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Old 12-07-2021, 09:12 PM
Startrek (Martin)
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Join Date: Dec 2017
Location: Sydney and South Coast NSW
Posts: 6,647
NGC 6744 Pavo Galaxy on a dewy night

Last night started out clear with no dew so decided to image a galaxy which I haven’t done since May. Chose NGC 6744 Spiral Galaxy in the constellation of Peacock ( Pavo ) as it’s placed quite low around 6.30pm and doesn’t cross the south meridian until midnight.At magnitude 9 it’s an unusually bright galaxy with a very dense surrounding star field
Got underway by 6.30pm but unfortunately by 7.30pm heavy dew hit including some salt mist which turned my guiding from 0.65 to 1.25 total arc sec error and some excursions in Ra and Dec . Stars in my subs went from tight to fat in just over an hour. Still battled on until about 10pm and managed to salvage about 20 x 5min average subs
NexDome Obs
Dew heaters running
8” f5 GSO newt
EQ6-R mount
PHD2 Multistar guiding
EQMOD and Ascom Stellarium
APT
Stacked in DSS
Processed in Startools V1.7 OSC Linear data set

Comments Welcome
Thanks
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