2001/12/21 15:58:16 (UT)
CMI = 195.9, CMII =  77.5, CMIII = 150.7
De =  +2.0, E.Dia = 46.86"
8 frames composite
Seeing=4/10,Trans=2/5
25cm+barlow3x(F=34)+Picona(1/7s)

2001/12/21 16:37:18 (UT)
CMI = 219.7, CMII = 101.0, CMIII = 174.3
De =  +2.0, E.Dia = 46.86"
7 frames composite
Seeing=4/10,Trans=2/5
25cm+barlow3x(F=34)+Picona(1/7s)

・深夜、急に晴れ出す。しかし撮影できたのはつかの間、
　風が強くなり、シ−イングの急激な悪化で撮影断念する。
・ＧＲＳ後方のＳＥＢの変化や、ＮＥＢの変化がきわだってい
　ます。
・ＢＡはＧＲＳに近づくとともに、白く、大きく明瞭です。
HIDEO EINAGA
≪兵庫・加西　永長英夫≫

              2001/12/21 06:25(UT)   

              2001/12/21 06:25(UT)

The atmosphere in Houston was rather unusual on the 21st as it was very
transparent and steady also. The temperature was cool, in the low 50's F.
Lots of complex features are visible at this CM.

Eyepiece Projection @ f/68 w/10mm plossel, projected 70mm, aprox.
.23 arc seconds per pixel.
 Image data:
 2 BLUE  + IR rejection, .6  seconds, Edmunds filters
 1 GREEN + IR rejection, .6  seconds, Edmunds filters
 2 RED   + IR rejection, .6  seconds, Edmunds filters
 4 IR bloocker only      .3 seconds, Edmunds IR Blocker
The sky was very transparent, 9/10. The seeing was very good to
excellent 8/10 with only light dew. The wind was calm.

E-Mail: egrafton@ghg.net
   [Ed Grafton, Houston Texas]

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