11 September 2004

10 September 2004

Observing
Location
TotL
Atmospheric
Conditions
Excellent at least early on. It was the clearest last night that it has been since last winter. Around 2300 hrs some clouds rolled in for an hour or so but they broke up and moved out about the time we started packing up near 0100. The atmosphere was very stable with little shimmering observed. About dusk they lit up the towers of light memorial at the World Trade Center. When it got dark the beams of light reached the zenith and ruined viewing of anything within a few degrees on either side of the beams. We didn't see when the lights were turned off but it was sometime around 2130.
InstrumentsCanon 15x50 Image Stabilized binoculars - Charlie
Canon 10x30 Image Stabilized binoculars - Hugo
TeleVue 76 refractor - Ben
Teleport 10" Dobsonian reflector - Peter
Observing
Party
Charlie Ridgway
Ben Cacace
Peter Tagatac
Hugo Capra
Debbie and Sammy

TargetSagittarius
Time10Sep04; 19:58 EDT
CategoryConstellations
CommentsSgr was well up above the trees. I was able to identify all the major "teapot" stars naked- eye with the exception of η and μ Sagittarii.

TargetInternational Space Station
Time10Sep04; 2024 EDT
CategorySatellite
CommentsThe ISS came blazing across the twilight sky. I first picked it up in the SSW above the buildings of Central Park South around Sixth to Seventh Avenue and tracked it up Fifth Avenue until it disappeared behind the large tree behind the ball field just north of TotL. In the binoculars the shape of the object seemed to change becoming elongated across the direction of the path a couple of times.

Targetν Scorpii Double Double
Time10Sep04; 2032 EDT
CategoryDouble Stars
CommentsVery faint and could not be found again.

TargetTail of Scorpius
Time10Sep04; 2040 EDT
CategoryAsterisms
Commentsλ and ν Scorpii were easily visible naked eye, κ Sco with more difficulty and much concentration.

TargetM13, the Hercules Cluster, NGC6205
Time10Sep04; 2136 EDT
CategoryDeep Space Object
CommentsObserved in Peter's 10" Teleport. This globular cluster looked like a luminous area about the size of a quarter.

TargetM31, Andromeda Galaxy, NGC224
Time10Sep04; 2215 EDT
Category
CommentsIt took a lot of work but I finally found it with my binoculars after first seeing it in the scopes. There was a string of stars stretching from 7 to 2 o'clock. M31 is a faint fuzzy smudge to the left at the top of the string of stars and separated by a couple of degrees. The light we were observing left the galaxy 2,200,000 years ago.

TargetTriangulum (The Triangle)
Time10Sep04; 2233 EDT
CategoryConstellations
CommentsAbout 1/2 fist-width across [actually 6.4 degrees]. The upper two stars appear brighter than the third in the lower corner. It is a small constellation made up of third and fourth magnitude stars and is located below Andromeda and above Aires, and between Perseus to the west and Pisces to the east.

TargetArise (The Ram)
Time10Sep04; 2237 EDT
CategoryConstellations
Commentsα and β Ari were fairly obvious naked eye. γ on the right end was more difficult and the clouds came in before I confirmed 41 Ari on the left end. Around 0200 when the constellation was higher in the sky and most of the clouds had dissipated 41 Ari was easily seen as was γ Ari.

Targetρ Her
Time10Sep04; 2243 EDT
CategoryDouble Stars
CommentsA very close double. In Ben's scope at 60x the right star looked brighter and higher up. The dimmer star looked bluish and lower left. It looked like it was behind the yellow star. At 80x the field was dimmer and the color not as obvious although they were easily separated. The brighter star appeared to be about twice the size of the dimmer star. At 48x I wouldn't have identified it as a double star.

Targetα1 and α2 Her, Rasalgethi
Time10Sep04; 2255 EDT
CategoryDouble Stars
CommentsA closer double than ρ Her. The left star is brighter and a pale orange. The right star is much dimmer and tends to the white or maybe blue.

TargetM15, NGC7078
Time10Sep04; 2331 EDT
CategoryDeep Space Objects
CommentsObserved in Peter's scope, the globular cluster in Pegasus has a bright center.

TargetM27, Dumbbell Nebula, NGC6853
Time10Sep04; 2343 EDT
CategoryDeep Space Objects
CommentsI observed this nebula in Ben's scope. At 22x it was real difficult to see without a filter, with his nebula filter it became a little easier with but no shape could be discerned. At 48x with the filter it gave the impression of being an oblong diagonal with the lower end closer to Earth.

TargetM103, NGC581
Time11Sep04 0002 EDT
CategoryDeep Space Objects
CommentsObserved in Peter's scope. He calls this open cluster the slipper because of its shape: three stars in a triangle with one more star off to the side. It is a small object and not that bright so I probably hadn't seen it when I studied Cas alone a while back although it was definitely in my field of view.

TargetNGC663
Time11Sep04; 0004 EDT
CategoryDeep Space Objects
CommentsTwo pairs of two stars at an angle to each other with other dimmer stars around them.

Targetη Cas, Achird
Time11Sep04; 0009 EDT
CategoryDouble Stars
CommentsThis double really flared out and was not easy to separate. There were diffraction spikes over the star because of Peter's spider.

TargetM45, Pleiades, NGC1
Time11Sep04; 0131 EDT
CategoryDeep Space Objects
CommentsDebbie first picked out the Pleiades naked-eye. We spent considerable time trying to figure out how many sisters there actually are in the Seven Sisters. I could see six stars easily. Debbie was up to eight and Peter at seven.

TargetOrion (The Hunter)
Time11Sep04; 0239 EDT
CategoryConstellation
CommentsI identified Belatrix as Orion was rising on his back in the east just beginning to clear the trees. By moving west along the path we were able to bring Betlejeus and the Belt into view. Given more room we might have seen the Great Orion Nebula.

TargetGemini (The Twins)
Time11Sep04; 0245 EDT
CategoryConstellation
CommentsCastor and Pollux were laying on their sides to the left of Orion just starting to clear the trees. I could see their heads and Castor's feet but nothing else.

TargetNGC457, Owl Cluster or ET Cluster
Time11Sep04; time uncertain
CategoryDeep Space Object
CommentsObserved through Peter's scope the owl appeared to by laying in its side with two bright stars at one end for its eyes. It had a squarish body with wings/arms extending out diagonally on each side, one up and one down. At the bottom of the body were two feet or diminutive legs extending outward at nearly right angles from the body.

Targetβ Per, Algol
Time10Sep04; time uncertain
CategoryVariable Star
CommentsI have read about Algol being an easily observed variable star but had no idea where it was. Ben star hopped me to it last night. It is a not a terribly star in Perseus. To find it we dropped down from Cassiopeia to α Per, Mirfak, a magnitude 1.8 star. It is part of an arc of stars in combination with η and γ Per above it. Just over a binocular field to the east of Mirgak is a third magnitude star and nearly a binocular field beyone that star is Algol. Algol was at its brightest last night and will be fading to about the magnitude of the star about two degrees to its east, nearly magnitude 4

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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