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Michael Scherman

Dual Clusters near Antares

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Posts Made By: Joe Hoener

April 22, 2008 03:15 PM Forum: CCD Imaging and Processing/Deep Sky

StarShoot Support?

Posted By Joe Hoener
Hello all. I'm getting started with wide-field piggybacking with a first-generation Orion StarShoot color with old Pentax 35mm lens attached. I'd like to discuss methods with anyone experienced with this kind of setup, especially the StarShoot -- I'm having a hard time finding a starting point with focusing!

July 6, 2008 08:44 PM Forum: Beginning Astronomy?

Fork mount dec circle setting?

Posted By Joe Hoener
Hello! My C8's instruction manual tells me when polar aligning to first orient the OTA such that the dec circle setting is 90 degrees and the OTA is parallel to the forks. It seems to me that there's plenty of possibility for pointing errors during this procedure: the OTA may not be perfectly parallel to the forks, and the dec circle might be misaligned. Are these kinds of errors tuned out during drift alignment? Thanks!

July 6, 2008 10:04 PM Forum: Equipment Talk

Old Fastar lens collimation

Posted By Joe Hoener
I have an original Fastar lens assembly for my C8 that I'd love to use. But it's out of collimation and produces terrible coma, and there are no adjustment screws on this model. Does anyone know of a way to collimate this lens to overcome the coma? Thanks!

July 6, 2008 10:08 PM Forum: CCD Imaging and Processing/Deep Sky

Fastar lens collimation

Posted By Joe Hoener
Hello! I have an original model Fastar lens assembly that I'd love to use on my C8. But the collimation is off and it produces terrible coma, and there are no collimation screws on this model. Does anyone have ideas on how to collimate this lens? Thank!

July 18, 2008 03:26 PM Forum: Equipment Talk

Filter placement in imaging train

Posted By Joe Hoener
Hello. I've read about filters and their uses in several astrophotography books. But the books haven't discussed where in the imaging train the filters are typically placed, and the hardware used to mount them. I use an 8" SCT, a small refractor, a Canon DSLR, a Starlite Express MX5C, and an Orion Starshoot I. Can someone give me some clues? Thanks!

July 18, 2008 03:30 PM Forum: CCD Imaging and Processing/Deep Sky

Imaging train filter placement?

Posted By Joe Hoener
Hello. I've read about filters and their uses in several astrophotography books. But the books haven't said where in the imaging train the filters are typically placed, and the hardware used to mount them. I use an 8" SCT, a small refractor, a Canon DSLR, a Starlite Express MX5C, and an Orion Starshoot I. Can someone give me some clues? Thanks!

July 6, 2008 09:01 PM Forum: Digital SLR AstroPhotography

Sagittarius Starcloud - Lost in Space

Posted By Joe Hoener
Jim: What an amazing shot. I'm a beginner with a 350D, C8 and AT66, struggling with a steep learning curve. Your results with similar equipment gives me incentive to keep trying, even harder! Thanks.

July 6, 2008 09:11 PM Forum: Digital SLR AstroPhotography

Rho Ophiuchus

Posted By Joe Hoener
I rather prefer the subdued colors: I think they give the subject a more ethereal quality. I'm a beginner struggling to learn the ropes with a 350D, and your work is very inspiring. Thanks!

May 10, 2009 10:59 PM Forum: Digital SLR AstroPhotography

Need noobie help plz

Posted By Joe Hoener
Guy:

Good resources are Michael Covington's books Digital SLR Astrophotography and Astrophotography for the Amateur; and Jerry Lodriguss' astropix.com and his book(s).

Also check out the Canon_DSLR_Digital_Astro Yahoo forum.

Good luck.

Joe

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