23533 95 015A 8305 G 20031120011047590 56 35 2027142-289077 26
23533 95 015A 8305 G 20031120011305070 56 35 1919261+090806 83
23533 95 015A 8305 G 20031120011321870 56 35 1908590+144352 83
23533 95 015A 8305 G 20031120011349780 56 35 1849582+229539 83
23533 95 015A 8305 G 20031120011419460 56 35 1827490+311236 26
07816 75 043A 8305 G 20031120014655200 56 35 2343335-217095 35
07816 75 043A 8305 G 20031120014709030 56 35 2338166-252211 83
07816 75 043A 8305 G 20031120014753750 56 35 2323296-345679 65
reduction with Guide8 and Obsreduce (Ted)
had to stop early because my audio tape malfunctioned
format explained below.
IOD Observation Format Description | Copyright (C) 1998, G. Lewis
10 20 30 40 50 60 70 80
123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789
AAAAAAA+EEEEEE
YYYYMMDDHHMMSSsss tt ce RRRRRRR-DDDDDD pp
12345 98 123XYZ 2007 S 19981122112233444 56 14 1122334-112233 46 B+MMm Mm SSSsss
Examples:
12345 98 123A 2007 S 20081122112233444 56 14 1122334+112233 36
12345 98 123A 2007 S 20081122112233444 56 14 1122334+112233 36
12345 98 123A 2007 S 20081122112233444 56 14 1122334+112233 36 B+MMm Mm
12345 98 123ABC 2007 S 20081122112233444 56 14 1122334+112233 36 B+MMm Mm SSSsss
12345 98 123A 2007 S 20081122112233444 56 B+MMm Mm SSsss
12345 98 123A 2007 S 20081122112233444 56 B+MMm Mm Ssss
Cols 1- 15: Object number and international designation.
Cols 17- 20: Four digit station number.
Col 22: Station status code.
Sky condition codes:
E = excellent: no Moon/clouds, great seeing, minimal air/light pollution
G = good : no Moon/clouds, conditions could be better, but not much
F = fair : young/old Moon, some air/light pollution making fainter stars invisible
P = poor : gibbous Moon, haze, more air/light pollution making more stars invisible
B = bad : bright Moon, air/light pollution, some clouds; difficult
T = terrible : bright Moon, air/light pollution, looking through clouds
Station status codes:
C = clouded out
O = sky clear, but observer not available
The purpose of the 'C' and 'O' codes is to enable reporting of
"station unavailable" status to a network coordinator.
Cols 24- 31: UTC date. Four digit year, two digit month and day of month.
Cols 32- 40: UTC time. Two digit hour and minute. Seconds are reportable to
a precision of 0.001 second (same as TLE precision). If
significant digits are not available for columns 36, 37, 38,
the unused columns should be blank or zero. Time uncertainty
is specified in the next field.
Cols 42- 43: Time uncertainty. Expressed as MX, where M = mantissa, and X =
exponent input. Evaluated as M*10E(X-8). Examples:
MX = 15: 1*10E(5-8) = 0.001 sec
MX = 56: 5*10E(6-8) = 0.05 sec
MX = 17: 1*10E(7-8) = 0.1 sec
MX = 97: 9*10E(7-8) = 0.9 sec
MX = 18: 1*10E(8-8) = 1 sec
MX = 28: 2*10E(8-8) = 2 sec
MX = 58: 5*10E(8-8) = 5 sec
MX = 19: 1*10E(9-8) = 10 sec
MX = 29: 2*10E(9-8) = 20 sec
MX = 99: 9*10E(9-8) = 90 sec (largest)
Col 45: Angle format code. BLANK IF NO POSITION IS REPORTED.
To allow for user preference, four RA/DEC and three AZ/EL
formats are provided. The first six of these are the same
formats as used in the OTWG system, with the exception that
one less digit of precision is available in both position
coordinates. Positional coordinates are reported in columns
48-61. The positional uncertainty is reported in columns 63-64.
The seven positional formats are:
50 60
89 123456789 1234
Format 1: RA/DEC = HHMMSSs+DDMMSS MX (MX in seconds of arc)
2: RA/DEC = HHMMmmm+DDMMmm MX (MX in minutes of arc)
3: RA/DEC = HHMMmmm+DDdddd MX (MX in degrees of arc)
4: AZ/EL = DDDMMSS+DDMMSS MX (MX in seconds of arc)
5: AZ/EL = DDDMMmm+DDMMmm MX (MX in minutes of arc)
6: AZ/EL = DDDdddd+DDdddd MX (MX in degrees of arc)
7: RA/DEC = HHMMSSs+DDdddd MX (MX in degrees of arc)
Col 46: Epoch code. BLANK IF AZ/EL.
0 or blank = of date
1 = 1855
2 = 1875
3 = 1900
4 = 1950
5 = 2000
6 = 2050
Cols 48- 54: Observed RA or AZ
Col 55: DEC or EL sign
Cols 56- 61: Observed DEC or EL
Cols 63- 64: Positional uncertainty. Expressed as MX, where M = mantissa,
and X = exponent input. Evaluated as M*10E(X-8). Given in seconds,
minutes, or degrees of arc according to the format used. Assumed
to apply equally to both components.
Examples of positional uncertainty ("/" = "or"):
MX = 34 3*10E(4-8) = 0.0003 deg/min/sec of arc
MX = 56: 5*10E(6-8) = 0.05 deg/min/sec of arc
MX = 17: 1*10E(7-8) = 0.1 deg/min/sec of arc
MX = 97: 9*10E(7-8) = 0.9 deg/min/sec of arc
MX = 18: 1*10E(8-8) = 1 deg/min/sec of arc
MX = 28: 2*10E(8-8) = 2 deg/min/sec of arc
MX = 58: 5*10E(8-8) = 5 deg/min/sec of arc
MX = 19: 1*10E(9-8) = 10 deg/min/sec of arc
MX = 29: 2*10E(9-8) = 20 deg/min/sec of arc
MX = 99: 9*10E(9-8) = 90 deg/min/sec of arc (largest)
Col 66: Optical behavior code. BLANK IF NO DATA.
Optical Tracking Working Group Codes:
E = unusually faint because of eclipse exit/entrance
F = constant flash period
I = irregular
R = regular variations
S = steady
X = irregular flash period
Flash Period Codes:
B = time zero for averaging several flash cycles
H = one flash in a series
P = end time for averaging several flash cycles. Time interval
from last "B" report divided by flash period reported on
this line gives number of flashes that occurred since "B".
Miscellaneous Visibility Codes:
A = became visible (was invisible); use E for eclipse exit
D = object in field of view, but not visible
M = brightest
N = faintest
V = best seen using averted vision
Cols 67: Visual magnitude sign. BLANK IF NO DATA.
Cols 68- 70: Visual magnitude. Implied decimal point
between cols 69 and 70. BLANK IF NO DATA.
Cols 72- 73: Magnitude uncertainty. Implied decimal point
between cols 72 and 73. BLANK IF NO DATA.
Cols 75- 80: Flash period in seconds. Implied decimal point
between cols 77 and 78. BLANK IF NO DATA.
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