A 12.3-hour SHO narrowband image of SH2-140, the Hidden Nebula in Cepheus, captured with RGB stars and revealing the bright ionization front, dark LDN 1204 molecular cloud, and surrounding Lynds nebul...

Patrick Cosgrove from Honeoye Falls, New York Sharpless 2–140 is sometimes called the Hidden Nebula for the way it appears to be partially swallowed by the neighboring dark cloud LDN 1204, adjacent to...

YouTube video by Cosgrove's Cosmos

NGC 7008, the Fetus Nebula, captured in HOO narrowband with RGB stars using the SCA260 platform. A compact planetary nebula in Cygnus imaged over four July nights in 2026.

YouTube video by Cosgrove's Cosmos

Astro Contrast Enhancer (ACE) is a free PixInsight script that brings Texture, Clarity, Dehaze, protected local editing, star and background protection, and real-time preview to astrophotography image processing. Requires PixInsight 1.9.4.

YouTube video by Cosgrove's Cosmos

Explore how target light, sky glow, light pollution, filters, sensor response, and OSC Bayer sampling combine to shape the data captured by an astrophotography rig.

YouTube video by Cosgrove's Cosmos

YouTube video by Cosgrove's Cosmos

YouTube video by Cosgrove's Cosmos

A 12.6-hour LRGB image of the Leo Triplet galaxy group, including M65, M66, NGC 3628, nearby NGC 3593, and the faint tidal tail extending from NGC 3628. Captured from Whispering Skies Observatory with...

YouTube video by Cosgrove's Cosmos

LRGB astrophotography image of Messier 94, the Crocodile Eye Galaxy, a compact spiral galaxy in Canes Venatici about 16 million light-years away, captured from Whispering Skies Observatory with 12h 49...

n astrophotography project featuring Messier 104, the Sombrero Galaxy, captured over three nights with 11 hours of LRGB data using a Sharpstar SCA260 V2 and ZWO ASI2600MM-Pro from Whispering Skies Obs...

Use Astro Exposure Explorer to estimate astrophotography sub-exposure length with Planning Mode or measured Empirical Calibration. Explore operating range, saturation risk, workflow tradeoffs, and fil...

A first-light astrophotography project with the Astro-Physics 155mm Starfire EDFS featuring M81, M82, and NGC 3077, including target background, capture strategy, equipment, and final imaging results.

YouTube video by Cosgrove's Cosmos

Use this astrophotography system comparison tool to compare scopes, cameras, reducers, sampling, field of view, and imaging efficiency side by side.

My ASI2600MM-Pro developed a loud, vibrating fan after a blade failed. This post walks through the diagnosis, the original Sunon fan specs, replacement fan options, and practical ways to reduce vibrat...

YouTube video by Cosgrove's Cosmos

A detailed look at my upgrade from the Astro-Physics AP130 Starfire EDT to an AP155 observatory platform, including why I made the change, the mechanical challenges involved, and how the new system fi...

FRA400 Platform v3 wide-field rig update: upgraded to an ASI2600MM-Pro for a larger field of view and added the WandererCover V4-EC 125mm motorized cover with integrated Flat Light Source and dew heat...

A fast, beginner-safe path into stargazing: what’s up tonight, sky maps, weather checks, binocular tips, first telescope guidance, and trusted next steps.

A beginner astrophotography quickstart: tripod/tracker/EQ paths, ASIAIR vs PC control, capture basics, stacking, processing options, and first targets.

A 16×20 roll-off-roof astrophotographic observatory with four isolated steel piers, 100A power, SkyRoof/SkyAlert integration, and a practical workspace.

A practical overview of my four telescope platforms and why I run them: a deliberate ladder from wide-field context to small-galaxy reach, built around stable piers and a consistent APS-C mono workflo...

This is an Access Hub to my Massive Astronomy & Astrophotography Reference Library, with URL lists organized into the following categories: Astronomy Fundamentals, Observing & Sky Events, Targets/Cata...

YouTube video by Cosgrove's Cosmos

Whispering Skies Observatory update: how I designed and installed durable metal cabinets, laminate countertops, wall cabinets, under-cabinet lighting, and a reinforced 38-inch knee-hole work area alon...