21 September 2004

19 September 2004

Observing
Location
TotL
Atmospheric
Conditions
It was a very clear night with fairly good seeing but it was chilly. The temperature dropped down to 50 before we quit around 0230 and it was breezy which was even buffeting my binoculars.
InstrumentsCanon 15x50 Image Stabilized binoculars - Charlie
Tacahashi 102 - Peter
Tele Vue 76 - Ben
Observing
Party
Charlie Ridgway
Peter Tagatac
Ben Cacace

TargetMoon
Time19Sep04; 2200 EDT
CategoryMoon
CommentsLow along the terminator were three very prominent craters. The top two appear to have their walls touching and are Cyrillus and Theophilus on the edge of Mare Nectaris. A little lower on the edge of the mare is Catharina. Below Catharina is a white line extending toward 4:30 from the terminator, Rupes Altal, a scarp wall.

TargetM2, NGC7089
Time19Sep04; 22:08 EDT
CategoryDeep Space Objects
CommentsA faint fuzzy globular cluster in Aquarius. Observed in one of the scopes.

TargetAlgol, β Per
Category19Sep04; 22:19 EDT
CommentsWe watched Algol dim until Rho was brighter than it, then come back to near full brightness.

Target95 Her
Time19Sep04; 22:28 EDT
CategoryDouble Stars
CommentsIn Ben's scope it appeared a close double of unequal brightness.

TargetM34, NGC1039
Time19Sep04; 2237 EDT
CategoryDeep Space Objects
CommentsAn open cluster in Perseus

Go up a little over a field of view from Algol to a large right triangle with the cluster to the right

5 stars in the shape of a cross with dimmer stars around it. In Ben's scope at 60x the center star is a wide double.

Target16 Cyg
Time19Sep04; 2257 EDT
CategoryDouble Stars
CommentsA tight double near the third star from the tip of the left wing of the swan. In my binoculars they looked green-white and yellow. In Ben's scope @22x the green didn't show but the yellow was still there. In the same field of view was the Blinking Planetary Nebula, NGC1626, but it was not observed to blink by anyone.

TargetKemble's Cascade and NGC1502
Time19Sep04; 2358 EDT
CategoryAsterism and Deep Space Object
CommentsIn Cam.

From Algol go left through α Per then three fields of view to an arc of 4 bright stars going from 1 to 6. The cascade is an arc of dimmer stars arcing through the brightest lower star of the first arc from 10 to 4. At the bottom of the cascade it splays out like a bird's foot (or the bottom of a waterfall) with a very tight double in the left claw in NGC1502, a compact open cluster. An alternate hop to the cascade is to draw a line through the end stars of the Big W (Cas) and extend the line that distance again (total distance from β Cas is about 28 degrees) to NGC1502 (RA 04:07:43; Dec 62d20'00") at the base of the cascade.

[APOD says they are unrelated stars. 20 stars in a row 5 moon widths long.] [Cascade stars are Mag 8 and 9.]

Target57 Gam2 And
TimeDouble Stars
Category20Sep04; 0035 EDT
CommentsA double of very different magnitudes. Observed in Peter's scope.

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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