San Francisco, 2011-07-09

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Catching up on astrophotos 2022-08-31
The days are clear, but the mist rolls in about midnight, so it’s been difficult to take any pictures. Here are a few from the last month or so… NGC7538 is sometimes called “The Brain” or “The Northern Lagoon”. It’s the bright knot at the top center. M52 is the open cluster bottom left of […]
The Witch’s Broom 2022-07-23
This image is from 18 5-minute exposures. With luck, I’ll get some more tonight and sharpen it up a bit. Edit: As promised, here’s the same image with additional exposures: The single exposures aren’t bad on their own. However, the noise in the image is terrible: (The electronics in the image sensor caused the odd […]
Comet K2 2022-07-15
M10 is left of center; K2 is a little lower and on the right side. This picture was taken 14 Jul 2022, just about the comet’s nearest approach to Earth. I took the picture under desperate circumstances; high fog was crashing my party, and I only had about a half hour to collect these photons. […]
The Bubble (NGC7635) 2022-07-15
NGC7635, the “Bubble Nebula”, is towards the lower left, and M2 is the open cluster along the upper right side. The Hubble has, as usual, produced a lovely rendition of the Bubble — I guess we could call it the “Hubble Bubble“. On a different note, the New Space Telescope has dropped its first images, […]