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BoonHill.net

Imaging Album of Paul Goelz - ( WAS )

HB - 15K HB HB - 25K HB M42
The shots are all about 1 minute in duration, with 135mm f2.8, 500mm f8 and 2000mm f10 (8" LX200) lenses. All were tracked but not guided. I'll bring the prints to the next WAS gathering. Photos taken on un-hypered Fuji Super G 800 processed normally. Exposures ranged from 15 seconds to 120 seconds, with most of the good ones between 30 and 60 seconds. Unfortunately, the only scanner I have available here is an EzPhoto "SmartPage" 8 bit scanner that apparantly only saves in high compression JPEG format, and it seems to be a bit out of focus to boot. Therefore, the scanned images here are really a pale shadow of the actual prints.

Paul Goelz
Paul Goelz:
Saw it, imaged it, still not happy with image, but here it is. Still having trouble with showing tail and head detail.
Comet Hale Bopp ( 11K )
Paul Goelz:
Image taken 10:45 UTC, 12 March, 1997 Composite of two 15 second images 50mm f1.4 lens CWIP-S CCD camera Stationary camera, image shifted using "synthetic clock drive" feature North is to the 10:00 position due to camera orientation for synthetic clock drive Processed using CWIP software, SkyPro, and Picture Publisher (why can't someone put ALL the things I need in one affordable 16 bit program?)
Bottom line? I LIKE THIS COMET!!!!!!!
Paul Goelz Rochester Hills, MI pgoelz@eaglequest.com
Paul Goelz:
10:15 UTC, Feb. 24 30 second exposure 50mm f1.4 stationary camera, tracked with CWIP synthetic clock drive feature.
Here's a reprocessed version of my 24 FEbruary HB image. I'm not happy with it, but at least it shows a little more detail in the tail. After reading about gaussian filtering in the last CCD magazine, I wish SkyPro had that feature, since it is what is needed to bring out the gentle detail in the tail without burning out the head. So far, this is the best I could do with SkyPro. Unfortunately, their "transfer function" feature is only 8 bit (bummer in a 16 bit program, eh?), so you have to use it last, just before saving as a GIF, and it makes for a lot of trial and error to get the black/white levels right.
I have also rotated the image so that north is up.
The blip to the southwest is (I believe) blooming from the core, since the camera was oriented to put that direction straight down.
Paul Goelz:
Here's a new image of HB, hastily processed...... I'm on my way outa town for a couple days, but it was clear this morning so.....
10:15 UTC, Feb. 24 30 second exposure 50mm f1.4 stationary camera, tracked with CWIP synthetic clock drive feature.
Paul Goelz:
Comet Hale-Bopp, February 20, 11:15 UTC 40 second exposure, CWIP-S uncooled CCD camera. 25mm f1.8 lens Camera stationary, image shifted 1 pixel/10 seconds using CWIP "synthetic clock drive" feature. Top/bottom brightness gradient is a combination of impending sunrise and light pollution from a sodium vapor lamp just out of the frame to the lower right. Exposure made from my "Stratford Observatory" (aka the second floor bedroom window).
Paul Goelz:
Comet Hale-Bopp: 1 second exposure, CWIP-S CCD camera, 25mm f1.8 lens, with incidental illumination from the astronomer's nemesis, the HP sodium lamp.
Paul Goelz:
The Hayakutake image was exposed on March 27, 1996, at 02:52 UTC, from my back yard in Evanston, IL. It covers about 5 degrees, and was made with my CWIP-S uncooled CCD camera. Exposure was 50 seconds, and the lens was a 25mm f1.2.