Found images: 2014 July

[starsurfer]

HDW 3
http://www.noao.edu/image_gallery/html/im1181.html
Copyright: T.A. Rector (University of Alaska Anchorage) and H. Schweiker (WIYN and NOAO/AURA/NSF)

[bystander]

ESA/HEIC: A slice of stars (NGC 3501)

Credit: NASA/ESA/Hubble

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[starsurfer]

LMC
http://www.astrostudio.at/1_Deep%20Sky% ... 84_LMC.jpg
Copyright: Gerald Rhemann

[starsurfer]

M60
http://www.astro-koop.de/?attachment_id=885
Copyright: Stefan Heutz, Wolfgang Ries and Michael Breite

Click to view full size image

The spiral galaxy to the right of M60 is NGC 4647.

[bystander]

ESO: Lives and Deaths of Sibling Stars (NGC 3293)

Credit: ESO/G. Beccari

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[Ann]

ESO: Lives and Deaths of Sibling Stars (NGC 3293)

Credit: ESO/G. Beccari

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Lovely picture. Totally weird caption.

http://www.eso.org/public/news/eso1422/ wrote:

Take the bright orange star at the bottom right of the cluster. This huge star, a red giant, would have been born as one of the biggest and most luminous of its litter, but bright stars burn out fast. As the star used up the fuel at its core its internal dynamics changed and it began to swell and cool, becoming the red giant we now observe. Red giants are reaching the end of their life cycle, but this red giant’s sister stars are still in what is known as the pre-main-sequence — the period before the long, stable, middle period in a star’s life. We see these stars in the prime of their life as hot, bright and white against the red and dusty background.

There are no bright white stars in NGC 3293, but several blue ones. To me it seems impossible that the bright blue stars could be pre-main sequence stars. Guide classifies the two brightest blue stars, HD 91969 and HD 91943, as spectral classes B0Ia and B0.5Ib. Even though pre-main sequence stars are sometimes mistakenly classified as giants, I refuse to believe that a supergiant star could be mistaken for a star so young that it still hasn't got its core hydrogen fusion going.

Ann

[starsurfer]

M3
http://afesan.es/Deepspace/slides/Messi ... ci%29.html
Copyright: Antonio Sánchez

[starsurfer]

NGC 6503
http://www.robgendlerastropics.com/NGC6 ... ubaru.html
Copyright: Robert Gendler, Subaru Telescope (NAOJ), Hubble Legacy Archive

[starsurfer]

AFGL 490
http://wise.ssl.berkeley.edu/gallery_AFGL490.html
Copyright: NASA/JPL-Caltech/WISE Team

Click to view full size image

[starsurfer]

Murrell 1
http://members.pcug.org.au/~stevec/murr ... 3_RC14.htm
Copyright: Steve Crouch

[bystander]

Galaxy Gets a Cosmic Hair Ruffling
(2MASX J06094582-2140234)

Credit: ESA/Hubble, NASA

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[starsurfer]

NGC 467, NGC 470 and NGC 474
http://bf-astro.com/ngc470/470.htm
Copyright: Bob Franke

From left to right, NGC 474, NGC 467 and NGC 470.

[starsurfer]

Propeller Nebula (DWB 111)
https://www.flickr.com/photos/neutronman/14125114515/
Copyright: John Davis

[starsurfer]

Red Rectangle Nebula
http://www.caelumobservatory.com/galler ... ngle.shtml
Copyright: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Click to view full size image