12等新星在 lmc 南半球才可以吧
http://www.itelescope.net/sky-alerts/2016/5/11/alert-possible-nova-120-mag-in-the-large-magellanic-cloud-lm.html"MASTER: very bright OT in Large Magellanic Cloud direction
MASTER OT J051032.58-692130.4 discovery - 12m OT in LMC"
ATel #9039:
http://www.astronomerstelegram.org/?read=9039R.A. 05h10m32.58s Decl. -69°21'30.4" (J2000.0)
http://www.astronomerstelegram.org/?read=9039A possible progenitor (21 mag) is listed in "The Initial Gaia Source List (IGSL)" (Smart, 2013) and the "Magellanic Clouds Photometric Survey: the LMC" (Zaritsky+, 2004):
- IGSL3 (05 10 32.580 -69 21 30.60)
BJ= 21.288, RF= 20.810, G= 20.931 mag
- MCPS (05 10 32.56 -69 21 30.9)
B= 21.490, V= 20.828, I= 20.547 mag