Sharpless 140
SH2-140 is a nebula and open cluster in the northern constellation Cepheus. This rarely photographed area is the central highlight of a...
Barnard 174 in Cepheus
Barnard 174 is a dark nebula in the constellation Cepheus. Dark nebulae or "fog" as it is sometimes called are clouds of cool gas, at...
M20 - Trifid nebula
The Trifid nebula is a combination of bright emission, reflection, and dark nebula located in the constellation of Sagittarius. It is...
NGC 2903 in Leo
NGC 2903, is a barred spiral galaxy in Leo. It has a bright center, with very active star formation. Estimated distance is around 29...
SH-101 (Tulip nebula)
SH-101 is a faint emission nebula in the constellation Cygnus. It is also dubbed "Tulip nebula" because of its flower shape. It would...
AT12 RC modification and cleaning
It has already been two years since the Astrotech 12'' RC became the workhorse of Asteria observatory. It has already logged tens of...
Galaxies galore (Abell 1656 cluster in Coma Berenices)
Can you count all the galaxies? This field is just 25x15 arc minutes. Only a quarter of a degree across. Yet, not unlike the Hubble Deep...
NGC 7129 in Cepheus
NGC 7129 is an open cluster, but longer exposures will reveal the associated reflection nebula in the center. Dark nebula LBN 497 can...
NGC 7662 in Andromeda (Blue Snowball)
NGC 7662 is a planetary nebula in the constellation Andromeda. The exact distance from earth is not currently known. The most recent...
Abell 262 galaxy cluster in Andromeda
Continuing to image that part of the sky around Andromeda at the time, another image from my collection, Abell 262. The brightest member...
