I wasn't being critical of Heavens-Above. It must be a huge task tracking all that and making sure all the orbital elements are in order each day. I guess underestimating is better than over. -Rik > > Join the club. This is something which I also have observed (excuse the > pun) with a trend by H-A to underestimate magnitude. I had yet another > example of this just the other night with an Iridium flare. To make > matters worse, a flare a few minutes later by another Iridium satellite > (-6.4 magnitude!) was completely missed by H-A but nicely picked up by > Rob Matson's IRIDFLAR. For the latter satellite, it was just coming out > of the earth's shadow but there certainly was lots of visible time > after that anyway to make it a definite reportable pass. > > At this point I simply use H-A to get a general picture of what may be > available and then proceed with Rob's SKYMAP and/or IRIDFLAR to confirm > and fine-tune. > ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www2.satellite.eu.org/seesat/seesatindex.html
This archive was generated by hypermail 2b29 : Fri May 18 2001 - 11:29:22 PDT