This event has one good thing going for it - it's long, at 1.2s. That allows deep enough integration to get a solid positive, if skies are clear. As I write this, weather looks iffy, and if it's too iffy I'll not make the travel to get into the path, in favor of later events where the clear sky odds are better.
I've set a site at Twin Gates, upper UCSC. But probably better if there's no fog, is Mountain Elementary School a half mile south of Castelegno's. That should give me enough time to quickly pack up and drive to "The Farm" park, or if time, to Cabrillo Observatory for the next event at 7:51pm. A tough 13.5 star 0.5s duration 1997AU12
Alt=58, Az=86 rising in the east in Gemini, just above right of Castor.
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I set up at BlueBall Park in Soquel, at the top of the parking lots on the SW side of the park, north middle side of the parking lot itself, telescope on walkway. It's actually quite a nice place for doing asteroid events. Wide sky, no street lights. I had to use 16x to see the target well enough. I did not see any event, likely a miss, but will have to review to be sure. I'd wanted to be at Mountain School, but traffic snarls slowed me down and I did not have time to drive up Old SJ Rd to the school.
The result was not unexpected; a miss. I was just south of the predicted limit. Kirk and Karl both had positives, so my miss will be useful.
Recording start: 2:56:09, End=2:59:17
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Observed and recorded from "the Berm". I got an obvious 1.2 sec event for 2000 HP41 on 2/20, 16x at the Berm.
magDrop report: percentDrop: 93.9 magDrop: 3.036 +/- 1.320 (0.95 ci)
DNR: 4.83
D time: [02:57:34.9188]
D: 0.6800 containment intervals: {+/- 0.0397} seconds
D: 0.9500 containment intervals: {+/- 0.0969} seconds
D: 0.9973 containment intervals: {+/- 0.1872} seconds
R time: [02:57:36.1630]
R: 0.6800 containment intervals: {+/- 0.0397} seconds
R: 0.9500 containment intervals: {+/- 0.0969} seconds
R: 0.9973 containment intervals: {+/- 0.1872} seconds
Duration (R - D): 1.2442 seconds
Duration: 0.6800 containment intervals: {+/- 0.0578} seconds
Duration: 0.9500 containment intervals: {+/- 0.1282} seconds
Duration: 0.9973 containment intervals: {+/- 0.2257} seconds
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Feb 20 6:57pm 2000 HP41: Clear (some clouds before dark) moderate seeing, 76% hum, 45degF, Very brief if at all (supposed to be 1.2 sec max.) quite a bit of scintillation for a few seconds each side of event time, 8X integration setting, and near "the rock".
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