Solar image from the 18th October 2020 belated.

[Nigella Bryant]

Hi all, just got around to processing some solar images taken in the 18th October 2020. While I was observing on the screen of the laptop during the imaging I did see a change around the spot as in the image and wasn't sure but convinced there was a small flare. Two images taken 25mins apart below suggest this. Hope I'm right, never witnessed a flare directly before if it was. 

 

 

 

 

Edited October 27, 2020 by Nigella Bryant

[GreatAttractor]

Good catch!

 

You can check for flares in the solar event lists published by NOAA here: ftp://ftp.swpc.noaa.gov/pub/indices/events/

The README file explains the notation used. For instance, on 10/18 there were several B-class flares:

:Product: 20201018events.txt
:Created: 2020 Oct 21 0357 UT
:Date: 2020 10 18
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
# Please send comments and suggestions to SWPC.Webmaster@noaa.gov 
#
# Missing data: ////
# Updated every 5 minutes.
#                            Edited Events for 2020 Oct 18
#
#Event    Begin    Max       End  Obs  Q  Type  Loc/Frq   Particulars       Reg#
#-------------------------------------------------------------------------------

7010 +     0204   ////      0204  LEA  U   RSP  025-030   III/1                 

7020 +     0243   0244      0244  LEA  G   RBR  245       100                   

7030       0248   0252      0256  G16  5   XRA  1-8A      B1.8    5.9E-05   2776
7030 +     0250   ////      0251  PAL  C   RSP  120-180   III/1             2776
7030       0251   0251      0251  LEA  G   RBR  245       110               2776
7030       0254   0254      0300  LEA  3   FLA  S15E22    SF                2776

7050       0314   ////      0354  PAL  C   RSP  025-038   III/1                 

7060       0551   0558      0604  G16  5   XRA  1-8A      B1.0    6.4E-05       

7070 +     0852   ////      0857  SVI  C   RSP  065-080   III/1                 

7080       1313   1321      1326  G16  5   XRA  1-8A      B1.0    6.8E-05       

7090       1420   1429      1437  G16  5   XRA  1-8A      B4.0    2.6E-04   2776
7090 +     1424   1427      1443  HOL  3   FLA  S14E16    SF                2776

7100 +     1612   1642      1654  HOL  3   FLA  S22W71    SF                2777
7100       1626   1636      1643  G16  5   XRA  1-8A      B1.7    1.1E-04   2777
7100       1633   ////      1634  SAG  C   RSP  049-180   III/1             2777

7110       1658   1700      1737  HOL  3   FLA  S22W72    SF                2777

7120       1738   1745      1833  HOL  3   FLA  S22W72    SF                2777

7130       1834   1853      1900  HOL  3   FLA  S22W75    SF                2777
7130       1836   1842      1851  G16  5   XRA  1-8A      B1.2    1.0E-04   2777

7140       2004   2004      2010  HOL  3   FLA  S23W76    SF                2777

We're interested in XRA (X-ray event) and FLA (flare visible optically in Hα; I guess a FLA will usually have a corresponding XRA). Check your recording time to find out which was yours.

Edited October 31, 2020 by GreatAttractor

[Viktiste]

On 27/10/2020 at 16:58, Nigella Bryant said:

Hi all, just got around to processing some solar images taken in the 18th October 2020. While I was observing on the screen of the laptop during the imaging I did see a change around the spot as in the image and wasn't sure but convinced there was a small flare. Two images taken 25mins apart below suggest this. Hope I'm right, never witnessed a flare directly before if it was. 

 

 

 

 

Might I ask what kind of equipment you use to get images like these? All I manage to get is a featureless round disc.  

[Nigella Bryant]

2 hours ago, Viktiste said:

Might I ask what kind of equipment you use to get images like these? All I manage to get is a featureless round disc.  

Hi. I use a Lunt 60mm double stack and Zwo ASI 178mm camera USB.

[Viktiste]

On what kind of telescope?

[Nigella Bryant]

19 minutes ago, Viktiste said:

On what kind of telescope?

Hydrogen Alpha pressure tuned Lunt 60mm with a double stack filter.

Edited November 3, 2020 by Nigella Bryant
More comment

[Viktiste]

Oh shoot. Another  £4,589.00 ++ 

There had to be a catch  😜

Beautiful images though.

[Nigella Bryant]

2 hours ago, Viktiste said:

Oh shoot. Another  £4,589.00 ++ 

There had to be a catch  😜

Beautiful images though.

I'm afraid so, but mine was second hand, £1950. A lot less. They come up from time to time.