0921 MVl Note
21 September 2001 (238°Ls)

MARS 21th September 2001

Maurice Valimberti,    Melbourne, AUSTRALIA   mauricev@ozemail.com.au

'Cookbook' 245 camera.   6" f/11 Refractor + 5x TeleVue Powermate (f/85)

Seeing: average
Transparency: fair to good

IR filter 785nm peak schott WG295 (2mm), RG9 (3mm)
V filter 520nm peak schott GG495 (2mm), BG39 (2mm), WG295 (1mm)
R filter 600nm peak schott OG570 (3mm), KG3 (2mm)
B filter 435nm peak schott GG385 (1mm), BG25 (1mm), BG39 (3mm)

Integration times:
B frame: multiple 0.8s
R frame: multiple 0.2s
V frame: multiple 0.4s
IR frame: multiple 0.2s

Dust activity at Sinai, Thaumasia and Juventae Fons.