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Category Archives: Astronomy
A Short “Great Red Spot” Animation
From the same night (just a little later) as my previous Io transit images, watch the GRS as Jupiter rotates:
Io’s Transit of Jupiter, 11 December 2012
Ganymede and Europa are “in the bag”. Catching Io here means there’s only Callisto left. Of course I didn’t catch the whole transit for the first two so I shall be revisiting that next apparition. And an animation of the … Continue reading
Europa’s Transit of Jupiter, 29 November 2012
Having managed to catch some of Ganymede’s transit the previous day, it was then Europa’s moment of fame, though again I didn’t manage the entire transit: And an animation of the end of the transit:
Ganymede’s Transit of Jupiter, 28 November 2012
On the 28th November I (pretty much accidentally) caught the transit of Jupiter by Ganymede. Here’s one of the better stills from that night: And an animated sequence of first half of the transit:
SPC900 vs. PS2 Eye camera
When I posted images from the Xbox, Lifecam and SPC900 for comparison, someone asked about the PS2 Eye camera (not the Eye Toy). Last night whilst I was imaging Jupiter and Europa I had a go with it. Control is … Continue reading
Registax v6 vs. Autostakkert!2
I’ve had some discussion with a few people about using Autostakkert!2 instead of Registax for stacking planetary images, and potentially using AS!2’s drizzle function as well so I decided to reprocess some of my recent Jupiter images So, here are … Continue reading
SPC900 webcam brightness setting
It has been said that the brightness setting for the SPC900 camera affects only what appears on the screen and not what appears in the capture file. Having read the code for the Linux SPC900 driver I wasn’t at all … Continue reading
SPC900 vs. Xbox Live cam vs. Lifecam Cinema
“What webcam can I use if I can’t get/afford an SPC900?” seems to be a common question now the SPC900 has become difficult to get hold of, but there doesn’t seem to be much empirical evidence on which to base … Continue reading
Hot Shoe Red Dot Finder
Having taken a few wide field images with my DSLR on the EQ3-2 now, I’ve realised what a pain it is getting the target area in the field of view when much of it is too faint to see, let … Continue reading
Perseus wide field
Taken the on the same night as my earlier image of Cassiopeia, here’s Perseus. In the top right corner it’s just possible to see the California Nebula starting to emerge.