AstroGuide:Portfolio Chris Hollander’s Astrophotography

Research

Questions worth looking at twice.

Visual studies, controlled experiments, and survey datasets that can grow as new observations arrive.

8 research projects
A compact nested sky map moving from an expansive Andromeda, Perseus, and Cassiopeia panorama into Local Group galaxies, emission nebulae, reflection nebulae, and stellar nurseries. Experimental

Regional survey · dust, star formation, and Local Group galaxies

Andromeda, Perseus, and Cassiopeia survey

Cross a vast Milky Way-mode panorama from the Andromeda system through Perseus and Cassiopeia, connecting nearby clusters, dark clouds, stellar nurseries, and neighboring galaxies.
16 linked images · 3 nested levels
A telescope market scatter plot of aperture and focal length Active

Equipment research

The backyard telescope market

An interactive map of aperture, focal length, and focal ratio across amateur telescopes, with verified retail pricing coming soon.
716 telescopes · interactive comparison
The completed M27 field, processed to reveal the planetary nebula's faint outer shell. Completed

Processing experiment

A Step Too Far? AI Upscaling M27

A controlled comparison of native-scale data, conventional Lanczos-4 enlargement, and AI-assisted super-resolution applied to the same M27 observation.
Native · Superres · Lanczos-4
A compact nested scale map flowing from a wide Cygnus and Vulpecula Milky Way field into nebulae, clusters, and a distant galaxy. Experimental

Regional survey · nested sky scales

Cygnus and Vulpecula survey

Cross the northern Milky Way from Cygnus down into Vulpecula, explore stellar nurseries, supernova debris, planetary nebulae, clusters, and a background galaxy.
14 linked images · 3 nested levels
A compact nested scale map flowing from the wide Cepheus and Cygnus Milky Way field into individual nebula regions. Experimental

Regional survey · nested sky scales

Cepheus and Cygnus survey

Trace the northern Milky Way into ionized nebulae, dark molecular clouds, young clusters, and wind-blown structures across Cepheus and Cygnus.
8 linked images · 3 nested levels
A compact nested scale map flowing from the wide Sagittarius Milky Way field into the Lagoon, Trifid, Eagle, and Swan regions. Experimental

Regional survey · nested sky scales

Sagittarius survey

Follow the Milky Way's bright Sagittarius star clouds into linked stellar nurseries around the Lagoon, Trifid, Eagle, and Swan nebulae.
7 linked images · 5 nested levels
Active

Survey research · field of view

Custom Rig FOV Survey

Compare how field of view and accepted integration change the presentation of the same deep-sky subjects across the S30 Pro, F30, and S50 imaging rigs.
15 observations · 3 dimensions
A backyard telescope observing beneath the night sky Ongoing

Community research

Seestar stability and dropped frames

A community study of whether target geometry, tracking drift, capture settings, observation age, and local conditions help explain dropped frames.