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Betelgeuse - the Red Giant

astrophotography dslr imaging
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#1 rlsarma

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Posted 16 January 2018 - 11:01 PM

Betelgeuse, aka Alpha Orionis. Located in the Constellation Orion, Betelgeuse is a Red Giant which is a dying star. I took this shot on 01/14/18 from Digboi, Assam, India. This is a short duration image with only 10 light frames @ 50 seconds exposure, 8 dark frames and 9 bias frames.

 

Imaging Camera: Canon EOS 60D (unmoded)

Imaging Scope : C9.25 SCT on AVX mount

 

Capture software : BackyardEOS

Procesing software : PixInsight

 

Thanks for looking.

 

Rajib

Digboi

Attached Thumbnails

  • Betelgeuse.jpg

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#2 cosmo823

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Posted 16 January 2018 - 11:25 PM

That's  really beautiful pic. Nice work.


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#3 Waldemar

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Posted 17 January 2018 - 12:24 AM

Thank you for sharing, Rajib.

A very nice and unusual shot!


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#4 happylimpet

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Posted 17 January 2018 - 03:27 AM

Classic! A really nice image, great to see the colour of Betelgeuse shining through. Wonderful.


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#5 SandyHouTex

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Posted 17 January 2018 - 10:07 AM

I wonder how long Betelgeuse will last.  It’s going to be a heck of an explosion when it goes.  I’d still like to be around for it.


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#6 Fernando134

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Posted 17 January 2018 - 11:55 AM

Beautiful picture. Thanks!!!


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#7 nyairman

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Posted 17 January 2018 - 12:55 PM

It looks like it's ready to go Super Nova! Nice photograph!
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#8 sickfish

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Posted 17 January 2018 - 01:02 PM

I wonder how long Betelgeuse will last.  It’s going to be a heck of an explosion when it goes.  I’d still like to be around for it.

Could have already exploded 


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#9 Delta608

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Posted 17 January 2018 - 01:09 PM

Betelgeuse, aka Alpha Orionis. Located in the Constellation Orion, Betelgeuse is a Red Giant which is a dying star. I took this shot on 01/14/18 from Digboi, Assam, India. This is a short duration image with only 10 light frames @ 50 seconds exposure, 8 dark frames and 9 bias frames.

 

Imaging Camera: Canon EOS 60D (unmoded)

Imaging Scope : C9.25 SCT on AVX mount

 

Capture software : BackyardEOS

Procesing software : PixInsight

 

Thanks for looking.

 

Rajib

Digboi

Thank you for including how it was done and not just the equipment used....Helps us (me!) newbies  immensely....


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#10 nicoyenny

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Posted 17 January 2018 - 01:11 PM

I like the little double star at the bottom right :)

Beautiful !!!!


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#11 rlsarma

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Posted 17 January 2018 - 09:39 PM

I like the little double star at the bottom right smile.gif

Beautiful !!!!

Look like another Betelgeuse-Rigel pair at a far far far distance, don't they?

 

Rajib


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#12 Dwight J

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Posted 17 January 2018 - 11:16 PM

Might be the last portrait before KABOOM.  Nice work and intriguing choice. 


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#13 xiga

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Posted 18 January 2018 - 02:28 PM

That's gorgeous. Amazing how big it looks in this!
I'm guessing this is heavily cropped? Would you mind showing what one of the raw subs looked like?
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#14 flt158

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Posted 18 January 2018 - 02:39 PM

I like the little double star at the bottom right smile.gif

Beautiful !!!!

That double star is Struve 817. 

Magnitudes: 8.7 and 8.9. 

Separation: 18.8 arc seconds (")

Position angle (PA): 73 degrees. 

Beautiful Betelgeuse image! 

I do hope you are all pronouncing Betelgeuse properly!! lol.gif

 

Clear skies, 

Aubrey. 


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#15 nicoyenny

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Posted 18 January 2018 - 03:02 PM

Isn’t it “beah-tehl-yeus”? :lol:
It is hard typing on a smartphone :mad:

Edited by nicoyenny, 18 January 2018 - 03:03 PM.

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#16 rlsarma

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Posted 19 January 2018 - 03:30 AM

That's gorgeous. Amazing how big it looks in this!
I'm guessing this is heavily cropped? Would you mind showing what one of the raw subs looked like?

I'll sure do. But can you please guide me how to upload the big .CR2 file in CN ? Or else may I post it in your mailbox?



#17 xiga

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Posted 19 January 2018 - 03:49 AM


That's gorgeous. Amazing how big it looks in this!
I'm guessing this is heavily cropped? Would you mind showing what one of the raw subs looked like?

I'll sure do. But can you please guide me how to upload the big .CR2 file in CN ? Or else may I post it in your mailbox?

No need to post the actual raw sub. It's just the scale I'm interested in, so a heavily compressed jpeg or even a screen hrs would do.

#18 rlsarma

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Posted 19 January 2018 - 08:59 AM

 

 

That's gorgeous. Amazing how big it looks in this!
I'm guessing this is heavily cropped? Would you mind showing what one of the raw subs looked like?

I'll sure do. But can you please guide me how to upload the big .CR2 file in CN ? Or else may I post it in your mailbox?

No need to post the actual raw sub. It's just the scale I'm interested in, so a heavily compressed jpeg or even a screen hrs would do.

 

Here it is. I did not touch the raw photograph (one of the subs) except for resizing down.

Attached Thumbnails

  • BETEL_LIGHT_50s_1600iso_+20c_20180114-19h12m23s538ms-1.jpg

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#19 flt158

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Posted 19 January 2018 - 11:14 AM

Isn’t it “beah-tehl-yeus”? lol.gif
It is hard typing on a smartphone mad.gif

No! lol.gif lol.gif lol.gif

It is pronounced Bet -as in betting on horses. (Not that I do) 

Tehl That is correct. 

Geuse as in Juzz. 

Now you know, Nico Yenny. smile.gif smile.gif

 

Let us see if anyone else agrees ?!

 

Aubrey. 


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#20 xiga

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Posted 20 January 2018 - 07:55 PM

 

 

 

That's gorgeous. Amazing how big it looks in this!
I'm guessing this is heavily cropped? Would you mind showing what one of the raw subs looked like?

I'll sure do. But can you please guide me how to upload the big .CR2 file in CN ? Or else may I post it in your mailbox?

No need to post the actual raw sub. It's just the scale I'm interested in, so a heavily compressed jpeg or even a screen hrs would do.

 

Here it is. I did not touch the raw photograph (one of the subs) except for resizing down.

 

Cheers mate. Still amazes me how big it looks in a raw sub! It almost looks as though it would rival Jupiter for size. 


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#21 Mark326

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Posted 20 January 2018 - 09:03 PM

 

Isn’t it “beah-tehl-yeus”? lol.gif
It is hard typing on a smartphone mad.gif

No! lol.gif lol.gif lol.gif

It is pronounced Bet -as in betting on horses. (Not that I do) 

Tehl That is correct. 

Geuse as in Juzz. 

Now you know, Nico Yenny. smile.gif smile.gif

 

Let us see if anyone else agrees ?!

 

Aubrey. 

 

Around my barnyard observatory, it's pronounced Beetlejuice, just don't say it three times.

 

beautiful image, thanks for sharing.


Edited by Mark326, 20 January 2018 - 09:53 PM.

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#22 AKHalea

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Posted 20 January 2018 - 09:14 PM

Very nice image, Rajib. Thanks for sharing. 

 

This star IS HUGE. I found a nice comparative chart of various planets and stars including our sun and some of the red giants like Antares and Betelgeuse. As you can see, it IS HUGE :

 

9-23 ExPix Largest Star sizes - Comparison of planets and stars.jpg

 

When I put this star as the object I want to see in Stellarium, it occupies about 25% of the diameter of the full moon. That is how big it appears to us here on earth, even though it is a star wink.gif  ..... Anil


Edited by AKHalea, 20 January 2018 - 11:30 PM.

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#23 Bjorg63

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Posted 20 January 2018 - 09:35 PM

Beautiful, amazing color. Even the raw sub image is amazing. Thanks for sharing. 


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#24 flt158

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Posted 21 January 2018 - 01:29 PM

 

 

Isn’t it “beah-tehl-yeus”? lol.gif
It is hard typing on a smartphone mad.gif

No! lol.gif lol.gif lol.gif

It is pronounced Bet -as in betting on horses. (Not that I do) 

Tehl That is correct. 

Geuse as in Juzz. 

Now you know, Nico Yenny. smile.gif smile.gif

 

Let us see if anyone else agrees ?!

 

Aubrey. 

 

Around my barnyard observatory, it's pronounced Beetlejuice, just don't say it three times.

 

beautiful image, thanks for sharing.

 

Beetlejuice is a movie starring Michael Keaton. 

Betelgeuse is a red supergiant star. 

I'm outta here!

 

Aubrey. 




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