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27 October 2022 at 9:27 pm
#613320
![](https://britastro.org/wp-content/uploads/2022/03/alex-pratt_avatar_1-80x80.jpg)
Participant
Limb profiles often require some mental gymnastics. Transposing the plot L-R, so that the PA (Watts Angle) increases from L-R, gives the attached image. Does it match James’ Silhouette?
It’s tricky to identify the required PA when we need to work from the N point of lunar images presented at various orientations, such as from my alt-az mounted Mak.
Alex.