Gravity Probe B flare

From: Edward S Light (
Date: Fri Apr 30 2004 - 08:27:03 EDT

Yesterday evening (2004 April 29 EDT), I finally got to see a flare
from Gravity Probe B (04-014A = 28230).

At (2004 April 30) 01:04.9 UTC as it passed near Denebola (beta Leo),
it was already brighter than "normal", i.e. approximately magnitude +2.0.
At 01:05.3, when it was at alt/azim 65 deg/119 deg, it reached a maximum
near magnitude zero (i.e. like Arcturus). By the time it reached beta CVn,
it was back to its more usual 3-1/2 or 4th magnitude.

Has anyone been able to distill a flare prediction algorithm from
the several such observations reported in recent days?

Clear and dark skies!
   Ed Light

Lakewood, NJ, USA
N 40.1075, W 074.2312, +24 m (80 ft)

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