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Calculate asteroid observing circumstances
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Observer circumstances
Observer location:
CAAT [J57]
Cerro Tololo Obs. [807]
El Sauce Obs. [X02]
Foggy Bottom Obs. [776]
Lowell Obs. AndersonMesa [688]
Santana Obs. [646]
Siding Spring Obs. [Q62]
SPA-2 [Z08]
Teide Obs. [954]
Union College Obs.
Utah Desert Remote Obs. [U94]
Wallace Obs. [810]
Whitin Obs. [W83]
Latitude
, East longitude
Local date at start of night (yyyy mm dd):
Time zone for output:
(UT-12 h)
(UT-11 h)
(UT-10 h)
(UT-9 h)
PST (UT-8 h)
PDT (UT-7 h)
MST (UT-7 h)
MDT (UT-6 h)
CST (UT-6 h)
CDT (UT-5 h)
EST (UT-5 h)
EDT (UT-4 h)
(UT-3 h)
(UT-2 h)
(UT-1 h)
UT
(UT+1 h)
(UT+2 h)
(UT+3 h)
(UT+4 h)
(UT+5 h)
(UT+6 h)
(UT+7 h)
(UT+8 h)
(UT+9 h)
(UT+10 h)
(UT+11 h)
(UT+12 h)
Size for
DSS finder charts
(arcminutes):
Width
, Height
Target minor planet designation (number or provisional):
Observing constraints
Object altitude
above
degrees
Sun altitude
below
degrees
Moon
must be either
at least
degrees away from object,
or
at least
degrees from the object
and also
less than
% lit
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Copyright (c) 2025 Stephen M. Slivan. All rights reserved.