General / Maintenance / Observing Reports

Astro maintenance — work to be done

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While I was putting the dust cover back on the scope this morning, I accidentally bumped Pumpkin out of focus. Since it’s such a pain to focus through the Ha filter, and […]

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Deep Sky / Long Exposure Photography

Familiar landscape — NGC 6888 and Sadr

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I was running out of ideas of things to shoot; I’m getting pretty worn out from several nights in a row of being up late shooting, and I’m starting to make bad […]

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Long Exposure Photography / Observing Reports

In search of more Cygnus nebulosity — Sh2-115, 116, and 112

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It was cloudy on Saturday night, but Sunday night I decided to try out another run at the Cygnus Milky Way. I have a decently large target list of nebulae that are […]

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Long Exposure Photography

Pumpkin hits FOV limit – IC1396

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I went off in search of more Ha targets in Cygnus tonight. Among “famous” astrophoto targets, IC1396 is one of those huge targets that defy most attempts to capture them in one […]

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Long Exposure Photography

Going off-script: More Ha in Cygnus

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I am attempting to work my way around Cygnus, and intended to shoot the region near Sadr (IC1318). This region is large enough that even Pumpkin can only capture a piece of […]

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Long Exposure Photography

Cutting swathes through the summer Milky Way

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The shutter was open for about 4 hours total last night. These have had darks and bias subtracted but no flats (my flat box is dead). This is all through the Ha […]

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Maintenance / Observing Reports

The Gizmo — I love it when a plan comes together

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I deployed the new Gizmo in anger for the first time last night, pot controlling the exposure length, hooked up to the Gemini ST-4 port, hooked up to the Canon, LCD and […]

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ATM / Electronics / General

Once more into the breach – new Gizmo on the way

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When I started doing DSLR astrophotography, I quickly found that the on-camera limitation of 30sec exposures was frustrating. So, bulb exposures are necessary. At the time, nothing existed to easily interface my […]

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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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