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After the Show, Sun Sketches in H-a & WL on June 9

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10 replies to this topic

#1 Ibmelrod

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Posted 09 June 2012 - 09:02 PM

Hi all,

The crowds have left and the Sun is having a quiet time after all the fuss on the fifth. Not a whole lot to see today but the weather was so good I could not pass on the opportunity. Some nice prominences showing in H-a and a new spot group coming about in the East as others are moving to the Western limb.

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#2 Ibmelrod

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Posted 09 June 2012 - 09:04 PM

And in white light:

Regards,

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#3 frank5817

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Posted 09 June 2012 - 09:11 PM

Mel,

Always a real pleasure to see your solar sketches here.

Frank :)

#4 rolandlinda3

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Posted 10 June 2012 - 09:36 PM

Yes, and well done.

#5 slyke

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Posted 11 June 2012 - 12:10 PM

Mel,
Great sketches. What do the numbers on the sun spots mean?
-Stephen

#6 Ibmelrod

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Posted 11 June 2012 - 11:08 PM

Thank you Frank and Roland. Your comments are always appreciated. And thanks also Stephen. The numbers by the spots are a shortened form of the spot group number begun in 1972 and represents AR (for active region) 11494 for instance. For convenience it is just called group 1494.

Regards,

#7 Rutilus

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Posted 12 June 2012 - 03:24 PM

Good set of Solar sketches.

#8 JeanB

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Posted 13 June 2012 - 02:33 PM

Mel,

Fantastic work! I am thinking more and more to acquire a h-alpha telescope. Did not make up my mind yet on what instrument...

Jean

#9 Ibmelrod

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Posted 13 June 2012 - 09:55 PM

Thank you Rutilus and Jean.

@Jean, I would bet you will enjoy an H-a scope. I certainly have and not regretted it for an instant.

Regards,

#10 niteskystargazer

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Posted 14 June 2012 - 09:32 AM

Mel,

Very nice sketches of the Sun :cool:.

CS,KLU,

:thanx:,

Tom

#11 Ibmelrod

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Posted 15 June 2012 - 10:01 PM

Thank you Tom.


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