Iris Nebula, photo by James Canning

This Iris image's apparent mottling is due to the hydrogen haze around it. You can make out a faint reddish color, especially close to the nebula. This red color was somewhat reduced by the LP filter I used, which is a kind of turquoise shade, it's an Astronomic LF3-V4. But the filter was absolutely necessary. SkyWatcher 120mm Esprit, PHD2, 165mm guide scope with PHD2. 137 dithered subs of 70 seconds each, also darks, flats and darkflats. Captured with Nina (Nighttime Imaging 'N' Astronomy), processed in Deep Sky Stacker 64 bit and PixInsight.

Dan Kuchta - IC 342 Hidden Galaxy

James Canning - M33

M51, Gary Opitz

I imaged with my 5.5 inch refractor at prime focus f/7 with my ZWO 1600 mono camera. The luminosity component consists of 194 sub-exposures of 90 seconds each from three separate nights. The color component consists of 40 green, 49 red, and 64 blue filter sub-exposures of 120 seconds each shot over four nights.

Star Trails Over Big Dome - Bill Rodgers

The January, 2020 meeting will be at RIT, Carlson 1125, Friday Jan 3.

Note: the Board of Director Meetings will be moved to the WEDNESDAY following the General meeting! This is a permanent change from Mondays. First meeting is December 11, 7-9 pm, B&L 4th Floor Chart Room.

Please click on the Calendar of events for a complete list of our upcoming events.

Check out monthly sky reporter Dee Sharples wonderful article about her experience being a member in the Owl Light News :
Owl Light News ASRAS Article
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