Starship Asterisk*

Copyrights : Raul Villaverde Fraile
All my works are made with DSLR.
ngc7000_2016RGBv4 by Raul Villaverde, en Flickr

Equinox crepuscular rays
As I was playing football with my sons in the garden, I observed the crepuscular rays. Running up on the stair for the camera and running down to catch the view from the garden. The scene was beautiful with my almond tree and Cotynus coggygria bushes.

Tamas Abraham
Zsambek, Hungary

last quarter, 05:04 first quarter, 13:51 full moon happy equinox september 2016

M33. Triangulum Galaxy
Full size here.



My Equipment:
Astrosib RC360,
WS-240, SitechII,
ScopeDome M3 v3,
FLI (PL16803+CFW7+LRGB+Ha+OIII+SII),
RoboFocus, Optec Gemini Focusing Rotator
Off-axis - SX Lodestar X2

Integration:
L = 19 x 1800s bin1
RGB = 10 x 900s bin2
HaOIII = 11 x 1800s bin2
Total: 28H

Location: Belarus
Author: Andrei Ioda
http://astro.ioda.by

Blue Horsehead and Rho Ophiuchi Cloud Complex with Guest Planet
Credit: Amit Ashok Kamble

Had this little project in mind for a wee while, Had collected the data back in April when the Galactic core was rising and going over head. I took whole bunch of data over few weeks and ended up with 5 hours worth of data.
BUT, one thing I did not consider is the position of mars over few weeks (Center super bright object), I thought if I keep collecting data and stack them, I might be able to get rid of it, but because it was in a stack of few hundred images, I could not get rid of it and the stack look horrible with 5 bright red Mars across the image, so decided to ignore rest of the data and only stack from one session.
The image shows an interesting part of the night sky:
1) The blue horsehead nebula (IC4592) is a reflection nebula in the Scorpius constellation that is lit by Nu Scorpii.
2) Rho Ophiuchi cloud complex is a dark nebula of gas and dust around 460 Light years away. Temperatures of the clouds range from 13–22 K, and there is a total of about 3,000 times the mass of the Sun in material. Over half of the mass of the complex is concentrated around the L1688 cloud, and this is the most active star-forming region. The million-year-old star at the center of the disk has a temperature of 3,000 K and is emitting 0.4 times the luminosity of the Sun. (Source : Wiki)
This image is made up of 115 x 60 sec = 1.91 Hrs (The clouds rolled in so had to skip around 30 frames)
Exif for each frame: 60sec, ISO 1600, f3.2 at 135mm using Tamron 70-200 on Canon 6D, tracked using iOptron Skytracker
Image was processed in PixInsight and Photoshop CC

Full Moon and Perth

Cocoon Nebula
http://observatorioelche.blogspot.com.e ... -5146.html
Copyright: Juan Lozano de Haro https://2.bp.blogspot.com/-7K1Hy6eoBNM/ ... %2B400.jpg

NGC 6334 Cat’s Paw Nebula
http://jebersol.zenfolio.com/
Copyright: John Ebersole Narrowband, emission line imaging (HST palette) provides striking structural detail and color contrast in this image of NGC 6334, the Cat’s Paw Nebula in Scorpius.

C19 - The Cocoon Nebula in 3-channel Narrowband by Transient Astronomers, on Flickr

Image credit and copyright: Tom Bramwell / Tom Masterson

IC 5067 in the Pelican Nebula
http://www.massimotosco.it/image-galler ... se-up.html
https://www.flickr.com/photos/138399404 ... ed-public/
Copyright: Massimo Tosco

Interstellar matter and dust

Banquet of interstellar dust matter and looking at the internal threads of our galaxy somewhere between Centaur Sagittarius and the powerful Scorpio in the constellation Ophiuchus, where the secular horse galloping our imagination inside the stars.

The main disc of our galaxy has a diameter of 80,000 to 100,000 light-years, the perimeter 250 to 300 000 light years and a thickness of about 1,000 light years. It consists of 200 up to 400 billion stars. If we define a natural scale and assume that the Milky Way has a diameter of 130 km, the solar system would have a length of 2 mm. The Galactic Halo extends over a diameter of 250,000 and 400,000 light years. As reported extensively in the galaxy structure below, new research has shown that the disk extends much more than we thought until last.

Officially, since 2005, the Milky Way is now considered to be a large barred spiral galaxy SBbc type the Hubble sequence (small barred spiral helix) with a total mass of 600 to 3,000 billion solar masses (M☉) [5] [6], comprising from 200 to 400,000,000,000 stars.
The galactic disk has an estimated diameter of about 100,000 light years. The distance of the Sun from the center of the galaxy is estimated at 26,000 light years. The disc is protuberant in the center and symperikleietai from the so-called thick disk.

The Sun (and thus the Earth and the Solar System) is quite close to the inner ring of the Arm of Orion, local cloud, at 7,94 ± 0,42 kpc from the Galactic Center. The distance between the local arm and immediately nearest, the Perseus Arm, is of the order of 1 · 1019 m (6.500 light years). The Sun and by extension the solar system, located in what scientists call the Galactic Habitable Zone.

The direction of the Sun's path (apix or corymb), refers to the direction of the Sun as it travels in the Galaxy. The general direction of galactic motion of the Sun is near the constellation Hercules, at an angle of approximately 86 degrees from the Galactic Center. The orbit of the Sun in the Galaxy is expected to be approximately elliptical with the addition of influences from the galactic arms and uneven mass distribution. We are currently 1/8 of the track before perigalaxio (the shortest distance from the center of the Milky Way).

The solar system takes about 225-250000000 years to complete an orbit (one Galactic Year), so speculation has performed approximately 20-25 orbits during its lifetime. The orbital speed of the Solar System is 217 km / sec, ie. One light-year every 1,400 years, and 1 AU in 8 days.

Canon eos 6D, SW EQ6, EF 85mm f1.2 LII, 85mm f/2.8, Iso800, 14X180sec, DSS, PS
Corfu, Greece

Milky Way in Sagitarius
Copyright: José Jiménez Priego

https://www.flickr.com/photos/astromet/ ... ateposted/

https://www.facebook.com/jose.jimenezjj
https://twitter.com/JJastromet
https://www.flickr.com/photos/astromet/albums

Playing with the Harvest Moon
Copyrights: Dani Caxete Penumbral Lunar Eclipse in Singapore on 17 September 2016
Copyrights: A Kannan The Penumbral Lunar Eclipse 2016 - Iran
Copyrights: Khosro Jafarizadeh Penumberal eclipse
Copyrights: Alireza Rahimi September Harvest Moon
Copyrights: Jarred Donkersley Melotte 15
Copyrights: Jens Zippel Gassendi
Copyrights: Cristiano Ceracchini LDN673
Copyrights: Leonardo Orazi Enjoying the sky during the day
Copyrights: Adolfo Garcia-Marin Penumbral Lunar Eclipse of Sep 2016
Copyrights: Amirreza Kamkar Penumbral eclipse of 16th Sept 2016 from Ram Yantra, Jantar Mantar Delhi, India
Copyrights: Chander Devgun A shark in the sky
Copyrights: Sebastiano Recupero NGC 7023 - The Iris Nebula
Copyrights: Oliver Czernetz

Harvest Moon and plane from Fountain Hills, Arizona
Copyrights: Mircea Goia Harvest Moon Eclipse above Sesimbra Castle in Portugal
Copyrights: Miguel Claro Full Moon
Copyrights: Jhon Harold The Sun shining through the tree branches
Copyrights: Jhon Harold Penumbral eclipse on the island of Benidorm
Copyrights: Jero Esquerdo Galiana NGC 5139 Omega Centauri globular cluster
Copyrights: Francesco Badalotti Messier 52 - NGC 7635 Bubble nebula
Copyrights: Péter Feltóti Full Moon on 9/16/2016 from Apex, North Carolina
Copyrights: John Sadler 9/16/16 Full Moon from Lake Junaluska, North Carolina
Copyrights: Elias James A song of galaxy and fire
Copyrights: Jiajie Zhang ALMA Uncovers Secrets of Giant Space Blob
Image Credits: J.Geach/D.Narayanan/R.Crain
An article: http://www.eso.org/public/news/eso1632/ http://asterisk.apod.com/viewtopic.php?t=36393

The darkest Cementery in the world
Copyrights: Oscar Blanco Full Moon rise in Hong Kong after mid-autumn festival
Copyrights: Alfred Lee Cocoon Nebula
Copyrights: John Mallett
More images: http://www.astro.me.uk/ Full Moon Rising Trail
Copyrights: Vijay Kapoor IC 4182
Copyrights: Dean Salman Strongest Flare of 2016
Copyrights: Peter Desypris North America closeup
Copyrights: Massimo Tosco Washington Monument and the Equinox
Copyrights: Shashank Shekhar Full Moon Over Bogotá
Copyrights: Leonardo Villa Alvarez NGC660 - Polar-Ring Galaxy
Copyrights: Ron Brecher

sundogs

sundog and egrets ...and paramotor sunset

LBN 437 in Lacerta
LBN 437 is a molecular cloud, approx. 1200 lyrs. away towards the constellation

Copyright: Gerhard Bachmayer Large version: http://www.pbase.com/gbachmayer/image/1 ... 3/original

http://www.pbase.com/gbachmayer/astrophoto_b

Sirius A&B(400% cropped)

Date: 2016.9.22
Location: National Hsin-feng Senior High School, Taiwan
Optics: Takahashi TOA-130
Camera: ASI120MC
Exposure: 1/60s

Copyright: Hung-Hsuan Yen
https://www.facebook.com/redscosky

Aldebaran occulted by the Moon


0s ~ 40s: disappearance
40s ~60s: reappearance

Date: 2016.9.21~22 UTC
Time: 23:10:00(disappearance)~00:18:27(reappearance, dark limb) UTC
Location: National Hsin-feng Senior High School, Taiwan(22.972196, 120.295785)
Optics: Takahashi TOA-130
Camera: ASI120MC
Exposure: 1/4000s(disappearance), 1/3000s(reappearance)

Copyright: Hung-Hsuan Yen
https://www.facebook.com/redscosky

the archaeology and halo of sun, at the Puerta de la Villa temple of diana

mMy image of DWB - 111 ,the Cosmic Propeller Nebula in Cygnus

a 7 filtered image using narrow band and RGB L as a hubble palette with visible colour for stars and background
900 sec subs for Ha, O3 and S2
300 sec subs for R,G and B
24 hours total imaging time
Astrodon filters for RGB, Astrodon 5nm for Ha, O3 and S2

a full res version is at
http://shaunreynoldsastro.com/p41477931 ... #h2a83995c

NGC 281

Copyright: Mark Hanson

This is an HALRGB image taken at SRO using a Officina Stellar Pro 500 RC.
This is 50% resolution Ill try to post a better image on my website when I get it back up and running.

Thanks,

Mark Hanson

I'm not sure why when I post it turns out so dark.
Mark

Night sky: Southern hemisphere
Copyrights: Ricardo Leite Cygnus Loop
Copyrights: Scott Champion IC 1848 - IC 1805 Heart and Soul nebula
Copyrights: Jose Jimenez Priego Solar limb flare surges
Copyrights: Jim Ferreira Gulf of Mexico Nebula
Copyrights: José J. Chambó Moon on 9:12pm 18/09 and 19/09
Copyrights: Wang Letian Bursa Analemma & Mercury Transit
Copyrights: Tunç Tezel Rigel and Witch Head nebula
Copyrights: Hermann von Eiff On the bridge to the Milky Way
Copyrights: Göran Strand Partial Solar Eclipse 2015
Copyrights: Valter Luna (Vegaquattro Astronomical Observatory) Milky Way from Porto,Portugal
Copyrights: Claudio Oliveira Mammatus clouds over Boulder, Colorado
Copyrights: Sara Kelley Gladem-Burr Sunset at 10,000 feet (3,000 metres)
Copyrights: Richard S. Wright Jr. VDB140
Copyrights: Günter Kerschhuber NGC 7789
Copyrights: Houssem Ksontini ALMA Explores the Hubble Ultra Deep Field
Image credits: ALMA (ESO/NAOJ/NRAO)/NASA/ESA/J. Dunlop et al. and S. Beckwith (STScI) and the HUDF Team
An article: http://www.eso.org/public/news/eso1633/ http://asterisk.apod.com/viewtopic.php?t=36398

Milky Way from Roque de los Muchachos
Copyrights: Sergi Luque Western Veil Nebula
Copyrights: Giuseppe Passera M16 - Eagle Nebula
Copyrights: Chris Hendren

The Heart and Soul nebulae IC1805 and IC1848 and the Double Cluster that includes the open clusters NGC 869 and NGC 884
Copyrights: Adrien Klamerius Sh2-132
Copyrights: Matt Dahl Magellanic Clouds over Okavango Delta
Copyrights: Jose Manuel Sanchez IC 5070 and NGC 7000
Copyrights: Raul Villaverde Fraile Western Veil Nebula
Copyrights: Ron Brecher Hubble helps find light-bending world with two suns
Image Credits: NASA, ESA, and G. Bacon (STScI)
An article: http://www.spacetelescope.org/news/heic1619/ http://asterisk.apod.com/viewtopic.php?t=36395

Center of the milky way
Copyrights: A Hletrd The summer triangle
Copyrights: A Hletrd The Great Andromeda Galaxy M31
Copyrights: Christian Rausch NGC 7000
Copyrights: Don Curry Mars (March 23rd.)
Copyrights: Damian Peach Jupiter (March 23rd.)
Copyrights: Damian Peach Saturn (March 23rd.)
Copyrights: Damian Peach Virtual dome above Bosque Alegre, Córdoba Argentina
Copyrights: Sergio Montúfar