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Phoebe (Saturn IX)


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About this observation
Paul Leyland
Time of observation
20/06/2019 - 04:45
Phoebe (Saturn IX)
Observing location
Tacande Observatory, MPC J22
0.4m Dilworth relay
Unfiltered SBIG-8
2x2 binning (1.42 arcsec / pixel)
18x30s, 11x120s median combined for total of 1860 seconds

Another in the series of images of small satellites in the outer solar system.  Phoebe is marked with a line to its right.  Star A is UCAC4 341-186181 and B is UCAC4 341-186163, with V magnitudes in that catalogue of 14.75 and 14.46 respectively.  The MPC ephemeris for Phoebe gives a position of 19:17:37.8, -21:51:40 and a V magnitude of 16.7.  I've not yet made any attempt to measure these quantities from the image.

Note to Webmaster: This is the second image which has had to be tagged as a specific planet, despite the planet itself not being in the image.  Could we have a "planetary satellite" tag please?

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