13 February 2007

9 February 2007

Observing LocationVP
Observational Period1100-1115 EST
Atmospheric Conditions
Cloud CoverScattered Clouds
~25%
with light haze
Temperature20°F
Wind7 MPH
gusting to
23 MPH
HumidityLow
Feels Like11°F Wind Chill

TransparencyGood
SeeingII
InstrumentsBrunton 8x21 compact binocular w/Welco gold shade 14 welder's filter - Charlie
Observing PartyCharlie Ridgway

Target Sunspots
ConstellationCap
CategorySolar
Time
yyyymmdd.hhmm
20070209.1100 EST
Comments
Distance
Light Time
0.987 AU
8m12s
Angular Size32'25"
Heliographic Latitude
(B0)
-6.55°
Heliographic Longitude
(L0)
296.95°
Position Angle
(P)
-15.37°
Carrington rotation number
(CR)
2053

No spots were observed today.

 Groups SpotsR
North0 0 0
South0 0 0
Total0 0 0
R = (Groups * 10) + Spots)




Observing LocationTotL
Observational Period2100-0015- EST
Atmospheric Conditions
Cloud Cover
becoming
Broken Clouds
with heavy haze
Clear
Temperature20
Windcalm
gusting to
Moderate Breeze
HumidityModerate
Feels LikeCold
°F Wind Chill

When I arrived it was pretty clear but Peter said Saturn looked very soft under high power. As the night wore on clouds became visible to the north low in the sky to the north and transparency decreased to the point that I could hardly are Orion's Belt and the Pleiades looked like a single dim star. It cleared up a good but after 2330 EST, but by then we were mostly packed up.
TransparencyPoor
SeeingII
InstrumentsCanon 15x50 IS binocular - Charlie
Teleport 10" Donsonisn reflector - Peter
Observing PartyCharlie Ridgway
Peter Tagatac
Kin Lee

TargetSaturn
ConstellationLeo
CategoryPlanet
Time
yyyymmdd.hhmm
20070209.2130 EST
Comments
Object
Class
Classical Planet
Elongation178.51°W
Distance
Light Time
(from Earth)
8.20 AU
1h8m
Distance
(from Sun)
9.19 Au
Angular Size20.2"x17.9"
Ring
Angular
Size
45.8"x11"
Ring
Inclination
13.91°
Magnitude0.0
Altitude46.55°
I could see five moons and occasionally the Casini Division and a band on the planet above the rings. In my binocular it just looked to me like a cigar shaped planet. Peter and Kin both reported seeing a separation between the rings and the planet.

TargetM42
ConstellationOri
CategoryDSO:EmBen
Time
yyyymmdd.hhmm
20070209 EST
Commentsit was hard to detect the nebulosity. It was most easily seen with averted vision. Orion was in Manhattan south with the lights from Times Square illuminating the haze which was getting very pronounced by then.

Disclaimer
This is my personal record of my astronomical observations. It was written for my personal reference. The only reason it is in a blog is that a blog is a very convenient way to get the records formatted more or less uniformly and they will, hopefully, have greater longevity at Google where the servers are backed up than on my hard drive which never gets backed up. I occasionally include copyrighted material in my posts. I do this to make it convenient for me to access things I think I might want to refer to again. I think of this like making a photocopy of something I read that I put in a file where I can find it when I want it. As I understand copyright law, as explained in the DVD series Copyright Compliance by Chip Taylor Communications, this use is allowed under the Fair Use doctrine since I am not making any money on this blog, I don’t publicize the blog, and only occasionally post small excerpts of copyrighted works.


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