Starship Asterisk*

NGC5128 The Centaurus A Galaxy
http://www.flickr.com/photos/astro_gvanhau/
Copyright: Geert Vanhauwaert Here a higher res image: http://www.flickr.com/photos/astro_gvan ... otostream/

SH2-155 - The Cave Nebula
Copyright: Luca Moretti
http://www.flickr.com/photos/29516307@N06/
Click to view full size image

Ajay Talwar posted this image: http://asterisk.apod.com/download/file. ... &mode=view

Very interesting! The picture is called "Trails of Canopus and Achernar". I have to wonder which of the trails belongs to Canopus and which belongs to Achernar. It is in fact not totally inconceivable that the blue trail just might belong to Canopus, which, in spite of being an F-type star, is bluer than one might think. It is bluer than A-type star Altair, for example.

Achernar, a B-type star, is not as blue as you'd expect for a star of that spectral class, even though it is clearly bluer than Canopus.

But Canopus ought to look very bright, and Achernar should not be quite as bright. To me, the blue trail looks possibly brighter than any other trail in this picture. So again, which trail belongs to which star?

Ann

http://www.nightoverontario.com/Astrono ... &lb=1&s=X2

Arikok National Park takes up almost 20 % of the island of Aruba.
Canon 6d modified, 50mm f1.4 at f2, 6x 1minute, ISO 800. Copyright Lynn Hilborn

M42 - The Orion Nebula in HaRGB
http://cntastro.smugmug.com
Copyright Craig & Tammy Temple

NGC 1999 - Keyhole Nebula in Orion

A larger image can be seen here: http://www.astrobin.com/full/79133/0/

Sh2-254, Sh2-255, Sh2-256, Sh2-257, Sh2-258 in Orion
Copyright: Velimir Popov, Emil Ivanov @ Irida Observatory More info and hi-res images on website
Wider field:

Sun dog over the Andes Mountain Range at 3.150 m.a.s.l.
http://leandroperez.com.ar/
Copyright: Leandro Pérez

NuSTAR Shows Off

http://www.nustar.caltech.edu/news/129/ ... ews-detail

Sirius Diffusion Over The Gore Range
http://www.coloradocaptures.com
Copyright: Mike Berenson - Photographer / Instructor I had an idea for a shot with constellations Orion and Canis Major (with Sirius, the brightest star in the night sky) setting over the rugged peaks of the Gore Range. So with a thin moon rising in the east, I had lot of cold weather gear and what I hoped was a pretty good plan to make it happen up on Ute Pass.

Everything went according to my plan with clear dark skies and the constellations lining up horizontally above the peaks right as gentle light from a rising moon started to illuminate the scene. But then, some thin clouds showed up to diffuse the light from the brighter stars and reflect the light pollution visible from the Summit County ski towns a little ways to the south. This changed the look of the scene entirely and for me, it made the scene turn into something really special!

M45 - Pleiades (Seven Sisters)
Full-size/details: http://jeffjastro.com/dso/M45_6Dec13.htm
Copyright: Jeff Johnson (http://jeffjastro.com)
*** Thank you for looking ***

iridiscence and sunspots http://asterisk.apod.com/viewtopic.php? ... 16#p220916

M42 - Orion Nebula in HaRGB
https://www.flickr.com/photos/41657827@ ... /lightbox/
Copyright: Jeffrey Sines
http://i.imgur.com/g3kllgN.jpg
[attachment=0]orion.jpg[/attachment]

A colored Moon 2[/size]

http://www.dariogiannobile.com
http://www.dariogiannobile.com/moon-sun ... e#ha2ff8ee
http://www.dariogiannobile.com/blog
Copyright: Dario Giannobile

Halo over Normandy
Copyright: Mohamed Laaifat
[attachment=4]DSC_1502_stitch.jpg[/attachment]

Moonrise
Copyright: Mohamed Laaifat
[attachment=3]1.jpg[/attachment]

3C321 System in Ink
Copyright: Lefteris Velissaratos
[attachment=2]3C321.jpg[/attachment]

NGC2237: The Rosette Nebula
http://www.SierraSkiesObservatory.com/N ... 3-pg1.html
Copyright: Steve Fry, Sierra Skies Observatory
[attachment=1]NGC2237-FSQ-SHO_Fry.jpg[/attachment]

Moontrail in Fuencaliente
http://www.miguelclaro.com/wp/?portfoli ... encaliente
Copyright: Miguel Claro
[attachment=0]Moontrail-LaPalma-0712_0866-net.jpg[/attachment]

47 Tucanae (NGC 104)
http://members.pcug.org.au/~stevec/ngc1 ... 002_RC.htm
Copyright: Steve Crouch

LBN 406: Laughing Skull Nebula
http://bf-astro.com/lbn406/lbn406.htm
Copyright: Bob Franke Jupiter and ISS
http://www.astro-sgb.ca
Copyright: Benoit Bélanger
[attachment=2]iss + jupiter.jpg[/attachment]

Messier 7: Diamonds in the Tail of the Scorpion
http://www.eso.org/public/news/eso1406/
Copyright: ESO Sun Plane
Copyright: Patrick Poitevin
[attachment=1]PatrickPoitevin14-02-16Lunt35DMK41-11-29-43.jpg[/attachment]

SN 2014j at peak
Copyright: Kent Wood
[attachment=0]M82, 2014J SN, Peak lum on 1,31,14.jpg[/attachment]

Messier 20: Trifid Nebula
http://www.flickr.com/photos/110872523@ ... 3/sizes/c/
Copyright: Data: Subaru, Robert Gendler; processing: Roberto Colombari

2 photos of the occultation of Saturn from Feb 22nd. There are 9 more occultations of Saturn this year (depending on your location)

5:53am (Perth, Australia. +8gmt)

Occultation of Saturn by the Moon by Momentary-Lapse, on Flickr

5:40am (Perth, Australia. +8gmt)

Occultation of Saturn by the Moon by Momentary-Lapse, on Flickr

hola a todos
os dejo algo del sol de hoy, y hoy tenia un gran bucle
como siempre los medios son
telescopio: PST
cámara: DMK31AU03.AS
y la lente de barlow que tiene el ocular de 13 mm. del HYPERION
son 400 frames por toma
procesado con registax 3
saludos

NGC 1499 (California Nebula) narrowband
Copyright: Luca Moretti
http://www.flickr.com/photos/29516307@N06/
Full size here

A la sombra del Arco Iris
In the Shadow of the Rainbow

A la sombra del Arco Iris por calle L, 8, en Flickr

Mientras fotografiaba la puesta, un Arco Iris apareció a mi espalda. Giré la cámara y lo cacé. Fui casi tan rápido como mi sombra.
While photographing the sunset a rainbow appeared behind me. I turned the camera and hunted. I was almost as fast as my shadow.

©Juan A. Bafalliu, Spain, 2014

Bedouins
Copyright: Brad Goldpaint
http://goldpaintphotography.com/ Don’t let the appearance of soft beige whiskers of the Teddy Bear Cholla fool you. These bristles are hardened spines, each tipped with a microscopic barb that can detach and imbed an intruder with the slightest touch. A deep appreciation of the value of wilderness character against a rare backdrop of dark skies is found on a gentle northwestern bajada of Joshua Tree’s Pinto Basin.

sunspotset in the great theater of the west http://asterisk.apod.com/viewtopic.php? ... 75#p220961

the great theater of the west, 7 http://asterisk.apod.com/viewtopic.php? ... 75#p198323

Giant arc flare near AR 11987 - 23/feb/2014 13:12h TU

Today I was alerted of one big arc evolving very fast and bright. With almost no time to prepare all the equipment I was able to take this terrific picture.

PST, DMK618 and EQ mount. Procesing software: Registax 6, PixInsigh Core and Gimp.

Copyleft: Jaime Fernandez After analyzing the source video captured, I noticed the very fast movement of the flare going back to the Sun surface at an incredible high speed.

Video is a 2000 frames @ 60fps, around 2:15' of live video. Captured video was accelerated 10x (600fps) and repeated three times to better observe the movement of the arc flare (right side of the arc) falling into Sun surface (better seen at full screen).



Please, visit my web page at www.astronomica.es for fully detailed image information.

M106
http://www.CoatesAstrophotography.com
Copyright: Steve Coates
M106, with accompanying galaxies NGC 4217, NGC 4248, NGC 4232, NGC 4231 and NGC 4220, is a Spiral galaxy in Canes Venatici ~23.7 million light years from Earth.
Imaged from Ocala, Florida
Combination of 6 min and 10 min exposures stacked in DSS for a total of 6 hours 40 min
1 hours each RGB
3 hours and 40 min Luminance
Photoshop CS5
Orion 80mm EON
Orion 50mm guidescope with SSAG
QSI 683 ws
Losmandy G-11 with Gemini II
Hutech IDAS Light Pollution Suppression (LPS) Filter

Barnard 33, the Horsehead nebula
http://www.CoatesAstrophotography.com
This is a composite of Barnard 33, the Horsehead nebula.
12/17, 12/18 and 12/22, 2011 and 1/2, 1/3 2012, Nov. 29, 2013, Nov. 30, 2013, Dec. 7, 2013, Dec. 12, 2013
Emission, reflection and dark nebula ~1,344 light from Earth lacated in the Orion constellation.
Ocala, FL
Portions of this image has data from the Astro-Tech 8" Ritchey-Chrétien which was used to add more detail to the Horsehead (see http://bit.ly/19HV3hz for details).
RGB data: combination of 2 minute and 4 minute exposure stacked in DSS for a total of 5 hours and 2 min 80mm EON
RGB data: 50 minute Red, Green and Blue (binned 2x2) 8 inch RCT
Ha: 5 hours (binned 1x1) using the 8 inch RCT.
PS CS5
RegiStar
Imaging telescopes: Orion 80mm EON and Astro-Tech 8" Ritchey-Chrétien
Orion 50mm guide scope with SSAG
Imaging cameras: Canon T1i and QSI 683wsg-8
Losmandy G-11 with Gemini II
http://bit.ly/1lfJSGE