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Observing report 30/03/2024


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The title isn't strictly true as the Auriga pairs were observed on the 22nd. 

The Dob had been cooling down since late afternoon. The forecast was mixed but I thought it was worth the effort. 

I had some doubles in Sextans I wanted to view and then move onto some Galaxies in Leo/Virgo. I also got sidetracked by Tegmine, Porrima and M44 😀

 

STF599AB w/b A wide pair with a moderate difference in magnitude. The primary is white, the secondary pale blue. The 3rd Component is faint.Magnification x50 separation 10.5 Prinmary Mag 8.7 Secondary Mag 10.1  co-ords 04 51 44 58

STF658 w/b A close pair of uneven magnitude. The primary is white, the secondary pale blue.  x100   5.8  9.0  10.3   05 17 39 03

STF1404 w/o A neat pair of stars just split at x50. Best view at x75. The primary is white, the secondary is slightly orange. Part of a circlet of stars. x50   6.4  9.1  9.7  10 04 S01 42

STF1412AB o/nc A wide pair of uneven magnitude. The primary is orange. The secondary can be seen with averted vision. Visible at x60 but x150 brought it out well. x60  30.7  8.5  12.1  10 10  03 10

STF1412AC o/o A very wide pair fairly evenly matched. Both stars appear orange.  x50  90  8.5  8.7  10 10  03 10

STF1433 w/b A wide pair with a large diiderence in magnitude. The primary is white, the secondary is a blue grey dot visible at x60. Shares a low power field with orange star 27 Sex (HD90485)  x60  23.7  8.4  11.8  10 26  S04 03


STF1440 w/y A neat pair with a moderate difference in magnitude. The primary is white, the secondary pale yellow. Part of a rectangular asterism with 3 bright stars.  x50  14.8  7.8  9.2  10 30  S03 55


STF1464AB w/b A fairly close pair of uneven magnitude. The primary is white, the secondary is pale blue. The ‘c’ component lies some distance way. x50  5.8  8.3  10.3  10 42  S00 16


STF1464AC w/nc A very wide pair. The ‘C’ component is similar in magnitude to the ‘B’ component.  x50  66.7  8.3  10.5  10 42  S00 
16

 

Cheers 

Ian

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21 hours ago, lunator said:

The title isn't strictly true as the Auriga pairs were observed on the 22nd. 

The Dob had been cooling down since late afternoon. The forecast was mixed but I thought it was worth the effort. 

I had some doubles in Sextans I wanted to view and then move onto some Galaxies in Leo/Virgo. I also got sidetracked by Tegmine, Porrima and M44 😀

 

STF599AB w/b A wide pair with a moderate difference in magnitude. The primary is white, the secondary pale blue. The 3rd Component is faint.Magnification x50 separation 10.5 Prinmary Mag 8.7 Secondary Mag 10.1  co-ords 04 51 44 58

STF658 w/b A close pair of uneven magnitude. The primary is white, the secondary pale blue.  x100   5.8  9.0  10.3   05 17 39 03

STF1404 w/o A neat pair of stars just split at x50. Best view at x75. The primary is white, the secondary is slightly orange. Part of a circlet of stars. x50   6.4  9.1  9.7  10 04 S01 42

STF1412AB o/nc A wide pair of uneven magnitude. The primary is orange. The secondary can be seen with averted vision. Visible at x60 but x150 brought it out well. x60  30.7  8.5  12.1  10 10  03 10

STF1412AC o/o A very wide pair fairly evenly matched. Both stars appear orange.  x50  90  8.5  8.7  10 10  03 10

STF1433 w/b A wide pair with a large diiderence in magnitude. The primary is white, the secondary is a blue grey dot visible at x60. Shares a low power field with orange star 27 Sex (HD90485)  x60  23.7  8.4  11.8  10 26  S04 03


STF1440 w/y A neat pair with a moderate difference in magnitude. The primary is white, the secondary pale yellow. Part of a rectangular asterism with 3 bright stars.  x50  14.8  7.8  9.2  10 30  S03 55


STF1464AB w/b A fairly close pair of uneven magnitude. The primary is white, the secondary is pale blue. The ‘c’ component lies some distance way. x50  5.8  8.3  10.3  10 42  S00 16


STF1464AC w/nc A very wide pair. The ‘C’ component is similar in magnitude to the ‘B’ component.  x50  66.7  8.3  10.5  10 42  S00 
16

 

Cheers 

Ian

Ian can you do me a favour and give me the co ordinates for these please or a different designation catalogue, I have looked in Haas, Cambridge  double star atlas, Webbs double stars and Burnhams and cannot find any thanks.

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Hi Paul

Here are the Sextans co-ordinates 

10043-0142 STF1404

10097+0310 STF1412AB

10097+0310 STF1412AC

10262-0403 STF1433

10298-0355 STF1440

10416-0016 STF1464AB

10416-0016 STF1464AC

Here are the Auriga ones

04511+4458 STF 599AB

04511+4458 STF 599AC

04511+4458 STF 599BC

05167+3903 STF 658AB

Cheers

Ian

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On 01/04/2024 at 12:47, lunator said:

Hi Paul

Here are the Sextans co-ordinates 

10043-0142 STF1404

10097+0310 STF1412AB

10097+0310 STF1412AC

10262-0403 STF1433

10298-0355 STF1440

10416-0016 STF1464AB

10416-0016 STF1464AC

Here are the Auriga ones

04511+4458 STF 599AB

04511+4458 STF 599AC

04511+4458 STF 599BC

05167+3903 STF 658AB

Cheers

Ian

Your a star thank you so much 

Best wishes

Paul

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