[Aavso-photometry] New AAVSO Online Airmass & ScintillationCalculator

[Pertti Pääkkönen]

Hi,

There seems to be something weird with JD and Date in the table of airmasses and
scintillations. There is a constant 23 min shift between UT and JD. Any instant at
6:00 UT corresponds to JD decimals fraction .75 . Using the JD tabulated I got the
same airmasses within 3-4 digits (for the Brian's original object position).

It would be good to include object alt/az in the results as well.

Pertti


> Here is a list of projected airmass and scintillation for the next ten hours.
>           JD        Date (UT)       Airmass      Scintillation
>      2453346.5576  1:00 12/7        1.46698         0.00070
>      2453346.5993  2:00 12/7        1.24390         0.00053
>      2453346.6410  3:00 12/7        1.10987         0.00043
>      2453346.6826  4:00 12/7        1.03489         0.00038
>      2453346.7243  5:00 12/7        1.00469         0.00036
>      2453346.7660  6:00 12/7        1.01404         0.00037
>      2453346.8076  7:00 12/7        1.06454         0.00040
>      2453346.8493  8:00 12/7        1.16524         0.00047
>      2453346.8910  9:00 12/7        1.33666         0.00060
>      2453346.9326  10:00 12/7       1.62151         0.00084


-- 
Pertti Pääkkönen, PhD, Laboratory engineer
University of Joensuu, Department of Physics
Tel: +358 13 351 3238
Fax: +358 13 251 3290