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Old 11-02-2013, 06:38 AM
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glenc (Glen)
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Join Date: Jun 2005
Location: Terranora
Posts: 4,406
DA 14 from Brisbane and Perth

The asteroid's position varies a lot depending on your location.
The attached file is for Brisbane and Perth.

SOLAR PRESENCE (OBSERVING SITE)
Time tag is followed by a blank, then a solar-presence symbol:
'*' Daylight (refracted solar upper-limb on or above apparent horizon)
'C' Civil twilight/dawn
'N' Nautical twilight/dawn
'A' Astronomical twilight/dawn
' ' Night OR geocentric ephemeris

LUNAR PRESENCE WITH TARGET RISE/TRANSIT/SET MARKER (OBSERVING SITE)
The solar-presence symbol is immediately followed by another marker symbol:
'm' Refracted upper-limb of Moon on or above apparent horizon
' ' Refracted upper-limb of Moon below apparent horizon OR geocentric
'r' Rise (target body on or above cut-off RTS elevation)
't' Transit (target body at or past local maximum RTS elevation)
's' Set (target body on or below cut-off RTS elevation)
Attached Files
File Type: pdf DA 14.pdf (166.4 KB, 67 views)
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