Deep Sky / Long Exposure Photography

NGC 4725 and friends

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Here’s last night’s result. Not too bad. I really like NGC 4725. It’s one of those galaxies that I never hear about, but it’s very photogenic and has a really cute companion […]

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To "boxcar" or not to "boxcar"

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Doug (author of MaxIM DL) suggests shooting everything RAW Monochrome. This has never worked correctly for me, but whatever. IMPORTANT POINT: If (and only if) flats are shot in RAW Monochrome, then […]

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Re: Max is junk.

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Art Morton wrote: > You can process in AIP4WIN. I assume AIP eats FITS? I’ll check it out. > Yes it is true, that one shot cams are not Doug’s favorite. He […]

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Re: calibration stuff

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Art Morton wrote: > I have not seen an answer yet. Go read again. Doug himself answered. If they’d write a better manual (or scrape the user group for stuff that should […]

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calibration stuff

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Now that I have a lightbox, I am trying to get a “fully calibrated” image put together. But MaxIM is being persnickety about something and won’t apply the flats. I don’t know […]

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blue flats

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A, Remember when I tried to do some flats and it caused the image to go monochrome? straight out of the manual: “It should also be noted that flat-fielding one-shot color images […]

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Focuser

Re: focusmax + maxim 5.03 + binning

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Art Morton wrote: > > On Jan 31, 2009, at 12:04 PM, Jimbo S. Harris wrote: > >> Let me screw around with that and see if I can get MaxIm and […]

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Long Exposure Photography

Re: focusmax + maxim 5.03

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Art Morton wrote: > J, > > This is a 12 Bit system for color conversion so it has to use a Bayer > Matrix so the colors have to be > […]

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Focuser / Maintenance / Optics

Re: scope getting dialed in

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Art Morton wrote: > With a couple more moon nights you will have a perfectly calibrated G-11 I hope so; It really is a lot of new stuff to learn. Someday I’m […]

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binning = bad?

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A, I saw your post in MaxIM group about FM + Max + Nikon. The response was not worded as well as I’d like, but it sounded like the guy was saying […]

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Techniques

Polar Alignment Calculations

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Here’s a page that derives Polar Alignment Calculations. (update 5/2020: the original site is gone, so I found the text on Wayback and am inserting it below. This is by the original […]

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Gear / Observatory / Telescope

Special Guest Star takes the mount at Hilltop O

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The Astro Jedi needed somewhere to store his light sab—- I mean, bucket, and I was only too happy to accommodate him. I have decided that I need to come to a […]

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General / Maintenance / Observatory

Dome shutter is motorized again!

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I finally decided to bite the bullet and fix the shutter motor. Things went sideways last winter, and I’ve been opening the shutter manually (and tying it shut with rope, so we […]

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ATM

Trixie 2017 – tube mods

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I finally got around to cutting the MTA-UTA tubes to length; the only eyepiece that would come to focus with the focuser spacer in place is the Televue 55mm Plossl. If I […]

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