An independent distance estimate to the AGB star R Sculptoris

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Table 2

Typical observing sequence for R Scl.

Set	Filter	Coronagraph	Polarisation	Exposures	Product
1	V-pol	yes	yes	6 × 30 s	Polarised intensity from shell
2	V#641	yes	no	6 × 30 s	Total intensity from background stars
3	V#641 + ND3	no	no	3 × 15 s	Total intensity from R Scl

Notes. Exposure times are representative values typically used, but were adjusted based on the prevailing observing conditions. Per observing night two to three sequences were observed.

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