Starship Asterisk*

NGC 2174 - Monkey Head Nebula
Copyrights: Jeff Johnson
Larger size: http://jeffjastro.com/dso/NGC2174_29Jan17.htm M51A,B
Copyrights: Oleg Bouevitch Our nearest star
Copyrights: Oleg Bouevitch Iridium Flare in the Milky Way
Copyrights: Bill Basham NGC 6946: Fireworks Galaxy with SN 2017eaw
Copyrights: Christopher Sullivan M51 Whirlpool galaxy
Copyrights: Artūras Medvedevas NGC 5128
Copyrights: Gordon Mandell IC 1396 - Mosaic
Copyrights: César Blanco González
Full size: http://www.cieloprofundo.com/cesar/foto ... O_4500.jpg Venus & Waning Crescent Moon 05-22-2017
Copyrights: John Chumack SN 2017eaw in NGC 6946
Copyrights: Paolo Demaria Milky Way
Copyrights: Jonathan Washburn Coma Galaxy Cluster
Copyrights: Ronald Brecher The Orion Nebula
Copyrights: Ezequiel Etcheverry IC417 NGC 1931
Copyrights: Péter Feltóti NGC7000
Copyrights: Andrealuna Pizzetti Dust
Copyrights: Johann Nishant M45
Copyrights: Karim Bouhaddou C/2015 V2 (Johnson) on May 23rd
Copyrights: Damian Peach

Rho Opiuchi Cloud Complex
Copylight ByoungJun Jeong
Telesocpe : Takahashi FSQ-106ED (D:106mm, fl:530mm)
CCD : SBIG STX-16803
Mount : RainbowAstro RST-400
Filters : Astrodon true-balance gen2 50mm square LRGB
OAG : Astrodon MOAG
Guide CCD : SBIG RemoteGuideHead
Exposure : L 600s x 52(1x1bin), RGB each 600s x 23(2bin) total 20h 10m
Location : RainbowAstro Remote Observatory @ NewMexico (Dark Sky NewMexico)
Date : 19/Apr/2017, 20/Apr/2017, 21/Apr/2017, 22/Apr/2017, 23/Apr/2017

full resolution
http://www.astrobin.com/full/296747/0/

IC4592 Blue Horsehead
Copylight ByoungJun Jeong
Telesocpe : Takahashi FSQ-106ED (D:106mm, fl:530mm)
CCD : SBIG STX-16803
Mount : RainbowAstro RST-400
Filters : Astrodon true-balance gen2 50mm square LRGB
OAG : Astrodon MOAG
Guide CCD : SBIG RemoteGuideHead
Exposure : L 600s x 19(1x1bin), RGB each 600s x 13(2bin) total 9h 40m
Location : RainbowAstro Remote Observatory @ NewMexico (Dark Sky NewMexico)
Date : 2/Mar/2017, 25/Mar/2017, 23/Apr/2017

full resolution
http://www.astrobin.com/full/296543/0/

M63 Sunflower Galaxy
Copylight ByoungJun Jeong
Telescope : Planewave CDK14 (D:356mm, fl:2563mm)
CCD : SBIG STX-16803
Mount : RainbowAstro RST-400
Filter : Astrodon true-balance gen2 50mm square LRGB
OAG : Astrodon MOAG
Guide CCD : ZWO ASI174MM
Exposre : L 600s x 34(1x1bin), RGB each 600s x 12(1x1bin) total 11h 40m
Location : RainbowAstro Remote Observatory @ NewMexico (Dark Sky New Mexico)
Date : 23/Mar/2017, 24/Mar/2017, 18/Apr/2017, 19/Apr/2017

Full resolution
http://www.astrobin.com/full/293163/0/

M51 whirlpool galaxy
Copylight ByoungJun Jeong
Telescope : Planewave CDK14 (D:356mm, fl:2563mm)
CCD : SBIG STX-16803
Mount : RainbowAstro RST-400
Filters : Astrodon true-balance gen2 50mm square LRGB
OAG : Astrodon MOAG
Guide CCD : ZWO ASI174MM
Exposure : L 600s x 22(1x1bin), RGB each 600s x 10(1x1bin) total 8h 40m
Location : RainbowAstro Remote Observatory @ NewMexico (Dark Sky New Mexico)
Date : 24/Mar/2017, 26/Mar/2017, 15/Apr/2017, 17/Apr/2017

Full resolution
http://www.astrobin.com/full/292374/0/

NGC4631, NGC4656
Copylight ByoungJun Jeong
Telescope : Planewave CDK14 (D:356mm, fl:2563mm)
CCD : SBIG STX-16803
Mount : RainbowAstro RST-400
Filters : Astrodon true-balance gen2 50mm square LRGB
OAG : Astrodon MOAG
Guide CCD : ZWO ASI174MM
Exposure : L 600s x 12(1x1bin), RGB each 600s x 10(1x1bin) total 7h
Location : RainbowAstro Remote Observatory @ NewMexico (Dark Sky New Mexico)
Date : 3/Mar/2017, 19/Mar/2017

Full resolution
http://www.astrobin.com/full/288227/0/

M83 Southern Pinwheel Galaxy
Copylight ByoungJun Jeong
Telescope : Planewave CDK14 (D:356mm, fl:2563mm)
CCD : SBIG STX-16803
Mount : RainbowAstro RST-400
Filters : Astrodon true-balance gen2 50mm square LRGB
OAG : Astrodon MOAG
Guide CCD : ZWO ASI174MM
Exposure : L 600s x 14(1x1bin), RGB each 600s x 14(2x2bin) total 9h 20m
Location : RainbowAstro Remote Observatory @ NewMexico (Dark Sky New Mexico)
Date : 2/Feb/2017, 21/Feb/2017, 22/Feb/2017, 27/Feb/2017, 1/Mar/2017

Full resolution
http://www.astrobin.com/full/286285/0/

M92 GLOBULAR CLUSTER

M92 is one of the brighter globular clusters in the northern hemisphere, but it is often overlooked by amateur astronomers because of its proximity to the even more spectacular Messier 13. It is visible to the naked eye under very good conditions.

According to newer sources, M92 is about 26,000 light years distant, only little more than its brighter apparent neighbor M13.

Messier 92 has a very low abundance of elements other than hydrogen and helium. The cluster is not currently in a state of core collapse and the core radius is about 2 arcseconds.

Only about 16 variables have been discovered in this globular, 14 of which are of RR Lyrae type, while one of them is one of the very few eclipsing binaries in globular clusters, of W Ursae Majoris type.

http://astrophotographysirius.com/
Copyright: Lluís Romero Ventura

First noctilucent clouds of the season

Credits: Adrien Mauduit

Even though there is still some doubts about the first display on March 21st, this one is real very recognizable. Type I and II NLC (noctilucent clouds) were visible last night from Denmark (Ordrup strand) from midnight to about 2 am. It wasn't a very bright display like I have seen last year, but it is supposedly normal for the end May. I am looking forward to more displays, and a little time-lapse is evidently on the way!
Canon 6D + Canon 100mm f/2.8 @ f/3.5, ISO 640, 5''

sunset

Heart of the Galaxy by 虞 骏, on Flickr


Moon rise with Venus by 虞 骏, on Flickr


Moon rise by 虞 骏, on Flickr

Regardless common sense, ethics aside, how many times could someone submit the same pics again and again..?. I wonder, what if all of us do the same?

http://asterisk.apod.com/search.php?aut ... 4&sr=posts

M13 Cluster
Credit: Jaspal Chadha
Imaged 26/05/2017
Location London
Tak 130 Telescope
Ioptron CEM60 Mount
QSI 690 CCD

100% Lit Full Moon

Copyright: Giuseppe Petricca
http://www.astrobin.com/295220/
A Full Moon, illuminated in a 100% phase, imaged on July 20th, 2016. 30 Panel Mosaic.

Libration towards the south, which makes a lot of features near the Moon South Pole visible. Always fantastic contrast between the dark maria and the fairer lands around them, with the ejecta rays from Tycho and Copernicus.

SkyWatcher BlackDiamond Newton 200/1000 su EQ5 Motor - Barlow 3x COMA Apo/Apla - ASI 120 MM - Baader Red Interference - 150 frames - AS!2 - Registax 6.1 - Photoshop CC

Sulmona, Abruzzo, Italy

2016 Solar Analemma (and a Half) over The Outer Hebrides

Copyright: Giuseppe Petricca
http://www.astrobin.com/292963/0/
In the composition (a six shot panoramic for the background and 56 different solar pictures) we can clearly see two solar analemmas pictured respectively in the early and middle morning. The immediate thought goes to the morning figure (the one on the left) which is complete only for the upper summer half, as a proof of the long dark winter nights here in the upper latitudes.

An experiment that I wanted to try, and that I can surely say has been a success, even if the doubling of everything to capture the two figures is a workload to consider. And the weather surely made all this year long adventure like a lottery win in the end!

This strange figure, with a shape of an 8 or an infinite, the analemma, is caused by the axial tilt of our planet, and by the elliptical shape of our orbit around the Sun. If we take a picture day by day, always at the same hour, the Sun is not in a fixed position, but it slowly climbs up and then down the curve.

Canon EOS 700D - 18 mm Lens - 6 Shot Panorama Background - 56 Solar Pictures - Lightroom CC - Photoshop CC
Stornoway - Outer Hebrides - Scotland

NGC 4725 by Patrick Gilliland, on Flickr

Saturn - Moon Enceladus (Lower R) on May 27th, 05:38ut.

Comet taken 27th of May 2017 23:30 CET
For comet luminance : 12x600 second with Comet Tracking Module of ASA Autoslew software.
For comet colour: 5x300 secs each channel with Comet Tracking Module.
For background: 5x300 secs.
Enjoy!

Description:
This is my first try to take a photo of the heart of milkyway in Aznaveh, (near Kashan, Iran) a village that is surrounded by mountains and they reduce the light pollution of near cities.

Barnard 347

28-05-2017: Short but good seeing night in Hungary. 8x1800 s integrated Ha exposures with 6 nm Astronomik filter and Atik One 6 ccd.
Fully amatuer, 39 s time lapse video: https://www.youtube.com/watch?v=A2vmzp0ded8

M100
Credits: W. Keller, M. Hanson, R. Parker, S. Mazlin, T. Fung Tse, & SSRO/PROMPT/CTIO Antares
Copyrights: James Shimoji SN2017eaw supernova in the NGC6946 Galaxy
Copyrights: Tibor Pósán Cartwheel Galaxy
Credits and Copyrights: Data: Hubble Legacy Archive; Processing Domingo Pestana Solargraphy
Copyrights: Mátyás Szűcs Antares
Copyrights: Raul Villaverde Fraile Statue of Liberty - NGC 3576
Copyrights: Adam Jesionkiewicz Cassini Looks on as Solstice Arrives at Saturn
Image credits: NASA/JPL-Caltech/Space Science Institute/Hampton University
An article: https://www.jpl.nasa.gov/news/news.php?release=2017-150 M22
Copyrights: Alessandro Curci Milky Way
Copyrights: Sri Harsha Arangi Horsehead Nebula
Copyrights: Alessandro Cipolat Bares Pleiades
Copyrights: Alessandro Cipolat Bares NGC7023
Copyrights: Alessandro Cipolat Bares M33
Copyrights: Alessandro Cipolat Bares Collapsing Star Gives Birth to a Black Hole
Image credits: NASA/ESA Hubble Telescope
An article: http://hubblesite.org/news_release/news/2017-19 M13
Copyrights: Álvaro Ibáñez Pérez 65P/Gunn on May 24th
Copyrights: Damian Peach A Whole New Jupiter: First Science Results from NASA's Juno Mission
Copyrights: NASA/Juno
An article: https://www.jpl.nasa.gov/news/news.php?feature=6856 Iris and Cepheus Ghost
Copyrights: Leonardo Orazi Lightning above Ragusa's Coast
Copyrights: Marcella Giulia Pace

M94 Galaxy and halo

http://www.deepskyobjects.com/
Copyright: Behyar Bakhshandeh
The full 100% size:
http://www.deepskyobjects.com/Galaxies/M94_LRGB.asp

Sharpless 2-73 in Hercules
Copyrights: Steve Milne M97 - The Owl Nebula
Copyrights: Steve Milne NGC5033 with friends
Copyrights: Artūras Medvedevas ARP 240
Credits and copyrights: Data: Hubble Legacy Archive; Processing: Domingo Pestana Heron galaxy(ies)
Copyrights: Bruce Waddington
Larger size: http://www.coldphotons.com/zen_astro/al ... _Final.jpg Pipe Nebula
Credits and copyrights: Data: OmegaCAM/VST, DSS POSS II, R. Colombari; Assembling and processing: R. Colombari
Larger size: http://www.astrobin.com/full/297126/0/ Jupiter - 27 May 2017
Copyrights: Alexei Pace M63
Copyrights: Michele Trungadi The Great Carina Nebula
Copyrights: Andrew Campbell
Larger size: http://www.astrobin.com/full/295815/E/ If our eyes as sensitive as camera sensor
Copyrights: Martin Marthadinata Milky Way (Via Lactea)
Copyrights: Diego Alemán Supernova 2017eaw in NGC6946 and NGC 6939
Copyrights: Stefano Conti Centaurus A (NGC 5128) to Omega Centauri (NGC 5139)
Copyrights: José Jiménez Priego Milky Way Aquila from Sagittarius
Copyrights: José Jiménez Priego IC1396 in Cepheus
Copyrights: Gianluca Rossi
Larger size: https://www.flickr.com/photos/101872383 ... ed-public/ Homeward Bound
Copyrights: Michael Boyle Sr Supernova 2017eaw
Copyrights: Damian Peach
Animation: http://www.damianpeach.com/deepsky/ngc6946sne.gif Milky Way over Thrombolitesover
Copyrights: Jingyi Zhang Earth Shine Moon Twilight
Copyrights: Dario Giannobile Earth shadow, Moon and sunset
Copyrights: Göran Strand

Active prominence taken May 31, 2017 at 16:27 UT
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• Image captured using 228mm F9 telescope with Daystar Quantum PE .5 angstrom filter and ZWO asi174mm camera.

IC1318 : Butterfly nebulae in Cygnus
Copyrights: Raphaël Odet Keyhole Nebula
Credit: NASA, ESA, Hubble, HLA; Reprocessing & Copyright: Jesús M.Vargas & Maritxu Poyal M13 - Great Globular Cluster in Hercules
Copyrights; Konstantinos Christodoulopoulos Waiting for the Moonlight
Copyrights: Peter Šároši Pelican nebula (IC5070)
Copyrights: Keith Tannenbaum M83 The Southern Pinwheel Galaxy
Copyrights: Donald Waid
Larger size: http://www.waid-observatory.com/images/ ... 9-2000.jpg Aurora Australis display from Centre of Dunedin New Zealand
Copyrights: Ian Griffin The Milky Way in México
Copyrights: Edward Karim Milky Way above the dancing tree
Copyrights: Jordi LC ISS and the Aurora
Copyrights: Chris Cook Iridium flare 2017-05-29
Copyrights: Roberto Nesci Aurora from Northern Colorado
Copyrights: Scott Kindt Rho Ophiuchi, Antares and M4
Copyrights: Scott Kindt Jupiter with GRS, Europa's shadow, Io and Io's shadow - 29 May 2017
Copyrights: Alexei Pace Rho Ophiuchi – A Colourful Cloud in Space
Copyrights: Miguel Claro NGC 6188
Copyrights: Martin Pugh Milky way arc and meteor over Mount Huang
Copyrights: Jeff Dai (TWAN) Northern Lights from Utah (Arches National Park)
Copyrights: Sergio Garcia Rill Supernova 2017ein in NGC 3938
Copyrights: Damian Peach Saturn rides Dark Horse
Copyrights: Jimmy Westlake V838 Monocerotis
Credits and Copyrights: Data: Hubble Legacy Archive; Processing; Domingo Pestana Anticrepuscular rays from California
Copyrights: Luke Zachmann