: -10 GRADOS
TUBO: FSQ 106 ED
CCD: SBIG ST-8300M
MONTURA: CGEM
CCD guiar: QHY5II
LUGAR: TORREJÓN DE ARDOZ y LAS INVIERNAS (GUADALAJARA)

Perseus molecular cloud, IC348, NGC1333 Higher resolution: https://drive.google.com/open?id=0B9big ... nVNMHhybWM
Equipment: Canon FD 300/2.8 lens, ATIK 460, Baader filters, HEQ5 mount
Taken during more nights in September and October 2017, 2 field mosaic, total exposure time over 40h.
Copyright : Evzen Brunner

Copyrights: Raul Villaverde Fraile
Ngc1499_2017_halfa_RGBV2 by Raul Villaverde, en Flickr

Melotte 15
Astro-Physics RH305
FLI ML8300
50 x 1200s SHO

Copyright: Lloyd Smith, Deep Sky West

Aurora borealis photobombing the Big Dipper over the smokey Canadian rockies

Image credits: Adrien Mauduit

In the months of July and August, British Columbia in Canada has known some of its most destructive wildfires, spreading across hundreds of miles and ravaging entire ecosystems. Winds bore the smoke and ashes up high and far away, but mostly to most of Alberta because of the dominant South-west-originated stream. As I drove up to Pyramid Lake in Jasper National park on July 17th to try and get a shot of the much anticipated solar storm, a brilliant display started around midnight, local time, with majestic and colorful curtains spreading across the night sky. As the beams passed over Pyramid mountain, it completely photobombed the constellation of the Big Dipper, passing low on the horizon at this time of night and year. The smoke, very conspicuous in the image, gave me enough time to get the shot before engulfing the whole area. You could easily mistake the aurora for actual flames producing the smoke, a feature that gives a very special atmosphere to the shot!

Sony a 7rII + Samyang 135mm f/2, single shot.

A video of the phenomenon can also be viewed here: https://www.youtube.com/watch?v=P9T-1wsfeBQ&t=27s

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The return of the hunter

Credits: Adrien Mauduit

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The return of cooler temperatures has not gone unnoticed in the Alps region in France, and with it, shortening days, but more importantly the return of our beloved winter milky way. If you are a H-emission lover, the winter sky is for you: from the north-american nebula to the Orion belt, it is a feast for your camera. Too faint to be seen with the naked eyes, these nebulas can be enhanced with a special filter or by modifying your camera. Either way, it promises great sightings again this season. I took this pano shot last year in Denmark on Høve strand as an aurora was also making its appearance.
Canon 6D + Samyang 24mm f/1.4, 14 x 13'' @ ISO 3200, f/2.8

Conjunction of 3% Moon, Venus & Zaniah over the Swiss Alps

Credits: Adrien Mauduit

Early morning was a beautiful sight to behold. The 3% crescent moon rose along Mars (too high for the picture), Venus, which was close to Zaniah, a fainter star. I was hoping the moon would rise more to the west so that I could get some snow with it, but these beautiful mountains East of the 'Dents du Midi' in Switzerland will do! The shot is taken from Gex in France.
Sony a7rII + Sigma 150-500mm APO f/4-6.3, 3 landscape shots.

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Hunting the Hunter

Credits: Adrien Mauduit

In this shot composed of 20 light frames (no calibration frames), I wanted to capture the the detailed nebulosity of the Orion complex rising above the Swiss Alps on October 26th 2017. I went up the the Emosson Damn near the French border to capture it. My primary goal was to take time-lapse sequences of the constellation at 135mm where you can see the complex rising, and it is very challenging because you have to know you settings, gear and skills to get results like that in single frames. A video is also available here: https://www.youtube.com/watch?v=9sREtfg ... pdw03c010c
The challenge was to get the H-alpha emission using a tracker while shooting in a very light polluted area (Italy, France nearby)

Canon 6D astro modded + Pure Night light pollution filter + Vixen Polarie + Samyang 135mm f/1.4 @ ISO 4000, 20 x 15'', f/2.8

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Northern Light Cascade

Credits: Adrien Mauduit

I have never witnessed such bright auroras in my whole life. Last September, as the solar storm was still raging on, the particles from the sun sparked a G1 strong event that brightened the Icelandic sky. When I say brightened, I mean literally. The particles lit up the gas molecules so much that it blew out all my highlights, and since I mainly take time-lapse, it was impossible to change the settings, but it gives you an idea of what the settings are for 'normal' aurorae. It is definitely on my top 3 displays ever.
I went to Thingvellir national park to shoot. One after the other, the aurora started with a typical arc growing from the north and moving southwards, and then exploded into pillars and coronas. In total, I witnessed 4 major explosions and coronas, as you can see on the pictures. The whole landscape was lit.

It looks like the aurora is emerging directly from the water fall, acting as a mirror. While the sky is literally peppered with white and green flames, it shed loads of light on the scenery revealing the waterfall right beneath it.

Canon 6D + Sigma 14mm f/1.8, 2'', f/2.2, ISO 1250-3200

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Draconids and aurora at 40000 feet

Credits: Adrien Mauduit

On the night between the 7th and the 8th (last night while my European friends were sleeping), I was flying above the Atlantic ocean at around 40000 feet from Canada to Europe when the aurora decided to show at around 1:00 am LT (South of Greenland). Our route was far south to really see the aurora and the moon was still washing everything out, but I always take the north window seat and have my cameras ready anyway. Even against all odds, a beautiful cyan arc and eventually pillars appeared, and much anticipated guests also made their appearance: most likely Draconid meteors. One conclusion to be drawn: you can always see tons of stuff on a plane at night, you just have to look out the window and get the window seat!

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sunset
flames of sunset

Orion the Hunter
http://www.MDieterichPhoto.com
Copyright: Matt Dieterich https://c1.staticflickr.com/5/4447/3732 ... 311c_h.jpg

Milky Way through the Clouds
http://www.MDieterichPhoto.com
Copyright: Matt Dieterich https://c1.staticflickr.com/5/4463/2417 ... e3be_h.jpg

Galactic Core
http://www.MDieterichPhoto.com
Copyright: Matt Dieterich https://c1.staticflickr.com/3/2906/3380 ... 7cda_o.jpg

Title of image
http://www.MDieterichPhoto.com
Copyright: Matt Dieterich https://c1.staticflickr.com/5/4485/3803 ... 268b_o.jpg

Erupting Rainier
http://www.MDieterichPhoto.com
Copyright: Matt Dieterich https://c1.staticflickr.com/5/4445/3803 ... 8393_h.jpg

Mount Rainier Milky Way
http://www.MDieterichPhoto.com
Copyright: Matt Dieterich https://c1.staticflickr.com/5/4462/3803 ... a683_h.jpg

Pelican in Narrowband...IC 5070, 24 hours

NGC 281 in the dust
Copyrights: Stathis Mexias Day and Night
Copyrights: Mahyar Moradi Chafi C/2016 R2 (PanSTARRS) on Sep 18th
Copyrights: Damian Peach Fogbow with aurora
Copyrights: Mia Stålnacke IC 1848 The Soul Nebula
Copyrights: Jose Jimenez Priego Soul nebula
Copyrights: Juan I. Jimenez Messier 16 : Pillars of creation
Copyrights: Hojae Ahn Sunspots
Copyrights: Ancil Nance NGC7000 Dark Nebulae
Copyrights: Leonardo Orazi NGC 6240
Credits and copyrights: Data: Hubble Legacy Archive; Processing: Domingo Pestana NGC 7000
Copyrights: Idir Saci Pleiades from Sierra Nevada (Spain)
Copyrights: Javier Flores NGC2264 The Cone Nebula
Copyrights: Jason Green Sunset behind the Four Towers of Madrid
Copyrights: Alfonso Espinosa NGC7380, The Wizard Nebula
Copyrights: Oleg Bouevitch Reach for the Sky
Copyrights: Jeff Dai Roads
Copyrights: Roberto Antonio Cristian López Fireworks Galaxy and the fading supernova SN 2017eaw
Copyrights: Lionel Majzik Star trails
Copyrights: Udit Pratap Das M33 from Spain
Copyrights: Álvaro Ibáñez Pérez

Comet C2017 O1 (ASASSN)
Copyrights: Quico Hernández Cats Eye Nebula
Copyrights: G. Chatzifrantzis The Moon
Copyrights: Richard Bosman Omegan Energy
Copyrights: Camilo Jaramillo ISS from Sicily
Copyrights: Marcella Giulia Pace Full rotation of Earth - 23:56
Copyrights: Ferenc Szémár Field around M8 and M20
Copyrights: Domingo Pestana, Nicolás Romo, Raúl Villaverde The Desert is Unique
Copyrights: Joseph Hernandez Messier 33
Copyrights: Raul Villaverde Fraile Stars over Metzingen in Southern Germany
Copyrights: John Price NGC7635
Copyrights: Christopher Gomez NGC253 - The Sculptor Galaxy
Copyrights: Christopher Gomez Cygnus Wall (NGC 7000)
Copyrights: Chuck Ayoub Ancient tree and ancient galaxy
Copyrights: Jeff Dai Moonset at Belém Tower
Copyrights: György Soponyai NGC 7635
Copyrights: Frederic Lambert Milky Way arch
Copyrights: Florian Legrand Tulip Nebula
Copyrights: Madhup Rathi Bubble Nebula
Copyrights: Madhup Rathi NGC7497
Copyrights: Carmine Iaffaldano M33
Copyrights: Carmine Iaffaldano IC342
Copyrights: Carmine Iaffaldano Milky Way
Copyrights: Cesar Cantu Quiroga IC5067
Copyrights: Peter Remmel

M42 Great Orion Nebula
Copyrights: Roderick Wolsifer Helix
Copyrights: Mike Berthon-Jones NGC 281, IC 11 or Sh2-184 a star formation region in Cassiopeia
Copyrights: John Chumack IC-1396 The Elephant's Trunk Nebula Complex - Close-up
Copyrights: John Chumack Milky Way from Zabriskie Point in Death Valley
Copyrights: Miguel Claro Plane in front of the Sun
Copyrights: Mark Slovenc LBN331 Emission nebula
Copyrights: László Bagi Atlantic transit
Copyrights: Juan Antonio Borrero Sun closeup
Copyrights: Marco Guidi Rivers of Stars
Copyrights: Amir Shahcheraghian Pelican nebula (IC5070)
Copyrights: William Tan IC 1318 - Butterfly Nebula from Northern France
Copyrights: Sébastien Gozé Mistral Nebula and NGC3293
Credits and Copyrights: Data: OmegaCAM/VST/VPHAS+; Assembling and processing: R. Colombari Galactic Arc at Rano Kau Vulcano, Rapa Nui (Easter Island) - Chile
Copyrights: Ruy Barros Mirach and it's Ghost, NGC 404
Copyrights: Kent Wood SH2-129 & Ou4 Flying Bat & Squid Nebula
Copyrights: Douglas J Struble The Andromeda Galaxy M31
Copyrights: Terry Hancock

NGC1333 Testing Data by Patrick Gilliland, on Flickr

Windmill and Galaxy, Human and Nature

i toke the picture in a small city south of China, Oct 21. There are many windmills on the top of the mountain, and I saw the beautiful galaxy in the sky. now, pollution is a big problem in China, windmill power generation is a good way to protect our nature.

Canon5D3+16-35mm,F2.8,iso2500.

The turbulent Rosette Nebula processed utilizing the Hubble SHO palette. 12 hours of total acquision through Ha, OIII and SII filters from light-polluted skies, revealing fine gas and cloud details. One of the gems of the fall and winter sky!


Turbulent Rosette
Copyright: Daniel Crosse 2017 https://farm5.staticflickr.com/4494/380 ... 7fa3_o.jpg