Expanding Flash From Supergiant Star V838 Monocerotis (V838 Mon)
V838 Monocerotis, V838 Mon
The star is ~20,000 light-years (~6 kiloparsecs) away.
2002 images (left) These data are from the HST archived proposals 9587, 9588, and 9694. The science team is composed of H.E. Bond (STScI), A. Henden (USNO), Z. Levay (STScI), N. Panagia (STScI), W. Sparks (STScI), S. Starrfield (Arizona State Univ.), R.M. Wagner (LBTO), R.L.M. Corradi (ING), U. Munari (INAF).
2004 image (right) These data are from the HST program 10089: K. Noll, H. Bond, C. Christian, L. Frattare, F. Hamilton, Z. Levay, M. Mutchler, and T. Royle (STScI).
F435W (B), F606W (V), F814W (I)
Blue" F435W (B)
Green: F606W (V)
Red: F814W (I)