Based on research conducted at NOAO as part of the Research Experiences for Undergraduates program.

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Operated by the Association of Universities for Research in Astronomy, Inc. under cooperative agreement with the National Science Foundation.

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... images

Clayton & De Marco (1997) note that the stellar visual flux may be largely contributed by Wolf-Rayet lines with a stellar visual magnitude $\sim$ 23 in the continuum (Seitter 1987). This appears to be supported by a CCD image taken at WIYN by George Jacoby. The image was taken at a wavelength between emission lines and V605 Aql is not visible. The limiting magnitude of the exposure is $\sim$ 23 but the image unfortunately lacks photometric calibration.

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