Byte to byte description
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Col Bytes Format Design Units Remarks
umn
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1 1- 5 i5 No - Plate number in accordance
with the log-book,
bytes 1-4 and space.
2 6- 9 i4 Y year Year
of observational epoch.
3 10- 11 i2 M month Month
of observational epoch.
4 12- 20 f9.6 D,UT-1 day,UT Day and part of the day
according to 1-st exposi-
tion (time UT).
5 21- 30 f10.6 D,UT-2 day,UT Day and part of the day
according to 2nd exposi-
tion (time UT),
bytes 22-30.
6 31- 40 f10.6 D,UT-3 day,UT Day and part of the day
according to 3d exposition
(time UT), bytes 32-30.
7 41- 47 i7 R.A. h,m,s Right Ascension (B1950),
bytes 42,43 are hours,
bytes 44,45 are minutes,
bytes 46,47 are seconds.
8 48- 52 i5 Dec. o,' Declination (B1950), byte
48 is sign, bytes 49,50
are degrees, bytes 51,52
are arcminutes.
9 53- 56 i4 h.a. min Hour angle.
10 57- 61 i5 mms1 minsec Duration of first exposure,
bytes 58,59 are minutes,
bytes 60,61 are seconds.
11 62- 65 i4 mms2 minsec Duration of second exposu-
re, bytes 62,63 are minu-
tes, bytes 64,65 are
seconds.
12 66- 69 i4 mms3 minsec Duration of third exposure,
bytes 66,67 are minutes,
bytes 68,69 are secunds.
13 70- 72 a3 NE - Number of expositions (by-
te 71) and position in res-
pect to the first exposure-
(byte 72 (S-to the south,
N-to the north, E-to the
east, W-to the west)).
14 73- 76 i4 t,C degr.C Air temperature (degree C).
15 77- 80 i4 Pmm mm Hg Pressure.
16 81- 83 a3 Tu - Tube(1 or 2) - byte 82 and
direction of the tube (E-
to the east, W-to the
west) - byte 83.
17 84- 90 a7 Em. - Emulsion:
IO - Ilford Ordinary,
IP - Ilford Process,
IZ - Ilford Zenith,
kodak - Kodak OaO,
OZu1 - ORWO ZU 01,
OZu2 - ORWO ZU 02,
OZu21 - ORWO ZU 21,
ONP27 - ORWO NP 27.
18 91- 92 i2 S1 cm Gorizontal dimension
of plate.
19 93- 94 i2 S2 cm Vertical dimention of pla-
te.
20 95- 98 a4 Box - Box number.
21 99-101 i3 Sh - Shelf number.
22 102-104 i3 LB - Log-book number.
23 105-116 a12 Obs. - Observer's name.
24 117-120 i4 NMP - Minor planet number.
25 121-131 a11 Name - Minor planet name or sky
area according to log-book.
26 132-155 a24 Rem. - Remarks.
27 156-161 i6 A.R.A. h,m,s Asteroid right ascension
(B1950 according to SAO
and AGK-3 catalogues and
J2000 according to PPM
catalogue), bytes 156,157
are hours, bytes 158,159
are minutes, bytes 160,161
are seconds.
28 162-168 i7 A.Dec. o,'," Asteroid declination
(B1950 according to SAO
and AGK-3 catalogues and
J2000 according to PPM
catalogue), byte 162 is
sign, bytes 163,164 are
degrees, bytes 165,166 are
arcminutes, bytes 167,168
are arcseconds.
29 169-172 a4 CAT - Catalogs according to
A.R.A. and A.Dec.