Solar System Photography

Moon at 8 days (1st quarter +1)

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Moon at 8 days (1st quarter +1). Interesting to compare yesterday’s shot to today and to see how much the moon changes from night to night. 2 down, 27 to go.

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Solar System Photography

Moon at 7 days (1st quarter)

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Moon at 7 days (1st quarter). I don’t take enough photos of the moon. It’s particularly easy with the DSLR. I have it in the back of my mind that I’m going […]

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Deep Sky / Gear / Long Exposure Photography

M94, Spiral Galaxy in Canes Venatici

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Trying to round out the largest Messier galaxies. M94 has a surprisingly large footprint for a galaxy that doesn’t otherwise get much press. Very bright core, *very* dim outer arms. Despite 2 […]

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Deep Sky / Gear / Long Exposure Photography

M16, The Eagle Nebula in Serpens

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I was able to get an hour of M16 tonight, and it was earlier in the night, so the dew/temperature (causing focus shift) wasn’t as bad. It’s still quite a strange object […]

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Astro knowledge / Deep Sky / Gear / Long Exposure Photography

M27, The Dumbbell Nebula in Vulpecula

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Another attempt. I’m getting the idea that longer integration times lead to better detail and noise reduction…

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Deep Sky / Gear / Long Exposure Photography

M16, The Eagle Nebula in Serpens

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Up way too late in early June, decided to try out some of the summer nebulae. Only picked up 11 frames before loss of guidestar behind the roof of the observatory. Not […]

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Astro knowledge / Deep Sky / Gear / Long Exposure Photography

NGC 4725, Spiral Galaxy in Coma Berenices

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Trying to round out the set of the largest galaxies visible from this latitude. This is another galaxy that I would not have known about if not for “The List” (see M106 […]

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Deep Sky / Gear / Long Exposure Photography

M106, Spiral Galaxy in Ursa Major

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Chasing all of the Spring Galaxies before they get away for another year. Who knew M106 had so many friends? IDs of the dimmer galaxies TBD. 90 minutes of exposure time brings […]

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Deep Sky / Gear / Long Exposure Photography

M64, The Black Eye Galaxy in Canes Venatici

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The galaxies around Ursa Major have been providing me with lots of opportunities to work on shooting stuff near the limit of the image scale I can really produce with Veronica and […]

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Deep Sky / Gear / Long Exposure Photography

M101, The Pinwheel Galaxy in Ursa Major

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I attempted another 1-hour integration of M101. I think this really needs more integration time. I might be able to combine the hour from February and the hour from May into one […]

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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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