Deviations from He I Case B Recombination Theory and Extinction Corrections in the Orion Nebula, Blagrave, K. P. M.,Martin, P. G.,Rubin, R. H., The Astrophysical Journal, 655, 2007-01-01 00:00:00, 2007ApJ...655..299B
Instrument
WFPC2, WFPC2/WFC
Temporal Coverage
1998-11-23T01:27:14Z/1998-12-02T13:30:34Z
Version
1.0
Mission Description
Launched in 1990, the NASA/ESA Hubble Space Telescope remains the premier UV and visible light telescope in orbit. With well over 1.6 million observations from 10 different scientific instruments, the ESA Hubble Science Archive is a treasure trove of astronomical data to be exploited.
European Space Agency, 1999, The Enigma Lens Q2345+007: Early Assembly Of Dark Matter?, 1.0, European Space Agency, https://doi.org/10.5270/esa-5nf8zp8