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October 26, 2007

10/26/2007 - COMET 17/P (HOLMES)

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The surprise brightening of Comet 17/P has delighted astrophotographers and stargazers worldwide. This is a photo taken from my observatory in Port Orchard, Washington. (Meade DSI Pro II, LX200, 10 combined 2 second exposures.)

10/26/2007 - OH, TO SPOT A COMET

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Even a casual observer can't miss Comet 17/P (Holmes) as it appears to be a bright, fuzzy dot to the northeast, in the constellation Perseus. Visible after sunset and throughout the night, this is a spectacular sight that doesn't even require a telescope. Grab your binoculars and delight your kids with the sight of this celestial visitor!

October 14, 2007

10/14/2007 - MEADE DSI II VENUS IMAGE

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This is a 45-image combined stack of Venus shot at 6:10 a.m. with Venus high in the sky. Compare this with the picture below, a single shot taken with a Canon DSLR. (8" Meade LX200, DSI II Pro at prime focus, Dell Inspiron 9100 laptop)

10/14/2007 - VENUS, THE MORNING STAR

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Single exposure of Venus at 6:15 a.m., high in the sky. (Canon EOS 20D, 320/sec, ISO 100, 8" LX200 at prime focus.)

October 13, 2007

10/13/2007 - TRIPLE VENUS

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This triple image of Venus puzzled - and alarmed me - at the same time. It was taken through an 8" LX200 - a used telescope that I had recently purchased from a gentleman in Bothell, Washington. This image, and others similar to it, were captured using a Canon EOS 20D DSLR camera mounted to the aforementioned telescope - a setup that had, in recent past, given me stunning images. What had happened? >>

I floated this out to friends and associates on the LX90 Yahoo users group and most concluded that it was one of two things:

1) Upper atmosphere turbulence or
2) Convection inside the OTA (telescope)

I'm not sure which but I'm favoring the upper atmosphere turbulence. Of course, convection inside the OTA can't be discounted - I had only recently taken the telescope out into some cool air from a warm room. It's always wise to allow several hours for your equipment to temperature-normalize before doing any serious viewing or imaging.

And that's my hard-won tip of the day. :)

October 12, 2007

10/12/2007 - ANOTHER STAB AT URANUS

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Uranus, imaged from the St. Wiggles Observatory. Single shot, Canon EOS 20D at prime focus on a 12" Meade LX90.

October 07, 2007

10/07/2007 - OBSCURED BY CLOUDS

Yes, it's a great CD (Pink Floyd's "Obscured by Clouds") but it's not a picnic for the stargazer. After having what could best be called a wimpy summer, fall has gripped the Seattle area and refused to let go, squeezing tighter and tighter and sending more and more weather systems our way. This is that time of year when frustration can get the better of you - there's a clear sky (of half of one) so you rush to set up the telescope and by the time you get it aligned, the clouds have magically appeared and the night is shot.

Several times in the last week, I've walked outside to see stars shining brightly overhead. Once at about 10 p.m. on a work night and another at 4 a.m. the next day. I did set up the LX200 at 10 p.m. but as it was the first time I had ever set up the telescope, I got hung up on the procedure of setting it up and never had a chance to target anything. That said, I did peek through the ocular and was extremely impressed by the optical clarity. The stars were perfect pinpoints, contrasting brightly against the very black sky. Apparently, the light pollution filter is working.

The next morning the moon was shining brightly overhead. I haven't seen the moon in ages, probably since the August 28 lunar eclipse. Again, I was tempted to set up the telescope but I could tell that even though the moon was bright, seeing conditions were deteriorating quickly. Indeed, the sky was completely socked in by a thick layer of clouds by 5 a.m.

So meanwhile here we sit - you, me and a whole horde of other backyard astronomers, just waiting for the skies to clear. In the meantime, I'm working in the observatory to build shelving, organize and get the 12" LX90 GPS polar aligned. There is no open view to the north so it's got to be done manually. The next clear night (February???) will be spent drift aligning the LX90 ... my first astrophoto through the new LX200 will just have to wait. (March???)