Hello Bruce, You wrote: > I had tried to observe IRS P2 (94-068A, 23323) but it was moving too fast > for me - I was not prepared for it. I did notice that it changed brightness > considerably, ranging from around mag 9 to mag 6, with one flash estimated > mag 5. I was wondering if anyone else had noticed this behaviour before. > I know by heart this satellite has this flashy behaviour. In our PPAS (Photometric Periods of Artificial satellites) the last five flash reports are: 94- 68 A 03-04-06 20:21:36.1 BD 129.2 0.3 45 2.87 F, 4.0->i 94- 68 A 03-04-10 03:36:59 EC 58.0 0.4 5 11.6 +4 94- 68 A 03-04-29 03:18:51.0 EC 115.3 0.3 10 11.53 +1->inv 94- 68 A 03-06-09 03:15:51 EC 105.1 0.4 9 11.68 -2->inv 94- 68 A 04-04-26 20:22:40 LB 121.2 0.2 40 3.03 Ff,,,, 3(4)->i, note b2 in which the last column is a kind of comment: F and Ff explicitely state the flashing behaviour. The URL explaning the PPAS format: http://www.satobs.org/tumble/flashpm.html#PPASformat The most up to date PPAS is available on http://users2.ev1.net/~mmccants/bwgs/index.html Bram Dorreman Collector PPAS observations ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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