29 June 2007

28 June 2007

Observing LocationHoS
Observational Period1015-1030 EDT
Atmospheric Conditions
Cloud CoverHazy
Temperature70°F
WindLight Breeze
HumidityHigh
Feels LikeVery moist and warm

There was lots of for and haze obscuring NYC as I passed over the Whitestone Bridge this morning. They are predicting more thunderstorms for this afternoon/tonight.

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

Target Sunspots
ConstellationGem
CategorySolar
Time
yyyymmdd.hhmm
20070628.1015 EDT
Comments
Distance
Light Time
1.016536AU
8ms
Angular Size31'31.0"
Altitude51.7°
Heliographic Latitude
(B0)
2.56°
Heliographic Longitude
(L0)
261.83°
Position Angle
(P)
-3.97°
Carrington rotation number
(CR)
2058

Helio is giving me problems. Yesterday I had to set the display to Equatorial to get the spot to appear on the disc where I knew it should be. Today that setting places the group too far south and I had to change the display back to AltAzimuth to get a better fit. I am going to have to read the instructions and try to figure out what is going on.

 Groups SpotsR
North0 0 0
South1 1 11
Total1 1 11
R = (Groups * 10) + Spots)

Group 961
Heliographic Latitude -2°
Heliographic Longitude 212°
Carrington rotation number
(CR)
2058
Mcintosh SystemAxx
With the small binocular I am not able to see penumbra today or any smaller spots that may – or may not – be there.



NASA announced today that it is moving forward the target launch date for the next Shuttle mission by two days, to 7Aug07. The press release doesn’t specify a time, but based on the launch time for 9Aug07 and my previous research into the time of launch of delayed missions I have calculated a new launch time of 1951 EDT. That means Endeavour should fly past NYC at MECO at 1959 EDT. Sunset on that day is not until 2004 EDT so it will probably be hard to locate the Shuttle and differentiate it from planes landing and taking off at Newark Airport. I will give it a try from Pier 17. The launch window that day is 10 minutes long.

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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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