Re: Takes hours for me to polar align with PemPro...Suggestions for my AP600e?
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Joe Zeglinski
Totally agree with you Ray.
I like to do as you suggest, stick to rotation reference
rather than east/west positional.
Perhaps a good analogy is thinking how to steer an outboard motor boat.
Pushing away from the centre line, rotates the boat direction.
I never pay much mind to the east/west reference, but
rely on considering what rotation results by pushing the left or right screw off
the “centre line (post).
However, that only works for the old AP-900 &
AP-1200 mounts, with the azimuth adjuster at the back of the mount, on the north
side. The MACH series and newer mounts have the AZ adjuster now on the south
side, which work oppositely. The wording could become complicated in the
instruction. Each mount owner has to imagine how the knob push system works to
get a specific rotation.
However, for now, I’m am convinced that I have my
bearings correct, and indeed, as Tom wrote, the PEMPRO screen queues ... under
some conditions perhaps ... contradict program logic, based on the resulting
drift changes.
Joe
From: Ray
Gralak
Sent: Saturday, September 12, 2020 7:23 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] Takes hours for me to polar align with
PemPro...Suggestions for my AP600e? >
I quickly realized that I should do the opposite, > > Yes. When it says to point the mount further west, > it really means further east, and vice versa. Unfortunately, East/West can be ambiguous. The scope is pointing roughly South, so rotating the telescope's pointing position West actually rotates the polar azimuth position East. To try to minimize confusion, PEMPro also states which way to rotate the mount: clockwise, or counterclockwise, if looking from the top of the mount down over the mount. -Ray Gralak Author of PEMPro Author of APCC (Astro-Physics Command Center): https://www.astro-physics.com/apcc-pro Author of Astro-Physics V2 ASCOM Driver: https://www.siriusimaging.com/apdriver
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