Last updated: 4 October 2008

This page is for user comments and information specific to the Meade ETX-90RA (originally known as the "ETX Astro"), the ETX-90EC, and the ETX-90AT. Comments on accessories and feedback items appropriate to other ETX and DS models are posted on other pages. If you have any comments, suggestions, questions or answers to questions posed here, e-mail them to me and I'll post them. Please use an appropriate Subject Line on your message. Thanks.

Subject:	Ioptron "CUBE" upgrade to an ETX90RA
Sent:	Wednesday, October 1, 2008 10:56:10
From:	Chris Fontaine (
Mike, First let me say thanks for the site...I have used many a tip from

I was looking for a way to give my ETX90 a "facelift" and give it GOTO
capability. Don't get me wrong, I love to star-hop, but sometimes I just
don't have the time to hunt, plus I have 2 small children and would like
to give them as much "eyepiece time" as possible.

I toyed with the idea of using a Meade DS mount to do the job....then I
came upon an ad for a pre-owned iOptron SmartStar-E GoTo Alt-Az Mount -
the "Cube".

The mount was as easy as pie, just purchased a dovetail mount, undid the
4 fork mounting bolts on the 90 OTA, bolted the OTA to the dovetail at
the tripod mount below...and BOOM....GOTO.

The sky was a bit cloudy last evening, so I was limited...what I did
notice was a huge improvement in tracking compared to an ETX60 that I

The tripod is solid, provided that you mount the eyepiece tray
correctly...All in all...Excellent.

This morning I did some solar tracking :


What is truly nice - once you pass the warning (like mine above), is
that the mount goes into solar tracking mode (does the same for lunar

My initial impression is a good 9/10 for user interaction, and

I am now on the hunt for a way to connect the mount to my MacBook
running StarryNight Pro 5.8.2....stay tuned.

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