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Special Notice #124: Possible nova in Scorpius [Nova Sco 2008, V1309 Sco]

September 3, 2008

A possible nova in Scorpius [Nova Sco 2008, V1309 Sco] was posted to the CBAT Unconfirmed Objects list (D. Green, editor); the object was at magnitude 9.5 (C) on 2008 September 02.4594.  The object has not been classified, but the existence of the new source was confirmed by Guido et al. (vsnet-alert 10490) at an unfiltered magnitude of 9.6, and the object's position is not coincident with any known variable star with that magnitude.  Pending classification, the AAVSO requests observations of this new object.  Both visual observations and instrumental photometry are strongly encouraged.  An AAVSO Alert Notice will be issued if and when the object is classified as a Nova.  A sequence has not been created specifically for this object, but several comparison stars are available within the field.  Fainter comparison stars will be added when available.

This object is located at the following coordinates from Guido et al. (see vsnet-alert 10490):

RA: 17 57 32.93 , Dec: -30 43 10.3 (J2000)

Charts for this object may be plotted using VSP and entering the coordinates above:

This object has been assigned the provisional AAVSO designation "VSX J175732.9-304310" and the AUID "000-BFT-812".  Please submit data with either of those identifiers.

This AAVSO Special Notice was prepared by M. Templeton.


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