Mon, 07/29/2019 - 21:45
It is the Constellation of Andromeda the Galaxy barely noticeable in the central area is NGC 7640, the star position in question is: AR: 23h 21´ 58.283 "- Dec: +40º 57´ 53"
Date: 20190729-01h14m56s778ms. North up.
GSO-RC 6" f/9-Camera Canon 1100D+CLS-CCD modded for full spectrum 1 expo.300seg.
I was refocusing the field since the focusing temperature compensation system had made me a failed adjustment and between 300 seconds of taking and taking this possible phenomenon StarFlare.
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FLARE-01-WEB.jpg785.74 KB
Tonight, despite a sky not so clear, I tried some pictures...
JBD
This star is GSC 03234-00823:
Vmag. 13.49, Bmag. 14.22 (APASS); coordinates RA 23hm21 58.213s, DE +40°57'52.06" (epoch and equinox J2000.0), parallax 1.9186 ± 0.0178 mas, distance 513.5 ± 4.8 pc (Gaia DR2).
CRTS light curve (CSS_J232158.2+405752):
http://nunuku.caltech.edu/cgi-bin/getcssconedb_release_img.cgi?RA=350.4…
Complete ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) light curve:
https://asas-sn.osu.edu/light_curves/45fa680d-e71f-4e05-8d40-08f2f246c1…
Regards,
Patrick
Thank Patrick, It is really impressive ... can we have more information?
I can not find it on vsx.
What type of variable?
I notice that its frequency varies a lot ...
Best regards,
JBD