Author Archives: bryan1ac

NGC 1333 Revisited

Here’s NGC 1333 in Perseus from the CalStar overflow party at Lake San Antonio.  The little red knots surrounding the blue reflection nebula (“Herbig–Haro” objects) are star forming regions which have earned the keen interest of astronomers.  You can find some … Continue reading

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The Helix Nebula

Often depicted in various ways as an “eye” in space, the Helix Nebula (NGC 7293) is definitely one of the more awesome planetary nebulae out there.  It’s a fantastic example of a star that has gone nova after it’s outer shell … Continue reading

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Cloak and Wizard

“Cloak and Wizard” LRGB was captured from my imaging site in the Siskyou volcanic wilderness under dark Bortle 2 skies. This is a few hours of LRGB with 12 minute subexposures with 3 hours (also 12 min subs) of Hydrogen-Alpha added from Frazier Park, … Continue reading

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Milky Way in the Southwest

A late-spring visit to the southwest provided the perfect opportunity to experience the amazingly-dark skies there. In this small town in southwest New Mexico, the skies were *very* dark. Bortle scale 2 dark.. to the point where the Milky Way … Continue reading

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Milky Way Over Saguaro National Park

A pano-stitch of 4 frames. Sony a7S ii Sony FE 35mm f/1.4 ZA set to f/4 13 second exposure ISO 12800 After a few days in New Mexico and Texas on business, I concluded my short trip to the southwest … Continue reading

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Gamma Cygni and NGC 6914

4 panel mosaic of the Sadr (Gamma Cygni) region including reflection nebula 6914 (to the right) Nebulosity around the constellation Cygnus is commonly imaged with narrowband filters which is especially good for isolating the hydrogen emission nebula. This image, however, is taken as broad … Continue reading

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IC5146 Cocoon Nebula Reprocess

Reprocessed some data from 2008. This image of the Cocoon was taken through a telescope and CCD camera that I helped develop, and it was one of those nights were everything was cooperating and the seeing was good.  I really … Continue reading

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Billions and Billions

  I revisited my image of the Coma Berenices galaxy cluster to see how far some of the background galaxies are. It’s been a fun datamining activity during the “processing season”. It’s amazing how far a medium-sized refractor can go … Continue reading

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Mt. Shasta Lenticular Clouds at Night

Captured August 30th from Little Mount Hoffman.  The night of August 29th-30th eventually clouded over.  But before it did, we were treated to some of Mount Shasta’s localized weather and lenticular clouds. Sony α7s ii and 35mm f/1.8 Zeiss. 10 … Continue reading

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NGC 1579 and Surrounding Dust Lanes

Here’s the first of my processed astrophotos from my Little Mount Hoffman imaging trip this year.  NGC 1579 is a faint, somewhat low contrast target, perfect for the excellent Bortle scale 2 darkness skies sitting over 7,300′ in elevation. NGC 1579 … Continue reading

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