Starship Asterisk*

Great orion nebula & Horse head nebula
Copylight ByoungJun Jeong

full resolution
http://www.astrobin.com/full/283499/0/=

Inside NGC 2237

Image Credit & Copyright: José Jiménez Priego & Raul Villaverde Fraile



https://www.facebook.com/jose.jimenezjj
https://www.facebook.com/raul.villaverdefraile?fref=ts

COAL SACK Northern Side - Dark Cloud in Crux

The Coal Sack nebula is one of the most prominent dark nebulas in the sky. Under dark skies it is easily visible due to contrast with the dense star background of the southern Milky Way. Its main area is located in Crux, but spreads also into the constellations of Centaurus and Musca.
The image is showing the north part of the Coal Sack. The bright and relative small nebula in the upper left is called RCW 71 which is ionized by the 0.95 V star also known as HD 311999, center top the popular Jewel Box or NGC 4755 and, to the upper right open galaxy cluster NGC 4852 with 12 arc minutes in diameter and 8.9 magnitude.

more info at
http://www.baskies.com.ar

Cheers
Sergio

This "Firefall" effect is caused by the setting sun lighting up Horsetail Falls in Yosemite Valley. It appears in early February when enough water is flowing and the sky is clear at sunset. It should also appear in the fall when the Sun's declination is similar, but seldom is there enough water flowing in the fall. It is named after the original Yosemite Firefall which was created by pushing burning embers off Glacier Point. That firefall was stopped in 1968 to prevent the crowds, traffic jams, and damage to the meadows around Camp Curry. The first published photos of the effect were by Galen Rowell in 1973. The event has now become a popular tourist event with small crowds and traffic control in place.

https://en.wikipedia.org/wiki/Yosemite_Firefall

The Firefall is visible from many locations in Yosemite Valley, but conditions must be good to see the dramatic effect. The Sun must set in clear skies and the falls must have sufficient water.

A Seagull

Copyright: Paul Haese

Click here for larger image.

In the clutches of the tarantula
NGC 2070
Tarântula Nebula
TS 115/800
ZWO ASI 1600 MONO COOLED

Composition:
HA 40%
RGB 60%
HA: 180 Minutes
RGB: 40 - 32 - 32
Total: 4:44 Hours
PixInsight + PS6

Description:
Located about 180,000 light-years away, in the constellation of Dorado The Tarantula Nebula, is part of the Great Magellanic Cloud, satellite galaxy of the Milky Way. It is a region of intense star formation, and has a diameter that exceeds 1000 light-years. The star cluster R136 in the center of the nebula produces much of the energy that makes the nebula visible. It is the largest known emission nebula. It is about 100 times as far away as the Great Orion Nebula, and if it were In the same distance that Orion is of us (1500 Light Years) would cover an area of ​​60 full moons, being able to cause shadows (Wikipedia) Initially it was considered a star, however in 1971 Nicolas Louis de Lacaille identified it like a nebula. NewHaRGB by maicon germiniani, no Flickr

Nebulae in the Unicorn
Info and high resolution images http://www.luceslejanas.com/galeria/neb ... 70_en.html
Copyright: Ernesto Luppino

Conjunction panorama from Teide Observatory
Copyrights: Juan Carlos Casado Sirius B
Copyrights: Sebastian Voltmer Earthshine
Copyrights: Björn Hoffmann Clouds of NGC 1805
Copyrights: Danny Lee Russell C/2015 V2
Copyrights: Damian Peach Airglow & Andromeda, at Yellowstone National Park
Copyrights: Carlos Eduardo Fairbairn Earthshine and airplane
Copyrights: Uğur İkizler The Hearth of Auriga
Copyrights: Rafael Schmall New Moon crescent in persian gulf
Copyrights: Amir Shahcheraghian Night sky over Iran
Copyrights: Amir Shahcheraghian Colourful Venus
Copyrights: Marco Guidi Moon and Venus
Copyrights: Marcella Giulia Pace Scythes of the Moon
Copyrights: Marcella Giulia Pace Cone Nebula - NGC 2264
Copyrights: Alfredo Beltran Crescent Moon with Venus and Mars
Copyrights: Geoff Chester NGC 1530
Copyrights: Dirk Bautzmann Rosetta Nebula
Copyrights: Carlos Uriarte Cone and Christmas Tree Nebulae
Copyrights: Jakob Arthur Andersen Orion Nebula
Copyrights: Jakob Arthur Andersen NGC3077
Copyrights: Carlos Malagón Venus, Mars and Moon
Copyrights: Gallon Weng

Green flash
Copyrights: Xavier Mas Milky Way and Zodiacal light: from south to the north
Copyrights: Petr Horálek It's back - The Summer Milky Way in January
Copyrights: Chris Cook Messier 33
Copyrights: Péter Feltóti B33 IC434 Area
Copyrights: Fabiomassimo Castelluzzo Zodiacal Light and a Bridge to Andromeda Galaxy
Copyrights: Miguel Claro Crescent Moon Meeting Planets Venus and Mars
Copyrights: Manuel Antonio Castellanos Castillo Sun Pillar - Bowling Green, KY
Copyrights: Barry Arnold Crescent Moon
Copyrights: Hector Guerrero Moon and Venus over the Iran
Copyrights: Amirreza Kamkar Comet C/2015 V2 Johnson
Copyrights: Adriano Valvasori The Tulip and Cygnus X-1
Copyrights: Ivan Eder Moon, Mars, and Venus
Copyrights: Jarred Donkersley Moon-Venus Conjunction over Zoñar lacoon (Spain)
Copyrights: Jesus R. Sanchez Forehead in the Sky
Copyrights: Jianfeng Dai M16 The Eagle Nebula Complex
Copyrights: John Chumack Mars, Venus and the Moon line up
Copyrights: Srikanth Boga Mars, Venus and Moon
Copyrights: Tunç Tezel Monkey Head nebula
Copyrights: Juan I. Jimenez M1 - Crab Nebula
Copyrights: Julien Quirin NGC 1435
Copyrights: Julien Quirin Moon, Venus, Mars and… storks
Copyrights: Francisco José Sevilla Moon, Venus and Mars over the British Columbia legislature
Copyrights: Roger Botting Venus, Mars, Moon and ISS together - ISS and Mars aligned
Copyrights: Maxime Oudoux

Ball Lightning
http://pauloppereira.com
https://www.facebook.com/PauloSPPereira
Copyright: Paulo P. Pereira

During a thunderstorm I shot some long exposures and caught this giant ball lightning (I guess). This is not a stack of images, it's just a 30 seconds exposure. All the lightings occurred simultaneously. I've never seen this before. I think I was lucky capturing this moment.

M78

M78 by Simon W, on Flickr

https://www.flickr.com/photos/48232585@N00/32788944361/

4 Panel M42 NIR/Ha/RGB Mosaic by Onejoshsmith, on Flickr

copyright: Josh Smith

Moonrise on Hármashatár-hegy
Copyright: György Soponyai

Hármashatár-hegy is a mountain in the city of Budapest, Hungary. Its name comes from the fact that the borders of 3 cities (Buda, Óbuda and Pesthidegkút) met at this point in the 19th century. Today these cities have merged into Budapest but the name of the mountain remained unchanged. The top of the mountain is located at 496 meters above sea level.





Photo details:
2017.02.15 Budapest, Hungary
Canon EOS 5D Mark II + Samyang EF 24/1.4
5 sec, F2.0, ISO 1000

Witch Head Nebula
Copyright: Sebastiano Recupero

Telescope: FSQ-106EDX3 @f/3.6
Camera: QSI 683 wsg8
Filters: Astrodon Gen2 Tru-Balance LRGB
Mount: Paramount MyT
Integration: L:R:G:B —> 14:6:6:6 x 600s, total: 5h 20m
January 30-31 2016, from Madonie Mounts, Italy
Software: TheSkyX, FocusMax, PHD2, Voyager, PixInsight.

Thanks Sandgirl for sharing my image. Was taken in Torroja del Priorat, near Barcelona. A litle town with only 215 hab.
In this photo a selfie: Rossete image has an 21 subs of Halpha, 18 subs of OIII, and 9 subs of SII, with ASI 1600MMC and Takahashi FSQ106 http://foro.astrotorroja.es/download/fi ... &mode=view
Here in astrobin profile:
https://www.astrobin.com/281995/?nc=user

Messier 42 & 43 The Orion Nebula & Running Man Nebulae
Copyright: Chuck Manges


M42 The Orion Nebula by Chuck Manges, on Flickr

Light Pillars by Dimitri Goderdzishvili, on Flickr

The Corona Australis Nebula
Copyright: Hermann von Eiff

The Pelican Nebula
Copyright: Sebastiano Recupero

Telescope: Takahashi FSQ-106EDX3
Camera: QSI 683 wsg8
Filters: Astrodon Gen2 Tru-Balance LRGB
Mount: SW AZ-EQ6
Integration: R:G:B —> 5:5:5 x 600s, total: 2h 30m
August 03 2014, Argimusco, Montalbano Elicona, Italy
Software: MaximDL, FocusMax, PixInsight

Lunar coronae
Copyright: Thomas Kast
Website: http://www.salamapaja.fi

Capture: A night in Finnish Lapland with lots of fog pads around and high, thin clouds. Temperature around -20. I've seen these rainbow rings before but never so many. This phenomena came and went every half hour or so, depending on the clouds/crystals moving at the right place.

Location: Kittilä, Finland
Gear: Nikon D5 with 14-24mm f2.8

from Manciano Italy with Taka fsq85 and 60D cds, processing of 25x720s to 800iso without filters,preprocessing with PixInsight 1.8
processing performed by Riccardo De Benedictis with Photoshop CC 14 and Topaz Labs
Shooting data performed by Alessandro Milani

Penumbral Eclipse of the Snow Moon
https://www.flickr.com/photos/7776810@N07/32957337465/
Copyright: Alan C Tough

NGC 5068 + 5084
Dan Crowson - http://www.crowson.com

NGC 5068 (ESO 576-29 and others) is a face-on barred spiral located approximately 22 million light-years away in Virgo

NGC 5084 (ESO 576-33 and others) is an edge-on spiral galaxy located approximately 80 million light- years away in Virgo.

Luminance – 18x600s – 180 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2

300 minutes total exposure – 5 hours

Imaged January 27th, 28th and 29th, 2017 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm.

Full Size image here - https://www.flickr.com/photos/dcrowson/ ... 72/sizes/l

Ngc 2237 "Rosetta Nebula"
Telescopio Rifrattore Apo Ts Photoline 130mm con spianatore Hotech
CCD Moravian G2-4000 a - 25° in binning 1x1
Exp: 3 ore Halpha + 2 ore LRGB
Loc. Castelfiorentino (Fi)
Samuele Gasparini
web site: http://www.astrobook.it
High resolution immage: http://www.astrobook.it/gallery/rosetta_definitiva2.jpg

Comet 45/P Honda - Mrkos - Pajdusakova on 17.02.2017
Copyright: Velimir Popov, Emil Ivanov Irida Observatory More info and hi-res images on website