Hi Bill,

I have a problem with the last "beta" versions of Guide 8 dated 2007
June 6.

To see the problem, try this:
set date and time to 2007 Aug 21 0:00:00 UT
set location to E 15.00 deg N 42.00 deg
level 6 - field 8 degrees
go to asteroid (4) Vesta
click on (4) Vesta
add a trail for (4) Vesta with
Step size 1 day
Round to nearest step (NO)
Index marks (YES)
Index freq 5
Time labels off
Time labels freq 5 (Greyed)
Number of Steps 25

Result (on my computer): the first mark is not positioned at the
beginning of the trail (that is August 21) but two days later (on
August 23)!
If you change date and time to 2007 Aug 19 0:00:00 UT and add a new
trail, the first mark is still on August 21!
The same if you set date and time to 2007 Aug 18 0:00:00 UT (or 2007
Aug 22, or 2007 Aug 20 too).

I have already highlighted the problem two months ago and, as I have
written, doesn't matter if 'round to nearest step' in "add a trail"
dialog box was enabled or disabled.

Tiziano Magni


P.S.
This is the content of my "STARTUP.MAR" FILE:



998 created 2454335.932435 702 [Jun 4 2007]
1 ra 114.063186
2 dec -21.283351
3 level 5.000000
4 mag0 80 0
5 markings 4637
6 automark c637
11 lat/lon 15.000000 42.000000 0
12 zenith 0
13 strfmt 29647 0
14 defepoch J2000.000000
15 timezone 0.000
16 currtime 2454333.500001136
17 zonename UT
51 language e 0
18 drive C:\xxxxxxxx\xxxxxxxx\GUIDE8\
19 julian 0 0
20 home 3
21 inversn 0 0.000000
22 printer 1 2 PCX printed.pcx 0 0
24 testflag ffef
25 Marking 0 1 0 0 J2000.000000 750000.000000 500000.000000 ffffff
130.00
25 Marking 1 1 0 0 J2000.000000 250000.000000 500000.000000 ffffff
130.00
25 Marking 2 1 0 0 J2000.000000 250000.000000 500000.000000 ffffff
130.00
25 Marking 3 1 0 0 J2000.000000 250000.000000 500000.000000 ffffff
130.00
25 Marking 4 1 0 0 J2000.000000 3000000.000000 3000000.000000
ffffff 130.00
25 Marking 5 1 0 1 J2000.000000 250000.000000 500000.000000 40ff40
130.00
25 Marking 6 1 0 2 J2000.000000 250000.000000 500000.000000 ff80ff
130.00
25 Marking 7 1 0 3 J2000.000000 250000.000000 500000.000000 40a0ff
130.00
26 ap dia 0.000000
27 mark2 ce
28 altitude 0.00
29 mag rang 100
30 az convn 0
31 margins 50 50 50 50
33 sizes 0 648000000 324000000 162000000 72000000 28800000
18000000 7200000 3600000 1800000 900000 480000 240000 120000 60000
30000 15000 8000 4000 2000 1000
34 colors1 fc54fc ffffff 00fcfc 00fcfc 000c00 007cfc fcfc00 ffffff
ffffff ffffff
34 colors2 aaaaaa ffffff ff2b95 50ffff ffffff 000000 0000ff ff952b
000000 000000
35 legend 198687 0 31
37 Frame 1.500000 0.700000 1.500000 1.000000 2.700000 0
40 view off 0.000000 0.000000 0.000000
41 ast a li 0 2147483647 0
42 lx200 pr 0
43 track fr 5 -5
44 col spec 1
45 dpi, inv 300 300 0 1
46 data 7 70 7 70 7 70 7 70 6 40 4 70 4 70 7 70 7 80 28 70 7 70
1807 70 487 70 4 -10 4 37
47 anim spd 1.0000000000000 0.000000 0.000000 0 90 25 0
48 outlined 0 0 47 255 0 50 1
49 lx delay 15 100 9600 0 2400
50 enc syst 0
53 curs rdt 1
54 starsize 300 6000
55 mag text -79
56 ast labe 0 0 0 0 7
57 video 0
58 gsc ppm 150
59 gal size 20 9 2143559679 0
61 quickinf -1 110 150 1 0 0
62 datacol1 00fcfc 00fcfc 8080ff 40ff40 8080ff ffffff ffffff 40ff40
2b95ff 2bffff 2bffff 40ff40 40ff40 aaaaaa ff80c8
62 datacol2 00fcfc 00fcfc 00fcfc 00fcfc fc54fc ffffff ffffff 00fcfc
00fcfc 00fcfc fc54fc 00fcfc 00fcfc 00fcfc 00fcfc
63 real CD F
64 line var 0.000 0.000
65 cometcrc ed24a0fe
66 color mo 0 0 ffffff 000000 000080
67 projecti 4
68 planets 3 50 30.000000 30.000000
69 TLE name bright.tle
70 encoders 2000 2000
71 ephemer 1f 0 1 0
73 temp/hum 20.00 20.000000 1.000000 1500 10000 0
74 A1.0/2.0 0 10.000000 10.000000
75 panning 0.500000 7.000000 0
76 pl maps f f f f f f f f f f f f f f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f
f f f f f f f f f f f
77 view vel 0.000000 0.000000 0.000000
78 view acc 0.000000 0.000000 0.000000 0.000000
79 pl contr 0 256 150.00 20
80 CCD2 375 242 28 59.055118 1 1
81 disp lim 19.00 181.00 0.00 2.00 0.00 40.00 0.00 19.00
83 data low 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
84 data hi 18000 18000 18000 18000 18000 18000 18000 18000 18000
18000 18000 18000 18000 18000 18000
85 rgbs 00ffff 00ff00 ff8000
86 cache 10 0 ff
87 help rgb ffffff 000000 ff8000 0000ff 00d2ff 00c800
88 ap rgbs 0ff2b95
89 timezo2 0.000000 UT 3