ICEINSPACE
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Moon Phase
CURRENT MOON
Waning Crescent 14.7%
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10-01-2016, 09:33 AM
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Registered User
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Join Date: Jul 2008
Location: Killara, Sydney
Posts: 4,147
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While it may have cleared up along the coastal strip early this morning I doubt it very much in the mountains.
Looking at the data from Mt Boyce over the last few nights the relationship between wind direction and humidity is startling - when it's westerly the humidity typically drops to 50% or less, but when it is easterly the night-time humidity stays above 95% and can be 99% .... In other words it's fog, or low level cloud.
This morning probably was one of those days where - standing on a peak - you'd see the fog pouring off the plateau into the valleys.
Bear in mind the effect of raising moist air off the sea - for every 100 metres in height the air temp drops 1 degree. While it may well be clear at say punchbowl, Penrith even, by the time it has been raised 1000 metres the air will be supersaturated - below the dew point.
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10-01-2016, 10:10 AM
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Registered User
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Join Date: Jun 2014
Location: Medlow Bath
Posts: 578
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It cleared last night around midnight, but the dew was pretty bad, so it would have been a wasted effort coming up here for you guys.It is sunny this morning, but as wavy said, the valleys are fog bound, looking out from the Hydro this morning, all you see is a white blanket of cloud.
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11-01-2016, 09:39 AM
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A Friendly Nyctophiliac
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Join Date: Nov 2009
Location: Toongabbie, NSW
Posts: 1,598
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Consider rescheduling next Saturday? The moon set just after mid night. So can still get a good 3-4 hours of total darkness.
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11-01-2016, 11:23 AM
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Registered User
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Join Date: Nov 2014
Location: Perth
Posts: 132
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Yes please...
Alex?
Quote:
Originally Posted by AG Hybrid
Consider rescheduling next Saturday? The moon set just after mid night. So can still get a good 3-4 hours of total darkness.
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11-01-2016, 12:03 PM
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A Friendly Nyctophiliac
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Join Date: Nov 2009
Location: Toongabbie, NSW
Posts: 1,598
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Forecasts suggest good weather.
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11-01-2016, 12:12 PM
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Deprived of starlight
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Join Date: Nov 2006
Location: Sydney
Posts: 3,912
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I'd be up for next Saturday.
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11-01-2016, 02:30 PM
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Registered User
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Join Date: Jul 2008
Location: Killara, Sydney
Posts: 4,147
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What about Friday night ? It doesn't get dark until quite late - late enough to go home after work and set off...
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11-01-2016, 02:54 PM
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A Friendly Nyctophiliac
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Join Date: Nov 2009
Location: Toongabbie, NSW
Posts: 1,598
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Fridays weather is looking uncertain. Including rain being forecast at katoomba for most of the day.
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11-01-2016, 04:07 PM
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Registered User
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Join Date: Feb 2013
Location: Western Sydney, NSW
Posts: 537
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I'm good for this Saturday as well.
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11-01-2016, 10:29 PM
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Registered User
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Join Date: Jul 2008
Location: Killara, Sydney
Posts: 4,147
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Think carefully guys...
With the moon at 1st quarter the DSO's will be washed out till well after moonset and there are no interesting planets to look at. 4+ hours driving for 3-4 dark hours observing ?
Might be OK if you're up for an all-nighter but I think I'll pass as I'd be heading home by 12 or 1 anyway.
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12-01-2016, 09:06 AM
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A Friendly Nyctophiliac
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Join Date: Nov 2009
Location: Toongabbie, NSW
Posts: 1,598
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Quote:
Originally Posted by Wavytone
Think carefully guys...
With the moon at 1st quarter the DSO's will be washed out till well after moonset and there are no interesting planets to look at. 4+ hours driving for 3-4 dark hours observing ?
Might be OK if you're up for an all-nighter but I think I'll pass as I'd be heading home by 12 or 1 anyway.
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It's still better then anything we have in Sydney. Also, I want to see my friends who I haven't seen for some months and by the looks of things make some new friends. 
Besides, being summer it not really "dark" anyway until 9:30-10PM. Lots of time for chatting and introductions.
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12-01-2016, 01:08 PM
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kids+wife+scopes=happyman
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Join Date: Jun 2008
Location: sydney, australia
Posts: 5,004
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Hi folks,
I spoke with Rod this morning about this Saturday night. Unfortunately the Airfield is not available to us this weekend. Looks like there could be some sort of exercises going on so it means we miss out, 
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12-01-2016, 01:11 PM
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A Friendly Nyctophiliac
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Join Date: Nov 2009
Location: Toongabbie, NSW
Posts: 1,598
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Guess we will head to MT Blackheath instead or Hargraves lookout.
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12-01-2016, 04:23 PM
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Registered User
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Join Date: Nov 2014
Location: Perth
Posts: 132
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Thanks for the effort, Alex.
Quote:
Originally Posted by mental4astro
Hi folks,
I spoke with Rod this morning about this Saturday night. Unfortunately the Airfield is not available to us this weekend. Looks like there could be some sort of exercises going on so it means we miss out, |
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13-01-2016, 07:22 PM
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Drifting from the pole
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Join Date: Feb 2013
Location: Brisbane
Posts: 5,478
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Quote:
Originally Posted by AG Hybrid
Guess we will head to MT Blackheath instead or Hargraves lookout.
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Mt Blackheath would probably be better now what with the hotel across the valley...
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14-01-2016, 09:24 AM
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A Friendly Nyctophiliac
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Join Date: Nov 2009
Location: Toongabbie, NSW
Posts: 1,598
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Weather has gone straight to hell anyway.
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15-01-2016, 08:56 AM
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Registered User
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Join Date: Jul 2008
Location: Killara, Sydney
Posts: 4,147
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Indeed it has - the southerly will continue to blow all weekend.
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