ATM

Trixie "first light" photos

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I decided to use some non-point-source light for my first light. Helps when I had to chop the “tubes” twice to get the camera to focus. Running a saw in the dark […]

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ATM / Gear

Telescope "first light" photos

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I put in some temporary “tubes” so I could check the focal length of the telescope. The varnished pieces look really cool. I was not really prepared for how big the scope […]

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ATM

Trixie Construction photos

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To check the focal length, I set the scope up on a pair of sawhorses, and pointed it at a radio tower several miles away atop one of the local hills. These […]

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ATM

Trixie Construction photos

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The tubes are going to be aluminum, but because of my design, they have to be cut to exactly the correct length. So I decided to use some spare 2×2s I had […]

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General / Observing Reports

Harvest moon from WA

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The moon in WA was pretty dang low – probably 20 or so deg. The Moon is in Sagittarius, at its lowest point on the Ecliptic. 20deg is a good guess — […]

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Astro knowledge / General / Observing Reports

Chinese zodiac

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Chinese Year of the Rat this year (my “sign”, you guess which multiple of 12 I am). I’ve decided that the “rat” constellation must be Aries, since the “Ox” is clearly Taurus. […]

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General / Observing Reports

insomniac quick look

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Nice moon and Jupiter pairing last night at 3am in Freeport, Bahamas.

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ATM

Trixie as a planetary scope

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I really want to shoot some planetary shots with that big mirror. ‘m embarrassed to say that the palm tree has conspired to keep me from shooting any Jupiter yet this year. […]

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ATM

ATM: varnish – lessons learned

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I am looking forward to getting some photons on this thing. Might be able to get the scope constructed between the 2 trips.

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Techniques

Polar Alignment Calculations

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Here’s a page that derives Polar Alignment Calculations. (update 5/2020: the original site is gone, so I found the text on Wayback and am inserting it below. This is by the original […]

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Gear / Observatory / Telescope

Special Guest Star takes the mount at Hilltop O

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The Astro Jedi needed somewhere to store his light sab—- I mean, bucket, and I was only too happy to accommodate him. I have decided that I need to come to a […]

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General / Maintenance / Observatory

Dome shutter is motorized again!

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I finally decided to bite the bullet and fix the shutter motor. Things went sideways last winter, and I’ve been opening the shutter manually (and tying it shut with rope, so we […]

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ATM

Trixie 2017 – tube mods

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I finally got around to cutting the MTA-UTA tubes to length; the only eyepiece that would come to focus with the focuser spacer in place is the Televue 55mm Plossl. If I […]

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